Professor
Department of Computer Science
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email: ravin at dgp.toronto.edu voice: (416) 946-3448 |
postal mail & courier address: Ravin Balakrishnan Department of Computer Science University of Toronto Tel (for courier): 416 978-6025 |
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143. |
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Di Chen, Dustin Freeman, Ravin Balakrishnan. (2019). Integrating Multimedia Tools to Enrich Interactions in Live Streaming for Language Learning. Proceedings of CHI 2019 – the ACM Conference on Human Factors in Computing Systems. |
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142. |
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Aakar Gupta, Jiushan Yang, Ravin Balakrishnan. (2018). Asterisk and Obelisk: Motion Codes for Passive Tagging. Proceedings of UIST 2018 – the ACM Symposium on User Interface Software and Technology. |
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141. |
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Teng Han, Jiannan Li, Khalad Hasan, Keisuke Nakamura, Randy Gomez, Ravin Balakrishnan, Pourang Irani. (2018). PageFlip: Leveraging page-flipping gestures for efficient command and value selection on smartwatches. Proceedings of CHI 2018 – the ACM Conference on Human Factors in Computing Systems. |
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140. |
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Aakar Gupta, Antony Irudayaraj, Ravin Balakrishnan. (2017). HapticClench: Investigating squeeze sensations using memory alloys. Proceedings of UIST 2017 – the ACM Symposium on User Interface Software and Technology. |
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139. |
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Aakar Gupta, Thomas Pietrzak, Cleon Yau, Nicolas Roussel, Ravin Balakrishnan. (2017). Summon and Select: Rapid interaction with interface controls in mid-air. Proceedings of ISS 2017 – the ACM Conference on Interactive Surfaces and Spaces. |
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138. |
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Rorik Henrikson, Bruno De Araujo, Fanny Chevalier, Karan Singh, Ravin Balakrishnan. (2016). Multi-device storyboards for cinematic narratives in VR. Proceedings of UIST 2016 – the ACM Symposium on User Interface Software and Technology. |
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137. |
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Aakar Gupta, Antony Irudayaraj, Vimal Chandran, Goutham Palaniappan, Khai Truong, Ravin Balakrishnan. (2016). Haptic learning of freehand semaphoric gesture shortcuts. Proceedings of UIST 2016 – the ACM Symposium on User Interface Software and Technology. |
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136. |
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Aakar Gupta, Muhammed Anwar, Ravin Balakrishnan. (2016). Porous interfaces for small screen multitasking using finger identification. Proceedings of UIST 2016 – the ACM Symposium on User Interface Software and Technology. |
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135. |
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Dustin Freeman, Ravin Balakrishnan. (2016). Improv Remix: Mixed-reality video manipulation using whole-body interaction to extend improvised theatre. Proceedings of DIS 2016 – The ACM Conference on Designing Interactive Systems. |
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134. |
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Rorik Henrikson, Bruno De Araujo, Fanny Chevalier, Karan Singh, Ravin Balakrishnan. (2016. Storeoboard: Sketching stereoscopic storyboards. Proceedings of CHI 2016 – the ACM Conference on Human Factors in Computing Systems. p. 4587–4598. |
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133. |
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Aakar Gupta, Ravin Balakrishnan. (2016). DualKey: Miniature screen text entry via finger
manipulation. Proceedings of CHI 2016 –
the ACM Conference on Human Factors in Computing Systems. p. 59-70. CHI 2016 Best Paper Honorable Mention Award |
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132. |
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Aakar Gupta, Thomas Pietrzak, Nicolas Roussel,
Ravin Balakrishnan. (2016). Direct manipulation in tactile displays. Proceedings of CHI 2016 – the ACM
Conference on Human Factors in Computing Systems. p. 3683–3693. CHI 2016 Best Paper
Honorable Mention Award |
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131. |
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Jian Zhao, R. William Soukoreff, Ravin Balakrishnan. (2015). Exploring and modeling unimanual object manipulation on multi-touch displays. IJHCS: International Journal of Human-Computer Studies, 78(0). p. 68-80. |
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130. |
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Jian Zhao, R. William Soukoreff, Xiangshi Ren, Ravin Balakrishnan. (2014). A model of scrolling on touch-sensitive displays. IJHCS: International Journal of Human-Computer Studies, 72(12). p. 805-821 |
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129. |
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Dustin Freeman, Stephanie Santosa, Fanny Chevalier, Ravin Balakrishnan, Karan Singh. (2013). LACES: Live authoring through compositing and editing of streaming video. Proceedings of CHI 2014 – the ACM Conference on Human Factors in Computing Systems. p. 1207-1216. |
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128. |
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Jian Zhao, Daniel Wigdor, Ravin Balakrishnan. (2013). TrailMap: Facilitating information seeking in a multi-scale digital map via implicit bookmarking. Proceedings of CHI 2013 – the ACM Conference on Human Factors in Computing Systems. p. 3009-3018. |
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127. |
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Sajad Shirali-Shahreza, Gerald Penn, Ravin Balakrishnan, Yashar Ganjali. (2013). SeeSay and HearSay CAPTCHAs for mobile interaction. Proceedings of CHI 2013 – the ACM Conference on Human Factors in Computing Systems. p. 2147-2156. |
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126. |
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Stephanie Santosa, Fanny
Chevalier, Ravin Balakrishnan, Karan Singh. (2013). Direct space-time
trajectory control for visual media editing. Proceedings of CHI 2013 – the ACM Conference on Human Factors in
Computing Systems. p. 1149-1158. CHI 2013 Best Paper Honorable Mention Award |
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125. |
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Jian Zhao, Christopher Collins, Fanny Chevalier, Ravin Balakrishnan. (2013). Interactive exploration of implicit and explicit relations in faceted datasets. IEEE Transactions on Visualization and Computer Graphics (Proceedings of VAST 2013). p. 2080-2089. |
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124. |
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Xiaojun Bi, Seok-Hyung Bae, Ravin Balakrishnan. (2013). WallTop: Managing overflowing windows on a large display. Human-Computer Interaction, 29(2). p. 153-203. |
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123. |
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Chun Yu, Ravin Balakrishnan, Ken Hinckley, Tomer Moscovich, Yuanchun Shi. (2013). Implicit bookmarking: Improving support for revisitation in within-document reading tasks. International Journal of Human Computer Studies, 71(3). p. 303-320. |
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122. |
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Mohit Jain, Ravin Balakrishnan. (2012). User learning and performance with bezel menus. Proceedings of CHI 2012 – the ACM Conference on Human Factors in Computing Systems. p. 2221-2230. |
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121. |
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Aakar Gupta, William Thies, Edward Cutrell, Ravin Balakrishnan. (2012). mClerk: Enabling mobile crowdsourcing in developing regions. Proceedings of CHI 2012 – the ACM Conference on Human Factors in Computing Systems. p. 1843-1852. |
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120. |
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Navkar Samdaria, Akhil Mathur, Ravin Balakrishnan. (2012). Paying in kind for crowdsourced work in developing regions. Proceedings of the Pervasive 2012 Conference. p. 343-360. |
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119. |
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Jian Zhao, Fanny Chevalier, Christopher Collins, Ravin Balakrishnan. (2012). Facilitating discourse analysis with interactive visualization. IEEE Transactions on Visualization and Computer Graphics. 18(12). p. 2639-2648. |
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118. |
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Dustin Freeman, Ravin Balakrishnan. (2011). Tangible actions. Proceedings of ITS 2011 – the ACM International Conference on Interactive Tabletops and Surface. p. 87-96. |
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117. |
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Yannick Thiel, Karan Singh, Ravin Balakrishnan. (2011). Elasticurves: Exploiting stroke dynamics and inertia for the real-time neatening of sketched 2D curves. Proceedings of UIST 2011 – the ACM Symposium on User Interface Software and Technology. p. 383-392. |
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116. |
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Jian Zhao, Fanny Chevalier, Emmanuel Pietriga, Ravin Balakrishnan. (2011). Exploratory analysis of time-series with ChronoLenses. IEEE Transactions on Visualization and Computer Graphics, 17(12). p. 2422-2431. |
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115. |
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Sajad Shirali-Shahreza, Yashar Ganjali, Ravin Balakrishnan. (2011). Verifying human users in speech-based interactions. Proceedings of the Annual Conference of the International Speech Communication Association (INTERSPEECH). p. 1585-1588. |
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114. |
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Akhil Mathur, Divya Ramachandran, Ed Cutrell, Ravin Balakrishnan. (2011). An exploratory study on the use of camera phones and pico projectors in rural India. Proceedings of MobileHCI 2011. p. 347-356. |
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113. |
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Mohit Jain, Jeremy Birnholtz, Ed Cutrell, Ravin Balakrishnan. (2011). Exploring display techniques for mobile collaborative learning in developing regions. Proceedings of MobileHCI 2011. p. 81-90. |
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112. |
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Jian Zhao, Fanny Chevalier, Ravin Balakrishnan. (2011). KronoMiner: Using multi-foci navigation for the visual exploration of time-series data. Proceedings of CHI 2011 – the ACM Conference on Human Factors in Computing Systems. p. 1737-1746. |
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111. |
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Chun Yu, Yuanchun Shi, Ravin Balakrishnan, Xiangliang Meng, Yue Suo, Mingming Fan, Yongqiang Qin. (2010). The satellite cursor: achieving MAGIC pointing without gaze tracking using multiple cursors. Proceedings of UIST 2010 – the ACM Symposium on User Interface Software and Technology. p. 163-172. |
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110. |
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Daniel
Vogel, Ravin Balakrishnan. (2010). Direct pen interaction with a
conventional graphical user interface. Human-Computer Interaction.
1532-7051, Volume 25, Issue 4. p.
324 – 388. |
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109. |
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Jeremy
Birnholtz, Abhishek Ranjan, Ravin Balakrishnan.
(2010). Providing dynamic
visual information for collaborative tasks: Experiments with automatic camera
control. Human-Computer Interaction. 1532-7051, Volume 25, Issue
3. p. 261 – 287. |
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108. |
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James
Scott, Shahram Izadi, Leila Rezai, Dominika Ruszkowski, Xiaojun Bi, Ravin Balakrishnan. (2010). RearType:
Text entry using keys on the back of a device. Proceedings of MobileHCI. p.
171-179. |
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107. |
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Abhishek
Ranjan, Jeremy Birnholtz, Rorik
Henrikson, Ravin Balakrishnan, Dana Lee. (2010). Automatic camera control using
unobtrusive vision and audio tracking. Proceedings of GI 2010 – the
Graphics Interface Conference. p.
47-54. |
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106. |
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Daniel
Vogel, Ravin Balakrishnan. (2010). Occlusion-aware interfaces.
Proceedings of CHI 2010 – the ACM Conference on Human Factors in Computing
Systems. p. 263-272. CHI 2010 Best Paper Award |
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105. |
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Patrick
Dubroy, Ravin Balakrishnan. (2010). A study of tabbed browsing among
Mozilla Firefox users. Proceedings of CHI 2010 – the ACM Conference on
Human Factors in Computing Systems. p. 673-682. |
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104. |
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Xiaojun
Bi, Seok-Hyung Bae, Ravin Balakrishnan. (2010). Effects of interior bezels of tiled-monitor
large displays on visual search, tunnel steering, and target selection. Proceedings
of CHI 2010 – the ACM Conference on Human Factors in Computing Systems.
p. 65-74. |
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103. |
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Jennifer
Keelan, Vera Pavri, Ravin Balakrishnan, Kumanan Wilson. (2010). An analysis of the Human Papilloma Virus
vaccine debate on MySpace blogs. Vaccine,
28(6). p. 1535-1540 |
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102. |
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Saleema Amershi, Meredith Ringel Morris, Neema Moraveji, Ravin Balakrishnan, Kentaro Toyama. (2010). Multiple mouse text entry for single-display groupware. Proceedings of CSCW 2010 – the ACM Conference on Computer Supported Cooperative Work. p. 169-178. CSCW 2010 Best Paper Honorable Mention Award |
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101. |
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Seok-Hyung
Bae, Ravin Balakrishnan, Karan Singh. (2009). EverybodyLovesSketch:
3D sketching for a broader audience. Proceedings of UIST 2009 – the
ACM Symposium on User Interface Software and Technology. p. 59-68. |
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100. |
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Scott
Saponas, Desney Tan, Dan Morris,
Ravin Balakrishnan, Jim Turner, James Landay. (2009). Enabling always-available input with
muscle-computer interfaces. Proceedings of UIST 2009 – the ACM
Symposium on User Interface Software and Technology. p. 167-176. |
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99. |
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Gerry
Chu, Tomer Moscovich, Ravin Balakrishnan (2009). Haptic conviction widgets.
Proceedings of GI 2009 -- the Graphics Interface Conference. p.
207-210. |
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98. |
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Gursharan Singh, Leah Findlater, Kentaro Toyama, Scott Helmer, Rikin
Gandhi, Ravin Balakrishnan. Numeric
paper forms for NGOs. (2009). Proceedings of ICTD 2009 – the
IEEE/ACM International Conference on Information and Communication
Technologies and Development. p. 406-416. |
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97. |
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Gerry
Chu, Sambit Satpathy, Kentaro Toyama, Rikin Gandhi,
Ravin Balakrishnan. (2009). Featherweight multimedia
for information dissemination. Proceedings of ICTD 2009 – the
IEEE/ACM International Conference on Information and Communication
Technologies and Development. p. 337-347. |
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96. |
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Daniel
Vogel, Matthew Cudmore, Gery Casiez, Ravin
Balakrishnan, Liam Keliher. (2009). Hand occlusion with tablet-sized direct
pen input. Proceedings of CHI 2009 – the ACM Conference on Human
Factors in Computing Systems. p. 557-566. |
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95. |
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Xiaojun
Bi, Ravin Balakrishnan. (2009). Comparing
usage of a large high-resolution display to single or dual desktop displays
for daily work. Proceedings of CHI 2009 – the ACM Conference on Human
Factors in Computing Systems. p. 1005-1014. |
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94. |
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Clifton Forlines, Ravin Balakrishnan. (2009). Improving visual search with image segmentation. Proceedings of CHI 2009 – the ACM Conference on Human Factors in Computing Systems. p. 1093-1102. CHI 2009 Best Paper Nominee |
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93. |
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Leah
Findlater, Ravin Balakrishnan, Kentaro
Toyama. (2009). Comparing semiliterate and
illiterate users' ability to transition from audio+text
to text-only interaction. Proceedings of CHI 2009 – the ACM Conference
on Human Factors in Computing Systems. p. 1751-1760. |
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92. |
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Ken Hinckley, Morgan Dixon, Raman Sarin, Francois Guimbretiere, Ravin Balakrishnan. (2009). Codex: A dual screen computer. Proceedings of CHI 2009 – the ACM Conference on Human Factors in Computing Systems. p. 1933-1942. |
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91. |
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Neema
Moraveji, Kori Inkpen, Ed Cutrell,
Ravin Balakrishnan. (2009). A mischief
of mice: Examining children’s performance in single display groupware systems
with 1 to 32 mice. Proceedings of CHI 2009 – the ACM Conference on
Human Factors in Computing Systems. p. 2157-2166. |
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90. |
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Xiang
Cao, Michael Massimi, Ravin Balakrishnan. (2008). Flashlight Jigsaw: An exploratory
study of an ad-hoc multi-player game on public displays. To appear in the
Proceedings of CSCW 2008 – the ACM Conference on Computer Supported
Cooperative Work. p. 77-86 |
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89. |
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Hrvoje Benko, Andrew Wilson, Ravin Balakrishnan. (2008). Sphere: Multi-touch interactions on a
spherical display. Proceedings of UIST 2008 – the ACM Symposium on
User Interface Software and Technology. p. 77-86. |
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88. |
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Xiaojun
Bi, Tomer Moscovich, Gonzalo Ramos, Ravin
Balakrishnan, Ken Hinckley. (2008). An
exploration of pen rolling for pen-based interaction. Proceedings of
UIST 2008 – the ACM Symposium on User Interface Software and Technology.
p. 191-200. |
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87. |
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Seok-Hyung
Bae, Ravin Balakrishnan, Karan Singh. (2008). ILoveSketch:
As-natural-as-possible sketching system for creating 3D curve models. Proceedings
of UIST 2008 – the ACM Symposium on User Interface Software and Technology.
p. 151-160. |
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86. |
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Xiang
Cao, Andrew Wilson, Ravin Balakrishnan, Ken Hinckley, Scott E. Hudson.
(2008). ShapeTouch:
Leveraging contact shape on interactive surfaces. Proceedings of
TABLETOP 2008 – the IEEE International Workshop on Horizontal Interactive
Human Computer Systems. p. 139-146. |
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85. |
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Archana Prasad, Indrani Medhi, Kentaro Toyama, Ravin
Balakrishnan. (2008). Exploring the
feasibility of video mail for illiterate users. Proceedings of AVI 2008 -
the Conference on Advanced Visual Interfaces. p. 103-110. |
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84. |
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Ryan Schmidt, Karan Singh, Ravin Balakrishnan. (2008). Sketching and composing
widgets for 3D manipulation. Computer Graphics Forum, 27(2) --
Proceedings of Eurographics Conference. p.
301-310. |
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83. |
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Scott Saponas, Desney Tan, Dan Morris, Ravin Balakrishnan. (2008). Demonstrating the feasibility of using forearm
electromyography for muscle-computer interfaces. Proceedings of CHI 2008 –
the ACM Conference on Human Factors in Computing Systems. p. 515-524. |
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82. |
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Xiang Cao, Jacky Jie Li, Ravin Balakrishnan. (2008). Peephole pointing: Modeling acquisition of dynamically revealed targets. Proceedings of CHI 2008 – the ACM Conference on Human Factors in Computing Systems. p. 1699-1708. CHI 2008 Best Paper Nominee |
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81. |
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Tovi Grossman, Ravin Balakrishnan. (2008). Collaborative interaction with volumetric displays. Proceedings of CHI 2008 – the ACM Conference on Human Factors in Computing Systems. p. 383-392. |
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80. |
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Clifton Forlines, Ravin Balakrishnan. (2008). Evaluating tactile feedback and
direct vs. indirect stylus input in pointing and crossing selection tasks.
Proceedings
of CHI 2008 – the ACM Conference on Human Factors in Computing Systems. p. 1563-1572. |
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79. |
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Abhishek Ranjan, Jeremy Birnholtz, Ravin Balakrishnan. (2008). Improving meeting capture by applying television production principles with audio and motion detection. Proceedings of CHI 2008 – the ACM Conference on Human Factors in Computing Systems. p. 227-238. |
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78. |
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Pierre Dragicevic, Gonzalo Ramos, Jacobo Bibliowicz, Derek Nowrouzezahrai, Ravin Balakrishnan, Karan Singh. (2008). Video browsing by direct manipulation. Proceedings of CHI 2008 – the ACM Conference on Human Factors in Computing Systems. p. 237-246. |
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77. |
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Géry Casiez,
Daniel Vogel, Ravin Balakrishnan, Andy Cockburn. (2008). The impact of control-display gain on user
performance in pointing tasks. Human Computer Interaction, 23(3). p.
215-250. |
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76. |
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Xiang
Cao, Clifton Forlines, Ravin Balakrishnan. (2007). Multi-user interaction
using handheld projectors. Proceedings of UIST 2007 – the ACM
Symposium on User Interface Software and Technology. p. 43-52. |
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75. |
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Shengdong Zhao, Pierre Dragicevic, Mark Chignell, Ravin Balakrishnan, Patrick Baudisch. (2007). earPod: Eyes-free menu selection using touch input and reactive audio feedback. Proceedings of CHI 2007 – the ACM Conference on Human Factors in Computing Systems. p. 1395-1404. Selected press coverage (local cache): MIT Technology Review, May 2007. |
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74. |
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Clifton
Forlines, Chia Shen, Daniel Wigdor, Ravin Balakrishnan. (2007). Direct-touch vs. mouse input for
tabletop displays. Proceedings of CHI 2007 – the ACM Conference on
Human Factors in Computing Systems. p. 647-656. |
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73. |
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Gonzalo Ramos, Ravin Balakrishnan. (2007). Pressure marks. Proceedings of CHI 2007 – the ACM Conference on Human Factors in Computing Systems. p. 1375-1384. |
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72. |
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Gonzalo Ramos, Andy Cockburn, Ravin Balakrishnan, Michel Beaudoiun-Lafon. (2007). Pointing lenses: facilitating stylus input through visual-and motor-space magnification. Proceedings of CHI 2007 – the ACM Conference on Human Factors in Computing Systems. p. 757-766. |
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71. |
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Abhishek
Ranjan, Jeremy Birnholtz, Ravin Balakrishnan.
(2007). Dynamic shared visual
spaces: Experimenting with automatic camera control in a remote repair task.
Proceedings of CHI 2007 – the ACM Conference on Human Factors in Computing
Systems. p. 1177-1186. |
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70. |
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Daniel
Wigdor, Chia Shen, Clifton Forlines, Ravin Balakrishnan. (2007). Perception of elementary
graphical elements in tabletop and multi-surface environments. Proceedings
of CHI 2007 – the ACM Conference on Human Factors in Computing Systems. p.
473-482. |
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69. |
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Jeremy
Birnholtz, Tovi Grossman, Clarissa Mak, Ravin
Balakrishnan. (2007). An
exploratory study of input configuration and group process in a negotiation
task using a large display. Proceedings of CHI 2007 – the ACM
Conference on Human Factors in Computing Systems. p. 91-100 |
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68. |
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Tovi
Grossman, Nicholas Kong, Ravin Balakrishnan. (2007). Modeling pointing at targets of
arbitrary shapes. Proceedings of CHI 2007 – the ACM Conference on
Human Factors in Computing Systems. p. 463-472. |
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67. |
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Tovi
Grossman, Daniel Wigdor, Ravin Balakrishnan. (2007). Exploring and reducing
the effects of orientation on text readability in volumetric displays. Proceedings
of CHI 2007 – the ACM Conference on Human Factors in Computing Systems. p.
483-492. |
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66. |
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Tovi
Grossman, Pierre Dragicevic, Ravin Balakrishnan. (2007). Strategies for accelerating on-line
learning of hotkeys. Proceedings of CHI 2007 – the ACM Conference on
Human Factors in Computing Systems. p. 1591-1600. |
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65. |
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Jia
Sheng, Ravin Balakrishnan, Karan Singh. (2006). An interface for 3D sculpting
via physical proxy. Proceedings of GRAPHITE 2006 – International
Conference on Computer Graphics and Interactive Techniques in Australasia and
Southeast Asia. p. 213-220. |
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64. |
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Abhishek
Ranjan, Jeremy Birnholtz, Ravin Balakrishnan.
(2006). An exploratory analysis
of partner action and camera control in a video-mediated collaborative task.
Proceedings of CSCW 2006 – the ACM Conference on Computer Supported Cooperative
Work. p. 403-412. CSCW 2006 Best Paper Honorable Mention Award |
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63. |
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Clifton
Forlines, Chia Shen, Daniel Wigdor, Ravin Balakrishnan. (2006). Exploring the effects of group size
and display configuration on visual search. Proceedings of CSCW 2006 –
the ACM Conference on Computer Supported Cooperative Work. p. 11-20. |
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62. |
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Xiang
Cao, Ravin Balakrishnan. (2006). Interacting with dynamically
defined information spaces using a handheld projector and a pen. Proceedings
of UIST 2006 – the ACM Symposium on User Interface Software and Technology.
p. 225-234. |
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61. |
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Daniel
Wigdor, Darren Leigh, Clifton Forlines, Samuel Shipman, John Barnwell, Ravin
Balakrishnan, Chia Shen. (2006). Under
the table interaction. Proceedings of UIST 2006 – the ACM Symposium on
User Interface Software and Technology. p. 259-268 |
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60. |
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Anastasia Bezerianos, Pierre Dragicevic, Ravin Balakrishnan. (2006). Mnemonic rendering: An image-based approach for exposing hidden changes in dynamic displays. Proceedings of UIST 2006 – the ACM Symposium on User Interface Software and Technology. p. 159-168. UIST 2006 Best Student Paper Award One of 3 papers invited to a UIST reprise session at ACM SIGGRAPH 2007 |
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59. |
|
Tovi
Grossman, Ravin Balakrishnan. (2006). The design and evaluation of
selection techniques for 3d volumetric displays. Proceedings of UIST
2006 – the ACM Symposium on User Interface Software and Technology. p.
3-12. |
|
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|
|
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58. |
|
Clifton
Forlines, Daniel Vogel, Ravin Balakrishnan. (2006). HybridPointing:
Fluid switching between absolute and relative pointing with a direct input
device. Proceedings of UIST 2006 – the ACM Symposium on User Interface
Software and Technology. p. 211-220. |
|
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57. |
|
Tovi
Grossman, Ravin Balakrishnan. (2006). An evaluation of depth
perception on volumetric displays. Proceedings of AVI 2006 - the
Conference on Advanced Visual Interfaces. p. 193-200. |
|
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|
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56. |
|
Daniel Wigdor, Chia Shen, Clifton Forlines, Ravin Balakrishnan. (2006). Table-centric interactive spaces for real-time collaboration. Proceedings of AVI 2006 – the Conference on Advanced Visual Interfaces. p. 103-107. |
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55. |
|
Anand Agarawala, Ravin Balakrishnan. (2006). Keepin' it real: Pushing
the desktop metaphor with physics, piles and the pen. Proceedings of
CHI 2006 - the ACM Conference on Human Factors in Computing Systems. p.
1283-1292. video. This was the most viewed science & technology video on YouTube, ever (with over 3.3M views as of May 2009). 20 second "CHI Madness" hip-hop summary video Selected press coverage (local cache): CBC, June 2006, Digital Image Fest, June 2006 (video) Anand's TED Talk This work is was productized as BumpTop. The company was acquired by Google in 2010. |
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54. |
|
Daniel
Wigdor, Chia Shen, Clifton Forlines, Ravin Balakrishnan. (2006). Effects of display position and
control space orientation on user preference and performance. Proceedings
of CHI 2006 - the ACM Conference on Human Factors in Computing Systems. p.
309-318. |
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53. |
|
Tovi Grossman, Ken Hinckley, Patrick Baudisch, Maneesh Agrawala, Ravin Balakrishnan. (2006). Hover widgets: Using the tracking state to extend the capabilities of pen-operated devices. Proceedings of CHI 2006 - the ACM Conference on Human Factors in Computing Systems. p. 861-870. |
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52. |
|
Abhishek
Ranjan, Ravin Balakrishnan, Mark Chignell. (2006). Searching in audio: The utility of
transcripts, dichotic presentation, and time-compression. Proceedings
of CHI 2006 - the ACM Conference on Human Factors in Computing Systems. p.
721-730. |
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51. |
|
Michael Wu, Chia Shen, Kathy Ryall, Clifton Forlines, Ravin Balakrishnan. (2006). Gesture registration, relaxation, and reuse for multi-point direct-touch surfaces. Proceedings of TableTop 2006 - the IEEE International Workshop on Horizontal Interactive Human Computer Systems. p. 183.190. |
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50. |
|
Daniel
Vogel, Ravin Balakrishnan. (2005). Distant freehand pointing and
clicking on very large high resolution displays. Proceedings of UIST
2005 - the ACM Symposium on User Interface Software and Technology. p.
33-42. |
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49. |
|
Shahzad
Malik, Abhishek Ranjan, Ravin Balakrishnan. (2005). Interacting with large displays from a
distance with vision-tracked multi-finger gestural input. Proceedings
of UIST 2005 - the ACM Symposium on User Interface Software and Technology. p.
43-52. One of 3 papers invited
to a UIST reprise session at ACM SIGGRAPH 2006 |
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48. |
|
Gonzalo
Ramos, Ravin Balakrishnan. (2005). Zliding: Fluid zooming and sliding for high precision
parameter manipulation. Proceedings of UIST 2005 - the ACM Symposium
on User Interface Software and Technology. p. 143-152. |
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47. |
|
Clifton
Forlines, Ravin Balakrishnan, Paul Beardsley, Jeroen van Baar,
Ramesh Raskar. (2005). Zoom-and-Pick: Facilitating visual
zooming and precision pointing with interactive handheld projectors. Proceedings
of UIST 2005 - the ACM Symposium on User Interface Software and Technology. p.
73-82. |
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46. |
|
Michael
McGuffin, Ravin Balakrishnan. (2005). Interactive visualization of
genealogical graphs. Proceedings of InfoVis
2005 – the IEEE Symposium on Information Visualization. p. 17-24. |
|
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45. |
|
Theophanis Tsandilas, Ravin Balakrishnan.
(2005). An evaluation of techniques for
reducing spatial interference in single display groupware. Proceedings
of ECSCW 2005 - the European Conference on Computer Supported Cooperative
Work. p. 221-240. |
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44. |
|
Daniel
Wigdor, Ravin Balakrishnan. (2005). Empirical investigation into the effect
of orientation on text readability in tabletop displays. Proceedings
of ECSCW 2005 - the European Conference on Computer Supported Cooperative
Work. p. 205-224. |
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43. |
|
Anastasia
Bezerianos, Ravin Balakrishan.
(2005). Canvas Portals: View
and space management on large displays. IEEE Computer Graphics and
Applications, 25(4). p. 34-43 |
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42. |
|
Michael
McGuffin, Ravin Balakrishnan. (2005). Fitts'
law and expanding targets: Experimental studies and designs for user
interfaces. ACM Transactions on Computer-Human Interaction, 12(4).
p. 388-422. |
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41. |
|
Xiang Cao, Ravin Balakrishnan. (2005). Evaluation of an online adaptive gesture interface with command prediction. Proceedings of GI 2005 – the Graphics Interface Conference. p. 187-194. GI 2005 Best Student Paper Award |
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40. |
|
Tovi Grossman, Ravin Balakrishnan. (2005). The Bubble Cursor: Enhancing target acquisition by dynamic resizing of the cursor’s activation area. Proceedings of CHI 2005 – the ACM Conference on Human Factors in Computing Systems. p. 281-290. CHI 2005 Best Paper Award |
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39. |
|
Anastasia Bezerianos, Ravin Balakrishnan. (2005). The Vacuum: Facilitating the manipulation of distant objects. Proceedings of CHI 2005 – the ACM Conference on Human Factors in Computing Systems. p. 361-370. |
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38. |
|
Tovi Grossman, Ravin Balakrishnan. (2005). A probabilistic approach to modeling two-dimensional pointing. ACM Transactions on Computer-Human Interaction,12(3). p. 435-459. |
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37. |
|
Ravin
Balakrishnan. (2004). "Beating"
Fitts' law: Virtual enhancements for pointing
facilitation. International Journal of Human-Computer Studies, 61(6). p.
857-874. |
|
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36. |
|
Tovi Grossman, Daniel Wigdor, Ravin Balakrishnan. (2004). Multi-finger gestural interaction with 3-D volumetric displays. Proceedings of UIST 2004 – the ACM Symposium on User Interface Software and Technology. p. 61-70. UIST 2004 Best Paper Award One of 3 papers invited to a UIST reprise session at ACM SIGGRAPH 2005 Selected press coverage (local cache): MIT Tech Review, Feb 2005, Toronto Star, 20 Jan 2003 |
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35. |
|
Daniel Vogel, Ravin Balakrishnan. (2004). Interactive public ambient displays: transitioning from implicit to explicit, public to personal, interaction with multiple users. Proceedings of UIST 2004 – the ACM Symposium on User Interface Software and Technology. p. 137-146. |
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34. |
|
Shengdong Zhao, Ravin Balakrishnan. (2004). Simple vs. compound mark hierarchical marking menus. Proceedings of UIST 2004 – the ACM Symposium on User Interface Software and Technology. p. 33-42. |
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33. |
|
Karan Singh, Ravin Balakrishnan. (2004). Visualizing 3D scenes using non-linear projections and data mining of previous camera movements. Proceedings of Afrigraph 2004 – the ACM African Graphics Conference. p. 41-48. |
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32. |
|
Michael McGuffin, Gord Davison, Ravin Balakrishnan. (2004). Expand-ahead: A space-filling strategy for browsing trees. Proceedings of InfoVis 2004 – the IEEE Symposium on Information Visualization. p. 119-126. |
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31. |
|
Wael Aboelsaadat, Ravin Balakrishnan. (2004). An empirical comparison of transparency on one and two layer displays. Proceedings of HCI 2004 – the British HCI Conference. p. 53-67. |
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|
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30. |
|
Michael Tsang, Nigel Morris, Ravin Balakrishnan. (2004). Temporal thumbnails: rapid visualization of time-based viewing data. Proceedings of AVI 2004 – the Conference on Advanced Visual Interfaces. p. 175-178. |
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29. |
|
Steven Tsang, Ravin Balakrishnan, Karan Singh, Abhishek Ranjan. (2004). A suggestive interface for image guided 3D sketching. Proceedings of CHI 2004 – the ACM Conference on Human Factors in Computing Systems. p. 591-598. |
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28. |
|
Gonzalo Ramos, Matthew Boulos, Ravin Balakrishnan. (2004). Pressure widgets. Proceedings of CHI 2004 – the ACM Conference on Human Factors in Computing Systems. p. 487-494. Selected press coverage (local cache): MIT Tech Review, June 2004 |
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|
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27. |
|
Tovi Grossman, Ravin Balakrishnan. (2004). Pointing at trivariate targets in 3D environments. Proceedings of CHI 2004 – the ACM Conference on Human Factors in Computing Systems. p. 447-454. |
|
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|
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26. |
|
Daniel Wigdor, Ravin Balakrishnan. (2004). A comparison of consecutive and concurrent input text entry techniques for mobile phones. Proceedings of CHI 2004 – the ACM Conference on Human Factors in Computing Systems. p. 81-88. |
|
|
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|
|
|
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25. |
|
Michael Wu, Ravin Balakrishnan. (2003). Multi-finger and whole hand gestural interaction techniques for multi-user tabletop displays. Proceedings of UIST 2003 – the ACM Symposium on User Interface Software and Technology. p. 193-202. |
|
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|
|
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24. |
|
Daniel Wigdor, Ravin Balakrishnan. (2003). TiltText: Using tilt for text input to mobile phones. Proceedings of UIST 2003 – ACM Symposium on User Interface Software and Technology. p. 81-90. Selected press coverage (local cache): MIT Tech Review, Nov 2003 |
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23. |
|
Gonzalo Ramos, Ravin Balakrishnan. (2003). Fluid interaction techniques for the control and annotation of digital video. Proceedings of UIST 2003 – the ACM Symposium on User Interface Software and Technology. p. 105-114. Selected press coverage (local cache): Varsity, 4 Nov 2002 |
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22. |
|
Xiang Cao, Ravin Balakrishnan. (2003). VisionWand: Interaction techniques for large displays using a passive wand tracked in 3D. Proceedings of UIST 2003 – the ACM Symposium on User Interface Software and Technology. p. 173-182. One of 3 papers invited to a "Best of UIST" reprise session at ACM SIGGRAPH 2004 |
|
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|
|
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21. |
|
Michael McGuffin, Liviu Tancau, Ravin Balakrishnan. (2003). Using deformations for browsing volumetric data. Proceedings of Vis 2003 – the IEEE Visualization Conference. p. 401-408. 4min video demonstrating key aspects of the research complete 8min video demonstrating all the techniques developed in the research |
|
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|
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|
20. |
|
George
W. Fitzmaurice, Azam Khan, William Buxton, Gordon Kurtenbach, Ravin
Balakrishnan. (2003). Sentient
data access via a diverse society of devices. ACM Queue, November 2003.
p. 53-62. |
|
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|
|
|
|
19. |
|
Tovi Grossman, Ravin Balakrishnan, Karan Singh. (2003). An interface for creating and manipulating curves using a high degree-of-freedom input device. Proceedings of CHI 2003 – the ACM Conference on Human Factors in Computing Systems. p. 185-192. 3min video demonstrating basic aspects of the research system complete 15min video demonstrating the entire research system Selected press coverage (local cache): UofT News 14 Apr 2003, NewsFactor 21 Apr 2003, Varsity, 24 Sep 2002 |
|
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|
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18. |
|
Nicholas Burtnyk, Azam Khan, George W. Fitzmaurice, Ravin Balakrishnan, Gordon Kurtenbach. (2002). StyleCam: Interactive stylized 3D navigation using integrated spatial and temporal controls. Proceedings of UIST 2002 – the ACM Symposium on User Interface Software and Technology. p. 101-110. |
|
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|
|
|
|
17. |
|
Michael McGuffin, Ravin Balakrishnan. (2002). Acquisition of expanding targets. Proceedings of CHI 2002 – the ACM Conference on Human Factors in Computing Systems. p. 57-64. demo of prototypes (java applets) |
|
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|
|
|
|
16. |
|
Tovi Grossman, Ravin Balakrishnan, Gordon Kurtenbach, George W. Fitzmaurice, Azam Khan, William Buxton. (2002). Creating principal 3D curves with digital tape drawing. Proceedings of CHI 2002 – the ACM Conference on Human Factors in Computing Systems. p. 121-128. |
|
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|
|
|
|
15. |
|
Tovi Grossman, Ravin Balakrishnan, Gordon Kurtenbach, George W. Fitzmaurice, Azam Khan, William Buxton. (2001). Interaction techniques for 3D modeling on large displays. Proceedings of I3D 2001 – the ACM Symposium on Interactive 3D Graphics. p. 17-23. |
|
|
|
|
|
|
|
14. |
|
Ravin Balakrishnan, George W. Fitzmaurice, Gordon Kurtenbach. (2001). User interfaces for volumetric displays. IEEE Computer, March 2001. p. 37-45. |
|
|
|
|
|
|
|
13. |
|
William Buxton, George W. Fitzmaurice, Ravin Balakrishnan, Gordon Kurtenbach. (2000). Large displays in automotive design. IEEE Computer Graphics and Applications, 2(4). p. 68-75. |
|
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|
|
|
|
|
12. |
|
Ravin Balakrishnan, Ken Hinckley. (2000). Symmetric bimanual interaction. Proceedings of CHI 2000 – the ACM Conference on Human Factors in Computing Systems. p. 33-40. |
|
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|
|
|
|
|
11. |
|
George W. Fitzmaurice, Ravin Balakrishnan, Gordon Kurtenbach. (1999). Sampling, synthesis, and input devices. Communications of the ACM, August 1999, 42(8). p. 54-63. |
|
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|
|
|
|
|
10. |
|
Ravin Balakrishnan, Ken Hinckley. (1999). The role of kinesthetic reference frames in two-handed input performance. Proceedings of UIST 1999 – the ACM Symposium on User Interface Software and Technology. p. 171-178. |
|
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|
|
|
|
|
9. |
|
Ravin Balakrishnan, George W. Fitzmaurice, Gordon Kurtenbach, William Buxton. (1999). Digital tape drawing. Proceedings of UIST 1999 – the ACM Symposium on User Interface Software and Technology. p. 161-169. |
|
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|
|
|
|
8. |
|
Ravin Balakrishnan, Gordon Kurtenbach. (1999). Exploring bimanual camera control and object manipulation in 3D graphics interfaces. Proceedings of CHI 1999 – the ACM Conference on Human Factors in Computing Systems. p. 53-63. video demonstrating an example bimanual camera control and painting/sculpting interface (Azam Khan, Gordon Kurtenbach, Ravin Balakrishnan, Bill Buxton) additional video (Azam Khan, Gordon Kurtenbach, Ravin Balakrishnan, Bill Buxton) |
|
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|
|
|
|
7. |
|
George W. Fitzmaurice, Ravin Balakrishnan, Gordon Kurtenbach, William Buxton. (1999). An exploration into supporting artwork orientation in the user interface. Proceedings of CHI 1999 – the ACM Conference on Human Factors in Computing Systems. p. 167-174. |
|
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|
|
|
|
6. |
|
Ravin Balakrishnan, George W. Fitzmaurice, Gordon Kurtenbach, Karan Singh. (1999). Exploring interactive curve and surface manipulation using a bend and twist sensitive input strip. Proceedings of I3D 1999 – the ACM Symposium on Interactive 3D Graphics. p. 111-118. |
|
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|
|
|
5. |
|
Ravin Balakrishnan, Pranay Patel. (1998). The PadMouse: Facilitating selection and spatial positioning for the non-dominant hand. Proceedings of CHI 1998 – the ACM Conference on Human Factors in Computing Systems. p. 9-16. |
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4. |
|
Ravin Balakrishnan, Thomas Baudel, Gordon Kurtenbach, George W. Fitzmaurice. (1997). The Rockin'Mouse: Integral 3D manipulation on a plane. Proceedings of CHI 1997 – the ACM Conference on Human Factors in Computing Systems. p. 311-318. |
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3. |
|
Ravin Balakrishnan, I. Scott MacKenzie. (1997). Performance differences in the fingers, wrist, and forearm in computer input control. Proceedings of CHI 1997 – the ACM Conference on Human Factors in Computing Systems. p. 303-310. |
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2. |
|
Colin Ware, Ravin Balakrishnan. (1994). Target acquisition in fishtank VR: The effects of lag and frame rate. Proceedings of GI 1994 – the Graphics Interface Conference. p. 1-7. |
|
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|
1. |
|
Colin Ware, Ravin Balakrishnan. (1994). Reaching for objects in VR displays: Lag and frame rate. ACM Transactions on Computer-Human Interaction, 1(4). p. 331-356. |
Jeremy Birnholtz, Abhishek Ranjan, Ravin Balakrishnan. (2008). Error and coupling: Extending common ground to improve the provision of visual information for collaborative tasks. Conference of the International Communication Association, Montreal, Canada, May 22-26, 2008.
Jeremy Birnholtz, Abhishek Ranjan, Ravin Balakrishnan. (2007). Using motion tracking data to augment video recordings in experimental social science research. Proceedings of the Third International Conference on e-Social Science.
Igor Mordatch, Patrick Coleman, Karan Singh, Ravin Balakrishnan. (2007). Interface techinques for 3D control of spatial keyframing. Poster in ACM SIGGRAPH Conference.
Daniel Wigdor, Chia Shen, Clifton Forlines, Ravin Balakrishnan. (2006). Table-centric interactive spaces for real-time collaboration: a video demonstration. Video Proceedings of CSCW 2006 – the ACM Conference on Computer Supported Cooperative Work.
Daniel Wigdor, Chia Shen, Clifton Forlines, Ravin Balakrishnan. (2006). Table-centric interactive spaces for real-time collaboration: Solutions, evaluation, and application scenarios. Proceedings of CollabTech 2006.
Gonzalo Ramos, Ravin Balakrishnan. (2004). Visual features and interference in pressure widgets. Technical Report, DGP Lab, University of Toronto, DGP-TR-2004-003.
Anastasia Bezerianos, Ravin Balakrishnan. (2004). Interaction and visualization techniques for
very large scale high resolution displays. Technical Report, DGP Lab,
University of Toronto, DGP-TR-2004-002.
video
Ravin Balakrishnan. (2001). Issues in bimanual interaction for computer graphics. Ph.D. Thesis. Department of Computer Science, University of Toronto.
Ravin Balakrishnan. (1997). The evolution and evaluation of a 3D input device. M.Sc. Thesis. Department of Computer Science, University of Toronto.
Ravin Balakrishnan, Colin Ware, Tim Smith. (1994). Virtual handtool with force-feedback. Extended Abstracts of CHI 1994 – the ACM Conference on Human Factors in Computing Systems. p. 83-84.
Ravin Balakrishnan, Przemyslaw Pochec. (1992). A testbed for surface orientation detection algorithms. APICS Computer Science Conference. Halifax, N.S.
CSC2604,
“Topics in Human Centered and Interdisciplinary Computing”, Fall 2023 (Grad).
CSC2524,
“Topics in Interactive Computing”, Fall 2022 (Grad).
CSC2604,
“Topics in Human Centered and Interdisciplinary Computing”, Fall 2013 (Grad).
CSC2524, “Topics in Interactive Computing”, Winter 2013 (Grad).
CSC2524, "Topics in Interactive Computing", Fall 2010 (Grad)
CSC490 "Capstone Design Course", Fall 2006 (Undergrad)
CSC2524, "Topics in Interactive Computing", Fall 2006 (Grad)
CSC490 "Capstone Design Course", Sep 2005 - Apr 2006 (Undergrad)
CSC2524, "Topics in Interactive Computing", Spring 2006 (Grad)
CSC490 "Capstone Design Course", Sep 2004 - Apr 2005 (Undergrad)
CSC428/CSC2514, "Human Computer Interaction", Fall 2004 (Crosslisted Grad/Undergrad)
CSC2524, "Topics in Interactive Computing", Fall 2004 (Grad)
"Capstone Design Course", Sep 2003 - Apr 2004 (Undergrad)
CSC428/CSC2514, "Human Computer Interaction", Fall 2003 (Crosslisted Grad/Undergrad)
CSC2524, "Topics in Interactive Computing", Fall 2003 (Grad)
CSC428/CSC2514, "Human Computer Interaction", Fall 2002 (Crosslisted Grad/Undergrad)
CSC2524, "Topics in Interactive Computing", Fall 2002 (Grad)
CSC318, "The Design of Interactive Computational Media", Spring 2002 (Undergrad)
CSC428/CSC2514, "Human Computer Interaction", Fall 2001 (Crosslisted Grad/Undergrad)
CSC258, "Computer Organization", Summer 2000 (Undergrad)
CSC258, "Computer Organization", Spring 2000 (Undergrad)
CSC258, "Computer Organization", Fall 1999 (Undergrad)
CSC108, "Introduction to Computer Programming", Summer 1999 (Undergrad)
CSC258, "Computer Organization", Spring 1999 (Undergrad)
CSC340, "Information Systems Analysis and Design", Fall 1998 (Undergrad)
CSC258, "Computer Organization", Summer 1998 (Undergrad)
CSC340, "Information Systems Analysis and Design", Fall 1997 (Undergrad)
CSC104, "The How and Why of Computing", Spring 1997 (Undergrad)
CSC258, "Computer Organization", Summer 1995 (Undergrad)
Laura Di Chen. Ph.D. 2018 – ongoing. co-advised with Tovi Grossman
Priyank Chandra.
Postdoctoral fellow. 2019 – 2020. co-advised with Syed Ishtiaque Ahmed
Fanny Chevalier. Postdoctoral fellow, Jan 2012 – Nov 2013. co-advised with Karan Singh and Sara Diamond.
Thomas Pietrzak. Postdoctoral fellow, Jan 2011 - Sep 2011
William Soukoreff. Postdoctoral fellow, May 2010 - Nov 2011.
Seok-Hyung Bae. Postdoctoral fellow, Sep 2007 - Feb 2010. co-advised with Karan Singh.
Tomer Moscovich Postdoctoral fellow, Feb 2007-June 2008
Jeremy Birnholtz Postdoctoral fellow, Aug 2005-July 2007. co-advised with colleagues in NECTAR.
Pierre Dragicevic Postdoctoral fellow, Feb 2006-Apr 2007.
Géry Casiez Postdoctoral fellow, Feb-Aug 2005.
Jiannan
Li Ph.D. 2023. co-advised with Tovi Grossman
Aakar Gupta Ph.D. 2018
Sajad Shirali-Shahreza. Ph.D. 2017. co-advised with Yashar Ganjali.
Rorik Henrikson Ph.D. 2016
Jian Zhao Ph.D. 2015
Dustin Freeman Ph.D. 2015
Xiaojun Bi Ph.D. 2011
Daniel Vogel Ph.D. 2010
Clifton Forlines Ph.D. 2008
Abhishek Ranjan Ph.D. 2008
Xiang Cao Ph.D. 2008
Tovi Grossman Ph.D. 2008
Daniel Wigdor Ph.D. 2008
Gonzalo Ramos Ph.D. 2008
Anastasia Bezerianos Ph.D. 2007
Michael McGuffin Ph.D. 2007
Laura Di Chen. M.Sc. 2018.
Rinat Abdrashitov. M.Sc. 2015. co-advised with Karan Singh.
Jonathan Deber M.Sc. 2013
Stephanie Santosa M.Sc. 2013. co-advised with Karan Singh.
Aakar Gupta M.Sc. 2012
Rorik Henrikson M.Sc. 2012
Navkar Samdaria M.Sc. 2012
Mohit Jain M.Sc. 2011
Akhil Mathur M.Sc. 2011
Dominika Ruszkowski M.Sc. 2010
Dustin Freeman M.Sc. 2010
Patrick Dubroy M.Sc. 2009
Azam Khan M.Sc. 2008
Michael Jurka M.Sc. 2008
Gerry Chu M.Sc. 2007
Tristan Campbell M.Sc. 2006
Steven Tsang M.Sc. 2006. co-advised with Karan Singh
Anand Agarawala M.Sc. 2006
Abhishek Ranjan M.Sc. 2005
Jia Sheng M.Sc. 2005. co-advised with Karan Singh
Daniel Vogel M.Sc. 2005
Wael Aboelsaadat M.Sc. 2004
Xiang Cao M.Sc. 2004. co-advised with Allan Jepson
Tovi Grossman
M.Sc. 2004
Daniel Wigdor M.Sc. 2004
Yan (Grace) Wang M.Sc. 2003
Michael McGuffin M.Sc. 2002. co-advised with Gordon Kurtenbach
Sameer Vohra. Undergraduate research assistant, summer 2007 (NSERC USRA). co-advised with Tomer Moscovich
Curren Pangler. Undergraduate research assistant, summer 2007 (NSERC USRA). co-advised with Tomer Moscovich
Nicholas Kong. Undergraduate research assistant, summer 2005, summer 2006 (NSERC USRA), summer 2007 (NSERC USRA). co-advised with Tovi Grossman
Matthew Boulos. Undergraduate research assistant, summer 2003 (NSERC USRA), summer 2004 (NSERC USRA). co-advised with Gonzalo Ramos
Vikas Jain. Undergraduate research assistant, summer 2003. co-advised with Tovi Grossman
Jeffrey Magder. Undergraduate research assistant, summer 2002 (NSERC USRA)
Abhishek Ranjan. Undergraduate research assistant, summer 2002
Tovi Grossman. Undergraduate research assistant, summer 2000, summer 2001, summer 2002 (NSERC USRA)
Ravin Balakrishnan is a Professor at the Department of Computer Science, University of Toronto where he co-directs the Dynamic Graphics Project (DGP) laboratory. He served as the department’s chair from 2015-2019. His research interests are in Human Computer Interaction (HCI), Information and Communications Technology for Development, and Interactive Computer Graphics. He earned his Ph.D. in Computer Science from the University of Toronto, working with Bill Buxton, while concurrently a part-time researcher at Alias|wavefront (now part of Autodesk). He was elected to the ACM CHI Academy in 2011, is the recipient of an Alfred P. Sloan Research Fellowship (2007), an Ontario Premier's Research Excellence Award (2003), the Bell University Laboratories Associate Chair in HCI at the University of Toronto (2002-2006), a Canada Research Chair (2006-2016), the Canadian Human Computer Communications Society Achievement Award (2020) and multiple best paper type awards at the top conferences in his field (ACM CHI, CSCW, UIST). In addition to working with students and colleagues at Toronto, he collaborates with researchers at leading industrial laboratories and universities worldwide, including stints as a visiting researcher at Mitsubishi Electric Research Laboratories (MERL), the University of Paris & INRIA, Microsoft Research’s Redmond, Beijing, Bangalore and Cambridge labs, and Hewlett Packard Labs Bangalore. He has been a co-founder of several companies commercializing research conducted in his lab, including Bump Technologies Inc (acquired by Google), FindSpace (acquired by Cougar Group), and Conceptualiz. He has also consulted for various leading companies as an expert witness in patent infringement matters in multiple countries. Further information, including publications and videos demonstrating some of his research, can be obtained from www.dgp.toronto.edu/~ravin
ACM Transactions on Computer-Human Interaction. Associate Editor, 2010-2019.
IEEE Transactions on Visualization and Computer Graphics. Associate Editor, 2008-2011.
ACM UIST 2009 Symposium on User Interface Software and Technology. Sponsorship Chair
IEEE 3D User Interfaces 2009. Conference Co-Chair
ACM UIST 2008 Symposium on User Interface Software and Technology. Sponsorship Co-Chair
Human-Computer Interaction journal. Co-guest editor of Special Issue on Ubiquitous Multi Display Environments, Volume 24, Issues 1 & 2, 2009. (Guest Editors' Introduction)
ACM UIST 2007 Symposium on User Interface Software and Technology. Program Chair & Sponsorship Co-Chair
Ubicomp 2005 Workshop on "The Spaces in-between: Seamful vs. Seamless Interactions". Co-organizer.
Graphics Interface 2004 Conference. Conference and Program Co-Chair
Graphics Interface 2002 Conference. Posters and Demonstrations Chair
International Input Research Workshop, 2000, Ribeaucourt, France. Organizing Committee.
ACM CHI Conference on Human Factors in Computing Systems, Associate Chair for Papers (2002, 2003, 2004, 2005, 2006, 2009, 2010, 2011, 2014, 2015)
ACM CHI Conference on Human Factors in Computing Systems, Short Papers Program Committee (2001)
ACM UIST Symposium on User Interface Software and Technology, Papers Program Committee (2003, 2004, 2005, 2006, 2010, 2015)
ACM SIGGRAPH Conference on Computer Graphics and Interactive Techniques (2010)
International Projector-Camera Systems Workshop (PROCAMS), Program Committee (2008, 2009).
ACM SIGGRAPH International Conference on Virtual-Reality
Continuum and its Applications in Industry (VRCAI), Program Committee (2008).
International Conference on Intelligent User Interfaces (IUI), Workshop on
Intelligent User Interfaces for Developing Regions, Program Committee (2008).
Graphics Interface Conference, Papers Program Committee (2002)
ACM VRST Symposium on Virtual Reality Software and Technology, Papers Program Committee (2003)
IEEE InfoVis Symposium on Information Visualization, Papers Program Committee (2006)
ACM I3D Symposium on Interactive 3D Graphics and Games, Papers Program Committee (2006)
NordiCHI Conference, Papers Program Committee (2004)
8th Eurographics Workshop on Virtual Environments, Barcelona, Spain, Papers Program Committee (2002)