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Yongqiang Qin

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Publications by Yongqiang Qin (bibliography)

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2011
 
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Qin, Yongqiang, Yu, Chun, Liu, Jie, Wang, Yuntao, Shi, Yue, Su, Zhouyue and Shi, Yuanchun (2011): uTable: a seamlessly tiled, very large interactive tabletop system. In: Proceedings of the 2011 ACM International Conference on Interactive Tabletops and Surfaces 2011. pp. 244-245.

We present uTable, a very large horizontal interactive surface which accommodates up to ten people sitting around and interacting in parallel. We identify the key aspects for building such large interactive tabletops and discuss the pros and cons of potential techniques. After several rounds of trials, we finally chose tiled rear projection for building the very large surface and DI solution for detecting touch inputs. We also present a set of techniques to narrow the interior bezels, uniform the color/brightness of the surface and handle multiple streams of inputs. Finally uTable achieves a good overall performance in terms of display effect and input capability.

© All rights reserved Qin et al. and/or ACM Press

2010
 
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Qin, Yongqiang, Shi, Yuanchun, Jiang, Hao and Yu, Chun (2010): Structured laser pointer: enabling wrist-rolling movements as a new interactive dimension. In: Proceedings of the 2010 International Conference on Advanced Visual Interfaces 2010. pp. 163-166.

In this paper, we re-visit the issue of multi-point laser pointer interaction from a wrist-rolling perspective. Firstly, we proposed SLP -- Structured Laser Pointer, and detects a laser pointer's rotation along its emitting axis. SLP adds the wrist-rolling gestures as a new interactive dimension to the conventional laser pointer interaction approach. We asked a group of users to perform certain tasks using SLP, and derived from test results a set of criteria to distinguish between incidental and intentional SLP rolling, and then the experimental results also approved the high accuracy and acceptable speed as well as throughput of such rolling interaction.

© All rights reserved Qin et al. and/or their publisher

 
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Yu, Chun, Shi, Yuanchun, Balakrishnan, Ravin, Meng, Xiangliang, Suo, Yue, Fan, Mingming and Qin, Yongqiang (2010): The satellite cursor: achieving MAGIC pointing without gaze tracking using multiple cursors. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 163-172.

We present the satellite cursor -- a novel technique that uses multiple cursors to improve pointing performance by reducing input movement. The satellite cursor associates every target with a separate cursor in its vicinity for pointing, which realizes the MAGIC (manual and gaze input cascade) pointing method without gaze tracking. We discuss the problem of visual clutter caused by multiple cursors and propose several designs to mitigate it. Two controlled experiments were conducted to evaluate satellite cursor performance in a simple reciprocal pointing task and a complex task with multiple targets of varying layout densities. Results show the satellite cursor can save significant mouse movement and consequently pointing time, especially for sparse target layouts, and that satellite cursor performance can be accurately modeled by Fitts' Law.

© All rights reserved Yu et al. and/or their publisher

 
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Changes to this page (author)

04 Apr 2012: Modified
03 Nov 2010: Modified
02 Nov 2010: Added

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URL: http://www.interaction-design.org/references/authors/yongqiang_qin.html
Jul 24

There is no reason for any individual to have a computer in his home

-- Ken Olson

 
 

Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

Kumar and Herger 2013: Gamification at Work: Designing Engaging Business Software...
by Janaki Mythily Kumar and Mario Herger

 
Start reading

Whitworth and Ahmad 2013: The Social Design of Technical Systems: Building technologies for communities...
by Brian Whitworth and Adnan Ahmad

 
Start reading

Soegaard and Dam 2013: The Encyclopedia of Human-Computer Interaction, 2nd Ed....
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

Help us help you!