Partially-indirect Bimanual Input with Gaze, Pen, and Touch for Pan, Zoom, and Ink Interaction
summary
A system combines direct pen input with indirect touch that redirects pinch gestures to either the pen or the gaze, using an iClicker eye tracker and two demo apps (maps and medical image annotation). An empirical study with 18 participants (three distances, 15 repetitions) shows overall task times are similar but indirect techniques produce a closer to ideal zoom point—gaze zooming is most accurate, pen-redirect zoom is slower in sequence tasks, and indirect input lets hands sit further apart to avoid interference.
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chapters (11)
- 0:00Introduction to research
- 1:08Three zooming techniques
- 2:33Maps application demo
- 3:14Gaze zoom with medical image
- 4:01User study design
- 6:12Task completion time results
- 7:59Zooming offset analysis
- 10:09Spatial alignment findings
- 12:42Study summary
- 14:28Benefits of indirect input
- 15:32Q&A session
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