Gunslinger: Subtle Arms-down Mid-air Interaction
summary
Gunslinger is a bimanual, arms-down mid-air interaction that mounts Leap Motion sensors at the top of each thigh and maps hand postures to modes while finger motion controls continuous input. The system supports up to 48 postures per hand, shows a hand-cursor for posture and tracking quality, and yields recognition times of about 1.3–2.5s for novice users. During evaluation hands are undetected 90% of the time in casual conversation, non-vocabulary postures appear 3% of the time and vocabulary postures 6% initially; Gunslinger is slower than touch but scores well on perceived precision and fatigue.
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chapters (19)
- 0:00Start
- 0:21Range of movements
- 0:34Maximum proximity
- 0:48Occlusion
- 1:29Gunslinger
- 3:15State Feedback - Digits
- 3:41State Feedback - Hands
- 3:52State Feedback - Vocabulary
- 4:15State Feedback - Active Command
- 5:21Input range
- 5:41Hand Inference
- 6:50Map Application
- 7:47Experiment
- 8:06Midas Touch
- 9:14Posture Recognition
- 10:10Arms-down Pointing
- 10:42General Usability
- 12:06User Feedback
- 12:39Conclusion
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