Belly gestures: Body Centric Gestures on the Abdomen
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The document discusses body-centric gestures on the abdomen, emphasizing their potential for on-body interaction without the need for visual focus. A user experiment evaluates the efficiency of different directional gestures, revealing users' preferences and providing insights into the design of gestures that accommodate intuitive spatial representations. Key recommendations include favoring directional gestures and utilizing rotation invariant symbols for complex actions.
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![Related work
4
[Harrison et al., 2010]
[Sato et al., 2012]
[Bailly et al., 2012]
[Holz et al., 2012]](https://image.slidesharecdn.com/bellygestures-nordichi14talk-141105122407-conversion-gate01/85/Belly-gestures-Body-Centric-Gestures-on-the-Abdomen-4-320.jpg)
![Related work
5
[Serrano et al., 2014]
[Lin et al., 2011]](https://image.slidesharecdn.com/bellygestures-nordichi14talk-141105122407-conversion-gate01/85/Belly-gestures-Body-Centric-Gestures-on-the-Abdomen-5-320.jpg)
![Related work
7
束 Participants were most efficient with
targets on the torso [] 損
[Wagner et al. 2013]](https://image.slidesharecdn.com/bellygestures-nordichi14talk-141105122407-conversion-gate01/85/Belly-gestures-Body-Centric-Gestures-on-the-Abdomen-7-320.jpg)
![Related work
8
束 This would make the sternum well
suited [] to be used during sports. 損
[Karrer et al. 2011]](https://image.slidesharecdn.com/bellygestures-nordichi14talk-141105122407-conversion-gate01/85/Belly-gestures-Body-Centric-Gestures-on-the-Abdomen-8-320.jpg)
![Mental spatial representation
Perception of cutaneous stimuli [Parsons & Shimojo,
1987]
!
10](https://image.slidesharecdn.com/bellygestures-nordichi14talk-141105122407-conversion-gate01/85/Belly-gestures-Body-Centric-Gestures-on-the-Abdomen-10-320.jpg)
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Belly gestures: Body Centric Gestures on the Abdomen
- 1. Belly Gestures: Body Centric Gestures on the Abdomen Dong-Bach Vo 1,2, Eric Lecolinet 2, Yves Guiard 2 1 University of Glasgow, United Kingdom 2 T辿l辿com Paristech, France
- 2. Motivation 2
- 3. On-body interaction 3 ! Always available ! Eyes-free interaction Proprioception Tactile feedback
- 4. Related work 4 [Harrison et al., 2010] [Sato et al., 2012] [Bailly et al., 2012] [Holz et al., 2012]
- 5. Related work 5 [Serrano et al., 2014] [Lin et al., 2011]
- 7. Related work 7 束 Participants were most efficient with targets on the torso [] 損 [Wagner et al. 2013]
- 8. Related work 8 束 This would make the sternum well suited [] to be used during sports. 損 [Karrer et al. 2011]
- 9. Abdomen as an interactive surface 9 Relatively large Easy access Stable Intimate
- 10. Mental spatial representation Perception of cutaneous stimuli [Parsons & Shimojo, 1987] ! 10
- 11. 11 束 Without looking at your abdomen, how would you draw the number two on it with your right hand? 損
- 12. User experiment Inversion relative to vertical axis No Yes No Yes Inversion relative to horizontal axis A B C D 12 Two 12 users 2 factors: nature x presentation Subjective preferences questionnaire
- 13. Experimental design 13 Up Up Right Right Down Right Down Down Left Left Up Left One Two Three Four Five Six Seven Eight Nine Zero Textual Graphical Textual Graphical Directional Material Digit Material
- 14. Possible spatial representations 14 Inversion relative to vertical axis No Yes No Yes Inversion relative to horizontal axis A B C D
- 15. Possible spatial representations 15 Inversion relative to vertical axis No Yes No Yes Inversion relative to horizontal axis A B C D
- 16. Possible spatial representations 16 Inversion relative to vertical axis No Yes No Yes Inversion relative to horizontal axis A B C D
- 17. Rates of inversions relative to axes 17 Digit Direction 0.4 0.2 0.0 Graphical Textual Graphical Textual Axis Horizontal Vertical
- 18. Rates of inversions relative to axes 18 Digit Direction 0.4 0.2 0.0 Graphical Textual Graphical Textual Axis Horizontal Vertical
- 19. Rates of inversions relative to axes 19 Digit Direction 0.4 0.2 0.0 Graphical Textual Graphical Textual Axis Horizontal Vertical
- 20. Rates of inversions relative to axes 20 Digit Direction 0.4 0.2 0.0 Graphical Textual Graphical Textual Axis Horizontal Vertical
- 21. Subjective preferences 21 6 4 2 0 Easy Fast Pleasant Precise Tiring Material Digit Direction
- 22. How users perform directional gestures? 22
- 23. Linearity of directional gestures 23 1.00 0.95 0.90 EAST NORTH EAST NORTH NORTH WEST WEST SOUTH WEST SOUTH SOUTH EAST
- 24. Linearity of directional gestures 24 1.00 0.95 0.90 EAST NORTH EAST NORTH NORTH WEST WEST SOUTH WEST SOUTH SOUTH EAST Extension Flexion
- 25. Mean directional biases of gestures 25 0 45 90 135 180 225 270 315 EAST SOUTH EAST SOUTH SOUTH WEST WEST NORTH WEST NORTH NORTH EAST
- 26. Design recommendations Favor directional gestures when possible ! Provide to users means to select up/down direction preferences ! Favor rotation invariant symbols for complex gestures ! Gesture design should take into account efforts to move the arm 26
- 27. Thank you 27 Belly Gestures: Body Centric Gestures on the Abdomen Dong-Bach Vo 1,2, Eric Lecolinet 2, Yves Guiard 2 1 University of Glasgow, United Kingdom 2 T辿l辿com Paristech, France dong-bach.vo@glasgow.ac.uk