Hand Occlusion on a Multi-Touch Tabletop
Document type :
Communication dans un congrès avec actes
DOI :
Title :
Hand Occlusion on a Multi-Touch Tabletop
Author(s) :
Vogel, Daniel [Auteur]
David R. Cheriton School of Computer Science
Casiez, Géry [Auteur]
Laboratoire d'Informatique Fondamentale de Lille [LIFL]
Méthodes et outils pour l'Interaction à gestes [MINT2]
David R. Cheriton School of Computer Science
Casiez, Géry [Auteur]

Laboratoire d'Informatique Fondamentale de Lille [LIFL]
Méthodes et outils pour l'Interaction à gestes [MINT2]
Conference title :
CHI'12, the 30th Conference on Human Factors in Computing Systems
City :
Austin
Country :
Etats-Unis d'Amérique
Start date of the conference :
2012-05-05
Publisher :
ACM
Publication date :
2012-05-09
English keyword(s) :
occlusion
multi-touch
hand
tabletop
tablet
finger
multi-touch
hand
tabletop
tablet
finger
HAL domain(s) :
Informatique [cs]/Interface homme-machine [cs.HC]
Informatique [cs]/Bibliothèque électronique [cs.DL]
Informatique [cs]/Bibliothèque électronique [cs.DL]
English abstract : [en]
We examine the shape of hand and forearm occlusion on a multi-touch table for different touch contact types and tasks. Individuals have characteristic occlusion shapes, but with commonalities across tasks, postures, and ...
Show more >We examine the shape of hand and forearm occlusion on a multi-touch table for different touch contact types and tasks. Individuals have characteristic occlusion shapes, but with commonalities across tasks, postures, and handedness. Based on this, we create templates for designers to justify occlusion-related decisions and we propose geometric models capturing the shape of occlusion. A model using diffused illumination captures performed well when augmented with a forearm rectangle, as did a modified circle and rectangle model with ellipse "fingers" suitable when only X-Y contact positions are available. Finally, we describe the corpus of detailed multi-touch input data we generated which is available to the community.Show less >
Show more >We examine the shape of hand and forearm occlusion on a multi-touch table for different touch contact types and tasks. Individuals have characteristic occlusion shapes, but with commonalities across tasks, postures, and handedness. Based on this, we create templates for designers to justify occlusion-related decisions and we propose geometric models capturing the shape of occlusion. A model using diffused illumination captures performed well when augmented with a forearm rectangle, as did a modified circle and rectangle model with ellipse "fingers" suitable when only X-Y contact positions are available. Finally, we describe the corpus of detailed multi-touch input data we generated which is available to the community.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
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