3D Motion Capture by Computer Vision and Virtual Rendering - David Antonio Gomez Jauregui
3D Motion Capture by Computer Vision and Virtual Rendering - David Antonio Gomez Jauregui
AutorzyDavid Antonio Gomez Jauregui
EAN: 9783659302541
Symbol
609EXU03527KS
Rok wydania
2012
Elementy
156
Format
15.2x22.9cm
Język
angielski

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14 dni na łatwy zwrot

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Ocena: /5
Symbol
609EXU03527KS
Kod producenta
9783659302541
Autorzy
David Antonio Gomez Jauregui
Rok wydania
2012
Elementy
156
Format
15.2x22.9cm
Język
angielski

Networked 3D virtual environments allow multiple users to interact with each other over the Internet. Users can share some sense of telepresence by remotely animating an avatar that represents them. However, avatar control may be tedious and still render user gestures poorly. This work aims at animating a user's avatar from real time 3D motion capture by monocular computer vision, thus allowing virtual telepresence to anyone using a personal computer with a webcam. The approach followed consists of registering a 3D articulated upper-body model to a video sequence. The first contribution of this work is a method of allocating computing iterations under real-time constrain that achieves optimal robustness and accuracy. The major issue for robust 3D tracking from monocular images is the 3D/2D ambiguities that result from the lack of depth information. As a second contribution, this work enhances particle filtering for 3D/2D registration under limited computation constrains with a number of heuristics, the contribution of which is demonstrated experimentally. A parameterization of the arm pose based on their end-effector is proposed to better model uncertainty in the depth direction.
EAN: 9783659302541
EAN: 9783659302541
Niepotwierdzona zakupem
Ocena: /5
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