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3D Studio Production of Animated Actor Models

Hilton, A, Kalkavouras, K and Collins, G (2005) 3D Studio Production of Animated Actor Models IEE Proceedings of Vision, Image and Signal Processing, 152, 4. pp. 481-490.

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A framework for construction of detailed animated models of an actor's shape and appearance from multiple view images is presented. Multiple views of an actor are captured in a studio with controlled illumination and background. An initial low-resolution approximation of the person's shape is reconstructed by deformation of a generic humanoid model to fit the visual hull using shape constrained optimisation to preserve the surface parameterisation for animation. Stereo reconstruction with multiple view constraints is then used to reconstruct the detailed surface shape. High-resolution shape detail from stereo is represented in a structured format for animation by displacement mapping from the low-resolution model surface. A novel integration algorithm using displacement maps is introduced to combine overlapping stereo surface measurements from multiple views into a single displacement map representation of the high-resolution surface detail. Results of 3-D actor modelling in a 14 camera studio demonstrate improved representation of detailed surface shape such as creases in clothing compared to previous model fitting approaches. Actor models can be animated and rendered from arbitrary views under different illumination to produce free-viewpoint video sequences. The proposed framework enables rapid transformation of captured multiple view images into a structured representation suitable for realistic animation.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Vision Speech and Signal Processing
Authors :
Date : 2005
Identification Number : 10.1049/ip-vis:20045114
Additional Information : This paper is a postprint of a paper submitted to and accepted for publication in IEE Proceedings of Vision, Image and Signal Processing and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
Depositing User : Symplectic Elements
Date Deposited : 11 Feb 2013 15:19
Last Modified : 23 Sep 2013 20:00

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