Enhanced auto coloring with hierarchical region matching: Image, Colour and Illumination in Animation

Authors:
Jie Qiu;Hock Soon Seah;Feng Tian;Quan Chen;Zhongke Wu
Affiliations:
Centre for Advanced Media Technology, Nanyang Technological University, Nanyang Avenue, Singapore 639798.;-;-;-;-
Venue:
Computer Animation and Virtual Worlds - CASA 2005
Year:
2005

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Abstract

This paper proposes a Hierarchical Region Matching (HRM) approach for computer-assisted auto coloring. The region-level analysis in traditional 2D animation is expanded into several component levels with a novel hierarchization method. With the hierarchy, various region matching algorithms can be applied from the first/highest to the last/lowest component level. HRM improves the matching accuracy and may deal with matching errors caused by occlusion, thus making the matching more robust, as verified by the results. Copyright © 2005 John Wiley & Sons, Ltd.