A sketch-based articulated figure animation tool

Authors:
Timothy Matthews;Dieter Vogts
Affiliations:
Nelson Mandela Metropolitan University, Port Elizabeth, Eastern Cape, South Africa;Nelson Mandela Metropolitan University, Port Elizabeth, Eastern Cape, South Africa
Venue:
Proceedings of the South African Institute of Computer Scientists and Information Technologists Conference on Knowledge, Innovation and Leadership in a Diverse, Multidisciplinary Environment
Year:
2011

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Abstract

Animating models using traditional 3D modelling and animation packages is complex and difficult for novice users to use. A sketch-based articulated figure animation tool is introduced that provides users with an intuitive interface to pose and animate skeletons of any topology easily. An isomorphic mapping between the sketch and the skeleton is determined and a recursive algorithm poses the skeleton so that it matches the pose sketched. It is shown how sketch- and depth ambiguity can be resolved using disambiguation information and pressure sensitivity. The tool developed allowed novice users to successfully and easily sketch stick figures to pose articulated figures for sketch-based animation.