Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Sketching-out virtual humans: from 2D storyboarding to immediate 3D character animation
Proceedings of the 2006 ACM SIGCHI international conference on Advances in computer entertainment technology
Life-sketch: a framework for sketch-based modelling and animation of 3D objects
AUIC '10 Proceedings of the Eleventh Australasian Conference on User Interface - Volume 106
Differential blending for expressive sketch-based posing
Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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Animated virtual humans created by skilled artists play a remarkable role in today's public entertainment. However, ordinary users are still treated as audiences due to the lack of appropriate expertise, equipment, and computer skills. We developed a new method and a novel sketching interface, which enable anyone who can draw to "sketch-out" 3D virtual humans and animation. We devised a "Stick Figure茂戮驴 Fleshing-out茂戮驴Skin Mapping" graphical pipeline, which decomposes the complexity of figure drawing and considerably boosts the modelling and animation efficiency. We developed a gesture-based method for 3D pose reconstruction from 2D stick figure drawings. We investigated a "Creative Model-based Method", which performs a human perception process to transfer users' 2D freehand sketches into 3D human bodies of various body sizes, shapes and fat distributions. Our current system supports character animation in various forms including articulated figure animation, 3D mesh model animation, and 2D contour/NPR animation with personalised drawing styles. Moreover, this interface also supports sketch-based crowd animation and 2D storyboarding of 3D multiple character interactions. A preliminary user study was conducted to support the overall system design. Our system has been formally tested by various users on Tablet PC. After minimal training, even a beginner can create vivid virtual humans and animate them within minutes.