A sketch-based approach to human body modelling

Mao, Chen, Qin, Sheng-feng and Wright, David (2009) A sketch-based approach to human body modelling. Computers & Graphics, 33 (4). pp. 521-541. ISSN 00978493

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Official URL: http://dx.doi.org/10.1016/j.cag.2009.03.028

Abstract

In this paper, we present a new approach and a novel interface, Virtual Human Sketcher (VHS), which enables those who can draw, to sketch-out various human body models. Our approach supports freehand drawing input and a “Stick Figure→Fleshing-out→Skin Mapping” modelling pipeline. Following this pipeline, a stick figure is drawn first to illustrate a figure pose, which is automatically reconstructed into 3D through a “Multi-layered Back-Front Ambiguity Clarifier”. It is then fleshed-out with freehand body contours. A “Creative Model-based Method” is developed for interpreting the body size, shape, and fat distribution of the sketched figure and transferring it into a 3D human body through graphical comparisons and generic model morphing. The generic model is encapsulated with three distinct layers: skeleton, fat tissue, and skin. It can be transformed sequentially through rigid morphing, fatness morphing, and surface matching to match the 2D figure sketch. The initial resulting 3D body model can be incrementally modified through sketching directly on the 3D model. In addition, this body surface can be mapped onto a series of posed stick figures to be interpolated as a 3D character animation. VHS has been tested by various users on Tablet PC. After minimal training, even a beginner can create plausible human bodies and animate them within minutes.

Item Type: Article
Uncontrolled Keywords: Sketch-based approach, human body modelling, creative model-based method, multi-layered generic model, morphing
Subjects: W200 Design studies
Department: Faculties > Arts, Design and Social Sciences > School of Design > Northumbria Design
Depositing User: Becky Skoyles
Date Deposited: 19 Mar 2014 14:57
Last Modified: 10 Aug 2015 11:13
URI: http://nrl.northumbria.ac.uk/id/eprint/15893

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