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Conference Paper
Interactive Editing of Human Locomotion on an Arbitrary Motion Path
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- Authors
- Yejin Kim, Myunggyu Kim
- Issue Date
- 2014-11
- Citation
- International Conference on Computer Graphics, Multimedia and Image Processing (CGMIP) 2014, pp.1-14
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper introduces an interactive editing system for a human locomotion which considers quantitative and qualitative aspects of motion and suggests two editing processes to generate a convincing output animation. Based on a minimal set of sample locomotion clips containing only straight motion paths, an animator controls a character's motion path and stylistic posture changes during the editing processes. During quantitative editing, our system generates a locomotion sequence following a curved motion path specified by an animator. Key-times of foot strikes are detected automatically for each sample in order to specify motion cycles which are appended and interpolated for a continuous and smooth output sequence. Additionally, the system provides a timing interface in order to specify temporal points of transition from one sample to another. In addition, qualitative editing is supported by incorporating a procedural system which provides a set of controllable parameters to facilitate posture editing. Initiated with a sample clip, this process produces motion that differs stylistically from any in the sample set, yet preserves the high quality of data-driven motion. A post-processing step enforces foot constraints, and modifies the character's posture to account for important physical forces acting on the body while navigating a curved path. As shown in the experimental results, our system provides intuitive interfaces for editing motion capture clips and generates realistic locomotion at interactive speed.
- KSP Keywords
- Curved path, Data-Driven, Human locomotion, Interactive editing, Intuitive interfaces, Motion capture, Motion path, Output sequence, Physical forces, Post-Processing, Posture changes