Comparative Analysis of Constraint-Based Motion Editing Methods

TL;DRAbstract

Tools for assisting with editing human motion have become one of the most active research areas in the field of computer animation. Not surprisingly, the area has demonstrated some stunning successes in both research and practice. This paper explores the range of constraint-based techniques used to alter motions while preserving specific spatial features. We examine a variety of methods, defining a taxonomy of these methods that is categorized by the mechanism employed to enforce temporal constraints. We pay particular attention to a less explored category of approaches that we term per-frame inverse kinematics plus filtering, and show how these methods may provide an easier to implement system that has many of the benefits of other approaches. 1 Introduction The proliferation of different techniques for creating motion for computer animation, coupled with the needs to best utilize these artistic assets, has made motion editing a rapidly developing area of research and development. T..

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