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Interactive Skeleton Techniques for Enhancing Motion Dynamics in Key Frame Animation
Early interactive skeleton system for keyframe animation using interpolation between poses, foundational for articulated character animation tools.
Abstract
A significant increase in the capability for controlling motion dynamics in key frame animation is achieved through skeleton control. This technique allows an animator to develop a complex motion sequence by animating a stick figure representation of an image. This control sequence is then used to drive an image sequence through the same movement. The simplicity of the stick figure image encourages a high level of interaction during the design stage. Its compatibility with the basic key frame animation technique permits skeleton control to be applied selectively to only those components of a composite image sequence that require enhancement.
How to read this
- Category
- Method: an interactive skeleton control technique for keyframe animation
- Contributions
- Skeleton control that lets an animator drive a complex motion sequence by animating a stick-figure representation
- A simple stick-figure interface that encourages high interaction during the design stage
- Selective application of skeleton control to only the components of a composite sequence that need enhancement
- Context
- Standalone early work (no prior context given) that extends basic keyframe animation and prefigures articulated, skeleton-driven character animation tools.
- Correctness
- Built to be compatible with existing keyframe practice and demonstrated as an interactive design aid; a reader should remember it predates modern skinning and treats motion at the level of a 2D stick figure rather than full 3D rigs.
- Clarity
- Accessible and concept-forward; a single first pass conveys the core idea of skeleton-driven motion.
- How to read it
- Read for the lineage of skeleton-based animation tooling: focus on how the stick figure drives the image sequence and the emphasis on interactivity; a first pass is enough.
Builds on
Nothing in the archive, this is a starting point.
Related work
- Optimal and Interactive Keyframe Selection for Motion Capture 2018 / SIGGRAPH Asia
- Green Coordinates 2008 / SIGGRAPH
- Learning an Intrinsic Garment Space for Interactive Authoring of Garment Animation 2019 / SIGGRAPH Asia
- Build Your Own Procedural Grooming Pipeline 2017 / SIGGRAPH
Keywords
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