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Interaction Retrieval by Spacetime Proximity Graphs

Interaction Retrieval by Spacetime Proximity Graphs

Indexing and retrieving animation scenes in which multiple characters closely interact with one another.

Description

In this paper, we propose a new method to index and retrieve animation scenes in which multiple characters closely interact with one another. Such a technique can be an important tool for animators when they want to automatically extract the desired scene from a large database of animation sequences. Existing methods for single character movements do not scale well for multiple characters, as they do not take into account the interaction of different body parts.

We propose a new distance function that computes the similarity of two-character interactions using the spatial relationship of the body parts. For each interaction, we produce a time-varying graph structure based on the proximity of different body parts.

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