1, Event Parsing by AND-OR grammar with Goal and Intent Inference
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We present an event parsing algorithm based on Stochastic Context Sensitive Grammar (SCSG) for understanding events, inferring the goal of agents, and predicting their plausible intended actions. |
2, Learning event AND-OR grammar from daily video
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We study the problem of automatically learning event AND-OR grammar from videos in a controlled environment, e.g. an office where students conduct daily activities. We learn the event gammar under the information projection and minimum description length principles in a coherent probabilistic framework, without manual supervision about what events happen and when they happen. |