A Suite of Techniques for Describing Activity in Terms of Events
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MIT-CSAIL-TR-2015-009.pdf
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Author(s)
Borchardt, Gary C.
Advisor(s)
Boris Katz
Date Issued
March 30, 2015
Series/Report no.
MIT-CSAIL-TR-2015-009
Abstract
This report presents a set of software techniques that support the tasks of event recognition, summarization of event sequences, explanation of recognized events, explanation of non-recognized events, prediction of event completions, and question answering by leveraging language-encoded human knowledge of what typically happens during various types of events. The techniques operate on sequences of timestamped, three-dimensional positions and contacts for humans, body parts, and objects, provided by a Microsoft Kinect sensor plus associated software. Appendices describe 64 activity sequences used for development and testing of the techniques and 102 event models created as part of the effort.
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