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Efficient Video Processing for Activity Recognition and Agenda Participation Analysis

Explore MGIST log file format, query language features, and query examples. Learn to detect faces, recognize activities, and analyze meeting agendas through frame-by-frame data. See MGIST queries in action through GUI and text file demonstrations.

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Efficient Video Processing for Activity Recognition and Agenda Participation Analysis

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  1. 1 3 2 Video Processing • Steps • Face Detection • Activity Recognition • Agenda Participation t t + 1 t + 2 …

  2. 1 4 2 3 MGIST Log File • Format • Each entry is a category, type, name, value tuple • Log file starts with meeting and person immutables • Then lists meeting and person mutables • Mutables in frame-by-frame format • Features • Schema-based • Extensible • Modular

  3. MGIST Query Language • Features of the Language • Definable Variables • Definable, Re-usable Functions • Supports Combined Queries • Example Usage • Get all frames where Paul is standing in the last 2 minutes of the meeting. Function Input Define Variable Define Function Use Pre-Defined Variable Run Query Query Combination

  4. MGIST Queries in Action <insert video of selecting a person standing via GUI> <insert video of query involving agenda via GUI> <insert video of combination query via text file>

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