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Week 3 Presentation

Week 3 Presentation. Sahil Shah. TRECVID2011 Competition Mentor: Subh Bhattacharya. Multimedia Event Detection SIFT STIP Audio Concept Detectors. My role: Look for ways to exploit concurrency and temporal dependencies in concepts. Work Done so Far. Read the following papers

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Week 3 Presentation

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  1. Week 3 Presentation Sahil Shah

  2. TRECVID2011 Competition Mentor: Subh Bhattacharya • Multimedia Event Detection • SIFT • STIP • Audio • Concept Detectors My role: Look for ways to exploit concurrency and temporal dependencies in concepts.

  3. Work Done so Far • Read the following papers • TRECVID 2010 • On Space-Time Interest Points • Behavior Recognition via Sparse Spatio-Temporal Features • Towards optimal bag-of-features for object categorization and semantic retrieval • Distinctive Features from Scale-Invariant Keypoints Reading about Graphical Models of Probability Distributions, including Markov Models and Conditional Random Fields

  4. What to do next • Figure out how Markov models and CRFs can be used in detecting sequences of events

  5. Questions?

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