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Progress Report: Week 7 Alvaro Velasquez

Progress Report: Week 7 Alvaro Velasquez. Accomplishments. Learned a dictionary for the cuboids using KSVD. Obtained a sparse coefficient matrix using sparse coding with graph regularization (This is the same framework that was used for the tracking in previous presentations).

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Progress Report: Week 7 Alvaro Velasquez

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  1. Progress Report: Week 7 Alvaro Velasquez

  2. Accomplishments • Learned a dictionary for the cuboids using KSVD. • Obtained a sparse coefficient matrix using sparse coding with graph regularization (This is the same framework that was used for the tracking in previous presentations). • Clustered cuboids into 6, 8, and 20 clusters using kmeans.

  3. 6 Clusters

  4. 8 Clusters

  5. 20 Clusters

  6. Work for this Week • Further exploit the geometry of the image volume by choosing the initial cluster centroid locations using a max voting scheme on the sparse coefficient matrix. • Apply framework to a sequence of temporal blocks (We are currently using a single temporal block consisting of 4 frames).

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