- Generate bottom-up multiple obj-vs-background region using binary graph-cuts
- Generate second order pooling features on each region
- extract dense SIFT (dense points inside a region)>create covariance matrix (hence second order)->take max/avg on the covariance matrix
- Learn simple linear-svm classifier to classify region
- Semantic Segmentation done by sequentially overlaying the classified regions
- Does better than Berkeley vision classification on PASCAL VOC challenge.
- No codebook required to learn
- Emphasizes pooling operations
- Unlike first order max/average pooling, emphasizes second order pooling which results into better features (experimentally)
- Faster learning/classification due to simple classifier unlike kernel-svms
Jan 24, 2017
Semantic Segmentation
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