Keyphrases
- shape context
- rotation invariant
- shape recognition
- rotation invariance
- texture analysis
- thinning algorithm
- texture classification
- local binary pattern
- steerable pyramid
- scale invariance
- feature extraction
- recognition algorithm
- image analysis
- object recognition
- image matching
- binary images
- detection algorithm
- gray level
- em algorithm
- classification accuracy
- texture image retrieval
- computer vision