Keyphrases
- vector field
- rotation invariant
- shape context
- texture descriptors
- invariant descriptors
- feature vectors
- rotation invariance
- steerable filters
- image patches
- texture analysis
- optical flow
- texture classification
- velocity field
- scale invariance
- zernike moments
- texture features
- gabor filters
- local binary pattern
- texture images
- keypoints
- natural images
- orientation estimation
- image analysis