Keyphrases
- dense sampling
- random sampling
- keypoints
- shape descriptors
- sample size
- unit sphere
- frequency domain
- monte carlo
- neural network
- zernike moments
- rotationally invariant
- sampling rate
- sampling algorithm
- rotation invariant
- active learning
- image descriptors
- sift descriptors
- object retrieval
- sampling strategy
- polar coordinates
- fourier transform
- sampling strategies
- scale space