Heat Kernels for Non-Rigid Shape Retrieval: Sparse Representation and Efficient Classification.
Mostafa AbdelrahmanMoumen T. El-MelegyAly A. FaragPublished in: CRV (2012)
Keyphrases
- sparse representation
- shape retrieval
- dictionary learning
- image classification
- sparse coding
- support vector
- pattern recognition
- feature space
- image representation
- face recognition
- high dimensional data
- shape descriptors
- shape representation
- dimensionality reduction
- image patches
- pairwise
- unsupervised learning
- feature selection
- dynamic time warping
- feature extraction
- image processing
- feature vectors
- fourier descriptors
- shape features
- shape matching
- shape analysis
- training set
- computationally efficient
- linear combination
- feature points
- image features