Sparse representation of images using substitution of wavelet by patches.
Salima HassairiIntidhar JemelRidha EjbaliMourad ZaiedPublished in: ICMV (2019)
Keyphrases
- sparse representation
- test images
- image classification
- image patches
- piecewise smooth
- image data
- dictionary learning
- input image
- ground truth
- object recognition
- basis vectors
- three dimensional
- natural images
- image matching
- sparse coding
- image features
- sparse reconstruction
- image set
- reconstruction error
- compressive sensing
- compressed sensing
- neural network
- image retrieval
- feature extraction
- object tracking
- image representation
- face recognition
- image segmentation
- bag of words
- image regions
- multi view
- feature space
- gaussian noise
- computer vision
- data mining
- sparsity constraints
- data sets