Clustering K-SVD for sparse representation of images.
Jun FuHaikuo YuanRongqiang ZhaoLuquan RenPublished in: EURASIP J. Adv. Signal Process. (2019)
Keyphrases
- sparse representation
- test images
- image classification
- dictionary learning
- piecewise smooth
- sparse coding
- sparse reconstruction
- basis vectors
- image representation
- compressive sensing
- high dimensional data
- image patches
- joint optimization
- face recognition
- reconstruction error
- signal processing
- compressed sensing
- image retrieval
- random projections
- clustering algorithm
- object recognition
- image features
- image data
- ground truth
- unsupervised learning
- sparse coefficients
- spectral clustering
- bag of words
- input data
- k means
- feature extraction
- image processing
- machine learning