Efficient Attributed Scatter Center Extraction Based on Image-Domain Sparse Representation.
Dongwen YangWei NiLan DuHongwei LiuJiadong WangPublished in: IEEE Trans. Signal Process. (2020)
Keyphrases
- sparse representation
- image representation
- test images
- image classification
- reconstruction error
- dictionary learning
- sparse coding
- input image
- piecewise smooth
- image features
- sparse coefficients
- single image
- sparse reconstruction
- compressive sensing
- face recognition
- image data
- multiscale
- spatial information
- random projections
- high resolution
- object tracking
- signal processing
- image retrieval
- basis vectors
- image matching
- image patches
- image regions
- high dimensional data
- image segmentation
- bag of words
- data sets
- piecewise constant
- joint optimization
- norm minimization
- image processing