Weighted Joint Sparse Representation for Removing Mixed Noise in Image.
Licheng LiuLong ChenC. L. Philip ChenYuan Yan TangChi-Man PunPublished in: IEEE Trans. Cybern. (2017)
Keyphrases
- sparse representation
- image classification
- test images
- image representation
- reconstruction error
- dictionary learning
- piecewise smooth
- image features
- image data
- joint optimization
- sparse coding
- single image
- image super resolution
- input image
- face recognition
- sparse coefficients
- gaussian noise
- basis vectors
- image retrieval
- noise level
- high resolution
- compressive sensing
- regularized least squares
- natural images
- random projections
- compressed sensing
- image segmentation
- image regions
- high dimensional data
- computer vision
- feature selection
- feature extraction
- similarity measure
- order statistics
- signal to noise ratio
- image patches