Denoising for Multiple Image Copies through Joint Sparse Representation.
Nannan YuTianshuang QiuFuquan RenPublished in: J. Math. Imaging Vis. (2013)
Keyphrases
- sparse representation
- image classification
- denoising
- image representation
- test images
- reconstruction error
- denoising algorithm
- denoising methods
- joint optimization
- sparse coding
- image features
- image data
- dictionary learning
- piecewise smooth
- image segmentation
- compressive sensing
- single image
- input image
- compressed sensing
- multiscale
- image patches
- sparse coefficients
- high resolution
- image denoising
- sparse signal representation
- edge detection
- image retrieval
- machine learning
- gaussian noise
- image regions
- object recognition
- regularized least squares
- data sets
- multiple objects
- image processing
- basis vectors
- sparse reconstruction