Sparse Representation and Non-Negative Matrix Factorization for image denoise.
R. M. FaroukM. E. Abd El-azizA. M. AdamPublished in: CoRR (2018)
Keyphrases
- sparse representation
- negative matrix factorization
- image classification
- image representation
- test images
- reconstruction error
- dictionary learning
- sparse coding
- sparse coefficients
- image features
- image patches
- sparsity constraints
- face recognition
- image data
- input image
- basis vectors
- multiscale
- compressive sensing
- nonnegative matrix factorization
- signal processing
- image retrieval
- bag of words
- joint optimization
- similarity measure
- object recognition
- image segmentation
- principal component analysis
- data sets
- matrix factorization
- regularized least squares
- information retrieval
- dimensionality reduction
- subspace learning
- visual words
- neural network
- computer vision
- denoising
- feature vectors