Sparse representation optimization of Gaussian mixed feature of image based on convolution neural network.
Yuguang YePublished in: Soft Comput. (2022)
Keyphrases
- sparse representation
- neural network
- joint optimization
- dictionary learning
- sparse coding
- norm minimization
- compressed sensing
- image classification
- image representation
- image patches
- reconstruction error
- image features
- random projections
- compressive sensing
- regularized least squares
- face recognition
- signal processing
- image processing
- sparse approximations
- sparse reconstruction
- negative matrix factorization
- feature vectors
- gaussian kernel
- computer vision
- data sets
- dimensionality reduction
- piecewise smooth
- pattern recognition
- test images
- high dimensional data
- image data
- training set
- similarity measure