Image compressive sensing via hybrid regularization combining centralized group sparse representation and deep denoiser prior.
Jin XuZhizhong FuPublished in: J. Vis. Commun. Image Represent. (2023)
Keyphrases
- compressive sensing
- sparse representation
- compressive sampling
- image representation
- image classification
- test images
- learned dictionary
- sparse reconstruction
- random projections
- dictionary learning
- structured sparsity
- sparse coding
- signal processing
- sparse coefficients
- multiscale
- image data
- image patches
- orthogonal matching pursuit
- group sparsity
- image features
- compressed sensing
- input image
- image retrieval
- image segmentation
- high resolution
- visual words
- bag of words
- high dimensional data
- similarity measure
- dimensionality reduction
- norm minimization
- data sets
- computer vision
- image processing
- linear combination
- machine learning