Joint group and residual sparse coding for image compressive sensing.
Lizhao LiSong XiaoYimin ZhaoPublished in: Neurocomputing (2020)
Keyphrases
- compressive sensing
- sparse coding
- image representation
- sparse representation
- learned dictionary
- image classification
- single image super resolution
- compressive sampling
- group sparsity
- dictionary learning
- test images
- multiscale
- input image
- image features
- image retrieval
- image data
- natural images
- compressed sensing
- random projections
- unsupervised learning
- image segmentation
- high resolution
- image patches
- feature space
- similarity measure
- face recognition
- linear combination
- bag of words
- generative model
- discriminative power
- feature extraction
- high dimensional data
- signal processing
- supervised learning
- high quality