Image super-resolution via dual-dictionary learning and sparse representation.
Jian ZhangChen ZhaoRuiqin XiongSiwei MaDebin ZhaoPublished in: ISCAS (2012)
Keyphrases
- dictionary learning
- image super resolution
- sparse representation
- sparse coding
- image classification
- face recognition
- group sparsity
- class specific
- sparsity constraints
- image patches
- signal processing
- high dimensional data
- sparse codes
- test images
- image representation
- dimensionality reduction
- small number
- compressive sensing
- image processing
- neural network
- face images
- denoising
- high dimensional
- computer vision
- machine learning