Single-Image Super-Resolution Reconstruction via Learned Geometric Dictionaries and Clustered Sparse Coding.
Shuyuan YangMin WangYiguang ChenYaxin SunPublished in: IEEE Trans. Image Process. (2012)
Keyphrases
- single image super resolution
- sparse coding
- sparse representation
- dictionary learning
- natural images
- image classification
- unsupervised learning
- linear combination
- sparse codes
- image representation
- image patches
- generative model
- visual words
- high dimensional
- low resolution
- feature space
- super resolution
- compressive sensing
- high resolution
- natural scenes
- multiscale
- image denoising
- high dimensional data
- signal processing
- image prior
- nearest neighbor
- face recognition
- discriminative dictionary