Geometry constrained sparse coding for single image super-resolution.
Xiaoqiang LuHaoliang YuanPingkun YanYuan YuanXuelong LiPublished in: CVPR (2012)
Keyphrases
- single image super resolution
- sparse coding
- dictionary learning
- sparse representation
- natural images
- generative model
- linear combination
- image classification
- image representation
- unsupervised learning
- image patches
- super resolution
- feature space
- low resolution
- machine learning
- higher order
- multiscale
- semi supervised
- visual words
- image processing