-boosting on clustered sparse coefficients for single image super-resolution.
Yulan HanYongping ZhaoHaifeng YuPublished in: IET Comput. Vis. (2017)
Keyphrases
- single image super resolution
- sparse coefficients
- sparse coding
- sparse representation
- dictionary learning
- natural images
- image patches
- image classification
- unsupervised learning
- generative model
- linear combination
- learning algorithm
- compressive sensing
- machine learning
- image representation
- super resolution
- face recognition
- feature selection
- visual words
- signal processing
- dimensionality reduction
- high dimensional
- feature space
- low resolution