Super-resolution image reconstruction via patch haar wavelet feature extraction combined with sparse coding.
Xuan ZhuBenyuan LiJiyao TaoBo JiangPublished in: ICIA (2015)
Keyphrases
- sparse coding
- image patches
- haar wavelet
- feature extraction
- super resolution image reconstruction
- image classification
- sparse representation
- dictionary learning
- super resolution
- natural images
- feature vectors
- feature space
- wavelet transform
- linear combination
- image representation
- low resolution
- unsupervised learning
- generative model
- pattern recognition
- face recognition
- low resolution images
- multi frame
- higher order
- dimensionality reduction
- high resolution
- super resolution reconstruction
- multiscale
- high resolution images
- feature selection
- computer vision
- frequency domain
- machine learning
- principal component analysis
- input image
- probabilistic model
- high dimensional
- object recognition