Multiple Learned Dictionaries Based Clustered Sparse Coding for the Super-Resolution of Single Text Image.
Rim WalhaFadoua DriraFrank LebourgeoisChristophe GarciaAdel M. AlimiPublished in: ICDAR (2013)
Keyphrases
- single image super resolution
- sparse coding
- super resolution
- high resolution
- low resolution images
- low resolution
- dictionary learning
- image classification
- sparse representation
- image super resolution
- image representation
- natural images
- image patches
- high resolution images
- super resolution algorithm
- super resolved
- super resolution reconstruction
- image restoration
- test images
- linear combination
- unsupervised learning
- multi frame
- high quality
- multiscale
- input image
- motion estimation
- image features
- sparse codes
- generative model
- feature space
- image reconstruction
- degraded images
- image data
- spatial resolution
- image segmentation
- bag of words
- depth map
- image synthesis
- compressive sensing
- higher order
- image prior
- denoising
- object recognition
- similarity measure