A Sparse Coding Based Approach for the Resolution Enhancement and Restoration of Printed and Handwritten Textual Images.
Rim WalhaFadoua DriraAdel M. AlimiFrank LebourgeoisChristophe GarciaPublished in: ICFHR (2014)
Keyphrases
- resolution enhancement
- sparse coding
- image classification
- natural images
- sparse representation
- image features
- input image
- super resolution
- ground truth
- object recognition
- image restoration
- low resolution
- image resolution
- image data
- similarity measure
- small number
- image representation
- test images
- visual analysis
- higher resolution
- image retrieval
- generative model
- computer vision
- high resolution
- bag of words
- image matching
- multiscale
- multiresolution