Keyphrases
- image super resolution
- scene text
- text detection
- natural scene images
- maximum a posteriori
- dictionary learning
- low resolution
- super resolution
- text regions
- text information
- map estimation
- complex background
- image registration
- text mining
- video frames
- high resolution
- image patches
- connected components
- textual information
- edge preserving
- multiscale
- sparse representation
- graph cuts
- feature vectors