Keyphrases
- image super resolution
- scene text
- text detection
- natural scene images
- maximum a posteriori
- low resolution
- super resolution
- dictionary learning
- text regions
- image registration
- complex background
- high resolution
- video frames
- edge preserving
- image patches
- text lines
- map estimation
- text mining
- text information
- object recognition
- image processing
- input image
- image retrieval