Enhancement of the Visual Quality of Scanned Documents.
Roumen KountchevMariofanna G. MilanovaVladimir TodorovRoumiana KountchevaPublished in: IRI (2007)
Keyphrases
- visual quality
- scanned documents
- contrast enhancement
- enhanced image
- image quality
- high frequency
- document images
- bit rate
- human visual system
- color restoration
- noise removal
- optical character recognition
- image enhancement
- peak signal to noise ratio
- text detection
- dynamic range compression
- perceptual quality
- computational complexity
- visual information
- video coding
- subband
- image analysis
- high level