Degraded color document image enhancement based on NRCIR.
Shaohua ChenAzeddine BeghdadiMohamed CherietPublished in: EUVIP (2010)
Keyphrases
- image enhancement
- color image enhancement
- histogram equalization
- multi scale retinex
- image processing
- image analysis
- homomorphic filtering
- color images
- digital image processing
- noise removal
- dynamic range compression
- image processing and analysis
- enhanced image
- digital camera
- median filter
- color restoration
- image contrast enhancement
- contrast enhancement
- color information
- gamma correction
- edge detection
- color space
- partial differential equations
- image contrast
- unsharp masking
- color constancy
- transfer function
- fingerprint images
- high frequency
- co occurrence
- high resolution
- pattern recognition