Image Enhancement by Using DirectionalWavelet Transform.
Dusan HericBozidar PotocnikPublished in: J. Comput. Inf. Technol. (2006)
Keyphrases
- image enhancement
- image processing and analysis
- image processing
- image analysis
- edge detection
- contrast enhancement
- histogram equalization
- color image enhancement
- digital image processing
- numerical analysis
- median filter
- unsharp masking
- image contrast enhancement
- partial differential equations
- pattern recognition
- enhanced image
- minutiae extraction
- visual information
- gamma correction