Crack Image Enhancement of Track Beam Surface Based on Nonsubsampled Contourlet Transform.
Chunhua GuoTongqing WangPublished in: LSMS/ICSEE (1) (2010)
Keyphrases
- intensity images
- image enhancement
- nonsubsampled contourlet transform
- image processing
- image fusion
- range images
- infrared
- edge detection
- image analysis
- contrast enhancement
- noise removal
- median filter
- histogram equalization
- image contrast enhancement
- partial differential equations
- contourlet transform
- frequency domain
- texture classification
- image segmentation