Histogram statistics based variance controlled adaptive threshold in anisotropic diffusion for low contrast image enhancement.
Nafis Uddin KhanK. V. AryaManisha PattanaikPublished in: Signal Process. (2013)
Keyphrases
- anisotropic diffusion
- low contrast
- image enhancement
- contrast enhancement
- histogram equalization
- partial differential equations
- edge detection
- enhanced image
- gray level
- noise removal
- image processing
- speckle noise
- edge preserving
- diffusion equation
- image analysis
- noisy images
- edge enhancement
- nonlinear diffusion
- blood vessels
- multiscale
- median filter
- edge detector
- fully automatic
- ultrasound images
- impulse noise
- color histogram
- mathematical morphology
- scale space
- motion estimation
- image data
- pattern recognition
- computer vision