Generalised homomorphic and root filtering in 2D-nonseparable discrete linear canonical transform domains in the image enhancement applications.
Shobha SharmaTarun VarmaPublished in: Int. J. Comput. Vis. Robotics (2023)
Keyphrases
- image enhancement
- median filter
- transfer function
- noise removal
- low pass filter
- image processing
- unsharp masking
- image analysis
- image processing and analysis
- color image enhancement
- contrast enhancement
- histogram equalization
- edge detection
- translation invariant
- high pass
- image contrast enhancement
- wavelet transform
- gamma correction
- shock filter
- partial differential equations
- enhanced image
- minutiae extraction
- filter bank
- image data
- pattern recognition