Zonal-Alpha-Rooting Color Image Enhancement by the Two-Side 2D Quaternion Discrete Fourier Transform.
Artyom M. GrigoryanAparna JohnSos S. AgaianPublished in: Image Processing: Algorithms and Systems (2016)
Keyphrases
- discrete fourier transform
- color image enhancement
- image enhancement
- fourier transform
- frequency domain
- image processing
- signal processing
- image analysis
- radon transform
- edge detection
- histogram equalization
- image contrast
- contrast enhancement
- transfer function
- fourier coefficients
- denoising
- color images
- face recognition