Enhancement of Underwater Color Images by Two-side 2-D Quaternion Discrete Fourier Transform.
Artyom M. GrigoryanAparna JohnSos S. AgaianPublished in: Image Processing: Algorithms and Systems (2018)
Keyphrases
- discrete fourier transform
- fourier transform
- color images
- frequency domain
- image processing
- contrast enhancement
- signal processing
- color information
- image enhancement
- color space
- fourier coefficients
- fourier series
- radon transform
- discrete cosine transform
- preprocessing
- multiscale
- color correction
- feature extraction
- computationally efficient
- multiresolution
- pattern recognition
- feature selection
- neural network