Wavelet-domain color image enhancement using filtered directional bases and frequency-adaptive shrinkage.
Sangjin KimWonseok KangEunsung LeeJoonki PaikPublished in: IEEE Trans. Consumer Electron. (2010)
Keyphrases
- wavelet domain
- color image enhancement
- human visual system
- low pass
- complex wavelet transform
- high pass
- denoising
- discrete wavelet transform
- wavelet coefficients
- spatial domain
- wavelet decomposition
- image denoising
- subband
- multiresolution
- wavelet transform
- high frequency
- low frequency
- shift invariant
- multiscale
- dual tree
- image enhancement
- image quality
- visual quality
- wavelet basis
- visual information
- frequency domain
- contourlet transform
- wavelet denoising
- shrinkage functions
- phase information
- higher order
- motion estimation
- color images
- image processing
- basis functions
- bit rate
- image compression