Improved sub-band adaptive thresholding function for denoising of satellite image based on evolutionary algorithms.
Vivek SoniAshish Kumar BhandariAnil KumarGirish Kumar SinghPublished in: IET Signal Process. (2013)
Keyphrases
- evolutionary algorithm
- denoising
- adaptive thresholding
- subband
- wavelet domain
- discrete wavelet transform
- image denoising
- filter bank
- contourlet transform
- wavelet packet
- wavelet coefficients
- high frequency
- multiresolution
- frequency domain
- bit rate
- locally adaptive
- wavelet transform
- feature vectors
- image compression
- low pass
- lifting scheme
- low frequency
- wavelet decomposition
- natural images
- image processing
- noisy images
- image enhancement
- machine learning
- mr images
- denoising methods