Denoising Brain Images with the Aid of Discrete Wavelet Transform and Monarch Butterfly Optimization with Different Noises.
T. E. AravindanR. SeshasayananPublished in: J. Medical Syst. (2018)
Keyphrases
- discrete wavelet transform
- brain images
- denoising
- wavelet domain
- image denoising
- medical images
- shift invariant
- multiresolution
- dual tree
- wavelet coefficients
- natural images
- subband
- high frequency
- human brain
- magnetic resonance
- mr brain images
- noisy images
- image processing
- white matter
- wavelet packet
- haar wavelet transform
- human subjects
- denoising algorithm
- spatial domain
- frequency domain
- wavelet transform
- image fusion
- human visual system
- image compression
- feature vectors
- object recognition