Enhancing MRI Brain Images Using Contourlet Transform and Adaptive Histogram Equalization.
J. MurugachandravelS. AnandPublished in: J. Medical Imaging Health Informatics (2021)
Keyphrases
- contourlet transform
- mri brain images
- adaptive histogram equalization
- directional filter banks
- multiscale
- brain images
- contrast enhancement
- subband
- multiresolution
- mri images
- translation invariant
- texture images
- image denoising
- image fusion
- discrete wavelet transform
- high frequency
- image representation
- inhomogeneity correction
- low frequency
- wavelet transform
- fusion method
- denoising
- magnetic resonance images
- retinal images
- natural images
- medical images
- wavelet coefficients
- magnetic resonance
- wavelet domain
- texture analysis
- bit rate
- image analysis
- feature vectors
- high quality