Self-Organized Maps and High-Frequency Image Detail for MRI Image Enhancement.
Khodabakhsh AhmadianHamid-Reza Reza-AlikhaniPublished in: IEEE Access (2021)
Keyphrases
- high frequency
- image enhancement
- low frequency
- high resolution
- contrast enhancement
- histogram equalization
- image analysis
- edge detection
- high frequency components
- visual quality
- homomorphic filtering
- image contrast enhancement
- enhanced image
- image processing
- low pass
- unsharp masking
- wavelet decomposition
- high pass
- color restoration
- multiscale
- discrete wavelet transform
- image segmentation
- image data
- image contrast
- input image
- numerical analysis
- frequency domain
- median filter
- subband
- pattern recognition
- digital camera
- super resolution
- single image
- transfer function
- remote sensing
- intensity images
- wavelet transform
- gray scale
- low contrast
- wavelet coefficients
- human visual system
- multiresolution
- spatial domain