Image quality based comparative evaluation of wavelet filters in ultrasound speckle reduction.
Ashish ThakurR. S. AnandPublished in: Digit. Signal Process. (2005)
Keyphrases
- comparative evaluation
- speckle reduction
- image quality
- wavelet filters
- ultrasound images
- data compression
- wavelet transform
- compression ratio
- speckle noise
- median filter
- subband
- filter bank
- bit rate
- pixel values
- edge preserving
- discrete wavelet transform
- anisotropic diffusion
- shift invariant
- high quality
- wavelet domain
- human visual system
- image data
- texture features
- wavelet decomposition
- visual quality
- sar images
- multiresolution
- palmprint
- multiscale
- image compression
- wavelet packet
- noise reduction
- low contrast
- contrast enhancement
- wavelet coefficients
- synthetic aperture radar
- compression algorithm
- computer vision
- denoising
- image features
- color images
- image enhancement
- high frequency
- co occurrence
- feature extraction
- face recognition