Noise reduction in digital radiography by wavelet packet using nonlinear correlation threshold.
Takahide OkamotoShigeru FuruiHiroshi IchijiShin'ya YoshinoJianming LuTakashi YahagiPublished in: Medical Imaging: Image Processing (2005)
Keyphrases
- noise reduction
- wavelet packet
- denoising
- filter bank
- signal to noise ratio
- nonlinear diffusion
- edge preserving
- wavelet packet transform
- soft thresholding
- edge detection
- median filter
- subband
- wavelet packet decomposition
- noisy environments
- noise removal
- frequency band
- image coding
- translation invariant
- image denoising
- multiscale
- wavelet transform
- quadtree
- shift invariant
- impulse noise
- non stationary
- wavelet decomposition