BM3D-GT&AD: an improved BM3D denoising algorithm based on Gaussian threshold and angular distance.
Qinping FengShuping TaoChao XuGuang JinPublished in: IET Image Process. (2020)
Keyphrases
- denoising algorithm
- denoising
- gaussian noise
- image denoising
- cone beam computed tomography
- noisy images
- nonlocal means
- noise level
- noise model
- noise reduction
- transform domain
- wavelet coefficients
- wavelet domain
- gaussian filter
- maximum likelihood
- image processing
- gaussian mixture model
- computer vision
- natural images
- multiresolution
- denoising methods
- signal to noise ratio
- gaussian distribution
- gray scale
- image restoration
- high resolution
- feature selection