Inspec keywords: image denoising; image filtering

Other keywords: block-matching; nonlocal total variation model; image denoising; highly degenerated images; preprocessed image; BM3D algorithm; denoising performance; three-dimensional filtering algorithm; weight function; split Bregman algorithm; NLTV model; NLTV regularisation term; energy functional

Subjects: Signal processing theory; Filtering methods in signal processing; Optical, image and video signal processing; Computer vision and image processing techniques