Low Dose CT Image Reconstruction Based on Structure Tensor Total Variation Using Accelerated Fast Iterative Shrinkage Thresholding Algorithm.
Junfeng WuXiaofeng WangXuanqin MouYang ChenShuguang LiuPublished in: Sensors (2020)
Keyphrases
- image reconstruction
- total variation
- computed tomography
- structure tensor
- nonlinear diffusion
- image denoising
- denoising
- ct scans
- computer tomography
- super resolution
- noisy images
- natural images
- image restoration
- wavelet domain
- image processing
- optical flow
- convex optimization
- regularization term
- anisotropic diffusion
- synthetic aperture radar
- radon transform
- inverse problems
- medical images
- partial differential equations
- wavelet coefficients
- edge information
- multiscale
- high quality
- image quality
- gaussian noise
- imaging modalities
- positron emission tomography