Guided Image Filtering Based Limited-Angle CT Reconstruction Algorithm Using Wavelet Frame.
Jiaxi WangChengxiang WangYumeng GuoWei YuLi ZengPublished in: IEEE Access (2019)
Keyphrases
- image filtering
- limited angle
- wavelet frame
- image reconstruction
- support vector regression
- tomographic reconstruction
- wavelet transform
- image restoration
- relaxation algorithm
- filter bank
- regularized least squares
- filtering method
- super resolution
- edge detection
- radon transform
- median filter
- post processing
- image data
- wavelet coefficients
- edge preserving
- homogeneous regions