Spectral CT reconstruction via Spectral-Image Tensor and Bidirectional Image-gradient minimization.
Weiwen WuHengyong YuFenglin LiuJianjia ZhangVarut VardhanabhutiPublished in: Comput. Biol. Medicine (2022)
Keyphrases
- image gradient
- computerized tomography
- input image
- image structure
- high resolution
- image features
- image data
- multiscale
- computer tomography
- object boundaries
- image analysis
- image reconstruction
- optical flow
- medical images
- low contrast
- image segmentation
- energy functional
- low level
- segmentation method
- region of interest
- three dimensional
- bayesian framework
- vector field
- statistical model
- image regions
- natural images
- d objects
- feature extraction