GVF and CV Model-Based Pulmonary Artery Edge Detection of CTPA Image Sequence.
Xin GuoHongfang YuanZhou WenMin LiuHuaqing WangPublished in: CISP-BMEI (2018)
Keyphrases
- edge detection
- gradient vector flow
- active contours
- image sequences
- snake model
- edge map
- contour extraction
- active contour model
- force field
- image enhancement
- noisy images
- gradient vectors
- external force
- multiscale
- edge detector
- anisotropic diffusion
- vector field
- video sequences
- edge preserving
- edge information
- optical flow
- diffusion process
- object boundaries
- image processing
- flow field
- region growing
- noise reduction
- motion field
- motion detection
- level set
- three dimensional
- smoothness constraint
- image segmentation
- automatic segmentation
- background subtraction
- depth map
- d objects
- improved algorithm
- x ray
- moving objects
- motion analysis
- feature points
- camera motion