Automatic heart wall contour extraction from MR images using active contour models: Initial contour setting based on principal component analysis.
Mayumi YuasaMutsumi WatanabeMasahide NishiuraKojiro YamaguchiTakeshi KondoHirofumi AnnoKouichi MutoPublished in: Systems and Computers in Japan (2003)
Keyphrases
- snake model
- mr images
- active contour model
- contour extraction
- active contours
- magnetic resonance
- medical images
- manual segmentation
- magnetic resonance images
- perceptual grouping
- deformable models
- curve evolution
- mri data
- image data
- edge detection
- gradient vector flow
- force field
- energy minimization
- segmentation method
- region growing
- b spline
- level set method
- external force
- semi automatic
- image segmentation
- level set
- energy functional
- fully automatic
- image processing
- object boundaries
- natural images
- feature points
- least squares
- object detection
- shape prior