A Shape Derivative Based Approach for Crowd Flow Segmentation.
Si WuZhiwen YuHau-San WongPublished in: ACCV (1) (2009)
Keyphrases
- shape prior
- level set
- segmentation algorithm
- shape model
- image segmentation
- segmentation method
- region based segmentation
- multiple scales
- statistical shape model
- multiscale
- global shape
- robust segmentation
- active shape
- graph cuts
- shape variations
- shape features
- geometric shapes
- prior shape
- brain structures
- rigidly moving
- remote sensed images
- shape matching
- medical images
- object segmentation
- fully automatic
- maximum likelihood criterion
- skeleton extraction
- prostate segmentation
- appearance cues
- shape constraints
- deformable models
- object shape
- region growing
- shape representation
- shape descriptors
- prior information
- motion segmentation
- shape properties
- perceptual grouping
- energy functional
- medical imaging
- object boundaries
- image gradient
- zero crossing
- energy function
- active contours
- image analysis