Keyphrases
- contour extraction
- snake model
- active contours
- image data
- human motion tracking
- active contour model
- image gradient
- image features
- force field
- image segmentation
- input image
- edge map
- single image
- segmentation algorithm
- image structure
- perceptual grouping
- edge detection
- multiscale
- fourier descriptors
- b spline
- segmentation method
- external force
- high quality
- energy functional
- reconstruction method
- energy function
- gradient vector flow