A periodic generalized cylinder model with local deformations for tracking closed contours exhibiting repeating motion

Periodic data is often most appropriately described with a periodic model. This allows for the subsumption of tracking into model fitting and a natural method for the interpolation of data over time. We present a deformable periodic generalized cylinder (DPGC) for simultaneously modeling and tracking closed contours which exhibit a repeating motion. Results of the recovery of the projection of a beating left ventricle (BLV) from segmented ultrasound data as well as the segmentation of a BLV cross section from series of MR image slices are presented.