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

Thomas O'Donnell, Alok Gupta, T. Boult
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引用次数: 13

Abstract

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.
一种具有局部变形的周期广义圆柱模型,用于跟踪具有重复运动的闭合轮廓
周期数据通常最适合用周期模型来描述。这允许将跟踪纳入模型拟合,并作为一种随时间插值数据的自然方法。提出了一种可变形周期广义圆柱(DPGC),用于同时建模和跟踪具有重复运动的闭合轮廓。给出了从超声分割数据中恢复跳动左心室(BLV)投影的结果,以及从一系列磁共振图像切片中分割出左心室横截面的结果。
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