Automatic quantification of regional left ventricular deformation in volumetric ultrasound data remains challenging. Many methods have been proposed to extract myocardial motion, including techniques using block matching, phase-based correlation, dif

Motion estimation is the process of determining motion vectors that describe the transformation from one 2D image to another usually from adjacent frames in a video sequence. It is an ill-posed problem as the motion is in three dimensions but the ima

针对目前大多数形状特征描述的全局性以及对旋转 缩放等变化的敏感性， 采用一种基于目标近似多边形的形状特征描述， 这种描述方式具有局部性和紧凑性， 同时结合运动参数预测及递归估计的方法实现二维目标的检测和定位-Most shape for the global characterization of and sensitivity to changes in the rotation scaling, using a polygon shape based on characteristics o