公开(公告)号：US20150317793A1

公开(公告)日：2015-11-05

申请号：US14698894

申请日：2015-04-29

Applicant: Huazhong University of Science and Technology

Inventor： Tianxu ZHANG ,  Yining HUANG ,  Zhenghua HUANG ,  Yaxun WEI ,  Longwei HAO

IPC: G06T7/00 ,  G06T5/50 ,  G06T7/20

CPC classification number: G06T7/0012 ,  G06T5/50 ,  G06T7/20 ,  G06T7/246 ,  G06T7/262 ,  G06T2207/10116 ,  G06T2207/20224 ,  G06T2207/30048 ,  G06T2207/30101 ,  G06T2211/404

Abstract: A method for separating and estimating multiple motion parameters in an X-ray angiogram image. The method includes: determining a cardiac motion signal cycle and a variation frame sequence of translational motion according to an angiogram image sequence, tracing structure feature points of vessels in the angiogram image sequence whereby obtaining a motion sequence, processing the motion sequence via multivariable optimization and Fourier frequency-domain filtering, separating an optimum translational motion curve, a cardiac motion curve, a respiratory motion curve and a high-frequency motion curve according to the variation frame sequence of translational motion, a cycle of the cardiac motion signal, a range of a respiratory motion signal cycle, and a range of a high-frequency motion signal cycle.

Abstract translation: 一种用于在X射线血管造影图像中分离和估计多个运动参数的方法。 该方法包括：根据血管造影图像序列确定心脏运动信号循环和平移运动的变化帧序列，跟踪血管造影图像序列中血管的结构特征点，从而获得运动序列，通过多变量优化处理运动序列;以及 傅里叶频域滤波，根据平移运动的变化帧序列分离最佳平移运动曲线，心脏运动曲线，呼吸运动曲线和高频运动曲线，心脏运动信号的周期， 呼吸运动信号周期以及高频运动信号周期的范围。