VASCULAR STENOSIS ANALYSIS METHOD AND APPARATUS

WIPO Patent Application WO/2022/095895

A1

Disclosed is a vascular stenosis analysis method. The method comprises: firstly, determining, from a target heart CT angiography image, a target image area that comprises blood vessels and plaques; performing segmentation by using the target image area, so as to obtain a segmented blood vessel image and a segmented plaque image; and according to the segmented blood vessel image and the segmented plaque image, determining a target vascular stenosis analysis result corresponding to the target heart CT angiography image. In this way, since the plaque size is very small compared with blood vessels and a background, and a large amount of redundant information is removed from a target image area relative to a target heart CT angiography image, a pre-set segmentation model is not subjected to the interference of a large amount of redundant information in the target heart CT angiography image, and plaques and blood vessels in the target image area are accurately segmented, that is, the segmentation accuracy of plaques and blood vessels is improved, and therefore, the accuracy of a target vascular stenosis analysis result corresponding to the target heart CT angiography image can be improved.

WANG SIWEN (CN)
ZHANG FANDONG (CN)
YU YIZHOU (CN)
LI YIMING (CN)
QIAO XIN (CN)

PCT/CN2021/128410

May 12, 2022

November 03, 2021

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HANGZHOU SHENRUI BOLIAN TECH CO LTD (CN)
BEIJING SHENRUI BOLIAN TECH CO LTD (CN)

G06T7/00

CN112288731A	2021-01-29
CN109410182A	2019-03-01
CN111833343A	2020-10-27
US20120189181A1	2012-07-26

BEIJING TIANFANG ZHILI INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)

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