Search International and National Patent Collections

1. (WO2018120644) BLOOD VESSEL EXTRACTION METHOD AND SYSTEM

Pub. No.:    WO/2018/120644    International Application No.:    PCT/CN2017/086560
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Thu Jun 01 01:59:59 CEST 2017
IPC: G06K 9/00
Applicants: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
上海联影医疗科技有限公司
Inventors: MAO, Yufei
毛玉妃
MA, Jieyan
马杰延
WU, Ke
吴珂
Title: BLOOD VESSEL EXTRACTION METHOD AND SYSTEM
Abstract:
Disclosed are a blood vessel extraction method and system. The method comprises: obtaining an image, the image comprising a part representing a blood vessel; obtaining a first image; obtaining a second image; generating a subtraction image according to the first image and the second image, the subtraction image comprising at least a part of the part representing the blood vessel in the image; determining at least one vascular seed point set according to a first condition and the subtraction image, the vascular seed point set comprising at least one vascular seed point; determining at least one vascular threshold according to at least one boundary distance field image of the subtraction image; and performing region growing in the image according to the vascular seed point set and the at least one vascular threshold to obtain a target vascular image.