Title:
METHOD AND SYSTEM FOR INDEXING BLOOD VESSEL CORRESPONDING POSITIONAL RELATIONS IN MULTI-ANGLE ANGIOGRAPHY
Document Type and Number:
WIPO Patent Application WO/2018/219273
Kind Code:
A1
Abstract:
A system and method for indexing blood vessel corresponding positional relations in multi-angle angiography. The system comprises an angiograph, an angiogram receiving module, a center point calibration module, a corresponding feature point detection module, and a feature point corresponding blood vessel module. The angiograph is used for contrast imaging and collecting angiograms of multiple projected body positions. The angiogram receiving module is used for receiving the angiograms and transmitting same to the center point calibration module. The center point calibration module is used for calibrating a center point offset caused by the multi-angle angiography system and transmitting the result to the feature point detection module. The feature point detection module receives several feature points of a target blood vessel in a reference projection angle angiogram and detects corresponding feature points of a second projection angle angiogram via spatial polar constraint relations. The feature point corresponding blood vessel module is used for determining the blood vessel where the feature points are found. The system simplifies the complexity of a prior correlation detection and ensures the accuracy of the result while implementing noninvasive detection.
Inventors:
TU SHENGXIAN (CN)
YANG LULU (CN)
YANG JUNQING (CN)
ZHANG SU (CN)
YANG LULU (CN)
YANG JUNQING (CN)
ZHANG SU (CN)
Application Number:
PCT/CN2018/088858
Publication Date:
December 06, 2018
Filing Date:
May 29, 2018
Export Citation:
Assignee:
UNIV SHANGHAI JIAOTONG (CN)
International Classes:
A61B6/00
Domestic Patent References:
| WO2005020155A1 | 2005-03-03 |
Foreign References:
| CN107233106A | 2017-10-10 | |||
| CN101283911A | 2008-10-15 | |||
| US20050200624A1 | 2005-09-15 | |||
| US6381302B1 | 2002-04-30 | |||
| CN1700885A | 2005-11-23 | |||
| CN101283910A | 2008-10-15 | |||
| JP5121173B2 | 2013-01-16 |
Attorney, Agent or Firm:
WATSON & BAND INTELLECTUAL PROPERTY AGENT LTD. (CN)
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