IV-OCT blood vessel contour recognition method based on uniqueness of tube wall connected domain

A technology of connected domains and blood vessels, applied in the field of fully automatic morphological recognition of lumen contours, can solve problems such as poor shooting conditions and difficulty in extracting lumen contours, and achieve low signal-to-noise ratio effects
CN112308874AActive Publication Date: 2021-02-02TIANJIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TIANJIN UNIV
Publication Date
2021-02-02

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Abstract

The invention provides an intravascular optical coherence tomography intravascular wall contour automatic identification method. The method comprises the following steps: (1), processing an original image Ori; (2), identifying the inner contour of a blood vessel wall, including morphological direction and shape detection; performing morphological opening operation; excluding a non-pipe-wall connected domain; performing segmenting when the catheter is connected with the catheter wall; reconstructing an incomplete contour; and retrieving the mistakenly removed signal; and (3), performing coordinate transformation.
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Description

technical field

[0001] The present invention relates to endoscopic optical coherence tomography (Intravascular Optical Coherence Tomography, IV-OCT) covering cardiovascular, cerebrovascular and other endoscopic OCT imaging fields, especially to an IV-OCT based on the unique extraction of the connected domain of the vessel wall on the A-line - Fully automatic morphological recognition method for lumen contours of OCT vascular images. Background technique

[0002] Endoscopic optical coherence tomography is a catheter-based high-resolution imaging technique that uses near-infrared light to obtain the microstructure of the inner wall of living blood vessels. With its high resolution and high sensitivity, it can realize intravascular imaging, and can clearly display the structural features, tissue features, and even cell features of atherosclerotic plaques, and has been widely used in clinical interventional cardiology and cerebrovascular medicine. Vascular lumen contour recogni...

Claims

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