Coronary artery reconstruction method and device, electronic equipment and storage medium

Abstract

The embodiment of the invention discloses a coronary artery reconstruction method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring an initial coronary artery image to be segmented, performing gray normalization on the initial coronary artery image to obtain a target coronary artery image, and dividing the target coronary artery image into at least one image block to be segmented; respectively determining a coronary artery initial key point, a radius and an actual extension direction of a coronary artery to be segmented in each image block to be segmented, and determining a new coronary artery key point based on the coronary artery origin point, the radius and the actual extension direction; segmenting coronary artery blocks in the to-be-segmented image blocks based on the initial coronary artery key points, the newly added coronary artery key points, the radius of the to-be-segmented coronary artery and the actual extension direction; and determining a target coronary artery image of the initial coronary artery image based on the segmented coronary artery block of each to-be-segmented image block. According to the technical scheme, accurate coronary artery segmentation can be realized, enough fine branches can be segmented under the condition that motion artifacts and coronary artery plaques exist, and the robustness is high.

Description

technical field [0001] Embodiments of the present invention relate to image processing technologies, and in particular, to a coronary artery reconstruction method, device, electronic equipment, and storage medium. Background technique [0002] With the improvement of medical level and the continuous development of medical imaging technology, doctors can understand cardiovascular diseases more intuitively through medical imaging. As one of the common cardiovascular diseases, coronary heart disease seriously endangers the health of patients. Coronary CT angiography (Computed Tomography Angiography, CTA) has the advantages of low price, simple operation and non-interventional imaging, and is one of the most commonly used methods for early screening of coronary heart disease. Successful scanning is the basis for successful coronary CTA, but the significance of later reconstruction of images cannot be ignored. [0003] The reconstruction of the coronary arteries of the heart ha...

AI Technical Summary

Problems solved by technology

[0003] The reconstruction of the coronary arteries of the heart has always been a difficult point. The main reasons are: 1) the structure of the coronary arteries is complex, with many branched small blood vessels; 3) There may be various complex lesions in the coronary arteries; 4) The movement of the heart will affect the imaging effect of the coronary arteries; 5) There are many veins intersecting with the coronary arteries in the heart. There is a phenomenon that veins are connected to coronary arteries, and it is easy to have false positives for segmented veins

[0004] The existing coronary artery reconstruction method is difficult to effectively distinguish coronary and venous false positives, especially in the presence of motion artifacts and coronary plaques, it is difficult to segment small enough branches, and the robustness is very low

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