Method and system for locating ribs in medical images

A medical image and positioning method technology, applied in the field of image processing, to achieve the effect of improving processing speed, improving accuracy, and accurate positioning

Active Publication Date: 2018-10-09
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to propose a blood vessel extraction method and its system, which can effectively improve the existing rib positioning method and remove the influence of ribs on blood vessel extraction

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  • Method and system for locating ribs in medical images
  • Method and system for locating ribs in medical images
  • Method and system for locating ribs in medical images

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Embodiment Construction

[0047] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar extensions without violating the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0048] Secondly, the present invention is described in detail by means of schematic diagrams. When describing the embodiments of the present invention in detail, for convenience of explanation, the schematic diagrams are only examples, which should not limit the protection scope of the present invention. To make the above objects, features and advantages of the present invention more obvious and comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompa...

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Abstract

The invention discloses a rib positioning method in a medical image and a system thereof. The method includes steps of acquiring a medical image containing several layers of two-dimensional images; according to the medical image, extracting a skeleton organization and acquiring a first image; projecting the first image along the first direction and acquiring the projection image; according to the projection image, confirming a vertebra zone, and acquiring a mask image; in the first image, acquiring a second image on the basis of the mask image; performing a connected component analysis on the second image, and extracting the rib positioning result. The positioning method and system thereof can effectively improve the current rib positioning method, remove influence of the rib on the blood vessel extraction, and improve the accuracy of medical diagnosis and treatment.

Description

【Technical field】 [0001] The invention relates to the field of image processing, in particular to a method and system for locating ribs in medical images. 【Background technique】 [0002] Vascular imaging techniques include CT angiography (CTA, CT angiography), magnetic resonance angiography (Magnetic Resonance Angiography, MRA), and MR non-contrast imaging. Vascular imaging technology is one of the important methods for diagnosing vascular diseases at present, and it is mainly used in clinical diagnosis and treatment of various vascular diseases, such as aneurysm, vascular stenosis, and vascular calcification. [0003] Because the CT values ​​of blood vessels and other tissues such as bones in CTA images overlap, and the morphology of bone tissues such as ribs is also a tubular structure, which is similar to blood vessels, the current main blood vessel segmentation methods such as region growth and dynamic contours can easily divide bones, etc. Tissues are mistakenly extrac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00G06T7/11G06T7/73
CPCG06T7/0012G06T2207/30008G06T2207/30101
Inventor 毛玉妃吴柯
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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