Method and device for segmentation of pancreas in medical image
A technology of medical images and pancreas, applied in the field of medical images, can solve problems such as segmentation difficulties and achieve precise segmentation results
Active Publication Date: 2019-11-19
SHANGHAI UNITED IMAGING HEALTHCARE
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Problems solved by technology
Because the pancreas has a large span and is closely connected with the surrounding tissues and organs, the image contrast around the organs is low, and the size and shape of the pancreas of different patients are very different, so it is very difficult to accurately segment them
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[0023] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0024] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0025] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.
[0026] It should be understood that the term "an...
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The invention discloses a method and device for segmenting the pancreas in a medical image. The method comprises the following steps: obtaining a medical image of the abdomen of an examinee, and the medical image of the abdomen includes the pancreas; The region of interest at the end of the pancreas; segment the pancreas in the region of interest on the cross-section to obtain the initial segmentation results; start from the tail of the pancreas, segment the part of the pancreas in the initial segmentation results on the sagittal plane to obtain the The initial reference layer for the segmentation of the pancreas in the medical image; from the initial reference layer to the head end of the pancreas and the tail end of the pancreas, the pancreas in the abdominal medical image is segmented on the sagittal plane to obtain the pancreas in the abdominal medical image Split results. The method and device of the present invention can realize automatic and precise segmentation of the pancreas.
Description
【Technical field】 [0001] The invention relates to the field of medical images, in particular to a method for segmenting pancreas in medical images. 【Background technique】 [0002] Computer-assisted radiation therapy is one of the three mainstream therapies at present. A basic prerequisite for its successful treatment of cancer is to confirm the location and size of the tumor while protecting key organs around the lesion. Therefore, accurate and efficient extraction of key organ contours and gross tumor volume (GTV, gross tumor volume) is a key step in adaptive radiation therapy and surgical navigation, and has very important research significance. The pancreas is closely related to the liver, stomach, small intestine, spleen, etc. Once a tumor appears in one of them, tumor invasion is likely to occur. Moreover, pancreatic cancer itself is a highly malignant tumor of the digestive tract that is difficult to diagnose and treat. . Therefore, for patients with abdominal lesion...
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IPC IPC(8): G06T7/11G06T7/136G06K9/32
CPCG06T2207/10088G06T2207/10081G06T2207/30096G06V10/25
Inventor 马金凤李强韩妙飞
Owner SHANGHAI UNITED IMAGING HEALTHCARE