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Colon polyp image data processing method based on virtual colonoscopy

A colonic polyp and image data technology, applied in image data processing, image enhancement, image analysis, etc., can solve the problem that the overall three-dimensional shape characteristics of polyps cannot be accurately described

Inactive Publication Date: 2016-10-26
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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Problems solved by technology

The invention solves the technical problem that the overall three-dimensional shape characteristics of polyps cannot be accurately described in the prior art

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  • Colon polyp image data processing method based on virtual colonoscopy
  • Colon polyp image data processing method based on virtual colonoscopy
  • Colon polyp image data processing method based on virtual colonoscopy

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[0051] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0052] It should be understood that terms such as "having", "comprising" and "comprising" used herein do not denote the presence or addition of one or more other elements or combinations thereof.

[0053] The method of the present invention is not directly used for disease diagnosis, but for image data processing.

[0054] Such as Figure 1-6 As shown, the present invention provides a virtual colonoscope-oriented colon polyp image data processing method, including four main steps of image preprocessing, curvature line tracking, curvature line spreading and curvature line feature selection, and the calculation process of each step All are carried out in the image processor of the graphics processor, and all processing steps are calculated in parallel in the image processor (g...

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Abstract

The invention discloses a colon polyp image data processing method based on virtual colonoscopy. The method comprises the following steps performed in a graphics processor: S1, collecting 3D image data of a colon part, carrying out image preprocessing on the image data to get a fitted contour surface of the colon wall, and selecting W seed points reflecting the characteristics of colon polyps from the fitted contour surface; S2, gradually moving the seed points, and shadowing the moved seed points onto a real contour surface of the image, and forming W curvature lines; S3, spreading the curvature lines and generating a curvature line set; and S4, screening out characteristic curvature lines reflecting the shape characteristics of colon polyps from the curvature line set, and drawing the characteristic curvature lines onto the fitted contour surface to highlight a colon polyp. The technical problem that the overall three-dimensional shape characteristics of polyps cannot be described accurately in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of non-invasive detection, in particular to a virtual colonoscope-oriented method for processing colonic polyp image data. Background technique [0002] Virtual colonoscopy is a non-invasive detection technology. However, virtual colonoscopy based on CT or MR images is time-consuming, which requires the use of computer-aided detection systems to preprocess colon image data to reduce examination time. The existing colon data preprocessing methods are mainly based on the scalar curvature of the image, which can only reflect the three-dimensional shape in a very small area, and cannot accurately describe the overall three-dimensional shape characteristics of polyps. Moreover, scalar curvature is sensitive to noise in the data, resulting in a high false positive rate in the final detection results. Contents of the invention [0003] Aiming at the above-mentioned technical problems, the present invention prop...

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Application Information

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IPC IPC(8): G06T7/00
CPCG06T7/0012G06T2207/10012G06T2207/10081G06T2207/30032
Inventor 赵凌霄周志勇佟宝同陈光强耿辰胡冀苏刘燕戴亚康
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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