Method and system for quickly positioning duodenum entry time points of capsules

A duodenal and time-point technology, applied in the field of computer vision, can solve problems such as time-consuming and labor-intensive, and achieve the effects of good recognition effect, improved recognition accuracy, and balanced training data

Inactive Publication Date: 2020-12-04
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides a method and system for quickly locating the time point when the capsule enters the duodenum, which solves the time-consuming and labor-intensive problem of manually inquiring the time point when the capsule enters the duodenum

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  • Method and system for quickly positioning duodenum entry time points of capsules
  • Method and system for quickly positioning duodenum entry time points of capsules

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Embodiment Construction

[0038] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0039] Such as figure 1 As shown, the method for quickly locating the capsule entering the duodenum time point comprises the following steps:

[0040] S1. Labeling the image taken with the capsule in the stomach and the image taken with the capsule in the duodenum as an initial image set;

[0041] S2. Using the residual method to screen the images in the initial image set, remove duplicate images, and obtain a preprocessed...

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Abstract

The present invention discloses a method and a system for quickly positioning duodenum entry time points of capsules. The method comprises the following steps: S1, acquiring an initial image set; S2,removing repeated images to obtain a preprocessed image set; S3, obtaining a training set; S4, training a LeNet model; S5, classifying shot images of a target capsule; S6, starting from the first image classified to be located in the duodenum, judging whether N continuous images classified to be located in the stomach exist or not, if yes, entering a step S7, and otherwise, entering a step S8; S7,removing the images which are classified to be positioned in the duodenum before the continuous more than or equal to N images which are classified into to be positioned in the stomach, and returningto the step S6; and S8, taking the shooting time of the first image classified to be positioned in the duodenum as a duodenum entry time point of the target capsule, and completing positioning. The method solves a problem that manual inquiry wastes time and labor.

Description

technical field [0001] The invention relates to the field of computer vision, in particular to a method and system for quickly locating the time point when a capsule enters the duodenum. Background technique [0002] Due to its painlessness and non-invasiveness, capsule endoscopy is currently one of the best diagnostic tools for clinical examination of small intestinal disorders, but one of the disadvantages is that after the capsule is swallowed, its movement in the digestive tract is completely dependent on gastrointestinal peristalsis Pushing speed, when it enters the stomach, if the peristaltic emptying speed of the stomach is slow, it may cause the capsule to stay in the stomach for a long time, which consumes too much battery energy. When it enters the small intestine, it may fail due to insufficient battery energy. Examination of the whole small bowel could not be completed. And how to judge the time point when the capsule enters the duodenum, there has been no good ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/04A61B1/273G06K9/62G06N3/04G06N3/08
CPCA61B1/041A61B1/273A61B1/2736A61B1/00009G06N3/08G06N3/045G06F18/24
Inventor 万思琦杨国强喻雷刘帅成甘涛
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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