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Adaptive screening method for similar images of capsule endoscope

A technology of capsule endoscopy and similar images, which is applied in medical image data management, special data processing applications, instruments, etc., and can solve the problems of missing lesion images, time-consuming and labor-intensive, missed diagnosis, etc.

Active Publication Date: 2016-10-26
CAS HEFEI INST OF TECH INNOVATION +1
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Problems solved by technology

This process is not only time-consuming and labor-intensive, but doctors may miss abnormal lesion images when they are visually fatigued, thereby misdiagnosing them
In addition, with the development of technology, the number of video images of capsule endoscopy will continue to increase, and accordingly, the diagnostic workload of doctors will also increase, so the diagnostic efficiency and diagnostic accuracy will be further reduced

Method used

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  • Adaptive screening method for similar images of capsule endoscope
  • Adaptive screening method for similar images of capsule endoscope
  • Adaptive screening method for similar images of capsule endoscope

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Embodiment 1

[0043] An adaptive screening method for similar images of a capsule endoscope provided in this embodiment, such as Figure 1~2 shown, including the following steps:

[0044] Step S1: Divide all the original images into several sub-image sequences in chronological order; the original images here are read from the image receiving device worn on the subject to the computer, and the general image receiving device is in the form of an SD card Store received images, each original image corresponds to a unique serial number, so just connect the SD card to the computer, you can read all the sequences of the original image; after the capsule endoscope takes an image, its internal The digital image processing module will name the image and transmit it to the image receiving device, and its naming will also include shooting time information, so it can also be divided by the name of the image;

[0045] Step S2: Take a sub-image sequence in step S1 as the current image sequence P to be pr...

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Abstract

The invention discloses an adaptive screening method for similar images of a capsule endoscope. The method comprises: all original images are divided into a plurality of sub image sequences according to a time sequence; and sampling is carried out on the sub image sequences, a similarity degree of has two adjacent images in a sampling sequence is calculated, similar images are screened out, and then the rest of image as a screened image is outputted. Compared with the prior art, the provided method has the following beneficial effects: temporal correlation and structural correlation of similar images of the capsule endoscope are considered fully and a structural similarity degree is used as a measure for an image similarity degree of the capsule endoscope; and thus compared with other methods, the provided method has high accuracy and the magnitude order of the image of the capsule endoscope is reduced, so that a doctor can carry out diagnosis and analysis conveniently.

Description

technical field [0001] The invention relates to the technical field of digital image processing, in particular to an adaptive screening method for similar images of a capsule endoscope. Background technique [0002] The number of images taken per second (fps) of the current capsule endoscope products is between 2 and 30, and the maximum duration reaches 8 hours. Taking fps as 16 for calculation, a total of 16×60×60×8=460800 images are taken during each capsule endoscopy process. Without any processing, doctors must examine and analyze each image in this nearly half a million image collection to arrive at a diagnosis. This process is not only time-consuming and labor-intensive, but doctors may miss abnormal lesion images when they are visually fatigued, thereby misdiagnosing them. In addition, with the development of technology, the number of video images of the capsule endoscope will continue to increase, and correspondingly, the workload of doctors will also increase. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06F19/00
CPCG06F18/22
Inventor 王海雷孙丙宇李文波吴雪莲查文文张颖余超彪
Owner CAS HEFEI INST OF TECH INNOVATION
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