Intelligent classification of endoscopic images and detection method of irregular lesion areas

A lesion area and irregular technology, applied in the field of medical image intelligent processing, can solve the problems of manual feature difficulty and achieve the effect of improving application value and accuracy

Inactive Publication Date: 2018-10-16
FUDAN UNIV
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Problems solved by technology

[0007] Traditional salient object detection methods use more hand-crafted feature boosting effects, benchmarks published by Nankai University

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  • Intelligent classification of endoscopic images and detection method of irregular lesion areas
  • Intelligent classification of endoscopic images and detection method of irregular lesion areas
  • Intelligent classification of endoscopic images and detection method of irregular lesion areas

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[0045] use figure 1 The method shown uses annotated endoscopic images to train a saliency detection network model to convergence, and this model is used for endoscopic image classification and irregular lesion area detection. For an endoscopic image to be tested, you can use figure 2 The method shown. details as follows:

[0046] The specific implementation method is:

[0047] (1) Preprocess the image, according to the value of the R channel in the RGB channel of the endoscopic image (range 0-255), use a smaller threshold (such as 30) to binarize the image, and remove the low value of the binarized image And record the location information of the reserved area as (x, y, H, W);

[0048] (2) Input the preprocessed image into the network model to obtain the saliency map M, the threshold T is set to 0.5, if there is M(i,j)>T in M, the endoscopic image is classified as a lesion, otherwise it is classified It is normal; if the endoscopic image is a lesion, the pixels that may have lesi...

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Abstract

The invention belongs to the technical field of intelligent medical image processing, and specifically refers to an intelligent classification of endoscopic images and a detection method of irregularlesion areas. An artificial intelligence is used to apply a saliency detection to the classification of endoscopic images and the detection of irregular lesion areas, and the endoscopic image markedby senior doctors is used as a training sample and input into the saliency detection network model, so that the network model learns irregularly saliency areas, namely lesion areas. Experimental results show that according to the intelligent classification of endoscopic images and the detection method of irregular lesion areas, the diagnosis experience of senior doctors can be learned, the endoscopic image is more accurately divided into a lesion image and a normal image, an irregular lesion area is detected, and a reference is provided for the doctor so as to improve the diagnosis accuracy.

Description

technical field [0001] The invention belongs to the technical field of medical image intelligent processing, and in particular relates to a medical image classification and lesion detection method, and more specifically, to an endoscopic image intelligent classification and irregular lesion area detection method. Background technique [0002] At present, the screening, treatment, and follow-up of early gastrointestinal cancer mainly rely on endoscopy and imaging examinations such as CT / MRI, among which endoscopy is the most important. With the advancement of endoscopic diagnostic technology, various methods such as white light observation, electronic chromosomal magnifying endoscopy, ultrasonography, and iodine staining can be used. However, the detection rate of the above-mentioned inspection methods is affected by the experience of clinical endoscopists, and the subjective influence of different examiners is relatively large in judgment, especially in areas with low medica...

Claims

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Application Information

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IPC IPC(8): G06T7/00
CPCG06T7/0014G06T2207/10068G06T2207/20081G06T2207/20104G06T2207/20116
Inventor 颜波钟芸诗牛雪静蔡世伦谭伟敏李冰
Owner FUDAN UNIV
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