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Deep learning-based intelligent detection method for nuclear division images in gastrointestinal stromal tumor

A gastrointestinal stromal tumor and deep learning technology, which is applied in the field of intelligent detection of mitosis in gastrointestinal stromal tumors based on deep learning, can solve the problems of single category of pathological pictures and unbalanced foreground-background

Active Publication Date: 2020-10-20
TIANJIN UNIV +1
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AI Technical Summary

Problems solved by technology

However, due to the characteristics of single category and extremely unbalanced foreground-background of pathological pictures, a method for detecting and counting mitotic figures in hematoxylin-eosin stained pathological section images is needed that combines deep learning detection methods, segmentation methods and classification methods

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  • Deep learning-based intelligent detection method for nuclear division images in gastrointestinal stromal tumor
  • Deep learning-based intelligent detection method for nuclear division images in gastrointestinal stromal tumor
  • Deep learning-based intelligent detection method for nuclear division images in gastrointestinal stromal tumor

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Embodiment Construction

[0020] The method for intelligent detection of mitosis in gastrointestinal stromal tumors based on deep learning of the present invention will be described in detail below in combination with the embodiments and the accompanying drawings.

[0021] Such as figure 1 As shown, the intelligent detection method for mitosis in gastrointestinal stromal tumors based on deep learning of the present invention comprises the following steps:

[0022] 1) Preprocessing the acquired hematoxylin-eosin stained pathological image; including:

[0023] (1) Cut each hematoxylin-eosin stained pathological image into 512*512 sizes;

[0024] (2) Use the Gaussian blur method to denoise the cut pathological image:

[0025]

[0026] Among them, G(u, v) represents the value of the Gaussian kernel at (u, v), and u and v represent the image space coordinates respectively; Characterize the blur radius; σ is the standard deviation of the normal distribution, in order to avoid image size shrinkage, the...

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Abstract

The invention discloses a deep learning-based intelligent detection method for nuclear division images in gastrointestinal stromal tumor. The method comprises the following steps: preprocessing an obtained hematoxylin-eosin staining pathological image; taking EfficientDet-D0 as a deep learning detection model, and carrying out training; using U-Net as a deep learning segmentation model, and training the deep learning segmentation model; constructing a deep learning classification model; training the deep learning classification model; detecting the hematoxylin-eosin staining pathological imageof the testee by using the trained deep learning detection model; segmenting the pathological image by using a deep learning segmentation model, and detecting the segmented result; and comparing thenuclear division images detection result based on the deep learning detection model with the nuclear division images detection result based on the deep learning segmentation model to obtain a final classification result. According to the invention, the input hematoxylin-eosin staining image is analyzed, and the number of nuclear division images is detected, so that the judgment on the risk degreeof gastrointestinal stromal tumor is realized.

Description

technical field [0001] The invention relates to a method for detecting mitotic figures in gastrointestinal stromal tumors. In particular, it relates to an intelligent detection method for mitotic figures in gastrointestinal stromal tumors based on deep learning. Background technique [0002] Gastrointestinal stromal tumor is a type of tumor originating from the mesenchymal tissue of the gastrointestinal tract, which accounts for the majority of gastrointestinal mesenchymal tumors and is the most common abdominal soft tissue malignant tumor. Gastrointestinal stromal tumors are most commonly found in the stomach (50%-60%), followed by the small intestine (30%-35%), colon and rectum (5%), esophagus (<1%), and a small part outside the digestive tract ( Mesentery, omentum, and retroperitoneum; <5%). The mean age at diagnosis was 63 years, with no gender difference. Patients with gastrointestinal stromal tumors often have no characteristic symptoms because the tumor is lo...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/194G06T5/00G06N3/08G06N3/04G06K9/62
CPCG06T7/0012G06T7/194G06N3/08G06T2207/20081G06T2207/20084G06T2207/30096G06T2207/30024G06N3/045G06F18/24G06T5/70
Inventor 高忠科袁涛安建鹏马文庆
Owner TIANJIN UNIV
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