Lung tumor automatic sketching method based on deep learning

A deep learning and tumor technology, which is applied in the field of medical image processing technology and deep learning, can solve the problems of low tumor delineation accuracy, inaccurate manual delineation, time-consuming and labor-intensive problems, so as to improve the safety process of surgery, reduce the workload and improve the delineation efficiency Effect

Pending Publication Date: 2020-01-17
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

[0005] The purpose of the present invention is to provide an automatic delineation method for lung tumors based on deep learning, which can effectively all

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  • Lung tumor automatic sketching method based on deep learning
  • Lung tumor automatic sketching method based on deep learning
  • Lung tumor automatic sketching method based on deep learning

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[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the implementation manners of the present invention will be further described in detail below.

[0024] The described method for automatically delineating lung tumors based on deep learning specifically includes the following steps:

[0025] Step 1: Input the patient's lung image and perform preprocessing and image enhancement on the image;

[0026] Step 2: Obtain the window position and tumor size of the patient's lung tumor in the image, and crop the selected image to a fixed size according to the window position and size of the tumor in the image;

[0027] Step 3: Input the image processed in steps 1 and 2 into the trained V-Net model to predict the tumor;

[0028] Step 4: Deconvolute the predicted lung tumor to the size of the cropped image to get the true prediction of the organ;

[0029] Step 5: Extract the edge line of the real predicted lung tumor, which is the de...

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Abstract

The method is suitable for the technical field of medical image processing. The invention provides a lung tumor automatic sketching method based on deep learning, and the method comprises the steps: obtaining an input lung CT image when a sketching request of the lung CT image is received, carrying out the preprocessing and image enhancement of the obtained lung CT image, and obtaining a corresponding processed image; obtaining the position and size of a window of the lung tumor in the image, and cutting the screened image into a fixed size; inputting the processed image into a trained V-Net model so as to predict the lung tumor; performing deconvolution on the predicted tumor image to the size of the cut image, so that real prediction of the tumor can be obtained; and extracting the edgeline of the truly predicted lung tumor, that is, sketching the lung tumor, and obtaining an image sketched by the lung tumor. According to the lung tumor automatic sketching device, the accuracy of automatic sketching of lung tumors is improved, the sketching efficiency is remarkably improved on the basis of guaranteeing the sketching precision, and the operation safety process is improved.

Description

technical field [0001] The invention relates to the fields of medical image processing technology and deep learning, in particular to an automatic delineation method for lung tumors based on deep learning. Background technique [0002] Lung cancer is one of the malignant tumors that seriously threaten human health, and its death rate ranks first in cancer. There are about 1.8 million new lung cancer cases (accounting for 13% of all tumors) and 1.6 million deaths (accounting for 19.4% of all tumors) in the world every year. The annual survival rate is only 18%. If diagnosed early, the 5-year survival rate of lung cancer patients can increase to 70%, improving the prognosis of patients. [0003] Modern medical technology is developing day by day, a large part of which is due to the maturity of medical imaging technology. Including CT technology, MRI technology, etc. These technologies help doctors understand the internal pathological structure of patients and formulate preci...

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Application Information

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IPC IPC(8): G06T7/00G06T7/11G06T7/62G06T7/73G16H30/40
CPCG06T7/0012G06T7/11G06T7/62G06T7/73G16H30/40G06T2207/10072G06T2207/20081G06T2207/20084G06T2207/30096G06T2207/30061
Inventor 庞善臣孟璠王珣董立媛张亚钦
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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