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Low-dose CT image processing method and device and computer equipment

A CT image, low-dose technology, applied in the computer field, can solve the problems of shortening the X-ray tube exposure time and difficulty in extraction

Pending Publication Date: 2020-06-23
上海志唐健康科技有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, shortening the exposure time of the X-ray tube introduces additional noise and streak artifacts in low-dose CT images, making it difficult to extract clear and accurate target regions from low-dose CT images

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  • Low-dose CT image processing method and device and computer equipment
  • Low-dose CT image processing method and device and computer equipment
  • Low-dose CT image processing method and device and computer equipment

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Embodiment Construction

[0058] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0059] refer to figure 1 , the line of low-dose CT image processing is applied to a low-dose CT image processing system. The low-dose CT image processing system includes a terminal 110 and a server 120 . The low-dose CT image processing method can be completed at the terminal 110 or the server 120 . When it is necessary to identify the target organ from the low-dose CT image, the terminal 110 can identify and extract the target organ from the low-dose CT image, and can also send the low-dose CT image to the server 120, and the server 120 can carry out the low-dose CT ima...

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Abstract

The invention relates to a low-dose CT image processing method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a low-dose CT image and a pre-trained target extraction model; wherein the target extraction model comprises a convolution chain and a deconvolution chain; respectively determining an arrangement sequence of each noise removal convolution layer in the convolution chain and an arrangement sequence of each deconvolution layer in the deconvolution chain; determining the noise removal convolution layer and the deconvolution layer with the same arrangement sequence as a pair of correlation layers; extracting image features in the low-dose CT image based on the convolution chain to obtain a feature image corresponding to each noise removal convolution layer; and based on the association layer relationship, respectively inputting the feature images into corresponding deconvolution layers to enable the deconvolution layers to extract target organs in the low-dose CT image according to the feature images. By adopting the method, the target organ can be extracted from the low-dose CT image.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a low-dose CT image processing method, device and computer equipment. Background technique [0002] With the development of science and technology, extracting clear and accurate target areas from CT (computed tomography, computerized tomography) images is a key step in computer-assisted therapy. key steps. Due to the widespread use of medical CT, the total radiation dose poses a potential cancer risk to patients, so low-dose CT came into being. Low-dose CT is a method of reducing radiation dose by shortening the exposure time of the X-ray tube. However, shortening the exposure time of the X-ray tube will introduce additional noise and streak artifacts in low-dose CT images, which makes it difficult to extract clear and accurate target regions from low-dose CT images. Therefore, it is urgent to invent a method capable of extracting clear and accurate target regions ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06T5/00G06N3/04G06N3/08
CPCG06T7/0012G06N3/084G06T2207/10081G06T2207/20081G06T2207/20084G06T2207/30004G06N3/045G06T5/70Y02T10/40
Inventor 盛斌戴超贺加原
Owner 上海志唐健康科技有限公司