Method and device for generating focus on CT image and storage medium

A technology for CT images and lesions, which is applied in the field of generating lesions on CT images, and can solve problems such as strong overfitting effects

Pending Publication Date: 2021-06-22
东软教育科技集团有限公司
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Problems solved by technology

The problem with this operation is that there are obvious rectangular edges around the generated lesions, or a strong overfitting effect

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  • Method and device for generating focus on CT image and storage medium
  • Method and device for generating focus on CT image and storage medium
  • Method and device for generating focus on CT image and storage medium

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Embodiment Construction

[0060] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0061] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention provides a method and device for generating a focus on a CT image and a storage medium. The method comprises the following steps: acquiring continuous original CT images and focus generation data; establishing a first-stage cube taking the focus as the center; generating a focus contour mask based on the cut CT image, the focus generation data and a pre-trained first generative adversarial network; generating a focus CT image based on the cut CT image, the focus generation data, the focus contour mask and a pre-trained second generative adversarial network; and inserting the focus CT image into an original CT image to generate a complete CT image. According to the invention, through the two generative adversarial network models, the lesion contour is generated firstly, then the complete lesion is generated, and the problems of overfitting and obvious square edges existing in other lesion generation methods are solved.

Description

technical field [0001] The present invention relates to the field of image data generation and its learning field, in particular, to a method, device and storage medium for generating lesions on CT images. Background technique [0002] X-ray computed tomography (Computed Tomography, CT) technology has been widely used in medical diagnosis, and is one of the indispensable medical imaging technologies for clinical diagnosis today. The use of artificial intelligence-based methods to assist clinical diagnosis requires a large number of CT images of lesions and normal CT images for controlled trials. On the one hand, in the actual image acquisition process, there are relatively few images with lesions. Secondly, manual labeling is expensive. On the other hand, the acquisition of a large number of medical images will seriously violate the privacy rights of patients. [0003] The current lesion generation method is to use a rectangle on the image to block the position where the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G06K9/46G06K9/62G06T7/10
CPCG06T11/005G06T7/10G06V10/44G06F18/214
Inventor 于丹温涛王艳秋
Owner 东软教育科技集团有限公司
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