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Generation method and generation device of tumor radiotherapy area

A technology of treatment area and tumor radiation, applied in the field of medical imaging, to achieve the effect of reducing uncertain errors

Pending Publication Date: 2022-07-01
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present application discloses a method and device for generating a tumor radiotherapy area to solve the problem that the positioning of the radiotherapy area for tumor patients needs manual intervention for correction

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  • Generation method and generation device of tumor radiotherapy area
  • Generation method and generation device of tumor radiotherapy area
  • Generation method and generation device of tumor radiotherapy area

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Embodiment Construction

[0014] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of this application.

[0015] The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and distinguish between "first", "second", etc. The objects are usually of one ...

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Abstract

The invention discloses a tumor radiotherapy area generation method and device, and the method comprises the steps: obtaining a first CT image actually obtained in the treatment process of a target object and a second CT image initially obtained before the treatment of the target object; in response to an external input instruction, marking the position of a first control area on the second CT image, and generating a third CT image; inputting the first CT image and the third CT image into a dense network model to obtain a first translation parameter and a first rotation parameter; according to the first translation parameter and the first rotation parameter, the first CT image is transformed to generate a fourth CT image, and the fourth CT image is an image with a target control area used for radiotherapy of the target object.

Description

technical field [0001] The present application relates to the field of medical imaging, and in particular, to a method and a device for generating a tumor radiation treatment area. Background technique [0002] Precise localization is critical for radiation therapy of anatomically complex tumors (eg, head and neck cancer), and image guidance is a key step in achieving high-precision localization. At present, computed tomography (CT) is a commonly used tool in image guidance. Generally, the optimal transformation parameters with the greatest similarity between the initially obtained CT image and the actual CT image obtained during the treatment process are matched for matching. for accurate positioning. [0003] In the related art, although automatic registration algorithms have been integrated into image-guided radiotherapy (IGRT) systems, due to the existence of artifacts in images and the variation of anatomical structures during treatment, Due to the influence of factor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/30G06T7/187G06T3/60
CPCG06T7/30G06T3/60G06T7/187G06T2207/10081G06T2207/30204G06T2207/20081
Inventor 梁晓坤产银萍谢耀钦张楚龙何文丰
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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