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Radiotherapy dose distribution and dose volume histogram combined prediction method and device

A dose distribution and prediction method technology, applied in the field of medical radiation therapy, can solve the problem of inability to take into account the radiation dose distribution and dose volume histogram prediction efficiency and prediction accuracy, and achieve the goal of improving accuracy, reducing the number of model parameters, and simplifying the model structure. Effect

Pending Publication Date: 2022-03-25
UNITED IMAGING RES INST OF INNOVATIVE MEDICAL EQUIP
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Problems solved by technology

[0005] In view of this, it is necessary to provide a joint prediction method and device for radiotherapy dose distribution and dose volume histogram to solve the problems in the prior art that cannot take into account the prediction efficiency and prediction accuracy of radiotherapy dose distribution and dose volume histogram. technical problem

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  • Radiotherapy dose distribution and dose volume histogram combined prediction method and device
  • Radiotherapy dose distribution and dose volume histogram combined prediction method and device
  • Radiotherapy dose distribution and dose volume histogram combined prediction method and device

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[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0051] In the description of the embodiments of the present invention, unless otherwise specified, "plurality" means two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three types of relationships, for example: A and / or B, which may indicate: A exists alone, A and B exist simultaneously, and B exists independently.

[0052] The descriptions such as "first" and "second" involved in the embodiments of the ...

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Abstract

The invention provides a joint prediction method and device for radiotherapy dose distribution and a dose volume histogram, and the method comprises the steps: constructing an initial joint prediction model which comprises a shared encoder, a radiotherapy dose distribution decoder and a dose volume histogram decoder; obtaining a training set, and carrying out encoding processing on training samples in the training set based on a shared encoder to obtain sample features of the training samples; performing decoding processing on the sample features based on a radiotherapy dose distribution decoder and a dose volume histogram decoder respectively to correspondingly obtain predicted radiotherapy dose distribution and a predicted dose volume histogram; training the initial combined prediction model according to the training sample, the predicted radiotherapy dose distribution and the predicted dose volume histogram to obtain a target combined prediction model; and performing joint prediction on a to-be-predicted image based on the target joint prediction model. According to the method, the prediction efficiency and the prediction precision of the radiotherapy dose distribution and the dose volume histogram are considered.

Description

technical field [0001] The invention relates to the technical field of medical radiotherapy, in particular to a joint prediction method and device for radiotherapy dose distribution and dose volume histogram. Background technique [0002] Radiation therapy, referred to as radiotherapy, is one of the main means of tumor treatment. Radiotherapy has the advantages of wide application range, small side effects, low trauma and painless, etc. It can effectively improve the cure rate of patients and prolong the life span of patients. In clinical applications, before the implementation of radiotherapy, it is necessary for professionals to formulate a radiotherapy plan, that is, according to the target area of ​​the patient and the organs at risk drawn by the doctor, combined with the prescribed dose, optimize the angle and intensity of each radiation, and obtain a treatment plan that meets the needs of the patient. In order to improve the quality of radiotherapy, it is usually neces...

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Application Information

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IPC IPC(8): G01T1/02
CPCG01T1/02
Inventor 刘焰飞
Owner UNITED IMAGING RES INST OF INNOVATIVE MEDICAL EQUIP
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