Three-dimensional dose prediction method and system for radiotherapy
A technology of three-dimensional dose and prediction method, which is applied in radiation therapy, treatment, X-ray/γ-ray/particle irradiation therapy, etc. It can solve the problems of time-consuming, loss, and inability to provide three-dimensional dose distribution prediction of patients, so as to shorten time, The effect of reducing errors and reducing dependence on personal experience
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[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0044] Such as figure 1 As shown, the present embodiment provides a three-dimensional dose prediction method for radiotherapy, comprising the following steps:
[0045] Step A: Collect radiotherapy plan data of past cases, preprocess the data to obtain feature images that can be trained by convolutional neural network;
[0046] In this embodiment, the VMAT planning data of 80 patients with esophageal cancer are taken as an example to illustrate, and collect data sets including CT images, target areas and organ-at-risk outlines, prescription doses and actual doses, and the data sets are stored in the dicom format commonly used in the field. By using the Python-based medical image computing package simpleITK to extract CT i...
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