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Artificial Intelligence-Driven Plann...

Li, Xinyi,

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Artificial Intelligence-Driven Planning Agents for Real-Time IMRT Plan Generation /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Artificial Intelligence-Driven Planning Agents for Real-Time IMRT Plan Generation // Xinyi Li.
作者:	Li, Xinyi,
面頁冊數:	1 electronic resource (119 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
Contained By:	Dissertations Abstracts International84-11B.
標題:	Oncology. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13858221
ISBN:	9798379571931

Artificial Intelligence-Driven Planning Agents for Real-Time IMRT Plan Generation /
Li, Xinyi,

Artificial Intelligence-Driven Planning Agents for Real-Time IMRT Plan Generation /Xinyi Li. - 1 electronic resource (119 pages)

Source: Dissertations Abstracts International, Volume: 84-11, Section: B.

Artificial intelligence (AI) has been rapidly developing in various fields, featuring automation in complex tasks with superior efficiency. This feature meets the urgent need for the automation of resource-intensive tasks in clinics. In radiation oncology, AI has been investigated for almost every process in patient management and treatment. Among these, radiotherapy treatment planning is one of the most time-consuming and labor-intensive processes. This dissertation work focuses on AI-based planning agents for intensity-modulated radiation therapy (IMRT) for various treatment sites. Fluence map prediction for prostate simultaneous integrated boost (SIB) or Stereotactic Body Radiotherapy (SBRT) cases was selected for a feasibility study. Prostate cases have one of the most consistent anatomic geometries and dosimetric constraints among all treatment sites. The developed prostate AI planning agent employed a customized convolutional neuro network (CNN), Dense-Res Hybrid Network (DRHN). DRHN was trained to predict optimal fluence maps from patient anatomic information. The proposed method avoids the time-consuming inverse planning process and thus could make fluence map predictions in seconds and generate IMRT plans in a few minutes. The resulting AI plan quality met institutional clinical guidelines. This preliminary study demonstrated the feasibility of the proposed AI strategy in automatic treatment planning and provided a solid foundation for the following studies. As a step forward, a more sophisticated AI agent for oropharyngeal cases was developed based on the prostate AI agent. This AI agent had the following two upgrades to adapt to the much more complex geometry in head-and-neck (H&N) treatment site: 1) conditional generative adversarial networks (cGAN) training architecture; 2) the generator, PyraNet, was a customized CNN network with more complicated network structure design in the shape of pyramids. This H&N AI agent demonstrated encouraging plan quality, especially that organs-at-risk (OAR) dosimetric outcomes achieved expectations. A graphical user interface (GUI) was developed and commissioned to make this AI tool available for clinical implementation. In summary, a DL-based fluence map prediction was developed for prostate and H&N cases. The H&N AI agent was implemented for clinical use, and more related research and applications are around the corner.

English

ISBN: 9798379571931Subjects--Topical Terms:

751006
Oncology.
Subjects--Index Terms:

Planning agents

Artificial Intelligence-Driven Planning Agents for Real-Time IMRT Plan Generation /
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