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Online adaptive radiation therapy (ART) has great promise to significantly reduce normal tissue toxicity and/or improve tumor control through real-time treatment adaptations based on the current patient anatomy. However, the major technical…

Medical Physics · Physics 2015-05-18 Chunhua Men , Xun Jia , Steve. B. Jiang

Joint base station (BS) association and beam selection in multi-UAV aerial corridors constitutes a challenging radio resource management (RRM) problem. It is driven by high-dimensional action spaces, need for substantial overhead to acquire…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Pulok Tarafder , Zoheb Hassan , Imtiaz Ahmed , Danda B. Rawat , Kamrul Hasan , Cong Pu

Radiotherapy planning is a critical aspect of cancer treatment, where the optimal selection of beam directions and dose distributions significantly impacts treatment efficacy and patient outcomes. Traditionally, this process involves…

Medical Physics · Physics 2023-12-05 Keshav Kumar K. , NVSL Narasimham , A. Ramakrishna Prasad

Proton beam therapy has been developed to irradiate the tumor with higher precision and dose conformity compared to conventional X-ray irradiation. The dose conformity of this treatment modality may be further improved if narrower proton…

This study evaluates dynamic conformal arc (DCA) therapy as an alternative to volumetric modulated arc therapy (VMAT) for stereotactic body radiation therapy (SBRT) of lung cancer. The rationale for DCA is lower geometric complexity and…

Medical Physics · Physics 2019-05-07 Rasmus Bokrantz , Minna Wedenberg , Peter Sandwall

Radiotherapy treatment planning is a challenging large-scale optimization problem plagued by uncertainty. Following the robust optimization methodology, we propose a novel, spatially based uncertainty set for robust modeling of radiotherapy…

Optimization and Control · Mathematics 2024-05-28 Noam Goldberg , Mark P. Langer , Shimrit Shtern

We present a new imaging system to support real-time tumor tracking for surface-guided radiotherapy (SGRT). SGRT uses optical surface imaging (OSI) to acquire real-time surface topography images of the patient on the treatment couch.…

Medical Physics · Physics 2024-11-04 Shaoyan Pan , Vanessa Su , Junbo Peng , Junyuan Li , Yuan Gao , Chih-Wei Chang , Tonghe Wang , Zhen Tian , Xiaofeng Yang

Lesion detection in digital breast tomosynthesis (DBT) is an important and a challenging problem characterized by a low prevalence of images containing tumors. Due to the label scarcity problem, large deep learning models and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Yifan Zhang , Haoyu Dong , Nicholas Konz , Hanxue Gu , Maciej A. Mazurowski

Delineation of tumors and organs-at-risk permits detecting and correcting changes in the patients' anatomy throughout the treatment, making it a core step of adaptive proton therapy (APT). Although AI-based auto-contouring technologies have…

Pancreas stereotactic body radiotherapy treatment planning requires planners to make sequential, time consuming interactions with the treatment planning system (TPS) to reach the optimal dose distribution. We seek to develop a reinforcement…

Precise segmentation of papillary thyroid microcarcinoma (PTMC) during ultrasound-guided radiofrequency ablation (RFA) is critical for effective treatment but remains challenging due to acoustic artifacts, small lesion size, and anatomical…

Image and Video Processing · Electrical Eng. & Systems 2025-07-24 Maryam Dialameh , Hossein Rajabzadeh , Moslem Sadeghi-Goughari , Jung Suk Sim , Hyock Ju Kwon

The development of Digital Twins (DTs) represents a transformative advance for simulating and optimizing complex systems in a controlled digital space. Despite their potential, the challenge of constructing DTs that accurately replicate and…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Longfei Ma , Nan Cheng , Xiucheng Wang , Jiong Chen , Yinjun Gao , Dongxiao Zhang , Jun-Jie Zhang

Ultra high dose rate electron beams also known as FLASH radiotherapy is becoming of importance in several preclinial cancer treatment studies. However, due to the dose rate used during the irradiation sessions, no real time dose monitoring…

Medical Physics · Physics 2022-08-19 Chloe Lahaye , Jean-Marc Fontbonne , Samuel Salvador

Cone-beam computed tomography (CBCT) using only a few X-ray projection views enables faster scans with lower radiation dose, but the resulting severe under-sampling causes strong artifacts and poor spatial coverage. We address these…

Image and Video Processing · Electrical Eng. & Systems 2025-06-25 Minmin Yang , Huantao Ren , Senem Velipasalar

Proton beam therapy can potentially offer improved treatment for cancers of the head and neck and in paediatric patients. There has been a sharp uptake of proton beam therapy in recent years as improved delivery techniques and patient…

Digital twin models are of high interest to Head and Neck Cancer (HNC) oncologists, who have to navigate a series of complex treatment decisions that weigh the efficacy of tumor control against toxicity and mortality risks. Evaluating…

Human-Computer Interaction · Computer Science 2024-07-19 Andrew Wentzel , Serageldin Attia , Xinhua Zhang , Guadalupe Canahuate , Clifton David Fuller , G. Elisabeta Marai

Proton Computed Tomography (pCT) provides a promising solution to enhance the accuracy of Relative Stopping Power (RSP) required for proton therapy planning. This research introduces a novel high-granularity pCT architecture that…

Deep neural networks (DNNs) have been widely used for medical image analysis. However, the lack of access a to large-scale annotated dataset poses a great challenge, especially in the case of rare diseases, or new domains for the research…

Image and Video Processing · Electrical Eng. & Systems 2021-07-02 Sungho Suh , Sojeong Cheon , Wonseo Choi , Yeon Woong Chung , Won-Kyung Cho , Ji-Sun Paik , Sung Eun Kim , Dong-Jin Chang , Yong Oh Lee

Temporally modulated pulsed radiotherapy (TMPRT) delivers conventional fraction doses of radiation using temporally separated pulses of low doses (<30 cGy) yielding fraction-effective dose rates of around 6.7 cGy/min with the goal to…

Medical Physics · Physics 2026-01-13 Christian Velten , Adam Bayliss , Jiayi Huang , Wolfgang A. Tomé

The adoption of digital twins (DTs) in precision medicine is increasingly viable, propelled by extensive data collection and advancements in artificial intelligence (AI), alongside traditional biomedical methodologies. However, the reliance…