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Related papers: Proton therapy range uncertainty reduction using v…

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State Space Models (SSMs) have the advantage of keeping linear computational complexity compared to attention modules in transformers, and have been applied to vision tasks as a new type of powerful vision foundation model. Inspired by the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Zheng Zhan , Zhenglun Kong , Yifan Gong , Yushu Wu , Zichong Meng , Hangyu Zheng , Xuan Shen , Stratis Ioannidis , Wei Niu , Pu Zhao , Yanzhi Wang

Medical imaging quantitative features had once disputable usefulness in clinical studies. Nowadays, advancements in analysis techniques, for instance through machine learning, have enabled quantitative features to be progressively useful in…

Treating cancer is one of the most challenging task in medical sciences. Only limited types of cancer treatments are available as their study is still ongoing. The earlier therapies like radiotherapy with x-rays, chemotherapy are associated…

Accelerator Physics · Physics 2024-06-06 R. Kanishka

Machine learning in neurosurgery is limited by challenges in assembling large, high-quality imaging datasets. Synthetic data offers a scalable, privacy-preserving solution. We evaluated the feasibility of generating realistic lateral…

Radio-Stereometric-Analysis and x-ray fluoroscopy are radiological techniques that require dedicated software to process data. The accurate calibration of these software is therefore critical. The aim of this work is to produce a protocol…

Proton computed tomography (pCT) is a novel imaging modality developed for patients receiving proton radiation therapy. The purpose of this work was to investigate hull-detection algorithms used for preconditioning of the large and sparse…

Computer Vision and Pattern Recognition · Computer Science 2014-02-10 Blake Schultze , Micah Witt , Yair Censor , Reinhard Schulte , Keith Evan Schubert

Objective. Patients implanted with the PRIMA photovoltaic subretinal prosthesis in geographic atrophy report form vision with the average acuity matching the 100um pixel size. Although this remarkable outcome enables them to read and write,…

Human-Computer Interaction · Computer Science 2026-01-09 Anna Kochnev Goldstein , Jungyeon Park , Yueming Zhuo , Nathan Jensen , Daniel Palanker

Motion management is a critical component of image guidance radiotherapy for lung cancer. We previously proposed a scheme using kV scattered x-ray photons for marker-less real-time image guidance in lung cancer radiotherapy. This study…

Medical Physics · Physics 2020-09-11 Yanqi Huang , Kai Yang , Youfang Lai , Huan Liu , Chenyang Shen , Yuncheng Zhong , Yiping Shao , Xinhua Li , Bob Liu , Xun Jia

We propose an oAPT workflow that incorporates all these functionalities and validate its clinical implementation feasibility with prostate patients. AI-based auto-segmentation tool AccuContourTM (Manteia, Xiamen, China) was seamlessly…

Purpose: To develop a DL-based PBSPT dose prediction workflow with high accuracy and balanced complexity to support on-line adaptive proton therapy clinical decision and subsequent replanning. Methods: PBSPT plans of 103 prostate cancer…

This study presents a proof-of-concept for a novel Bayesian inverse method in a one-dimensional setting, aimed at proton beam therapy treatment verification. Our methodology is predicated on a hypothetical scenario wherein strategically…

Applications · Statistics 2023-11-21 Alexander M. G. Cox , Laura Hattam , Andreas E. Kyprianou , Tristan Pryer

BACKGROUND: Prostate brachytherapy consists in placing radioactive seeds for tumour destruction under transrectal ultrasound imaging (TRUS) control. It requires prostate delineation from the images for dose planning. Because ultrasound…

Other Computer Science · Computer Science 2007-12-14 V. Daanen , J. Gastaldo , J. Y. Giraud , P. Fourneret , J. L. Descotes , M. Bolla , D. Collomb , Jocelyne Troccaz

The use of dual-energy CT (DECT) potentially decreases range uncertainties in proton and ion therapy treatment planning via determination of the involved physical target quantities. For eventual clinical application, the correct treatment…

Medical Physics · Physics 2016-05-19 Christian Möhler , Patrick Wohlfahrt , Christian Richter , Steffen Greilich

Cone beam computed tomography (CBCT) for breast imaging has potential to replace conventional mammograms. However, concerns over dose and image quality prevent CBBCT systems from the clinical trial phase to next stage. The time of flight…

Medical Physics · Physics 2021-02-01 Ignacio O. Romero , Changqing Li

We present three variants of a lightweight, fully connected artificial neural network, suited for interactive estimation of three-dimensional, spatially resolved volumes of scattered radiation fields and a corresponding training pipeline…

Machine Learning · Computer Science 2026-04-16 Felix Lehner , Pasquale Lombardo , Susana Castillo , Oliver Hupe , Marcus Magnor

For the one billion sufferers of respiratory disease, managing their disease with inhalers crucially influences their quality of life. Generic treatment plans could be improved with the aid of computational models that account for…

Proton radiography is a useful diagnostic of high energy density (HED) plasmas under active theoretical and experimental development. In this paper we describe a new simulation tool that interacts realistic laser-driven point-like proton…

It is difficult or infeasible to directly measure how much of a drug actually enters the human brain and a brain tumor, how long it remains there, and to estimate drug-specific or patient-specific parameters, as well as how changes in these…

Dynamical Systems · Mathematics 2026-03-13 Charuka D. Wickramasinghe , Nelum S. S. M. Hapuhinna

Purpose: In this study, we present the creation of an anthropomorphic, head and neck, nuclear medicine phantom and its characterization for the validation of a Monte Carlo, SPECT image based, Iodine-131 RPT dosimetry workflow. Methods: 3D…

Quantum state tomography is a fundamental task in quantum information science, enabling detailed characterization of correlations, entanglement, and electronic structure in quantum systems. However, its exponential measurement and…

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