English
Related papers

Related papers: Improving Proton Dose Calculation Accuracy by Usin…

200 papers

Online adaptive radiation therapy (ART) is an attractive concept that promises the ability to deliver an optimal treatment in response to the inter-fraction variability in patient anatomy. However, it has yet to be realized due to technical…

Medical Physics · Physics 2015-05-14 Xuejun Gu , Dongju Choi , Chunhua Men , Hubert Pan , Amitava Majumdar , Steve B. Jiang

Despite the success of machine learning (ML) in surrogate modeling, its use in radiation dose assessment is limited by safety-critical constraints, scarce training-ready data, and challenges in selecting suitable architectures for…

Machine Learning · Computer Science 2026-02-24 Biswajit Sadhu , Kalpak Gupte , Trijit Sadhu , S. Anand

Motivation: Tumor classification using Imaging Mass Spectrometry (IMS) data has a high potential for future applications in pathology. Due to the complexity and size of the data, automated feature extraction and classification steps are…

Machine Learning · Statistics 2018-06-28 Jens Behrmann , Christian Etmann , Tobias Boskamp , Rita Casadonte , Jörg Kriegsmann , Peter Maass

This work addresses computing techniques for dose calculations in treatment planning with proton and ion beams, based on an efficient kernel-convolution method referred to as grid-dose spreading (GDS) and accurate heterogeneity-correction…

Medical Physics · Physics 2012-01-11 Nobuyuki Kanematsu

Dose escalation radiotherapy allows increased control of prostate cancer (PCa) but requires segmentation of dominant index lesions (DIL), motivating the development of automated methods for fast, accurate, and consistent segmentation of PCa…

Image and Video Processing · Electrical Eng. & Systems 2023-03-08 Josiah Simeth , Jue Jiang , Anton Nosov , Andreas Wibmer , Michael Zelefsky , Neelam Tyagi , Harini Veeraraghavan

Purpose: We sought to evaluate the feasibility of using machine learning algorithms for multipoint plastic scintillator detector calibration in high-dose-rate brachytherapy. Methods: The dosimetry system consisted of an optimized 1-mm-core…

The DeepDoseNet 3D dose prediction model based on ResNet and Dilated DenseNet is proposed. The 340 head-and-neck datasets from the 2020 AAPM OpenKBP challenge were utilized, with 200 for training, 40 for validation, and 100 for testing.…

Radiotherapy of pregnant cancer patients is not common, but when applied accurate assessment of the fetus dose is required, especially since the treatment planning systems are not able and do not allow accurate assessment of out-of-field…

Medical Physics · Physics 2021-12-08 Marijke De Saint-Hubert , Katarzyna Tyminska , Liliana Stolarczyk , Hrvoje Brkic

In the development of new cancer treatment, an essential step is to determine the maximum tolerated dose (MTD) via phase I clinical trials. Generally speaking, phase I trial designs can be classified as either model-based or algorithm-based…

Applications · Statistics 2022-03-02 Huaqing Jin , Wenbin Du , Guosheng Yin

Purpose: Estimation of patient-specific organ doses is required for more comprehensive dose metrics, such as effective dose. Currently, available methods are performed retrospectively using the CT images themselves, which can only be done…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Abdullah-Al-Zubaer Imran , Sen Wang , Debashish Pal , Sandeep Dutta , Bhavik Patel , Evan Zucker , Adam Wang

Background: Accurate deformable image registration (DIR) is required for contour propagation and dose accumulation in MR-guided adaptive radiotherapy (MRgART). This study trained and evaluated a deep learning DIR method for domain invariant…

The study of high-throughput genomic profiles from a pharmacogenomics viewpoint has provided unprecedented insights into the oncogenic features modulating drug response. A recent screening of ~1,000 cancer cell lines to a collection of…

Deep learning-based computer-aided diagnosis has achieved unprecedented performance in breast cancer detection. However, most approaches are computationally intensive, which impedes their broader dissemination in real-world applications. In…

Image and Video Processing · Electrical Eng. & Systems 2022-01-14 Jiaqiao Shi , Aleksandar Vakanski , Min Xian , Jianrui Ding , Chunping Ning

This study focuses on analyzing dermoscopy images to determine the depth of melanomas, which is a critical factor in diagnosing and treating skin cancer. The Breslow depth, measured from the top of the granular layer to the deepest point of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Miguel Nogales , Begoña Acha , Fernando Alarcón , José Pereyra , Carmen Serrano

Brain tumors are serious health problems that require early diagnosis due to their high mortality rates. Diagnosing tumors by examining Magnetic Resonance Imaging (MRI) images is a process that requires expertise and is prone to error.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Mustafa Yurdakul , Şakir Taşdemir

Prostate cancer (Pca) continues to be a leading cause of cancer-related mortality in men, and the limitations in precision of traditional diagnostic methods such as the Digital Rectal Exam (DRE), Prostate-Specific Antigen (PSA) testing, and…

Differentiating tumor progression (TP) from treatment-related necrosis (TN) is critical for clinical management decisions in glioblastoma (GBM). Dynamic FDG PET (dPET), an advance from traditional static FDG PET, may prove advantageous in…

Image and Video Processing · Electrical Eng. & Systems 2023-03-01 Tonmoy Hossain , Zoraiz Qureshi , Nivetha Jayakumar , Thomas Eluvathingal Muttikkal , Sohil Patel , David Schiff , Miaomiao Zhang , Bijoy Kundu

Dose verification based on proton-induced positron emitters is a promising quality assurance tool and may leverage the strength of artificial intelligence. To move a step closer towards practical application, the sensitivity analysis of two…

Medical Physics · Physics 2022-12-23 Shixiong Yu , Yuxiang Liu , Zongsheng Hu , Haozhao Zhang , Pengyu Qi , Hao Peng

In the United States, prostate cancer is the second leading cause of deaths in males with a predicted 35,250 deaths in 2024. However, most diagnoses are non-lethal and deemed clinically insignificant which means that the patient will likely…

Machine Learning · Computer Science 2024-11-08 Benjamin Ng , Chi-en Amy Tai , E. Zhixuan Zeng , Alexander Wong

This study focuses on comparing deep learning methods for the segmentation and quantification of uncertainty in prostate segmentation from MRI images. The aim is to improve the workflow of prostate cancer detection and diagnosis. Seven…

Image and Video Processing · Electrical Eng. & Systems 2023-08-10 Pablo Cesar Quihui-Rubio , Daniel Flores-Araiza , Gilberto Ochoa-Ruiz , Miguel Gonzalez-Mendoza , Christian Mata