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Glioma constitutes 80% of malignant primary brain tumors and is usually classified as HGG and LGG. The LGG tumors are less aggressive, with slower growth rate as compared to HGG, and are responsive to therapy. Tumor biopsy being challenging…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Subhashis Banerjee , Sushmita Mitra , Francesco Masulli , Stefano Rovetta

Radiation therapy (RT) is a vital part of treatment for head and neck cancer, where accurate segmentation of gross tumor volume (GTV) is essential for effective treatment planning. This study investigates the use of pre-RT tumor regions and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jintao Ren , Kim Hochreuter , Mathis Ersted Rasmussen , Jesper Folsted Kallehauge , Stine Sofia Korreman

A novel phase-space source implementation has been designed for GPU-based Monte Carlo dose calculation engines. Due to the parallelized nature of GPU hardware, it is essential to simultaneously transport particles of the same type and…

Medical Physics · Physics 2013-06-21 Reid Townson , Xun Jia , Zhen Tian , Yan Jiang Graves , Sergei Zavgorodni , Steve B Jiang

Cone-beam CT (CBCT) has been widely used in image guided radiation therapy (IGRT) to acquire updated volumetric anatomical information before treatment fractions for accurate patient alignment purpose. However, the excessive x-ray imaging…

Medical Physics · Physics 2010-04-13 Xun Jia , Yifei Lou , John Lewis , Ruijiang Li , Xuejun Gu , Chunhua Men , William Y. Song , Steve B. Jiang

Breast cancer is a significant public health concern and early detection is critical for triaging high risk patients. Sequential screening mammograms can provide important spatiotemporal information about changes in breast tissue over time.…

Image and Video Processing · Electrical Eng. & Systems 2023-06-05 Hong Hui Yeoh , Andrea Liew , Raphaël Phan , Fredrik Strand , Kartini Rahmat , Tuong Linh Nguyen , John L. Hopper , Maxine Tan

Computer-Aided Diagnosis and Treatment of Tumors is a hot topic of deep learning in recent years, which constitutes a series of medical tasks, such as detection of tumor markers, the outline of tumor leisures, subtypes and stages of tumors,…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Dan Zhao , Guizhi Xu , Zhenghua XU , Thomas Lukasiewicz , Minmin Xue , Zhigang Fu

Currently in HDR brachytherapy planning, a manual fine-tuning of an objective function is necessary to obtain case-specific valid plans. This study intends to facilitate this process by proposing a patient-specific inverse planning…

Medical Physics · Physics 2019-05-22 Cédric Bélanger , Songye Cui , Yunzhi Ma , Philippe Després , J. Adam M. Cunha , Luc Beaulieu

Radiation Therapy (RT) plays a pivotal role in the treatment of cancer, offering the potential to effectively target and eliminate tumour cells while minimizing harm to surrounding healthy tissues. However, the success of RT heavily depends…

Medical Physics · Physics 2024-02-16 Keshav Kumar K. , NVSL Narasimham , A. Ramakrishna Prasad

Breast cancer remains a global challenge, causing over 1 million deaths globally in 2018. To achieve earlier breast cancer detection, screening x-ray mammography is recommended by health organizations worldwide and has been estimated to…

Due to the lack of available annotated medical images, accurate computer-assisted diagnosis requires intensive Data Augmentation (DA) techniques, such as geometric/intensity transformations of original images; however, those transformed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

Background: The current clinical workflow for esophageal gross tumor volume (GTV) contouring relies on manual delineation of high labor-costs and interuser variability. Purpose: To validate the clinical applicability of a deep learning (DL)…

Brain tumors are a challenging problem in neuro-oncology, where early and precise diagnosis is important for successful treatment. Deep learning-based brain tumor classification methods often rely on heavy data augmentation which can limit…

Machine Learning · Computer Science 2026-04-20 Saraf Anzum Shreya , MD. Abu Ismail Siddique , Sharaf Tasnim

Cancer pathology is unique to a given individual, and developing personalized diagnostic and treatment protocols are a primary concern. Mathematical modeling and simulation is a promising approach to personalized cancer medicine. Yet, the…

Tissues and Organs · Quantitative Biology 2020-08-03 Alvaro Köhn-Luque , Xiaoran Lai , Arnoldo Frigessi

This study is focused on applying genetic algorithms (GA) to model and band selection in hyperspectral image classification. We use a forensic-inspired data set of seven hyperspectral images with blood and five visually similar substances…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Filip Pałka , Wojciech Książek , Paweł Pławiak , Michał Romaszewski , Kamil Książek

In the precision medicine era, there is a growing need for precision radiotherapy where the planned radiation dose needs to be optimally determined by considering a myriad of patient-specific information in order to ensure treatment…

Machine Learning · Statistics 2022-02-10 Wenbo Sun , Dipesh Niraula , Issam El Naqa , Randall K Ten Haken , Ivo D Dinov , Kyle Cuneo , Judy Jin

Searching for sources of electromagnetic emission in spectral-line radio astronomy interferometric data is a computationally intensive process. Parallel programming techniques and High Performance Computing hardware may be used to improve…

Instrumentation and Methods for Astrophysics · Physics 2015-07-20 Stefan Westerlund , Christopher Harris

We propose a method to accurately obtain the ratio of tumor cells over an entire histological slide. We use deep fully convolutional neural network models trained to detect and classify cells on images of H&E-stained tissue sections.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-29 Eric Cosatto , Kyle Gerard , Hans-Peter Graf , Maki Ogura , Tomoharu Kiyuna , Kanako C. Hatanaka , Yoshihiro Matsuno , Yutaka Hatanaka

Proton computed tomography (pCT) is a novel medical imaging modality for mapping the distribution of proton relative stopping power (RSP) in medical objects of interest. Compared to conventional X-ray computed tomography, where range…

Tumor volume and changes in tumor characteristics over time are important biomarkers for cancer therapy. In this context, FDG-PET/CT scans are routinely used for staging and re-staging of cancer, as the radiolabeled fluorodeoxyglucose is…