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Brain tumor image segmentation is a challenging research topic in which deep-learning models have presented the best results. However, the traditional way of training those models from many pre-annotated images leaves several unanswered…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Matheus A. Cerqueira , Flávia Sprenger , Bernardo C. A. Teixeira , Alexandre X. Falcão

Computational systems and methods are often being used in biological research, including the understanding of cancer and the development of treatments. Simulations of tumor growth and its response to different drugs are of particular…

In the realm of time series analysis, accurately measuring similarity is crucial for applications such as forecasting, anomaly detection, and clustering. However, existing metrics often fail to capture the complex, multidimensional nature…

Machine Learning · Computer Science 2024-05-13 Yuhan Liu , Ke Tu

Understanding how the spatial structure of blood vessel networks relates to their function in healthy and abnormal biological tissues could improve diagnosis and treatment for diseases such as cancer. New imaging techniques can generate…

Quantitative Methods · Quantitative Biology 2019-07-23 Helen M Byrne , Heather A Harrington , Ruth Muschel , Gesine Reinert , Bernadette J Stolz , Ulrike Tillmann

Cervical cancer presents a significant global health challenge, necessitating advanced diagnostic and prognostic approaches for effective treatment. This paper investigates the potential of employing multi-modal medical imaging at various…

Medical Physics · Physics 2024-08-27 Haotian Feng , Emi Yoshida , Ke Sheng

Precise patient positioning and thus precise positioning of the planning target volume (PTV) is a prerequisite for effective treatment in percutaneous radiation therapy. Conventional imaging modalities used to ensure exact positioning for…

Medical Physics · Physics 2016-02-12 Manfred Wiencierz , Kathrin Kruppa , Lutz Lüdemann

In the radiation therapy of nasopharyngeal carcinoma (NPC), clinicians typically delineate the gross tumor volume (GTV) using non-contrast planning computed tomography to ensure accurate radiation dose delivery. However, the low contrast…

Image and Video Processing · Electrical Eng. & Systems 2025-06-30 Zi Li , Ying Chen , Zeli Chen , Yanzhou Su , Tai Ma , Tony C. W. Mok , Yan-Jie Zhou , Yunhai Bai , Zhinlin Zheng , Le Lu , Yirui Wang , Jia Ge , Xianghua Ye , Senxiang Yan , Dakai Jin

To improve patient survival and treatment outcomes, early diagnosis of brain tumors is an essential task. It is a difficult task to evaluate the magnetic resonance imaging (MRI) images manually. Thus, there is a need for digital methods for…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Ginni Garg , Ritu Garg

It is possible to find the optimized radiation dose per session for a radiotherapy (RT) treatment, using a population dynamics model. This has already been done in a previous work for a protocol with 30 sessions and a fixed dose per…

Ultrasound computed tomography (USCT) quantifies acoustic tissue properties such as the speed-of-sound (SOS). Although full-waveform inversion (FWI) is an effective method for accurate SOS reconstruction, it can be computationally…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Gangwon Jeong , Fu Li , Trevor M. Mitcham , Umberto Villa , Nebojsa Duric , Mark A. Anastasio

Inter-observer variation is a significant problem in clinical target volume(CTV) segmentation in postoperative settings, where there is no gross tumor present. In this scenario, the CTV is not an anatomically established structure, but one…

Radiomics is a nascent field in quantitative imaging that uses advanced algorithms and considerable computing power to describe tumor phenotypes, monitor treatment response, and assess normal tissue toxicity quantifiably. Remarkable…

Medical Physics · Physics 2019-11-26 Jiwoong Jeong , Arif Ali , Tian Liu , Hui Mao , Walter J. Curran , Xiaofeng Yang

Survival prediction based on whole slide images (WSIs) is a challenging task for patient-level multiple instance learning (MIL). Due to the vast amount of data for a patient (one or multiple gigapixels WSIs) and the irregularly shaped…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Zhuchen Shao , Yang Chen , Hao Bian , Jian Zhang , Guojun Liu , Yongbing Zhang

Computer-assisted diagnosis (CAD) based on deep learning has become a crucial diagnostic technology in the medical industry, effectively improving diagnosis accuracy. However, the scarcity of brain tumor Magnetic Resonance (MR) image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Panjian Huang , Xu Liu , Yongzhen Huang

Conventional computational ghost imaging (CGI) uses light carrying a sequence of patterns with uniform-resolution to illuminate the object, then performs correlation calculation based on the light intensity value reflected by the target and…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Dong Zhou , Jie Cao , Huan Cui , Li-Xing Lin , Haoyu Zhang , Yingqiang Zhang , Qun Hao

Radiotherapy (RT) combined with cetuximab is the standard treatment for patients with inoperable head and neck cancers. Segmentation of head and neck (H&N) tumors is a prerequisite for radiotherapy planning but a time-consuming process. In…

Image and Video Processing · Electrical Eng. & Systems 2023-10-16 Gary Y. Li , Junyu Chen , Se-In Jang , Kuang Gong , Quanzheng Li

Using fiducial markers on patient's body surface to predict the tumor location is a widely used approach in lung cancer radiotherapy. The purpose of this work is to propose an algorithm that automatically identifies a sparse set of…

Medical Physics · Physics 2015-06-04 Bin Dong , Yan Jiang Graves , Xun Jia , Steve B. Jiang

The spectacular response observed in clinical trials of immunotherapy in patients with previously uncurable Melanoma, a highly aggressive form of skin cancer, calls for a better understanding of the cancer-immune interface. Computational…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Konstantinos Zormpas-Petridis , Henrik Failmezger , Ioannis Roxanis , Matthew Blackledge , Yann Jamin , Yinyin Yuan

Near infrared diffuse optical tomography (DOT) provides an imaging modality for the oxygenation of tissue. In this paper, we propose a novel machine learning algorithm based on time-domain radiative transfer equation. We use temporal…

Medical Physics · Physics 2020-11-26 Yu-ichi Takamizu , Masayuki Umemura , Hidenobu Yajima , Makito Abe , Yoko Hoshi

We describe a project-based introduction to reproducible and collaborative neuroimaging analysis. Traditional teaching on neuroimaging usually consists of a series of lectures that emphasize the big picture rather than the foundations on…

Other Statistics · Statistics 2018-10-23 K. Jarrod Millman , Matthew Brett , Ross Barnowski , Jean-Baptiste Poline