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Diffusion models (DMs) have recently been introduced as a regularizing prior for PET image reconstruction, integrating DMs trained on high-quality PET images with unsupervised schemes that condition on measured data. While these approaches…

Medical Physics · Physics 2026-03-18 George Webber , Alexander Hammers , Andrew P King , Andrew J Reader

Modeling of brain tumor dynamics has the potential to advance therapeutic planning. Current modeling approaches resort to numerical solvers that simulate the tumor progression according to a given differential equation. Using…

Computational Engineering, Finance, and Science · Computer Science 2021-04-16 Ivan Ezhov , Tudor Mot , Suprosanna Shit , Jana Lipkova , Johannes C. Paetzold , Florian Kofler , Fernando Navarro , Chantal Pellegrini , Marcel Kollovieh , Marie Metz , Benedikt Wiestler , Bjoern Menze

It is essential to classify brain tumors from magnetic resonance imaging (MRI) accurately for better and timely treatment of the patients. In this paper, we propose a hybrid model, using VGG along with Nonlinear-SVM (Soft and Hard) to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Lalita Mishra , Shekhar Verma , Shirshu Varma

This paper proposes a computer-assisted system for the surgical treatment of exophthalmia. This treatment is classically characterized by a de-compression of the orbit, by the mean of an orbital walls osteotomy. The plan-ning of this…

Medical Physics · Physics 2007-05-23 Vincent Luboz , Annaig Pedrono , Franck Boutault , Pascal Swider , Yohan Payan

We present a numerical scheme for solving an inverse problem for parameter estimation in tumor growth models for glioblastomas, a form of aggressive primary brain tumor. The growth model is a reaction-diffusion partial differential equation…

Medical Physics · Physics 2020-04-22 Shashank Subramanian , Klaudius Scheufele , Miriam Mehl , George Biros

Brain extraction from images is a common pre-processing step. Many approaches exist, but they are frequently only designed to perform brain extraction from images without strong pathologies. Extracting the brain from images with strong…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Xu Han , Roland Kwitt , Stephen Aylward , Spyridon Bakas , Bjoern Menze , Alexander Asturias , Paul Vespa , John Van Horn , Marc Niethammer

The imaging and subsequent accurate diagnosis of paediatric brain tumours presents a radiological challenge, with magnetic resonance imaging playing a key role in providing tumour specific imaging information. Diffusion weighted and…

Brain tumor classification is a challenging task in medical image analysis. In this paper, we propose a novel approach to brain tumor classification using a vision transformer with a novel cross-attention mechanism. Our approach leverages…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Mohammad Ali Labbaf Khaniki , Marzieh Mirzaeibonehkhater , Mohammad Manthouri , Elham Hasani

Background: Gliomas are the most common brain tumors, which vary from low to high-grade. Despite the improvements in imaging techniques in the last decade, all parts of the tumor are not visible in these images, due to having a threshold of…

Other Quantitative Biology · Quantitative Biology 2023-09-06 Farshad Samadifam , Ehsan Ghafourian

Brain plays a crucial role in regulating body functions and cognitive processes, with brain tumors posing significant risks to human health. Precise and prompt detection is a key factor in proper treatment and better patient outcomes.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Roham Maiti , Debasmita Bhoumik

The use of supervised deep learning techniques to detect pathologies in brain MRI scans can be challenging due to the diversity of brain anatomy and the need for annotated data sets. An alternative approach is to use unsupervised anomaly…

Image and Video Processing · Electrical Eng. & Systems 2023-03-08 Finn Behrendt , Debayan Bhattacharya , Julia Krüger , Roland Opfer , Alexander Schlaefer

We present a MATLAB code for exponential integrators method simulating the glioblastoma tumor growth. It employs the Fisher-Kolmogorov diffusion-reaction tumor brain model with logistic growth. The input is the MRI scans of the human head…

Numerical Analysis · Mathematics 2024-09-24 Magdalena Pabisz , Judit Muñoz-Matute , Maciej Paszyński

Brain tumors present a grave risk to human life, demanding precise and timely diagnosis for effective treatment. Inaccurate identification of brain tumors can significantly diminish life expectancy, underscoring the critical need for…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Md. Alamin Talukder , Md. Manowarul Islam , Md Ashraf Uddin

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

Gliomas are brain tumor types that have a high mortality rate which means early and accurate diagnosis is important for therapeutic intervention for the tumors. To address this difficulty, the proposed research will develop a hybrid deep…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Pandiyaraju V , Sreya Mynampati , Abishek Karthik , Poovarasan L , D. Saraswathi

In this paper, we present a fully automatic brain tumor segmentation and classification model using a Deep Convolutional Neural Network that includes a multiscale approach. One of the differences of our proposal with respect to previous…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Francisco Javier Díaz-Pernas , Mario Martínez-Zarzuela , Míriam Antón-Rodríguez , David González-Ortega

Foundation models pretrained on large-scale pathology datasets have shown promising results across various diagnostic tasks. Here, we present a systematic evaluation of transfer learning strategies for brain tumor classification using these…

Image and Video Processing · Electrical Eng. & Systems 2025-04-09 Ken Enda , Yoshitaka Oda , Zen-ichi Tanei , Kenichi Satoh , Hiroaki Motegi , Terasaka Shunsuke , Shigeru Yamaguchi , Takahiro Ogawa , Wang Lei , Masumi Tsuda , Shinya Tanaka

In a previous paper we have introduced a phenomenological model of cell metabolism and of the cell cycle to simulate the behavior of large tumor cell populations (Chignola R and Milotti E, Phys. Biol. 2 (2005) 8-22). Here we describe a…

Biological Physics · Physics 2009-11-13 Roberto Chignola , Alessio Del Fabbro , Chiara Dalla Pellegrina , Edoardo Milotti

In recent advancement towards computer based diagnostics system, the classification of brain tumor images is a challenging task. This paper mainly focuses on elevating the classification accuracy of brain tumor images with transfer learning…

Image and Video Processing · Electrical Eng. & Systems 2022-06-20 Pramit Dutta , Khaleda Akhter Sathi , Md. Saiful Islam

MRI-based medical imaging has become indispensable in modern clinical diagnosis, particularly for brain tumor detection. However, the rapid growth in data volume poses challenges for conventional diagnostic approaches. Although deep…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Hayder Saad Abdulbaqi , Mohammed Hadi Rahim , Mohammed Hassan Hadi , Haider Ali Aboud , Ali Hussein Allawi
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