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Tumor segmentation from multi-modal brain MRI images is a challenging task due to the limited samples, high variance in shapes and uneven distribution of tumor morphology. The performance of automated medical image segmentation has been…

图像与视频处理 · 电气工程与系统科学 2024-02-13 Tianyi Ren , Ethan Honey , Harshitha Rebala , Abhishek Sharma , Agamdeep Chopra , Mehmet Kurt

Classification-based image retrieval systems are built by training convolutional neural networks (CNNs) on a relevant classification problem and using the distance in the resulting feature space as a similarity metric. However, in practical…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Maxim Pisov , Gleb Makarchuk , Valery Kostjuchenko , Alexandra Dalechina , Andrey Golanov , Mikhail Belyaev

In this paper we the formulation of inverse problems as constrained minimization problems and their iterative solution by gradient or Newton type. We carry out a convergence analysis in the sense of regularization methods and discuss…

数值分析 · 数学 2021-01-15 Barbara Kaltenbacher , Kha Van Huynh

Deep learning has emerged as a prominent field in recent literature, showcasing the introduction of models that utilize transfer learning to achieve remarkable accuracies in the classification of brain tumor MRI images. However, the…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Raza Imam , Mohammed Talha Alam

Detection of brain tumor using a segmentation based approach is critical in cases, where survival of a subject depends on an accurate and timely clinical diagnosis. Gliomas are the most commonly found tumors having irregular shape and…

计算机视觉与模式识别 · 计算机科学 2018-04-16 Saddam Hussain , Syed Muhammad Anwar , Muhammad Majid

Brain tumor is considered as one of the deadliest and most common form of cancer both in children and in adults. Consequently, determining the correct type of brain tumor in early stages is of significant importance to devise a precise…

计算机视觉与模式识别 · 计算机科学 2018-03-05 Parnian Afshar , Arash Mohammadi , Konstantinos N. Plataniotis

During the last decades, medical observations and multiscale data concerning tumor growth are mounting. At the same time, contemporary imaging techniques well established in clinical practice, provide a variety of information on real-time,…

组织与器官 · 定量生物学 2017-12-11 Markos Antonopoulos , Georgios Stamatakos

Computational models provide crucial insights into complex biological processes such as cancer evolution, but their mechanistic nature often makes them nonlinear and parameter-rich, complicating calibration. We systematically evaluate…

偏微分方程分析 · 数学 2025-09-24 Christina Schenk , Jacobo Ayensa Jiménez , Ignacio Romero

Glioblastoma (GBM) is an aggressive primary brain tumor with a median survival of approximately 15 months. In clinical practice, the Stupp protocol serves as the standard first-line treatment. However, patients exhibit highly heterogeneous…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Alexandre G. Leclercq , Sébastien Bougleux , Noémie N. Moreau , Alexis Desmonts , Romain Hérault , Aurélien Corroyer-Dulmont

We further develop a new framework, called PDE Acceleration, by applying it to calculus of variations problems defined for general functions on $\mathbb{R}^n$, obtaining efficient numerical algorithms to solve the resulting class of…

数值分析 · 计算机科学 2018-10-02 Minas Benyamin , Jeff Calder , Ganesh Sundaramoorthi , Anthony Yezzi

Glioblastoma is profoundly heterogeneous in microstructure and vasculature, which may lead to tumor regional diversity and distinct treatment response. Although successful in tumor sub-region segmentation and survival prediction, radiomics…

图像与视频处理 · 电气工程与系统科学 2021-09-30 Yifan Li , Chao Li , Stephen Price , Carola-Bibiane Schönlieb , Xi Chen

Accurately predicting early recurrence in brain tumor patients following surgical resection remains a clinical challenge. This study proposes a multi-modal machine learning framework that integrates structural MRI features with clinical…

机器学习 · 计算机科学 2025-09-03 Cheng Cheng , Zeping Chen , Rui Xie , Peiyao Zheng , Xavier Wang

Solving non-convex regularized inverse problems is challenging due to their complex optimization landscapes and multiple local minima. However, these models remain widely studied as they often yield high-quality, task-oriented solutions,…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Elena Morotti

Brain tumors are abnormal cell growths in the central nervous system (CNS), and their timely detection is critical for improving patient outcomes. This paper proposes an automatic and efficient deep-learning framework for brain tumor…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Ahta-Shamul Hoque Emran , Hafija Akter , Abdullah Al Shiam , Abu Saleh Musa Miah , Anichur Rahman , Fahmid Al Farid , Hezerul Abdul Karim

Brain tumor is a life-threatening problem and hampers the normal functioning of the human body. The average five-year relative survival rate for malignant brain tumors is 35.6 percent. For proper diagnosis and efficient treatment planning,…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Vidhyapriya Ranganathan , Celshiya Udaiyar , Jaisree Jayanth , Meghaa P , Srija B , Uthra S

Recent research has used deep learning to develop partial differential equation (PDE) models in science and engineering. The functional form of the PDE is determined by a neural network, and the neural network parameters are calibrated to…

机器学习 · 计算机科学 2023-10-17 Justin Sirignano , Jonathan MacArt , Konstantinos Spiliopoulos

In this paper, we investigate the tumor instability by employing both analytical and numerical techniques to validate previous results and extend the analytical findings presented in a prior study by Feng et al 2023. Building upon the…

偏微分方程分析 · 数学 2024-01-11 Jian-Guo Liu , Thomas Witelski , Xiaoqian Xu , Jiaqi Zhang

We propose a curve-based Riemannian-geometric approach for general shape-based statistical analyses of tumors obtained from radiologic images. A key component of the framework is a suitable metric that (1) enables comparisons of tumor…

应用统计 · 统计学 2017-02-07 Karthik Bharath , Sebastian Kurtek , Arvind Rao , Veerabhadran Baladandayuthapani

This study proposes a deep learning model for the classification and segmentation of brain tumors from magnetic resonance imaging (MRI) scans. The classification model is based on the EfficientNetB1 architecture and is trained to classify…

图像与视频处理 · 电气工程与系统科学 2023-06-27 Belal Amin , Romario Sameh Samir , Youssef Tarek , Mohammed Ahmed , Rana Ibrahim , Manar Ahmed , Mohamed Hassan

Abnormal development of tissues in the body as a result of swelling and morbid enlargement is known as a tumor. They are mainly classified as Benign and Malignant. Tumour in the brain is fatal as it may be cancerous, so it can feed on…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Gopinath Balaji , Ranit Sen , Harsh Kirty