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This article presents a convolutional neural network for the automatic segmentation of brain tumors in multimodal 3D MR images based on a U-net architecture.We evaluate the use of a densely connected convolutional network encoder (DenseNet)…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Jean Stawiaski

Purpose: Accurate segmentation of glioma subregions in multi-parametric MRI (MP-MRI) is essential for diagnosis and treatment planning but remains challenging due to tumor heterogeneity and ambiguous boundaries. This study proposes an…

Medical Physics · Physics 2025-07-22 Zhenyu Yang , Chen Yang , Rihui Zhang , Minbin Chen , Chunhao Wang , Fang-Fang Yin

A major challenge in brain tumor treatment planning and quantitative evaluation is determination of the tumor extent. The noninvasive magnetic resonance imaging (MRI) technique has emerged as a front-line diagnostic tool for brain tumors…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Hao Dong , Guang Yang , Fangde Liu , Yuanhan Mo , Yike Guo

Gliomas are the most common primary brain malignancies, with different degrees of aggressiveness, variable prognosis and various heterogeneous histological sub-regions, i.e., peritumoral edema, necrotic core, enhancing and non-enhancing…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Marco Domenico Cirillo , David Abramian , Anders Eklund

Early detection of brain tumors through magnetic resonance imaging (MRI) is essential for timely treatment, yet access to diagnostic facilities remains limited in remote areas. Gliomas, the most common primary brain tumors, arise from the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Khush Mendiratta , Shweta Singh , Pratik Chattopadhyay

Segmentation is crucial for brain gliomas as it delineates the glioma s extent and location, aiding in precise treatment planning and monitoring, thus improving patient outcomes. Accurate segmentation ensures proper identification of the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Kiranmayee Janardhan , Vinay Martin DSa Prabhu , T. Christy Bobby

3D medical image processing with deep learning greatly suffers from a lack of data. Thus, studies carried out in this field are limited compared to works related to 2D natural image analysis, where very large datasets exist. As a result,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Hicham Messaoudi , Ahror Belaid , Mohamed Lamine Allaoui , Ahcene Zetout , Mohand Said Allili , Souhil Tliba , Douraied Ben Salem , Pierre-Henri Conze

Improving patient outcomes depends on the prompt and accurate diagnosis of brain tumors, but manual MRI scan analysis is still time-consuming and unreliable. Although deep learning has shown promise, many of the models that are now in use…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Md Fahimul Kabir Chowdhury , Jannatul Ferdous

Early diagnosis and accurate segmentation of brain tumors are imperative for successful treatment. Unfortunately, manual segmentation is time consuming, costly and despite extensive human expertise often inaccurate. Here, we present an…

Image and Video Processing · Electrical Eng. & Systems 2019-10-07 Markus Frey , Matthias Nau

Brain tumor segmentation is a fundamental step in assessing a patient's cancer progression. However, manual segmentation demands significant expert time to identify tumors in 3D multimodal brain MRI scans accurately. This reliance on manual…

Image and Video Processing · Electrical Eng. & Systems 2024-05-07 Fadillah Maani , Anees Ur Rehman Hashmi , Numan Saeed , Mohammad Yaqub

Deep convolutional neural networks (CNNs) have become an essential tool in the medical imaging-based computer-aided diagnostic pipeline. However, training accurate and reliable CNNs requires large fine-grain annotated datasets. To alleviate…

Image and Video Processing · Electrical Eng. & Systems 2021-12-01 Sajith Rajapaksa , Farzad Khalvati

PET-CT lesion segmentation is challenging due to noise sensitivity, small and variable lesion morphology, and interference from physiological high-metabolic signals. Current mainstream approaches follow the practice of one network solving…

Image and Video Processing · Electrical Eng. & Systems 2025-07-11 Xinglong Liang , Jiaju Huang , Luyi Han , Tianyu Zhang , Xin Wang , Yuan Gao , Chunyao Lu , Lishan Cai , Tao Tan , Ritse Mann

This work introduces a novel framework for brain tumor segmentation leveraging pre-trained GANs and Unet architectures. By combining a global anomaly detection module with a refined mask generation network, the proposed model accurately…

Image and Video Processing · Electrical Eng. & Systems 2025-06-27 Qifei Cui , Xinyu Lu

Brain tumors result from abnormal cell growth in brain tissue. If undiagnosed, they cause neurological deficits, including cognitive impairment, motor dysfunction, and sensory loss. As tumors grow, intracranial pressure increases,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Shravan Venkatraman , Pandiyaraju V , Abeshek A , Aravintakshan S A , Pavan Kumar S , Kannan A , Madhan S

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

This paper reports Deep LOGISMOS approach to 3D tumor segmentation by incorporating boundary information derived from deep contextual learning to LOGISMOS - layered optimal graph image segmentation of multiple objects and surfaces. Accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-01-29 Zhihui Guo , Ling Zhang , Le Lu , Mohammadhadi Bagheri , Ronald M. Summers , Milan Sonka , Jianhua Yao

Reaction-diffusion models have been proposed for decades to capture the growth of gliomas, the most common primary brain tumours. However, severe limitations regarding the estimation of the initial conditions and parameter values of such…

Brain tumor is the most common and deadliest disease that can be found in all age groups. Generally, MRI modality is adopted for identifying and diagnosing tumors by the radiologists. The correct identification of tumor regions and its type…

Image and Video Processing · Electrical Eng. & Systems 2022-01-10 Sachin Gupta , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

Segmentation of brain tumors and their subregions remains a challenging task due to their weak features and deformable shapes. In this paper, three patterns (cross-skip, skip-1 and skip-2) of distributed dense connections (DDCs) are…

Image and Video Processing · Electrical Eng. & Systems 2020-03-04 Hanxiao Zhang , Jingxiong Li , Mali Shen , Yaqi Wang , Guang-Zhong Yang

This study presents a convolutional neural network (CNN)-based approach for the multi-class classification of brain tumors using magnetic resonance imaging (MRI) scans. We utilize a publicly available dataset containing MRI images…

Image and Video Processing · Electrical Eng. & Systems 2025-05-07 Natnael Alemayehu
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