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In this work, we address the TrackRAD2025 challenge of real-time tumor tracking in cine-MRI sequences of the thoracic and abdominal regions under strong data scarcity constraints. Two complementary strategies were explored: (i) unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Valentin Boussot , Cédric Hémon , Jean-Claude Nunes , Jean-Louis Dillenseger

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

The precise tracking and segmentation of surgical instruments have led to a remarkable enhancement in the efficiency of surgical procedures. However, the challenge lies in achieving accurate segmentation of surgical instruments while…

Image and Video Processing · Electrical Eng. & Systems 2024-08-09 Jieming Yu , Long Bai , Guankun Wang , An Wang , Xiaoxiao Yang , Huxin Gao , Hongliang Ren

Purpose: Magnetic resonance imaging (MRI) to visualize anatomical motion is becoming increasingly important when treating cancer patients with radiotherapy. Hybrid MRI-linear accelerator (MRI-linac) systems allow real-time motion management…

MRI tumor segmentation remains a critical challenge in medical imaging, where volumetric analysis faces unique computational demands due to the complexity of 3D data. The spatially sequential arrangement of adjacent MRI slices provides…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Jiacheng Lu , Hui Ding , Shiyu Zhang , Guoping Huo

The integration of machine learning in magnetic resonance imaging (MRI), specifically in neuroimaging, is proving to be incredibly effective, leading to better diagnostic accuracy, accelerated image analysis, and data-driven insights, which…

This research presents an enhanced approach for precise segmentation of brain tumor masses in magnetic resonance imaging (MRI) using an advanced 3D-UNet model combined with a Context Transformer (CoT). By architectural expansion CoT, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Thien-Qua T. Nguyen , Hieu-Nghia Nguyen , Thanh-Hieu Bui , Thien B. Nguyen-Tat , Vuong M. Ngo

We present XMem, a video object segmentation architecture for long videos with unified feature memory stores inspired by the Atkinson-Shiffrin memory model. Prior work on video object segmentation typically only uses one type of feature…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Ho Kei Cheng , Alexander G. Schwing

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

Automatic image segmentation becomes very crucial for tumor detection in medical image processing.In general, manual and semi automatic segmentation techniques require more time and knowledge. However these drawbacks had overcome by…

Computer Vision and Pattern Recognition · Computer Science 2016-03-09 D. Anithadevi , K. Perumal

Automation of brain tumor segmentation in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task.…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Laura Mora Ballestar , Veronica Vilaplana

We present an efficient deep learning approach for the challenging task of tumor segmentation in multisequence MR images. In recent years, Convolutional Neural Networks (CNN) have achieved state-of-the-art performances in a large variety of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

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

MRI analysis takes central position in brain tumor diagnosis and treatment, thus it's precise evaluation is crucially important. However, it's 3D nature imposes several challenges, so the analysis is often performed on 2D projections that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Dmitry Lachinov , Evgeny Vasiliev , Vadim Turlapov

Cancer is an abnormal growth with potential to invade locally and metastasize to distant organs. Accurate auto-segmentation of the tumor and surrounding normal tissues is required for radiotherapy treatment plan optimization. Recent…

Image and Video Processing · Electrical Eng. & Systems 2025-07-31 Syed Haider Ali , Asrar Ahmad , Muhammad Ali , Asifullah Khan , Nadeem Shaukat

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

A brain tumor, whether benign or malignant, can potentially be life threatening and requires painstaking efforts in order to identify the type, origin and location, let alone cure one. Manual segmentation by medical specialists can be…

Image and Video Processing · Electrical Eng. & Systems 2023-05-02 Ayan Gupta , Mayank Dixit , Vipul Kumar Mishra , Attulya Singh , Atul Dayal

Brain tumor segmentation is one of the most challenging problems in medical image analysis. The goal of brain tumor segmentation is to generate accurate delineation of brain tumor regions. In recent years, deep learning methods have shown…

Image and Video Processing · Electrical Eng. & Systems 2021-11-18 Zhihua Liu , Lei Tong , Zheheng Jiang , Long Chen , Feixiang Zhou , Qianni Zhang , Xiangrong Zhang , Yaochu Jin , Huiyu Zhou

Breast cancer is one of the leading causes of death globally, and thus there is an urgent need for early and accurate diagnostic techniques. Although ultrasound imaging is a widely used technique for breast cancer screening, it faces…

Image and Video Processing · Electrical Eng. & Systems 2025-02-11 Pandiyaraju V , Shravan Venkatraman , Pavan Kumar S , Santhosh Malarvannan , Kannan A

Tumor segmentation in whole-body PET/CT imaging is crucial for precise disease evaluation and treatment planning. However, it remains challenging due to variability in lesion size, contrast, and anatomical distribution. Relying on manual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Hussain Alasmawi
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