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Automated brain tumour segmentation has the potential of making a massive improvement in disease diagnosis, surgery, monitoring and surveillance. However, this task is extremely challenging. Here, we describe our automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-05-13 Indrajit Mazumdar

Automatic brain tumor segmentation method plays an extremely important role in the whole process of brain tumor diagnosis and treatment. In this paper, we propose a multi-step cascaded network which takes the hierarchical topology of the…

Image and Video Processing · Electrical Eng. & Systems 2019-09-26 Xiangyu Li , Gongning Luo , Kuanquan Wang

Deep learning presents novel opportunities for the auto-segmentation of gross tumor volume (GTV) in head and neck cancer (HNC), yet fully automatic methods usually necessitate significant manual refinement. This study investigates the…

Medical Physics · Physics 2025-01-03 Jintao Ren , Mathis Rasmussen , Jasper Nijkamp , Jesper Grau Eriksen , Stine Korreman

We introduce an innovative, simple, effective segmentation-free approach for outcome prediction in head \& neck cancer (HNC) patients. By harnessing deep learning-based feature extraction techniques and multi-angle maximum intensity…

Medical Physics · Physics 2024-12-05 Amirhosein Toosi , Isaac Shiri , Habib Zaidi , Arman Rahmim

Automatic segmentation of hepatic lesions in computed tomography (CT) images is a challenging task to perform due to heterogeneous, diffusive shape of tumors and complex background. To address the problem more and more researchers rely on…

Image and Video Processing · Electrical Eng. & Systems 2019-09-18 Dina B. Efremova , Dmitry A. Konovalov , Thanongchai Siriapisith , Worapan Kusakunniran , Peter Haddawy

Multimodal positron emission tomography-computed tomography (PET-CT) is used routinely in the assessment of cancer. PET-CT combines the high sensitivity for tumor detection with PET and anatomical information from CT. Tumor segmentation is…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Xiaohang Fu , Lei Bi , Ashnil Kumar , Michael Fulham , Jinman Kim

One of the most challenges in medical imaging is the lack of data and annotated data. It is proven that classical segmentation methods such as U-NET are useful but still limited due to the lack of annotated data. Using a weakly supervised…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Amine Amyar , Romain Modzelewski , Pierre Vera , Vincent Morard , Su Ruan

Artificial intelligence (AI) techniques for image-based segmentation have garnered much attention in recent years. Convolutional neural networks (CNNs) have shown impressive results and potential towards fully automated segmentation in…

Medical Physics · Physics 2021-11-17 Fereshteh Yousefirizi , Abhinav K. Jha , Julia Brosch-Lenz , Babak Saboury , Arman Rahmim

Automated segmentation of distinct tumor regions is critical for accurate diagnosis and treatment planning in pediatric brain tumors. This study evaluates the efficacy of the Multi-Planner U-Net (MPUnet) approach in segmenting different…

Image and Video Processing · Electrical Eng. & Systems 2024-01-15 Sumit Pandey , Satyasaran Changdar , Mathias Perslev , Erik B Dam

Non-invasive techniques such as magnetic resonance imaging (MRI) are widely employed in brain tumor diagnostics. However, manual segmentation of brain tumors from 3D MRI volumes is a time-consuming task that requires trained expert…

Image and Video Processing · Electrical Eng. & Systems 2020-12-24 Benjamin Maas , Erfan Zabeh , Soroush Arabshahi

Introduction: The present study on the development and evaluation of an automated brain tumor segmentation technique based on deep learning using the 3D U-Net model. Objectives: The objective is to leverage state-of-the-art convolutional…

Image and Video Processing · Electrical Eng. & Systems 2024-04-10 Suman Sourabh , Murugappan Valliappan , Narayana Darapaneni , Anwesh R P

We present the design and results of the MICCAI Federated Tumor Segmentation (FeTS) Challenge 2024, which focuses on federated learning (FL) for glioma sub-region segmentation in multi-parametric MRI and evaluates new weight aggregation…

In oncology, Positron Emission Tomography imaging is widely used in diagnostics of cancer metastases, in monitoring of progress in course of the cancer treatment, and in planning radiotherapeutic interventions. Accurate and reproducible…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Jakub Czakon , Filip Drapejkowski , Grzegorz Zurek , Piotr Giedziun , Jacek Zebrowski , Witold Dyrka

In this paper, we propose a novel learning based method for automated segmentation of brain tumor in multimodal MRI images, which incorporates two sets of machine -learned and hand crafted features. Fully convolutional networks (FCN) forms…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Mohammadreza Soltaninejad , Lei Zhang , Tryphon Lambrou , Guang Yang , Nigel Allinson , Xujiong Ye

A cascade of fully convolutional neural networks is proposed to segment multi-modal Magnetic Resonance (MR) images with brain tumor into background and three hierarchical regions: whole tumor, tumor core and enhancing tumor core. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Guotai Wang , Wenqi Li , Sebastien Ourselin , Tom Vercauteren

The patient with ischemic stroke can benefit most from the earliest possible definitive diagnosis. While the high quality medical resources are quite scarce across the globe, an automated diagnostic tool is expected in analyzing the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 Zhiyang Liu , Chen Cao , Shuxue Ding , Tong Han , Hong Wu , Sheng Liu

This study explores a workflow for automated segmentation of lesions in FDG and PSMA PET/CT images. Due to the substantial differences in image characteristics between FDG and PSMA, specialized preprocessing steps are required. Utilizing…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Qiaoyi Xue , Youdan Feng , Jiayi Liu , Tianming Xu , Kaixin Shen , Chuyun Shen , Yuhang Shi

Tumor volume segmentation on MRI is a challenging and time-consuming process that is performed manually in typical clinical settings. This work presents an approach to automated delineation of head and neck tumors on MRI scans, developed in…

Image and Video Processing · Electrical Eng. & Systems 2025-01-10 Andrei Iantsen

Semantic segmentation constitutes an integral part of medical image analyses for which breakthroughs in the field of deep learning were of high relevance. The large number of trainable parameters of deep neural networks however renders them…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Simon Kohl , David Bonekamp , Heinz-Peter Schlemmer , Kaneschka Yaqubi , Markus Hohenfellner , Boris Hadaschik , Jan-Philipp Radtke , Klaus Maier-Hein

Prostate cancer represents a major threat to health. Early detection is vital in reducing the mortality rate among prostate cancer patients. One approach involves using multi-modality (CT, MRI, US, etc.) computer-aided diagnosis (CAD)…

Image and Video Processing · Electrical Eng. & Systems 2024-07-10 Rui Jin , Derun Li , Dehui Xiang , Lei Zhang , Hailing Zhou , Fei Shi , Weifang Zhu , Jing Cai , Tao Peng , Xinjian Chen