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Segmentation in 3D scans is playing an increasingly important role in current clinical practice supporting diagnosis, tissue quantification, or treatment planning. The current 3D approaches based on convolutional neural networks usually…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Alexey Novikov , David Major , Maria Wimmer , Dimitrios Lenis , Katja Bühler

We propose a fine-tuning algorithm for brain tumor segmentation that needs only a few data samples and helps networks not to forget the original tasks. Our approach is based on active learning and meta-learning. One of the difficulties in…

Image and Video Processing · Electrical Eng. & Systems 2023-05-17 Seungyub Han , Yeongmo Kim , Seokhyeon Ha , Jungwoo Lee , Seunghong Choi

In order to optimize the radiotherapy delivery for cancer treatment, especially when dealing with complex treatments such as Total Marrow and Lymph Node Irradiation (TMLI), the accurate contouring of the Planning Target Volume (PTV) is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Ricardo Coimbra Brioso , Damiano Dei , Nicola Lambri , Daniele Loiacono , Pietro Mancosu , Marta Scorsetti

In this study, our goal is to show the impact of self-supervised pre-training of transformers for organ at risk (OAR) and tumor segmentation as compared to costly fully-supervised learning. The proposed algorithm is called Monte Carlo…

Image and Video Processing · Electrical Eng. & Systems 2023-05-05 Ilkin Isler , Debesh Jha , Curtis Lisle , Justin Rineer , Patrick Kelly , Bulent Aydogan , Mohamed Abazeed , Damla Turgut , Ulas Bagci

Accurate prediction of malignancy in renal tumors is crucial for informing clinical decisions and optimizing treatment strategies. However, existing imaging modalities lack the necessary accuracy to reliably predict malignancy before…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhengkang Fan , Chengkun Sun , Russell Terry , Jie Xu , Longin Jan Latecki

The objective of this study was to develop a PET tumor-segmentation framework that addresses the challenges of limited spatial resolution, high image noise, and lack of clinical training data with ground-truth tumor boundaries in PET…

Automatic brain tumor segmentation from Magnetic Resonance Imaging (MRI) data plays an important role in assessing tumor response to therapy and personalized treatment stratification.Manual segmentation is tedious and…

Image and Video Processing · Electrical Eng. & Systems 2021-11-29 Hadas Ben-Atya , Ori Rajchert , Liran Goshen , Moti Freiman

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Guotai Wang , Wenqi Li , Maria A. Zuluaga , Rosalind Pratt , Premal A. Patel , Michael Aertsen , Tom Doel , Anna L. David , Jan Deprest , Sebastien Ourselin , Tom Vercauteren

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

Locoregional recurrences (LRR) are still a frequent site of treatment failure for head and neck squamous cell carcinoma (HNSCC) patients. Identification of high risk subvolumes based on pretreatment imaging is key to biologically targeted…

Cervical cancer remains the fourth most common malignancy amongst women worldwide.1 Concurrent chemoradiotherapy (CRT) serves as the mainstay definitive treatment regimen for locally advanced cervical cancers and includes external beam…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Awj Twam , Adrian E. Celaya , Megan C. Jacobsen , Rachel Glenn , Peng Wei , Jia Sun , Ann Klopp , Aradhana M. Venkatesan , David Fuentes

Detection of tumors in metastatic colorectal cancer (mCRC) plays an essential role in the early diagnosis and treatment of liver cancer. Deep learning models backboned by fully convolutional neural networks (FCNNs) have become the dominant…

Image and Video Processing · Electrical Eng. & Systems 2023-09-01 Ramtin Mojtahedi , Mohammad Hamghalam , Richard K. G. Do , Amber L. Simpson

We propose a novel, simple and effective method to integrate lesion prior and a 3D U-Net for improving brain tumor segmentation. First, we utilize the ground-truth brain tumor lesions from a group of patients to generate the heatmaps of…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Po-Yu Kao , Jefferson W. Chen , B. S. Manjunath

Lymph node metastasis (LNM) is a significant prognostic factor in patients with head and neck cancer, and the ability to predict it accurately is essential for treatment optimization. PET and CT imaging are routinely used for LNM…

Medical image segmentation is particularly critical as a prerequisite for relevant quantitative analysis in the treatment of clinical diseases. For example, in clinical cervical cancer radiotherapy, after acquiring subabdominal MRI images,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-30 Yu Xiao , Xin Yang , Sijuan Huang , Lihua Guo

Accurate segmentation of kidneys and kidney tumors is an essential step for radiomic analysis as well as developing advanced surgical planning techniques. In clinical analysis, the segmentation is currently performed by clinicians from the…

Image and Video Processing · Electrical Eng. & Systems 2020-06-05 Wenshuai Zhao , Dihong Jiang , Jorge Peña Queralta , Tomi Westerlund

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

Automatic brain tumor segmentation plays an important role for diagnosis, surgical planning and treatment assessment of brain tumors. Deep convolutional neural networks (CNNs) have been widely used for this task. Due to the relatively small…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Guotai Wang , Wenqi Li , Sebastien Ourselin , Tom Vercauteren

This paper analyzes the use of 3D Convolutional Neural Networks for brain tumor segmentation in MR images. We address the problem using three different architectures that combine fine and coarse features to obtain the final segmentation. We…

Machine Learning · Statistics 2017-05-24 Adrià Casamitjana , Santi Puch , Asier Aduriz , Verónica Vilaplana

This study addresses the essential task of medical image segmentation, which involves the automatic identification and delineation of anatomical structures and pathological regions in medical images. Accurate segmentation is crucial in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Seyedeh Sahar Taheri Otaghsara , Reza Rahmanzadeh