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Training neural networks using limited annotations is an important problem in the medical domain. Deep Neural Networks (DNNs) typically require large, annotated datasets to achieve acceptable performance which, in the medical domain, are…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Bethany H. Thompson , Gaetano Di Caterina , Jeremy P. Voisey

Automatic segmentation of brain tumors in intra-operative ultrasound (iUS) images could facilitate localization of tumor tissue during resection surgery. The lack of large annotated datasets limits the current models performances. In this…

Image and Video Processing · Electrical Eng. & Systems 2025-08-18 Mathilde Faanes , Ragnhild Holden Helland , Ole Solheim , Sébastien Muller , Ingerid Reinertsen

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

Brain tumor segmentation is a critical task for tumor volumetric analyses and AI algorithms. However, it is a time-consuming process and requires neuroradiology expertise. While there has been extensive research focused on optimizing brain…

Image and Video Processing · Electrical Eng. & Systems 2021-12-01 Partoo Vafaeikia , Matthias W. Wagner , Uri Tabori , Birgit B. Ertl-Wagner , Farzad Khalvati

Nuclei segmentation is a crucial task for whole slide image analysis in digital pathology. Generally, the segmentation performance of fully-supervised learning heavily depends on the amount and quality of the annotated data. However, it is…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Yi Lin , Zhiyong Qu , Hao Chen , Zhongke Gao , Yuexiang Li , Lili Xia , Kai Ma , Yefeng Zheng , Kwang-Ting Cheng

The vast majority of semantic segmentation approaches rely on pixel-level annotations that are tedious and time consuming to obtain and suffer from significant inter and intra-expert variability. To address these issues, recent approaches…

Advances in computing technology have allowed researchers across many fields of endeavor to collect and maintain vast amounts of observational statistical data such as clinical data, biological patient data, data regarding access of web…

Computer Vision and Pattern Recognition · Computer Science 2014-01-24 Narkhede Sachin G , Vaishali Khairnar

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

This paper presents a method based on a kernel dictionary learning algorithm for segmenting brain tumor regions in magnetic resonance images (MRI). A set of first-order and second-order statistical feature vectors are extracted from patches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Seyedeh Mahya Mousavi , Mohammad Mostafavi

Deep learning techniques have greatly benefited computer-aided diagnostic systems. However, unlike other fields, in medical imaging, acquiring large fine-grained annotated datasets such as 3D tumour segmentation is challenging due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-10 Sajith Rajapaksa , Farzad Khalvati

The brain is a complex organ controlling cognitive process and physical functions. Tumors in the brain are accelerated cell growths affecting the normal function and processes in the brain. MRI scans provides detailed images of the body…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Miriam Zulema Jacobo , Jose Mejia

We explore encoding brain symmetry into a neural network for a brain tumor segmentation task. A healthy human brain is symmetric at a high level of abstraction, and the high-level asymmetric parts are more likely to be tumor regions. Paying…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Hejia Zhang , Xia Zhu , Theodore L. Willke

Automated brain tumor segmentation based on deep learning (DL) has achieved promising performance. However, it generally relies on annotated images for model training, which is not always feasible in clinical settings. Therefore, the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Xinru Zhang , Ni Ou , Chenghao Liu , Zhizheng Zhuo , Yaou Liu , Chuyang Ye

Due to the difficulties of obtaining multimodal paired images in clinical practice, recent studies propose to train brain tumor segmentation models with unpaired images and capture complementary information through modality translation.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Zecheng Liu , Jia Wei , Rui Li

Precise segmentation of a lesion area is important for optimizing its treatment. Deep learning makes it possible to detect and segment a lesion field using annotated data. However, obtaining precisely annotated data is very challenging in…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Ling Huang , Su Ruan , Thierry Denoeux

The brain tumor segmentation on MRI images is a very difficult and important task which is used in surgical and medical planning and assessments. If experts do the segmentation manually with their own medical knowledge, it will be…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Parisa Nadirkhanlou

Tumor segmentation from magnetic resonance imaging (MRI) data is an important but time consuming manual task performed by medical experts. Automating this process is a challenging task because of the high diversity in the appearance of…

Computer Vision and Pattern Recognition · Computer Science 2013-12-24 Sudipta Roy , Sanjay Nag , Indra Kanta Maitra , Samir Kumar Bandyopadhyay

Medical image segmentation plays an important role in many image-guided clinical approaches. However, existing segmentation algorithms mostly rely on the availability of fully annotated images with pixel-wise annotations for training, which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Yuyan Shi , Jialu Ma , Jin Yang , Shasha Wang , Yichi Zhang

Imperfect labels limit the quality of predictions learned by deep neural networks. This is particularly relevant in medical image segmentation, where reference annotations are difficult to collect and vary significantly even across expert…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Eugene Vorontsov , Samuel Kadoury

The diagnosis and segmentation of tumors using any medical diagnostic tool can be challenging due to the varying nature of this pathology. Magnetic Reso- nance Imaging (MRI) is an established diagnostic tool for various diseases and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi