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In some medical imaging tasks and other settings where only small parts of the image are informative for the classification task, traditional CNNs can sometimes struggle to generalise. Manually annotated Regions of Interest (ROI) are…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Alessandro Fontanella , Antreas Antoniou , Wenwen Li , Joanna Wardlaw , Grant Mair , Emanuele Trucco , Amos Storkey

In the field of medical image segmentation, challenges such as indistinct lesion features, ambiguous boundaries,and multi-scale characteristics have long revailed. This paper proposes an improved method named Intensity-Spatial Dual Masked…

Image and Video Processing · Electrical Eng. & Systems 2025-02-17 Yuexing Ding , Jun Wang , Hongbing Lyu

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth. This task, however, is very challenging since manual segmentation is prohibitively time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

Automatic and accurate segmentation of aortic vessel tree (AVT) in computed tomography (CT) scans is crucial for early detection, diagnosis and prognosis of aortic diseases, such as aneurysms, dissections and stenosis. However, this task…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Shaofeng Yuan , Feng Yang

Partially-supervised learning can be challenging for segmentation due to the lack of supervision for unlabeled structures, and the methods directly applying fully-supervised learning could lead to incompatibility, meaning ground truth is…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Ke Zhang , Xiahai Zhuang

Teeth segmentation is an essential task in dental image analysis for accurate diagnosis and treatment planning. While supervised deep learning methods can be utilized for teeth segmentation, they often require extensive manual annotation of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Tomáš Kunzo , Viktor Kocur , Lukáš Gajdošech , Martin Madaras

Medical image segmentation has made significant progress in recent years. Deep learning-based methods are recognized as data-hungry techniques, requiring large amounts of data with manual annotations. However, manual annotation is expensive…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Yi Lin , Yufan Chen , Kwang-Ting Cheng , Hao Chen

Model based iterative reconstruction (MBIR) algorithms for low-dose X-ray CT are computationally complex because of the repeated use of the forward and backward projection. Inspired by this success of deep learning in computer vision…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Eunhee Kang , junhong Min , Jong Chul Ye

Automatic segmentation of infected regions in computed tomography (CT) images is necessary for the initial diagnosis of COVID-19. Deep-learning-based methods have the potential to automate this task but require a large amount of data with…

Image and Video Processing · Electrical Eng. & Systems 2022-09-28 Han Chen , Yifan Jiang , Hanseok Ko , Murray Loew

Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

Image and Video Processing · Electrical Eng. & Systems 2022-05-20 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar

Maternal-fetal Ultrasound is the primary modality for monitoring fetal development, yet automated segmentation remains challenging due to the scarcity of high-quality annotations. To address this limitation, we propose a semi-supervised…

Image and Video Processing · Electrical Eng. & Systems 2025-09-09 Fangyijie Wang , Guénolé Silvestre , Kathleen M. Curran

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

Deep neural networks are prone to learning shortcuts, spurious correlations present in the training data that undermine out-of-distribution (OOD) generalization. Most prior work mitigates shortcut learning through input-space reweighting,…

Machine Learning · Computer Science 2026-03-10 Shivam Pal , Sakshi Varshney , Piyush Rai

Deep learning models for medical image segmentation can fail unexpectedly and spectacularly for pathological cases and images acquired at different centers than training images, with labeling errors that violate expert knowledge. Such…

Medical image segmentation is challenging especially in dealing with small dataset of 3D MR images. Encoding the variation of brain anatomical struc-tures from individual subjects cannot be easily achieved, which is further chal-lenged by…

Image and Video Processing · Electrical Eng. & Systems 2019-06-26 Xuhua Ren , Lichi Zhang , Qian Wang , Dinggang Shen

Tooth image segmentation is a cornerstone of dental digitization. However, traditional image encoders relying on fixed-resolution feature maps often lead to discontinuous segmentation and poor discrimination between target regions and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Xinxin Zhao , Jian Jiang , Yan Tian , Liqin Wu , Zhaocheng Xu , Teddy Yang , Yunuo Zou , Xun Wang

Accurate segmentation of brain vessels is crucial for cerebrovascular disease diagnosis and treatment. However, existing methods face challenges in capturing small vessels and handling datasets that are partially or ambiguously annotated.…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Fengming Lin , Yan Xia , Nishant Ravikumar , Qiongyao Liu , Michael MacRaild , Alejandro F Frangi

Noisy labels collected with limited annotation cost prevent medical image segmentation algorithms from learning precise semantic correlations. Previous segmentation arts of learning with noisy labels merely perform a pixel-wise manner to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Xiaoqing Guo , Yixuan Yuan

The scarcity of labeled data often limits the application of supervised deep learning techniques for medical image segmentation. This has motivated the development of semi-supervised techniques that learn from a mixture of labeled and…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Gerda Bortsova , Florian Dubost , Laurens Hogeweg , Ioannis Katramados , Marleen de Bruijne

Sparse-view Cone-Beam Computed Tomography reconstruction from limited X-ray projections remains a challenging problem in medical imaging due to the inherent undersampling of fine-grained anatomical details, which correspond to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Cuong Tran Van , Trong-Thang Pham , Ngoc-Son Nguyen , Duy Minh Ho Nguyen , Ngan Le