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Semantic segmentation is the task of classifying each pixel in an image. Training a segmentation model achieves best results using annotated images, where each pixel is annotated with the corresponding class. When obtaining fine annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jort de Jong , Mike Holenderski

This paper presents an automatic algorithm for the segmentation of areas affected by an acute stroke on the non-contrast computed tomography brain images. The proposed algorithm is designed for learning in a weakly supervised scenario when…

Image and Video Processing · Electrical Eng. & Systems 2021-12-22 Anna Dobshik , Andrey Tulupov , Vladimir Berikov

Annotating new datasets for machine learning tasks is tedious, time-consuming, and costly. For segmentation applications, the burden is particularly high as manual delineations of relevant image content are often extremely expensive or can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Javier Gamazo Tejero , Martin S. Zinkernagel , Sebastian Wolf , Raphael Sznitman , Pablo Márquez Neila

Training medical image segmentation models for rare yet clinically important imaging modalities is challenging due to the scarcity of annotated data, and manual mask annotations can be costly and labor-intensive to acquire. This paper…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Haoning Wu , Ziheng Zhao , Ya Zhang , Yanfeng Wang , Weidi Xie

Despite the remarkable success of deep learning in medical imaging analysis, medical image segmentation remains challenging due to the scarcity of high-quality labeled images for supervision. Further, the significant domain gap between…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Hedda Cohen Indelman , Elay Dahan , Angeles M. Perez-Agosto , Carmit Shiran , Doron Shaked , Nati Daniel

The development of medical science greatly depends on the increased utilization of machine learning algorithms. By incorporating machine learning, the medical imaging field can significantly improve in terms of the speed and accuracy of the…

Image and Video Processing · Electrical Eng. & Systems 2024-09-01 Angona Biswas , MD Abdullah Al Nasim , Md Shahin Ali , Ismail Hossain , Md Azim Ullah , Sajedul Talukder

Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

The splendid success of convolutional neural networks (CNNs) in computer vision is largely attributable to the availability of massive annotated datasets, such as ImageNet and Places. However, in medical imaging, it is challenging to create…

Machine Learning · Computer Science 2021-04-13 Zongwei Zhou , Jae Y. Shin , Suryakanth R. Gurudu , Michael B. Gotway , Jianming Liang

Semantic segmentation is a challenging vision problem that usually necessitates the collection of large amounts of finely annotated data, which is often quite expensive to obtain. Coarsely annotated data provides an interesting alternative…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Isay Katsman , Rohun Tripathi , Andreas Veit , Serge Belongie

Medical image segmentation annotations exhibit variations among experts due to the ambiguous boundaries of segmented objects and backgrounds in medical images. Although using multiple annotations for each image in the fully-supervised has…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Shuai Wang , Tengjin Weng , Jingyi Wang , Yang Shen , Zhidong Zhao , Yixiu Liu , Pengfei Jiao , Zhiming Cheng , Yaqi Wang

Surgical tool segmentation in endoscopic images is the first step towards pose estimation and (sub-)task automation in challenging minimally invasive surgical operations. While many approaches in the literature have shown great results…

Robotics · Computer Science 2019-02-14 Cristian da Costa Rocha , Nicolas Padoy , Benoit Rosa

Automated segmentation of cancer on medical images can aid targeted diagnostic and therapeutic procedures. However, its adoption is limited by the high cost of expert annotations required for training and inter-observer variability in…

Image and Video Processing · Electrical Eng. & Systems 2025-05-26 Lynn Karam , Yipei Wang , Veeru Kasivisvanathan , Mirabela Rusu , Yipeng Hu , Shaheer U. Saeed

Developing an AI-assisted gland segmentation method from histology images is critical for automatic cancer diagnosis and prognosis; however, the high cost of pixel-level annotations hinders its applications to broader diseases. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Yi Li , Yiduo Yu , Yiwen Zou , Tianqi Xiang , Xiaomeng Li

Assigning meaning to parts of image data is the goal of semantic image segmentation. Machine learning methods, specifically supervised learning is commonly used in a variety of tasks formulated as semantic segmentation. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lu Yin , Vlado Menkovski , Shiwei Liu , Mykola Pechenizkiy

Accurate automatic medical image segmentation relies on high-quality, dense annotations, which are costly and time-consuming. Weakly supervised learning provides a more efficient alternative by leveraging sparse and coarse annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Dongdong Meng , Sheng Li , Hao Wu , Suqing Tian , Wenjun Ma , Guoping Wang , Xueqing Yan

Nuclei instance segmentation on histopathology images is of great clinical value for disease analysis. Generally, fully-supervised algorithms for this task require pixel-wise manual annotations, which is especially time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Yang Zhou , Yongjian Wu , Zihua Wang , Bingzheng Wei , Maode Lai , Jianzhong Shou , Yubo Fan , Yan Xu

Statistical Shape Models (SSMs) excel at identifying population level anatomical variations, which is at the core of various clinical and biomedical applications, including morphology-based diagnostics and surgical planning. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Asma Khan , Tushar Kataria , Janmesh Ukey , Shireen Y. Elhabian

Semi-supervised learning has attracted much attention due to its less dependence on acquiring abundant annotations from experts compared to fully supervised methods, which is especially important for medical image segmentation which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Yichi Zhang , Jin Yang , Yuchen Liu , Yuan Cheng , Yuan Qi

In the recent years, convolutional neural networks have transformed the field of medical image analysis due to their capacity to learn discriminative image features for a variety of classification and regression tasks. However, successfully…

Computer Vision and Pattern Recognition · Computer Science 2019-07-08 Wenjia Bai , Chen Chen , Giacomo Tarroni , Jinming Duan , Florian Guitton , Steffen E. Petersen , Yike Guo , Paul M. Matthews , Daniel Rueckert

In clinical medicine, precise image segmentation can provide substantial support to clinicians. However, obtaining high-quality segmentation typically demands extensive pixel-level annotations, which are labor-intensive and expensive.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Tao Wang , Xinlin Zhang , Zhenxuan Zhang , Yuanbo Zhou , Yuanbin Chen , Longxuan Zhao , Chaohui Xu , Shun Chen , Guang Yang , Tong Tong