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In this paper, we target self-supervised representation learning for zero-shot tumor segmentation. We make the following contributions: First, we advocate a zero-shot setting, where models from pre-training should be directly applicable for…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Xiaoman Zhang , Weidi Xie , Chaoqin Huang , Yanfeng Wang , Ya Zhang , Xin Chen , Qi Tian

Medical image segmentation is inherently uncertain. For a given image, there may be multiple plausible segmentation hypotheses, and physicians will often disagree on lesion and organ boundaries. To be suited to real-world application,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 João Lourenço Silva , Arlindo L. Oliveira

In medical imaging, inter-observer variability among radiologists often introduces label uncertainty, particularly in modalities where visual interpretation is subjective. Lung ultrasound (LUS) is a prime example-it frequently presents a…

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

Accurate segmentation of surgical instrument tip is an important task for enabling downstream applications in robotic surgery, such as surgical skill assessment, tool-tissue interaction and deformation modeling, as well as surgical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Jiaqi Liu , Yonghao Long , Kai Chen , Cheuk Hei Leung , Zerui Wang , Qi Dou

Recent advances in deep learning methods have come to define the state-of-the-art for many medical imaging applications, surpassing even human judgment in several tasks. Those models, however, when trained to reduce the empirical risk on a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Christian S. Perone , Pedro Ballester , Rodrigo C. Barros , Julien Cohen-Adad

Despite that deep learning has achieved state-of-the-art performance for medical image segmentation, its success relies on a large set of manually annotated images for training that are expensive to acquire. In this paper, we propose an…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Lu Wang , Dong Guo , Guotai Wang , Shaoting Zhang

Semantic segmentation is essential in computer vision for various applications, yet traditional approaches face significant challenges, including the high cost of annotation and extensive training for supervised learning. Additionally, due…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yasufumi Kawano , Yoshimitsu Aoki

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

Unsupervised domain adaption has proven to be an effective approach for alleviating the intensive workload of manual annotation by aligning the synthetic source-domain data and the real-world target-domain samples. Unfortunately, mapping…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Munan Ning , Donghuan Lu , Dong Wei , Cheng Bian , Chenglang Yuan , Shuang Yu , Kai Ma , Yefeng Zheng

Deep Neural Networks (DNNs) based semantic segmentation of the robotic instruments and tissues can enhance the precision of surgical activities in robot-assisted surgery. However, in biological learning, DNNs cannot learn incremental tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Mengya Xu , Mobarakol Islam , Long Bai , Hongliang Ren

Progress in self-supervised learning has brought strong general image representation learning methods. Yet so far, it has mostly focused on image-level learning. In turn, tasks such as unsupervised image segmentation have not benefited from…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Adrian Ziegler , Yuki M. Asano

Automated experiments in scanning transmission electron microscopy (STEM) require rapid image segmentation to optimize data representation for human interpretation, decision-making, site-selective spectroscopies, and atomic manipulation.…

Materials Science · Physics 2024-09-23 Kamyar Barakati , Utkarsh Pratiush , Austin C. Houston , Gerd Duscher , Sergei V. Kalinin

We propose a novel semi-supervised image segmentation method that simultaneously optimizes a supervised segmentation and an unsupervised reconstruction objectives. The reconstruction objective uses an attention mechanism that separates the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Shuai Chen , Gerda Bortsova , Antonio Garcia-Uceda Juarez , Gijs van Tulder , Marleen de Bruijne

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

Holistic surgical scene segmentation in robot-assisted surgery (RAS) enables surgical residents to identify various anatomical tissues, articulated tools, and critical structures, such as veins and vessels. Given the firm intraoperative…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Fatimaelzahraa Ahmed , Muraam Abdel-Ghani , Muhammad Arsalan , Mahmoud Ali , Abdulaziz Al-Ali , Shidin Balakrishnan

We present an unsupervised word segmentation model, in which the learning objective is to maximize the generation probability of a sentence given its all possible segmentation. Such generation probability can be factorized into the…

Computation and Language · Computer Science 2021-03-03 Lihao Wang , Zongyi Li , Xiaoqing Zheng

Similar to colorization in computer vision, instrument separation is to assign instrument labels (e.g. piano, guitar...) to notes from unlabeled mixtures which contain only performance information. To address the problem, we adopt diffusion…

Sound · Computer Science 2022-09-08 Sangjun Han , Hyeongrae Ihm , DaeHan Ahn , Woohyung Lim

Shape information is a strong and valuable prior in segmenting organs in medical images. However, most current deep learning based segmentation algorithms have not taken shape information into consideration, which can lead to bias towards…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Yuan Yao , Fengze Liu , Zongwei Zhou , Yan Wang , Wei Shen , Alan Yuille , Yongyi Lu

3D medical image segmentation is a challenging task with crucial implications for disease diagnosis and treatment planning. Recent advances in deep learning have significantly enhanced fully supervised medical image segmentation. However,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Runmin Jiang , Zhaoxin Fan , Junhao Wu , Lenghan Zhu , Xin Huang , Tianyang Wang , Heng Huang , Min Xu
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