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Self-supervised learning (SSL) methods have shown promise for medical imaging applications by learning meaningful visual representations, even when the amount of labeled data is limited. Here, we extend state-of-the-art contrastive learning…

Deep learning technologies have already demonstrated a high potential to build diagnosis support systems from medical imaging data, such as Chest X-Ray images. However, the shortage of labeled data in the medical field represents one key…

图像与视频处理 · 电气工程与系统科学 2023-01-26 Iván de Andrés Tamé , Kirill Sirotkin , Pablo Carballeira , Marcos Escudero-Viñolo

Collecting large-scale medical datasets with fully annotated samples for training of deep networks is prohibitively expensive, especially for 3D volume data. Recent breakthroughs in self-supervised learning (SSL) offer the ability to…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Duy M. H. Nguyen , Hoang Nguyen , Mai T. N. Truong , Tri Cao , Binh T. Nguyen , Nhat Ho , Paul Swoboda , Shadi Albarqouni , Pengtao Xie , Daniel Sonntag

Unsupervised anomaly detection (UAD) aims to detect anomalies without labeled data, a necessity in many machine learning applications where anomalous samples are rare or not available. Most state-of-the-art methods fall into two categories:…

机器学习 · 计算机科学 2025-07-30 Nicolas Pinon , Carole Lartizien

Self-supervised learning (SSL) has emerged as a promising technique for analyzing medical modalities such as X-rays due to its ability to learn without annotations. However, conventional SSL methods face challenges in achieving semantic…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Vandan Gorade , Azad Singh , Deepak Mishra

Semantic segmentation of various tissue and nuclei types in histology images is fundamental to many downstream tasks in the area of computational pathology (CPath). In recent years, Deep Learning (DL) methods have been shown to perform well…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Raja Muhammad Saad Bashir , Talha Qaiser , Shan E Ahmed Raza , Nasir M. Rajpoot

Medical imaging data suffers from the limited availability of annotation because annotating 3D medical data is a time-consuming and expensive task. Moreover, even if the annotation is available, supervised learning-based approaches suffer…

图像与视频处理 · 电气工程与系统科学 2020-11-12 Abinav Ravi Venkatakrishnan , Seong Tae Kim , Rami Eisawy , Franz Pfister , Nassir Navab

Unsupervised anomaly detection aims to identify anomalies without pixel-level annotations. Synthetic anomaly-based methods exhibit a unique capacity to introduce controllable irregularities with known masks, enabling explicit supervision…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Qinyi Cao , Jianan Fan , Weidong Cai

Self-supervised learning (SSL) enables label efficient training for machine learning models. This is essential for domains such as medical imaging, where labels are costly and time-consuming to curate. However, the most effective supervised…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Cara Van Uden , Jeremy Irvin , Mars Huang , Nathan Dean , Jason Carr , Andrew Ng , Curtis Langlotz

Self-supervised learning (SSL) has emerged as a powerful paradigm for medical image representation learning, particularly in settings with limited labeled data. However, existing SSL methods often rely on complex architectures,…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Azad Singh , Deepak Mishra

Unsupervised Anomaly Detection has become a popular method to detect pathologies in medical images as it does not require supervision or labels for training. Most commonly, the anomaly detection model generates a "normal" version of an…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Felix Meissen , Johannes Paetzold , Georgios Kaissis , Daniel Rueckert

Computational pathology can lead to saving human lives, but models are annotation hungry and pathology images are notoriously expensive to annotate. Self-supervised learning has shown to be an effective method for utilizing unlabeled data,…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Mingu Kang , Heon Song , Seonwook Park , Donggeun Yoo , Sérgio Pereira

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…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Gerda Bortsova , Florian Dubost , Laurens Hogeweg , Ioannis Katramados , Marleen de Bruijne

Pathology detection and delineation enables the automatic interpretation of medical scans such as chest X-rays while providing a high level of explainability to support radiologists in making informed decisions. However, annotating…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Philip Müller , Felix Meissen , Johannes Brandt , Georgios Kaissis , Daniel Rueckert

Though self-supervised learning (SSL) has demonstrated incredible ability to learn robust representations from unlabeled data, the choice of optimal SSL strategy can lead to vastly different performance outcomes in specialized domains.…

Recent Self-Supervised Learning (SSL) methods are able to learn feature representations that are invariant to different data augmentations, which can then be transferred to downstream tasks of interest. However, different downstream tasks…

机器学习 · 计算机科学 2023-03-08 Chen Huang , Hanlin Goh , Jiatao Gu , Josh Susskind

Self-supervised learning (SSL) has proven effective in solving various problems by generating internal supervisory signals. Unsupervised anomaly detection, which faces the high cost of obtaining true labels, is an area that can greatly…

机器学习 · 计算机科学 2023-07-14 Jaemin Yoo , Yue Zhao , Lingxiao Zhao , Leman Akoglu

Many self-supervised learning (SSL) methods have been successful in learning semantically meaningful visual representations by solving pretext tasks. However, prior work in SSL focuses on tasks like object recognition or detection, which…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Donghyun Kim , Kuniaki Saito , Samarth Mishra , Stan Sclaroff , Kate Saenko , Bryan A Plummer

Automatic and accurate tumor segmentation on medical images is in high demand to assist physicians with diagnosis and treatment. However, it is difficult to obtain massive amounts of annotated training data required by the deep-learning…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Xiaoman Zhang , Shixiang Feng , Yuhang Zhou , Ya Zhang , Yanfeng Wang

Semi-supervised learning has the potential to improve the data-efficiency of training data-hungry deep neural networks, which is especially important for medical image analysis tasks where labeled data is scarce. In this work, we present a…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Boon Peng Yap , Beng Koon Ng