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In this paper, we investigate what constitutes a good representation or model in self-supervised learning (SSL). We argue that a good representation should exhibit universality, characterized by three essential properties: discriminability,…

Machine Learning · Computer Science 2025-05-19 Wenwen Qiang , Jingyao Wang , Changwen Zheng , Hui Xiong , Gang Hua

The self-supervised learning (SSL) paradigm is an essential exploration area, which tries to eliminate the need for expensive data labeling. Despite the great success of SSL methods in computer vision and natural language processing, most…

Machine Learning · Computer Science 2023-09-13 Piotr Bielak , Tomasz Kajdanowicz , Nitesh V. Chawla

Self-supervised learning (SSL) aims to eliminate one of the major bottlenecks in representation learning - the need for human annotations. As a result, SSL holds the promise to learn representations from data in-the-wild, i.e., without the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Senthil Purushwalkam , Pedro Morgado , Abhinav Gupta

Self-supervised learning (SSL) has demonstrated significant potential in pre-training robust models with limited labeled data, making it particularly valuable for remote sensing (RS) tasks. A common assumption is that pre-training on…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Saad Lahrichi , Zion Sheng , Shufan Xia , Kyle Bradbury , Jordan Malof

A large labeled dataset is a key to the success of supervised deep learning, but for medical image segmentation, it is highly challenging to obtain sufficient annotated images for model training. In many scenarios, unannotated images are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Hao Zheng , Jun Han , Hongxiao Wang , Lin Yang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

The upcoming Square Kilometer Array (SKA) telescope marks a significant step forward in radio astronomy, presenting new opportunities and challenges for data analysis. Traditional visual models pretrained on optical photography images may…

Instrumentation and Methods for Astrophysics · Physics 2024-11-25 Thomas Cecconello , Simone Riggi , Ugo Becciani , Fabio Vitello , Andrew M. Hopkins , Giuseppe Vizzari , Concetto Spampinato , Simone Palazzo

In the field of medical image, deep convolutional neural networks(ConvNets) have achieved great success in the classification, segmentation, and registration tasks thanks to their unparalleled capacity to learn image features. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-11-15 Xin Gao

Despite impressive empirical advances of SSL in solving various tasks, the problem of understanding and characterizing SSL representations learned from input data remains relatively under-explored. We provide a comparative analysis of how…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Xavier F. Cadet , Ranya Aloufi , Alain Miranville , Sara Ahmadi-Abhari , Hamed Haddadi

This paper demonstrates that spatial information can be used to learn interpretable representations in medical images using Self-Supervised Learning (SSL). Our proposed method, ISImed, is based on the observation that medical images exhibit…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Nabil Jabareen , Dongsheng Yuan , Sören Lukassen

The abundance of complex and interconnected healthcare data offers numerous opportunities to improve prediction, diagnosis, and treatment. Graph-structured data, which includes entities and their relationships, is well-suited for capturing…

Machine Learning · Computer Science 2024-12-10 Safa Ben Atitallah , Chaima Ben Rabah , Maha Driss , Wadii Boulila , Anis Koubaa

Some of the threats in the dynamic environment include the unpredictability of the motion of objects and interferences to the robotic grasp. In such conditions the traditional supervised and reinforcement learning approaches are ill suited…

Robotics · Computer Science 2024-10-18 Ankit Shaw

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…

Machine Learning · Computer Science 2023-03-08 Chen Huang , Hanlin Goh , Jiatao Gu , Josh Susskind

Self-supervised learning (SSL) applied to natural images has demonstrated a remarkable ability to learn meaningful, low-dimension representations without labels, resulting in models that are adaptable to many different tasks. Until now,…

MatSSL is a streamlined self-supervised learning (SSL) architecture that employs Gated Feature Fusion at each stage of the backbone to integrate multi-level representations effectively. Current micrograph analysis of metallic materials…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Hoang Hai Nam Nguyen , Phan Nguyen Duc Hieu , Ho Won Lee

Self-supervised representation learning methods aim to provide powerful deep feature learning without the requirement of large annotated datasets, thus alleviating the annotation bottleneck that is one of the main barriers to practical…

Machine Learning · Computer Science 2022-05-18 Linus Ericsson , Henry Gouk , Chen Change Loy , Timothy M. Hospedales

Computer-aided diagnosis via deep learning relies on large-scale annotated data sets, which can be costly when involving expert knowledge. Semi-supervised learning (SSL) mitigates this challenge by leveraging unlabeled data. One effective…

Machine Learning · Computer Science 2020-05-25 Prashnna Kumar Gyawali , Sandesh Ghimire , Pradeep Bajracharya , Zhiyuan Li , Linwei Wang

Self-supervised Learning (SSL) has emerged as a powerful technique in pre-training deep learning models without relying on expensive annotated labels, instead leveraging embedded signals in unlabeled data. While SSL has shown remarkable…

Machine Learning · Computer Science 2024-06-05 Mahdi Naseri , Mahdi Biparva

Speech representation learning plays a vital role in speech processing. Among them, self-supervised learning (SSL) has become an important research direction. It has been shown that an SSL pretraining model can achieve excellent performance…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-20 Yi-Chen Chen , Shu-wen Yang , Cheng-Kuang Lee , Simon See , Hung-yi Lee

Semi-supervised learning (SSL) has recently received increased attention from machine learning researchers. By enabling effective propagation of known labels in graph-based deep learning (GDL) algorithms, SSL is poised to become an…

Machine Learning · Computer Science 2022-03-24 Alex Morehead , Watchanan Chantapakul , Jianlin Cheng

Self-supervised learning has become a popular approach in recent years for its ability to learn meaningful representations without the need for data annotation. This paper proposes a novel image augmentation technique, overlaying images,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yinheng Li , Han Ding , Shaofei Wang