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Tremendous progress has been made in visual representation learning, notably with the recent success of self-supervised contrastive learning methods. Supervised contrastive learning has also been shown to outperform its cross-entropy…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Ashraful Islam , Chun-Fu Chen , Rameswar Panda , Leonid Karlinsky , Richard Radke , Rogerio Feris

Recently, both Contrastive Learning (CL) and Mask Image Modeling (MIM) demonstrate that self-supervision is powerful to learn good representations. However, naively combining them is far from success. In this paper, we start by making the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Ziyu Jiang , Yinpeng Chen , Mengchen Liu , Dongdong Chen , Xiyang Dai , Lu Yuan , Zicheng Liu , Zhangyang Wang

In Computer Vision, self-supervised contrastive learning enforces similar representations between different views of the same image. The pre-training is most often performed on image classification datasets, like ImageNet, where images…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Benjamin Missaoui , Chongbin Yuan

Contrastive learning has emerged as a transformative method for learning effective visual representations through the alignment of image and text embeddings. However, pairwise similarity computation in contrastive loss between image and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Sachin Mehta , Maxwell Horton , Fartash Faghri , Mohammad Hossein Sekhavat , Mahyar Najibi , Mehrdad Farajtabar , Oncel Tuzel , Mohammad Rastegari

Graph Contrastive Learning (GCL) excels at managing noise and fluctuations in input data, making it popular in various fields (e.g., social networks, and knowledge graphs). Our study finds that the difference in high-frequency information…

Machine Learning · Computer Science 2024-10-15 Yuntao Shou , Xiangyong Cao , Deyu Meng

In this paper, we present a new cross-architecture contrastive learning (CACL) framework for self-supervised video representation learning. CACL consists of a 3D CNN and a video transformer which are used in parallel to generate diverse…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Sheng Guo , Zihua Xiong , Yujie Zhong , Limin Wang , Xiaobo Guo , Bing Han , Weilin Huang

Large-scale foundation models, such as CLIP, have demonstrated remarkable success in visual recognition tasks by embedding images in a semantically rich space. Self-supervised learning (SSL) has also shown promise in improving visual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Mainak Singha , Ankit Jha , Biplab Banerjee

Contrastive learning has gained popularity and pushes state-of-the-art performance across numerous large-scale benchmarks. In contrastive learning, the contrastive loss function plays a pivotal role in discerning similarities between…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Haojin Deng , Yimin Yang

Although there is significant progress in supervised semantic segmentation, it remains challenging to deploy the segmentation models to unseen domains due to domain biases. Domain adaptation can help in this regard by transferring knowledge…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Binhui Xie , Mingjia Li , Shuang Li

Feature representation via self-supervised learning has reached remarkable success in image-level contrastive learning, which brings impressive performances on image classification tasks. While image-level feature representation mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Junwei Yang , Ke Zhang , Zhaolin Cui , Jinming Su , Junfeng Luo , Xiaolin Wei

In the realms of computer vision, it is evident that deep neural networks perform better in a supervised setting with a large amount of labeled data. The representations learned with supervision are not only of high quality but also helps…

Machine Learning · Computer Science 2020-09-28 Souradip Chakraborty , Aritra Roy Gosthipaty , Sayak Paul

Image segmentation relies on large annotated datasets, which are expensive and slow to produce. Silver-standard (AI-generated) labels are easier to obtain, but they risk introducing bias. Self-supervised learning, needing only images, has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Marceau Lafargue-Hauret , Raghav Mehta , Fabio De Sousa Ribeiro , Mélanie Roschewitz , Ben Glocker

Self-supervised contrastive learning frameworks have progressed rapidly over the last few years. In this paper, we propose a novel loss function for contrastive learning. We model our pre-training task as a binary classification problem to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Siladittya Manna , Umapada Pal , Saumik Bhattacharya

Self-supervision allows learning meaningful representations of natural images, which usually contain one central object. How well does it transfer to multi-entity scenes? We discuss key aspects of learning structured object-centric…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Federico Baldassarre , Hossein Azizpour

Self-supervised learning holds promise in leveraging large numbers of unlabeled data. However, its success heavily relies on the highly-curated dataset, e.g., ImageNet, which still needs human cleaning. Directly learning representations…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Meilin Chen , Yizhou Wang , Shixiang Tang , Feng Zhu , Haiyang Yang , Lei Bai , Rui Zhao , Donglian Qi , Wanli Ouyang

Retail product Image classification problems are often few shot classification problems, given retail product classes cannot have the type of variations across images like a cat or dog or tree could have. Previous works have shown different…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Muktabh Mayank Srivastava

Leveraging nearest neighbor retrieval for self-supervised representation learning has proven beneficial with object-centric images. However, this approach faces limitations when applied to scene-centric datasets, where multiple objects…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Tim Lebailly , Thomas Stegmüller , Behzad Bozorgtabar , Jean-Philippe Thiran , Tinne Tuytelaars

Through minimization of an appropriate loss function such as the InfoNCE loss, contrastive learning (CL) learns a useful representation function by pulling positive samples close to each other while pushing negative samples far apart in the…

Machine Learning · Computer Science 2024-05-13 Ruijie Jiang , Thuan Nguyen , Prakash Ishwar , Shuchin Aeron

Recent advances in unsupervised representation learning often rely on knowing the number of classes to improve feature extraction and clustering. However, this assumption raises an important question: is the number of classes always…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Houwang Jiang , Zhuxian Liu , Guodong Liu , Xiaolong Liu , Shihua Zhan

Semi-supervised learning acts as an effective way to leverage massive unlabeled data. In this paper, we propose a novel training strategy, termed as Semi-supervised Contrastive Learning (SsCL), which combines the well-known contrastive loss…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Yuhang Zhang , Xiaopeng Zhang , Robert. C. Qiu , Jie Li , Haohang Xu , Qi Tian
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