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Contrastive self-supervised learning has become a prominent technique in representation learning. The main step in these methods is to contrast semantically similar and dissimilar pairs of samples. However, in the domain of Natural Language…

Computation and Language · Computer Science 2022-06-07 Amrita Bhattacharjee , Mansooreh Karami , Huan Liu

Recently, dense contrastive learning has shown superior performance on dense prediction tasks compared to instance-level contrastive learning. Despite its supremacy, the properties of dense contrastive representations have not yet been…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Jong Hak Moon , Wonjae Kim , Edward Choi

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Contrastive learning has recently shown immense potential in unsupervised visual representation learning. Existing studies in this track mainly focus on intra-image invariance learning. The learning typically uses rich intra-image…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Jiahao Xie , Xiaohang Zhan , Ziwei Liu , Yew Soon Ong , Chen Change Loy

Since rainy weather always degrades image quality and poses significant challenges to most computer vision-based intelligent systems, image de-raining has been a hot research topic. Fortunately, in a rainy light field (LF) image, background…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Tao Yan , Weijiang He , Chenglong Wang , Cihang Wei , Xiangjie Zhu , Yinghui Wang , Rynson W. H. Lau

Contrastive self-supervised learning has emerged as a promising approach to unsupervised visual representation learning. In general, these methods learn global (image-level) representations that are invariant to different views (i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Pedro O. Pinheiro , Amjad Almahairi , Ryan Y. Benmalek , Florian Golemo , Aaron Courville

Images suffer from heavy spatial redundancy because pixels in neighboring regions are spatially correlated. Existing approaches strive to overcome this limitation by reducing less meaningful image regions. However, current leading methods…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Yang Luo , Zhineng Chen , Peng Zhou , Zuxuan Wu , Xieping Gao , Yu-Gang Jiang

We present an unsupervised approach for factorizing object appearance into highlight, shading, and albedo layers, trained by multi-view real images. To do so, we construct a multi-view dataset by collecting numerous customer product photos…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Renjiao Yi , Ping Tan , Stephen Lin

Contrastive learning methods have significantly narrowed the gap between supervised and unsupervised learning on computer vision tasks. In this paper, we explore their application to geo-located datasets, e.g. remote sensing, where…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Kumar Ayush , Burak Uzkent , Chenlin Meng , Kumar Tanmay , Marshall Burke , David Lobell , Stefano Ermon

Self-supervised contrastive learning is a powerful tool to learn visual representation without labels. Prior work has primarily focused on evaluating the recognition accuracy of various pre-training algorithms, but has overlooked other…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Yuanyi Zhong , Haoran Tang , Junkun Chen , Jian Peng , Yu-Xiong Wang

Contrastive learning (CL) has emerged as a powerful technique for representation learning, with or without label supervision. However, supervised CL is prone to collapsing representations of subclasses within a class by not capturing all…

Machine Learning · Computer Science 2023-05-30 Yihao Xue , Siddharth Joshi , Eric Gan , Pin-Yu Chen , Baharan Mirzasoleiman

Self-supervised learning (SSL) has gained remarkable success, for which contrastive learning (CL) plays a key role. However, the recent development of new non-CL frameworks has achieved comparable or better performance with high improvement…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Thanh Nguyen , Trung Pham , Chaoning Zhang , Tung Luu , Thang Vu , Chang D. Yoo

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

Computer Vision and Pattern Recognition · Computer Science 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

Learning a deep model from small data is yet an opening and challenging problem. We focus on one-shot classification by deep learning approach based on a small quantity of training samples. We proposed a novel deep learning approach named…

Machine Learning · Computer Science 2018-02-13 Chuanyun Xu , Yang Zhang , Xin Feng , YongXing Ge , Yihao Zhang , Jianwu Long

In this paper, we address a rain removal problem from a single image, even in the presence of heavy rain and rain streak accumulation. Our core ideas lie in the new rain image models and a novel deep learning architecture. We first modify…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Wenhan Yang , Robby T. Tan , Jiashi Feng , Jiaying Liu , Zongming Guo , Shuicheng Yan

Unsupervised image restoration under multi-weather conditions remains a fundamental yet underexplored challenge. While existing methods often rely on task-specific physical priors, their narrow focus limits scalability and generalization to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Wenxuan Fang , Jiangwei Weng , Jianjun Qian , Jian Yang , Jun Li

Estimating correspondences between pairs of non-rigid deformable 3D shapes remains a significant challenge in computer vision and graphics. While deep functional map methods have become the go-to solution for addressing this problem, they…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Feifan Luo , Hongyang Chen

Despite the success of a number of recent techniques for visual self-supervised deep learning, there has been limited investigation into the representations that are ultimately learned. By leveraging recent advances in the comparison of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Tom George Grigg , Dan Busbridge , Jason Ramapuram , Russ Webb

Rain generation algorithms have the potential to improve the generalization of deraining methods and scene understanding in rainy conditions. However, in practice, they produce artifacts and distortions and struggle to control the amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Shen Zheng , Changjie Lu , Srinivasa G. Narasimhan