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A fundamental challenge in artificial intelligence is learning useful representations of data that yield good performance on a downstream task, without overfitting to spurious input features. Extracting such task-relevant predictive…

Machine Learning · Computer Science 2021-06-15 Saeid Asgari Taghanaki , Kristy Choi , Amir Khasahmadi , Anirudh Goyal

Self-supervised learning algorithms based on instance discrimination train encoders to be invariant to pre-defined transformations of the same instance. While most methods treat different views of the same image as positives for a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Debidatta Dwibedi , Yusuf Aytar , Jonathan Tompson , Pierre Sermanet , Andrew Zisserman

Neural networks trained with ERM (empirical risk minimization) sometimes learn unintended decision rules, in particular when their training data is biased, i.e., when training labels are strongly correlated with undesirable features. To…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Inwoo Hwang , Sangjun Lee , Yunhyeok Kwak , Seong Joon Oh , Damien Teney , Jin-Hwa Kim , Byoung-Tak Zhang

Contrastive learning applied to self-supervised representation learning has seen a resurgence in recent years, leading to state of the art performance in the unsupervised training of deep image models. Modern batch contrastive approaches…

Machine Learning · Computer Science 2021-03-12 Prannay Khosla , Piotr Teterwak , Chen Wang , Aaron Sarna , Yonglong Tian , Phillip Isola , Aaron Maschinot , Ce Liu , Dilip Krishnan

Lexical difficulty prediction is a fundamental problem in language learning and readability assessment, requiring models to estimate word difficulty across different first-language (L1) backgrounds. However, existing approaches rely on…

Computation and Language · Computer Science 2026-05-12 Wicaksono Leksono Muhamad , Joanito Agili Lopo , Tsamarah Rana Nugraha , Ahmad Cahyono Adi , Muhammad Oriza Nurfajri

Contrastive learning (CL) is a popular technique for self-supervised learning (SSL) of visual representations. It uses pairs of augmentations of unlabeled training examples to define a classification task for pretext learning of a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Chih-Hui Ho , Nuno Vasconcelos

Complementary-label learning is a weakly supervised learning problem in which each training example is associated with one or multiple complementary labels indicating the classes to which it does not belong. Existing consistent approaches…

Machine Learning · Computer Science 2024-10-14 Wei Wang , Takashi Ishida , Yu-Jie Zhang , Gang Niu , Masashi Sugiyama

Contrastive learning is a method of learning visual representations by training Deep Neural Networks (DNNs) to increase the similarity between representations of positive pairs (transformations of the same image) and reduce the similarity…

Machine Learning · Computer Science 2022-10-26 Beomsu Kim , Jong Chul Ye

Machine unlearning offers effective solutions for revoking the influence of specific training data on pre-trained model parameters. While existing approaches address unlearning for classification and generative models, they overlook an…

Machine Learning · Computer Science 2025-08-19 Yihan Wang , Yiwei Lu , Guojun Zhang , Franziska Boenisch , Adam Dziedzic , Yaoliang Yu , Xiao-Shan Gao

Learning from noisy labels is a critical challenge in machine learning, with vast implications for numerous real-world scenarios. While supervised contrastive learning has recently emerged as a powerful tool for navigating label noise, many…

Machine Learning · Computer Science 2025-01-03 Jingyi Cui , Yi-Ge Zhang , Hengyu Liu , Yisen Wang

One of the challenges in contrastive learning is the selection of appropriate \textit{hard negative} examples, in the absence of label information. Random sampling or importance sampling methods based on feature similarity often lead to…

Machine Learning · Computer Science 2022-06-03 Afrina Tabassum , Muntasir Wahed , Hoda Eldardiry , Ismini Lourentzou

Modern machine learning models are prone to over-reliance on spurious correlations, which can often lead to poor performance on minority groups. In this paper, we identify surprising and nuanced behavior of finetuned models on worst-group…

Machine Learning · Computer Science 2024-10-29 Tyler LaBonte , John C. Hill , Xinchen Zhang , Vidya Muthukumar , Abhishek Kumar

This paper studies how encouraging semantically-aligned features during deep neural network training can increase network robustness. Recent works observed that Adversarial Training leads to robust models, whose learnt features appear to…

Machine Learning · Computer Science 2021-11-22 Motasem Alfarra , Juan C. Pérez , Adel Bibi , Ali Thabet , Pablo Arbeláez , Bernard Ghanem

Composed Image Retrieval (CIR) seeks to find a target image using a multi-modal query, which combines an image with modification text to pinpoint the target. While recent CIR methods have shown promise, they mainly focus on exploring…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Peng Gao , Yujian Lee , Zailong Chen , Hui zhang , Xubo Liu , Yiyang Hu , Guquang Jing

Deep networks have strong capacities of embedding data into latent representations and finishing following tasks. However, the capacities largely come from high-quality annotated labels, which are expensive to collect. Noisy labels are more…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Shikun Li , Xiaobo Xia , Shiming Ge , Tongliang Liu

Contrastive graph node clustering via learnable data augmentation is a hot research spot in the field of unsupervised graph learning. The existing methods learn the sampling distribution of a pre-defined augmentation to generate data-driven…

Machine Learning · Computer Science 2023-10-23 Xihong Yang , Cheng Tan , Yue Liu , Ke Liang , Siwei Wang , Sihang Zhou , Jun Xia , Stan Z. Li , Xinwang Liu , En Zhu

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

Deep learning with noisy labels is an interesting challenge in weakly supervised learning. Despite their significant learning capacity, CNNs have a tendency to overfit in the presence of samples with noisy labels. Alleviating this issue,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Yan Han , Soumava Kumar Roy , Mehrtash Harandi , Lars Petersson

Labeled data is a fundamental component in training supervised deep learning models for computer vision tasks. However, the labeling process, especially for ordinal image classification where class boundaries are often ambiguous, is prone…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Alireza Sedighi Moghaddam , Mohammad Reza Mohammadi

Transformations in the input space of Deep Neural Networks (DNN) lead to unintended changes in the feature space. Almost perceptually identical inputs, such as adversarial examples, can have significantly distant feature representations. On…

Machine Learning · Computer Science 2022-11-29 Iordanis Fostiropoulos , Laurent Itti