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Learning with curriculum has shown great effectiveness in tasks where the data contains noisy (corrupted) labels, since the curriculum can be used to re-weight or filter out noisy samples via proper design. However, obtaining curriculum…

机器学习 · 计算机科学 2020-12-29 Mengying Sun , Jing Xing , Bin Chen , Jiayu Zhou

Self-supervised learning algorithms (SSL) based on instance discrimination have shown promising results, performing competitively or even outperforming supervised learning counterparts in some downstream tasks. Such approaches employ data…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Mohammad Alkhalefi , Georgios Leontidis , Mingjun Zhong

Large sparsely-activated models have obtained excellent performance in multiple domains. However, such models are typically trained on a single modality at a time. We present the Language-Image MoE, LIMoE, a sparse mixture of experts model…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Basil Mustafa , Carlos Riquelme , Joan Puigcerver , Rodolphe Jenatton , Neil Houlsby

Large-scale multi-label text classification (LMTC) aims to associate a document with its relevant labels from a large candidate set. Most existing LMTC approaches rely on massive human-annotated training data, which are often costly to…

计算与语言 · 计算机科学 2023-10-24 Yu Zhang , Zhihong Shen , Chieh-Han Wu , Boya Xie , Junheng Hao , Ye-Yi Wang , Kuansan Wang , Jiawei Han

This paper investigates negative sampling for contrastive learning in the context of audio-text retrieval. The strategy for negative sampling refers to selecting negatives (either audio clips or textual descriptions) from a pool of…

音频与语音处理 · 电气工程与系统科学 2023-02-20 Huang Xie , Okko Räsänen , Tuomas Virtanen

Distance metric learning based on triplet loss has been applied with success in a wide range of applications such as face recognition, image retrieval, speaker change detection and recently recommendation with the CML model. However, as we…

信息检索 · 计算机科学 2019-09-25 Viet-Anh Tran , Romain Hennequin , Jimena Royo-Letelier , Manuel Moussallam

Multimodal Large Language Models (MLLMs) are increasingly deployed in real-world applications, yet their ability to make context-aware safety decisions remains limited. Existing methods often fail to balance oversensitivity (unjustified…

计算与语言 · 计算机科学 2025-09-24 Zheyuan Liu , Zhangchen Xu , Guangyao Dou , Xiangchi Yuan , Zhaoxuan Tan , Radha Poovendran , Meng Jiang

Graph contrastive learning (GCL) aims to contrast positive-negative counterparts to learn the node embeddings, whereas graph data augmentation methods are employed to generate these positive-negative samples. The variation, quantity, and…

机器学习 · 计算机科学 2025-03-05 Adnan Ali , Jinlong Li , Huanhuan Chen , Ali Kashif Bashir

Contrastive learning has gained widespread adoption for retrieval tasks due to its minimal requirement for manual annotations. However, popular training frameworks typically learn from binary (positive/negative) relevance, making them…

信息检索 · 计算机科学 2025-04-29 Tianyu Zhu , Myong Chol Jung , Jesse Clark

Contrastive learning has been demonstrated to be effective in enhancing pre-trained language models (PLMs) to derive superior universal sentence embeddings. However, existing contrastive methods still have two limitations. Firstly, previous…

计算与语言 · 计算机科学 2022-10-11 Yuxin Jiang , Linhan Zhang , Wei Wang

As one of the most fundamental techniques in multimodal learning, cross-modal matching aims to project various sensory modalities into a shared feature space. To achieve this, massive and correctly aligned data pairs are required for model…

计算机视觉与模式识别 · 计算机科学 2023-06-09 Shuo Yang , Zhaopan Xu , Kai Wang , Yang You , Hongxun Yao , Tongliang Liu , Min Xu

Extracting image semantics effectively and assigning corresponding labels to multiple objects or attributes for natural images is challenging due to the complex scene contents and confusing label dependencies. Recent works have focused on…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Leilei Ma , Dengdi Sun , Lei Wang , Haifeng Zhao , Bin Luo

Self-supervised learning (SSL) learns high-quality representations from large pools of unlabeled training data. As datasets grow larger, it becomes crucial to identify the examples that contribute the most to learning such representations.…

机器学习 · 计算机科学 2024-03-14 Siddharth Joshi , Baharan Mirzasoleiman

Contrastive learning (CL) has been successful as a powerful representation learning method. In this work we propose CLIM: Contrastive Learning with mutual Information Maximization, to explore the potential of CL on cross-domain sentiment…

计算与语言 · 计算机科学 2020-11-13 Tian Li , Xiang Chen , Shanghang Zhang , Zhen Dong , Kurt Keutzer

Deep learning-based AMC methods have achieved remarkable performance, but their practical deployment remains constrained by the high cost of labeled data. Although self-supervised learning (SSL) reduces the reliance on labels, existing…

信号处理 · 电气工程与系统科学 2026-05-13 Chenxu Wang , Shuang Wang , Lirong Han , Xinyu Hu , Hanlin Mo , Hantong Xing , Licheng Jiao

Learning with noisy labels (LNL) aims to ensure model generalization given a label-corrupted training set. In this work, we investigate a rarely studied scenario of LNL on fine-grained datasets (LNL-FG), which is more practical and…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Qi Wei , Lei Feng , Haoliang Sun , Ren Wang , Chenhui Guo , Yilong Yin

Noisy labels are an unavoidable consequence of labeling processes and detecting them is an important step towards preventing performance degradations in Convolutional Neural Networks. Discarding noisy labels avoids a harmful memorization,…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Self-supervised contrastive learning (CL) has achieved remarkable empirical success, often producing representations that rival supervised pre-training on downstream tasks. Recent theory explains this by showing that the CL loss closely…

机器学习 · 计算机科学 2025-10-13 Achleshwar Luthra , Priyadarsi Mishra , Tomer Galanti

Deep representations have shown promising performance when transferred to downstream tasks in a black-box manner. Yet, their inherent lack of interpretability remains a significant challenge, as these features are often opaque to human…

机器学习 · 计算机科学 2024-04-24 Yifei Wang , Qi Zhang , Yaoyu Guo , Yisen Wang

Large Language Models (LLMs) demonstrate strong in-context learning abilities, yet their effectiveness in text classification depends heavily on prompt design and incurs substantial computational cost. Conformal In-Context Learning (CICLe)…

计算与语言 · 计算机科学 2025-12-08 Ippokratis Pantelidis , Korbinian Randl , Aron Henriksson
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