中文
相关论文

相关论文: Model-Aware Contrastive Learning: Towards Escaping…

200 篇论文

Contrastive learning has demonstrated great capability to learn representations without annotations, even outperforming supervised baselines. However, it still lacks important properties useful for real-world application, one of which is…

机器学习 · 计算机科学 2021-10-12 Oliver Zhang , Mike Wu , Jasmine Bayrooti , Noah Goodman

Multimodal representation learning aims to construct a shared embedding space in which heterogeneous modalities are semantically aligned. Despite strong empirical results, InfoNCE-based objectives introduce inherent conflicts that yield…

机器学习 · 计算机科学 2026-02-11 Wenzhe Yin , Pan Zhou , Zehao Xiao , Jie Liu , Shujian Yu , Jan-Jakob Sonke , Efstratios Gavves

Vision-language models (VLMs) have shown remarkable ability in aligning visual and textual representations, enabling a wide range of multimodal applications. However, their large-scale training data inevitably raises concerns about privacy,…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Shen Lin , Junhao Dong , Rongjie Chen , Xiaoyu Zhang , Li Xu , Xiaofeng Chen

Continual Learning (CL) strives to learn incrementally across tasks while mitigating catastrophic forgetting. A key challenge in CL is balancing stability (retaining prior knowledge) and plasticity (learning new tasks). While representative…

机器学习 · 计算机科学 2025-05-30 Mei Li , Yuxiang Lu , Qinyan Dai , Suizhi Huang , Yue Ding , Hongtao Lu

Online continual learning (OCL) aims to enable model learning from a non-stationary data stream to continuously acquire new knowledge as well as retain the learnt one, under the constraints of having limited system size and computational…

计算机视觉与模式识别 · 计算机科学 2023-01-16 Sheng-Feng Yu , Wei-Chen Chiu

Machine unlearning, the efficient deletion of the impact of specific data in a trained model, remains a challenging problem. Current machine unlearning approaches that focus primarily on data-centric or weight-based strategies frequently…

机器学习 · 计算机科学 2025-08-07 Thang Duc Tran , Thai Hoang Le

The task of Long-tailed Class Incremental Learning (LT-CIL) addresses the sequential learning of new classes from datasets with imbalanced class distributions. This scenario intensifies the fundamental problem of catastrophic forgetting,…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Taigo Sakai , Kazuhiro Hotta

Selective classification enables models to make predictions only when they are sufficiently confident, aiming to enhance safety and reliability, which is important in high-stakes scenarios. Previous methods mainly use deep neural networks…

机器学习 · 计算机科学 2024-06-10 Yu-Chang Wu , Shen-Huan Lyu , Haopu Shang , Xiangyu Wang , Chao Qian

Reliability of deep learning models is critical for deployment in high-stakes applications, where out-of-distribution or adversarial inputs may lead to detrimental outcomes. Evidential Deep Learning, an efficient paradigm for uncertainty…

机器学习 · 计算机科学 2026-03-05 Charmaine Barker , Daniel Bethell , Simos Gerasimou

Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Deep learning-based Natural Language Processing (NLP) models are vulnerable to adversarial attacks, where small perturbations can cause a model to misclassify. Adversarial Training (AT) is often used to increase model robustness. However,…

计算与语言 · 计算机科学 2024-10-15 Vyas Raina , Samson Tan , Volkan Cevher , Aditya Rawal , Sheng Zha , George Karypis

Counterfactual tuning (CFT) has emerged as a promising paradigm for Large Language Model (LLM) unlearning by training models to generate alternative fictitious knowledge in place of undesired content. However, in this work, we find that…

计算与语言 · 计算机科学 2026-05-27 Xiaotian Ye , Xiaohan Wang , Mengqi Zhang , Shu Wu

Convolutional neural networks (CNNs) excel in computer vision but are susceptible to adversarial attacks, crafted perturbations designed to mislead predictions. Despite advances in adversarial training, a gap persists between model accuracy…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Hayat Ullah , Syed Muhammad Talha Zaidi , Arslan Munir

Image classification is hindered by subtle inter-class differences and substantial intra-class variations, which limit the effectiveness of existing contrastive learning methods. Supervised contrastive approaches based on the InfoNCE loss…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Bin Wang , Fadi Dornaika

Contrastive learning has become a fundamental approach in both uni-modal and multi-modal frameworks. This learning paradigm pulls positive pairs of samples closer while pushing negatives apart. In the uni-modal setting (e.g., image-based…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Siarhei Sheludzko , Dhimitrios Duka , Bernt Schiele , Hilde Kuehne , Anna Kukleva

Despite recent success of self-supervised based contrastive learning model for 3D point clouds representation, the adversarial robustness of such pre-trained models raised concerns. Adversarial contrastive learning (ACL) is considered an…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Junxuan Huang , Yatong An , Lu cheng , Bai Chen , Junsong Yuan , Chunming Qiao

Multimodal contrastive learning uses various data modalities to create high-quality features, but its reliance on extensive data sources on the Internet makes it vulnerable to backdoor attacks. These attacks insert malicious behaviors…

密码学与安全 · 计算机科学 2024-10-01 Kuanrong Liu , Siyuan Liang , Jiawei Liang , Pengwen Dai , Xiaochun Cao

Expert systems often operate in domains characterized by class-imbalanced tabular data, where detecting rare but critical instances is essential for safety and reliability. While conventional approaches, such as cost-sensitive learning,…

机器学习 · 计算机科学 2025-06-23 Md Abrar Jahin , Adiba Abid , M. F. Mridha

Recently, more and more people study online for the convenience of access to massive learning materials (e.g. test questions/notes), thus accurately understanding learning materials became a crucial issue, which is essential for many…

计算与语言 · 计算机科学 2023-03-15 He Zhu , Xihua Li , Xuemin Zhao , Yunbo Cao , Shan Yu

Deterministic embeddings learned by contrastive learning (CL) methods such as SimCLR and SupCon achieve state-of-the-art performance but lack a principled mechanism for uncertainty quantification. We propose Variational Contrastive Learning…

机器学习 · 计算机科学 2025-10-08 Minoh Jeong , Seonho Kim , Alfred Hero