中文
相关论文

相关论文: Understanding the Robustness of Multi-modal Contra…

200 篇论文

Large language models adapt to new tasks through in-context learning (ICL) without parameter updates. Current theoretical explanations for this capability assume test tasks are drawn from a distribution similar to that seen during…

机器学习 · 计算机科学 2026-02-23 Di Zhang

Contrastive representation learning has been outstandingly successful in practice. In this work, we identify two key properties related to the contrastive loss: (1) alignment (closeness) of features from positive pairs, and (2) uniformity…

机器学习 · 计算机科学 2022-08-17 Tongzhou Wang , Phillip Isola

Contrastive representation learning (CRL) underpins many modern foundation models. Despite recent theoretical progress, existing analyses suffer from several key limitations: (i) the statistical consistency of CRL remains poorly understood;…

机器学习 · 计算机科学 2026-05-29 Yuanfan Li , Xiyuan Wei , Tianbao Yang , Yiming Ying

Contrastive learning (CL) continuously achieves significant breakthroughs across multiple domains. However, the most common InfoNCE-based methods suffer from some dilemmas, such as \textit{uniformity-tolerance dilemma} (UTD) and…

机器学习 · 计算机科学 2023-06-13 Zizheng Huang , Haoxing Chen , Ziqi Wen , Chao Zhang , Huaxiong Li , Bo Wang , Chunlin Chen

Self-supervised contrastive learning models, such as CLIP, have set new benchmarks for vision-language models in many downstream tasks. However, their dependency on rigid one-to-one mappings overlooks the complex and often multifaceted…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Yiming Zhang , Zhuokai Zhao , Zhaorun Chen , Zhili Feng , Zenghui Ding , Yining Sun

Modern Web systems such as social media and e-commerce contain rich contents expressed in images and text. Leveraging information from multi-modalities can improve the performance of machine learning tasks such as classification and…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Huidong Liu , Shaoyuan Xu , Jinmiao Fu , Yang Liu , Ning Xie , Chien-Chih Wang , Bryan Wang , Yi Sun

Visual imagery does not consist of solitary objects, but instead reflects the composition of a multitude of fluid concepts. While there have been great advances in visual representation learning, such advances have focused on building…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Austin Stone , Hagen Soltau , Robert Geirhos , Xi Yi , Ye Xia , Bingyi Cao , Kaifeng Chen , Abhijit Ogale , Jonathon Shlens

With the rapid advancement of multi-modal large language models (MLLMs) in recent years, the foundational Contrastive Language-Image Pretraining (CLIP) framework has been successfully extended to MLLMs, enabling more powerful and universal…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Youze Xue , Dian Li , Gang Liu

Semantic overlap among land-cover categories, highly imbalanced label distributions, and complex inter-class co-occurrence patterns constitute significant challenges for multi-label remote-sensing image retrieval. In this article,…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Amna Amir , Erchan Aptoula

For anomaly detection (AD), early approaches often train separate models for individual classes, yielding high performance but posing challenges in scalability and resource management. Recent efforts have shifted toward training a single…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Lei Fan , Junjie Huang , Donglin Di , Anyang Su , Tianyou Song , Maurice Pagnucco , Yang Song

Contrastive Language-Image Pre-training (CLIP) models have demonstrated remarkable performance in zero-shot classification tasks, yet their efficacy in handling complex multi-object scenarios remains challenging. This study presents a…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Reza Abbasi , Ali Nazari , Aminreza Sefid , Mohammadali Banayeeanzade , Mohammad Hossein Rohban , Mahdieh Soleymani Baghshah

Integrating supervised contrastive loss to cross entropy-based communication has recently been proposed as a solution to address the long-tail learning problem. However, when the class imbalance ratio is high, it requires adjusting the…

机器学习 · 计算机科学 2024-07-10 Charika De Alvis , Dishanika Denipitiyage , Suranga Seneviratne

Real-world data typically follow a long-tailed distribution, where a few majority categories occupy most of the data while most minority categories contain a limited number of samples. Classification models minimizing cross-entropy struggle…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Jianggang Zhu , Zheng Wang , Jingjing Chen , Yi-Ping Phoebe Chen , Yu-Gang Jiang

The popularity of self-supervised learning has made it possible to train models without relying on labeled data, which saves expensive annotation costs. However, most existing self-supervised contrastive learning methods often overlook the…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Weiquan Li , Xianzhong Long , Yun Li

Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases. Given the promising performance contrastive learning has shown recently in…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Peng Wang , Kai Han , Xiu-Shen Wei , Lei Zhang , Lei Wang

Contrastive vision-language models such as CLIP have demonstrated strong performance across a wide range of multimodal tasks by learning from aligned image-text pairs. However, their ability to handle complex, real-world web documents…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yiqi Lin , Alex Jinpeng Wang , Linjie Li , Zhengyuan Yang , Mike Zheng Shou

The pre-training for language models captures general language understanding but fails to distinguish the affective impact of a particular context to a specific word. Recent works have sought to introduce contrastive learning (CL) for…

计算与语言 · 计算机科学 2024-05-06 Jin Wang , Liang-Chih Yu , Xuejie Zhang

Video highlight detection is a crucial yet challenging problem that aims to identify the interesting moments in untrimmed videos. The key to this task lies in effective video representations that jointly pursue two goals, \textit{i.e.},…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Shuaicheng Li , Feng Zhang , Kunlin Yang , Lingbo Liu , Shinan Liu , Jun Hou , Shuai Yi

Contrastive Language-Image Pre-training (CLIP) is a widely used multimodal model that aligns text and image representations through large-scale training. While it performs strongly on zero-shot and few-shot tasks, its robustness to…

计算与语言 · 计算机科学 2025-11-17 Udo Schlegel , Franziska Weeber , Jian Lan , Thomas Seidl

Image-text contrastive learning models such as CLIP have demonstrated strong task transfer ability. The high generality and usability of these visual models is achieved via a web-scale data collection process to ensure broad concept…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Haotian Liu , Kilho Son , Jianwei Yang , Ce Liu , Jianfeng Gao , Yong Jae Lee , Chunyuan Li