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State-of-the-art approaches for image captioning require supervised training data consisting of captions with paired image data. These methods are typically unable to use unsupervised data such as textual data with no corresponding images,…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Wenhu Chen , Aurelien Lucchi , Thomas Hofmann

Membership inference attacks (MIAs) attempt to predict whether a particular datapoint is a member of a target model's training data. Despite extensive research on traditional machine learning models, there has been limited work studying MIA…

The proliferation of powerful Text-to-Video (T2V) models, trained on massive web-scale datasets, raises urgent concerns about copyright and privacy violations. Membership inference attacks (MIAs) provide a principled tool for auditing such…

密码学与安全 · 计算机科学 2026-01-19 Li Wang , Wenyu Chen , Ning Yu , Zheng Li , Shanqing Guo

OpenLVLM-MIA is a new benchmark that highlights fundamental challenges in evaluating membership inference attacks (MIA) against large vision-language models (LVLMs). While prior work has reported high attack success rates, our analysis…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Ryoto Miyamoto , Xin Fan , Fuyuko Kido , Tsuneo Matsumoto , Hayato Yamana

Membership inference attacks (MIAs) pose a serious threat to the privacy of machine learning models by allowing adversaries to determine whether a specific data sample was included in the training set. Although federated learning (FL) is…

密码学与安全 · 计算机科学 2026-01-27 Mohammad Zare , Pirooz Shamsinejadbabaki

Federated Learning (FL) is an emerging solution to the data scarcity problem for training deep learning models in hardware assurance. While FL is designed to enhance privacy by not sharing raw data, it remains vulnerable to Membership…

Vision-Language Models (VLMs) struggle with negation. Given a prompt like "retrieve (or generate) a street scene without pedestrians," they often fail to respect the "not." Existing methods address this limitation by fine-tuning on large…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Sepehr Kazemi Ranjbar , Kumail Alhamoud , Marzyeh Ghassemi

Visual captioning aims to generate textual descriptions given images or videos. Traditionally, image captioning models are trained on human annotated datasets such as Flickr30k and MS-COCO, which are limited in size and diversity. This…

计算机视觉与模式识别 · 计算机科学 2021-03-01 Marimuthu Kalimuthu , Aditya Mogadala , Marius Mosbach , Dietrich Klakow

Membership Inference attacks (MIAs) aim to predict whether a data sample was present in the training data of a machine learning model or not, and are widely used for assessing the privacy risks of language models. Most existing attacks rely…

Large vision-language models (LVLMs) derive their capabilities from extensive training on vast corpora of visual and textual data. Empowered by large-scale parameters, these models often exhibit strong memorization of their training data,…

密码学与安全 · 计算机科学 2025-11-05 Jinhua Yin , Peiru Yang , Chen Yang , Huili Wang , Zhiyang Hu , Shangguang Wang , Yongfeng Huang , Tao Qi

Machine learning (ML) models have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that ML models are vulnerable to…

机器学习 · 计算机科学 2022-02-04 Hongsheng Hu , Zoran Salcic , Lichao Sun , Gillian Dobbie , Philip S. Yu , Xuyun Zhang

Large language models (LLMs) are trained on massive web-scale corpora, raising growing concerns about privacy and copyright. Membership inference attacks (MIAs) aim to determine whether a given example was used during training. Existing LLM…

机器学习 · 计算机科学 2026-04-02 Ravi Ranjan , Utkarsh Grover , Xiaomin Lin , Agoritsa Polyzou

In this paper, we introduce a new vision-language pre-trained model -- ImageBERT -- for image-text joint embedding. Our model is a Transformer-based model, which takes different modalities as input and models the relationship between them.…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Di Qi , Lin Su , Jia Song , Edward Cui , Taroon Bharti , Arun Sacheti

Membership Inference Attacks (MIAs) on pre-trained Large Language Models (LLMs) aim at determining if a data point was part of the model's training set. Prior MIAs that are built for classification models fail at LLMs, due to ignoring the…

计算与语言 · 计算机科学 2025-09-17 Hongyan Chang , Ali Shahin Shamsabadi , Kleomenis Katevas , Hamed Haddadi , Reza Shokri

Membership inference attacks (MIA) attempt to verify the membership of a given data sample in the training set for a model. MIA has become relevant in recent years, following the rapid development of large language models (LLM). Many are…

计算与语言 · 计算机科学 2025-02-04 Haritz Puerto , Martin Gubri , Sangdoo Yun , Seong Joon Oh

Tabular data synthesis using diffusion models has gained significant attention for its potential to balance data utility and privacy. However, existing privacy evaluations often rely on heuristic metrics or weak membership inference attacks…

机器学习 · 计算机科学 2025-03-18 Xiaoyu Wu , Yifei Pang , Terrance Liu , Steven Wu

Multimodal Large Language Models (MLLMs) often struggle to accurately perceive fine-grained visual details, especially when targets are tiny or visually subtle. This challenge can be addressed through semantic-visual information fusion,…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yuxiang Shen , Hailong Huang , Zhenkun Gao , Xueheng Li , Man Zhou , Chengjun Xie , Haoxuan Che , Xuanhua He , Jie Zhang

Model inversion attacks (MIAs) aim to reconstruct private images from a target classifier's training set, thereby raising privacy concerns in AI applications. Previous GAN-based MIAs tend to suffer from inferior generative fidelity due to…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ouxiang Li , Yanbin Hao , Zhicai Wang , Bin Zhu , Shuo Wang , Zaixi Zhang , Fuli Feng

Video question-answering is a fundamental task in the field of video understanding. Although current vision--language models (VLMs) equipped with Video Transformers have enabled temporal modeling and yielded superior results, they are at…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria

Recent few-shot methods, such as parameter-efficient fine-tuning (PEFT) and pattern exploiting training (PET), have achieved impressive results in label-scarce settings. However, they are difficult to employ since they are subject to high…

计算与语言 · 计算机科学 2022-09-23 Lewis Tunstall , Nils Reimers , Unso Eun Seo Jo , Luke Bates , Daniel Korat , Moshe Wasserblat , Oren Pereg