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Related papers: GeoShield: Safeguarding Geolocation Privacy from V…

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Large Visual Language Models (LVLMs) now pose a serious yet overlooked privacy threat, as they can infer a social media user's geolocation directly from shared images, leading to unintended privacy leakage. While adversarial image…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jiayi Zhu , Yihao Huang , Yue Cao , Xiaojun Jia , Qing Guo , Felix Juefei-Xu , Geguang Pu , Bin Wang

Vision Language Models (VLMs) are rapidly advancing in their capability to answer information-seeking questions. As these models are widely deployed in consumer applications, they could lead to new privacy risks due to emergent abilities to…

Computation and Language · Computer Science 2024-10-18 Ethan Mendes , Yang Chen , James Hays , Sauvik Das , Wei Xu , Alan Ritter

Vision-language models (VLMs) have demonstrated strong performance in image geolocation, a capability further sharpened by frontier multimodal large reasoning models (MLRMs). This poses a significant privacy risk, as these widely accessible…

Cryptography and Security · Computer Science 2026-02-19 Ruixin Yang , Ethan Mendes , Arthur Wang , James Hays , Sauvik Das , Wei Xu , Alan Ritter

Images shared on social media often expose geographic cues. While early geolocation methods required expert effort and lacked generalization, the rise of Large Vision Language Models (LVLMs) now enables accurate geolocation even for…

Cryptography and Security · Computer Science 2025-12-01 Xinyu Zhang , Yixin Wu , Boyang Zhang , Chenhao Lin , Chao Shen , Michael Backes , Yang Zhang

Geo-localization is the task of identifying the location of an image using visual cues alone. It has beneficial applications, such as improving disaster response, enhancing navigation, and geography education. Recently, Vision-Language…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Oliver Grainge , Sania Waheed , Jack Stilgoe , Michael Milford , Shoaib Ehsan

Geographic privacy or geo-privacy refers to the keeping private of one's geographic location, especially the restriction of geographical data maintained by personal electronic devices. Geo-privacy is a crucial aspect of personal security;…

Computers and Society · Computer Science 2025-04-15 Yifan Yang , Siqin Wang , Daoyang Li , Yixian Zhang , Shuju Sun , Junzhou He

Objectives: The rapid advancement of Multimodal Large Language Models (MLLMs) has significantly enhanced their reasoning capabilities, enabling a wide range of intelligent applications. However, these advancements also raise critical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Xian Zhang , Xiang Cheng

The prevalence of Vision-Language Models (VLMs) raises important questions about privacy in an era where visual information is increasingly available. While foundation VLMs demonstrate broad knowledge and learned capabilities, we…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Neel Jay , Hieu Minh Nguyen , Trung Dung Hoang , Jacob Haimes

Geolocation is now a vital aspect of modern life, offering numerous benefits but also presenting serious privacy concerns. The advent of large vision-language models (LVLMs) with advanced image-processing capabilities introduces new risks,…

Cryptography and Security · Computer Science 2024-08-20 Yi Liu , Junchen Ding , Gelei Deng , Yuekang Li , Tianwei Zhang , Weisong Sun , Yaowen Zheng , Jingquan Ge , Yang Liu

Recent years have witnessed remarkable progress in developing Vision-Language Models (VLMs) capable of processing both textual and visual inputs. These models have demonstrated impressive performance, leading to their widespread adoption in…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Hanene F. Z. Brachemi Meftah , Wassim Hamidouche , Sid Ahmed Fezza , Olivier Déforges

Recent advances in multi-modal large reasoning models (MLRMs) have shown significant ability to interpret complex visual content. While these models enable impressive reasoning capabilities, they also introduce novel and underexplored…

Cryptography and Security · Computer Science 2026-03-04 Weidi Luo , Tianyu Lu , Qiming Zhang , Xiaogeng Liu , Bin Hu , Yue Zhao , Jieyu Zhao , Song Gao , Patrick McDaniel , Zhen Xiang , Chaowei Xiao

Today's geo-location estimation approaches are able to infer the location of a target image using its visual content alone. These approaches exploit visual matching techniques, applied to a large collection of background images with known…

Computers and Society · Computer Science 2016-03-07 Jaeyoung Choi , Martha Larson , Xinchao Li , Gerald Friedland , Alan Hanjalic

Visual Language Models (VLMs) are vulnerable to adversarial attacks, especially those from adversarial images, which is however under-explored in literature. To facilitate research on this critical safety problem, we first construct a new…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Youcheng Huang , Fengbin Zhu , Jingkun Tang , Pan Zhou , Wenqiang Lei , Jiancheng Lv , Tat-Seng Chua

The emergence of Multimodal Large Language Models (MLLMs) and the widespread usage of MLLM cloud services such as GPT-4V raised great concerns about privacy leakage in visual data. As these models are typically deployed in cloud services,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Xiaofei Hui , Qian Wu , Haoxuan Qu , Majid Mirmehdi , Hossein Rahmani , Jun Liu

We have investigated a new application of adversarial examples, namely location privacy protection against landmark recognition systems. We introduce mask-guided multimodal projected gradient descent (MM-PGD), in which adversarial examples…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Trung-Nghia Le , Ta Gu , Huy H. Nguyen , Isao Echizen

Vision-Language Models (VLMs) combine visual and textual understanding, rendering them well-suited for diverse tasks like generating image captions and answering visual questions across various domains. However, these capabilities are built…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Simone Caldarella , Massimiliano Mancini , Elisa Ricci , Rahaf Aljundi

As Vision-Language Models (VLMs) are increasingly deployed as autonomous cognitive cores for embodied assistants, evaluating their privacy awareness in physical environments becomes critical. Unlike digital chatbots, these agents operate in…

Cryptography and Security · Computer Science 2026-05-11 Junran Wang , Xinjie Shen , Zehao Jin , Pan Li

Psychological stress is a widespread issue that significantly impacts student well-being and academic performance. Effective remote stress recognition is crucial, yet existing methods often rely on wearable devices or GPS-based clustering…

Cryptography and Security · Computer Science 2026-04-15 Hoang Khang Phan , Nhat Tan Le

The improved semantic understanding of vision-language pretrained (VLP) models has made it increasingly difficult to protect publicly posted images from being exploited by search engines and other similar tools. In this context, this paper…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Xuelin Shen , Jiayin Xu , Kangsheng Yin , Wenhan Yang

As vision-language models (VLMs) become widely adopted, VLM-based attribute inference attacks have emerged as a serious privacy concern, enabling adversaries to infer private attributes from images shared on social media. This escalating…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yucheng Fan , Jiawei Chen , Yu Tian , Zhaoxia Yin
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