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Users' website browsing history contains sensitive information, like health conditions, political interests, financial situations, etc. Some recent studies have demonstrated the possibility of inferring website fingerprints based on…

密码学与安全 · 计算机科学 2021-10-05 Han Wang

The principle of Photo Response Non Uniformity (PRNU) is often exploited to deduce the identity of the smartphone device whose camera or sensor was used to acquire a certain image. In this work, we design an algorithm that perturbs a face…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Sudipta Banerjee , Arun Ross

We present a method for precisely time-synchronizing the capture of image sequences from a collection of smartphone cameras connected over WiFi. Our method is entirely software-based, has only modest hardware requirements, and achieves an…

计算机视觉与模式识别 · 计算机科学 2019-08-16 Sameer Ansari , Neal Wadhwa , Rahul Garg , Jiawen Chen

The rise of deepfake technology brings forth new questions about the authenticity of various forms of media found online today. Videos and images generated by artificial intelligence (AI) have become increasingly more difficult to…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Benjamin Carter , Nathan Dilla , Micheal Callahan , Atuhaire Ambala

Facebook is the online social networks (OSNs) platform with the largest number of users in the world today, information protection based on Facebook social network platform have important practical significance. Since the information users…

多媒体 · 计算机科学 2019-06-10 Xiaoqing Liu , Yinyin Peng , Jie Wang , Zhaoxia Yin

Photo Response Non-Uniformity (PRNU) is a camera imaging sensor imperfection which has earned a great interest for source device attribution of digital videos. A majority of recent researches about PRNU-based source device attribution for…

图像与视频处理 · 电气工程与系统科学 2019-04-02 Emmanuel Kiegaing Kouokam , Ahmet Emir Dirik

With the development and widespread application of digital image processing technology, image splicing has become a common method of image manipulation, raising numerous security and legal issues. This paper introduces a new splicing image…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Ao Xiang , Jingyu Zhang , Qin Yang , Liyang Wang , Yu Cheng

Manipulated images are a threat to consumers worldwide, when they are used to spread disinformation. Therefore, Comprint enables forgery detection by utilizing JPEG-compression fingerprints. This paper evaluates the impact of the training…

多媒体 · 计算机科学 2023-03-08 Hannes Mareen , Dante Vanden Bussche , Glenn Van Wallendael , Luisa Verdoliva , Peter Lambert

Modern browsers give access to several attributes that can be collected to form a browser fingerprint. Although browser fingerprints have primarily been studied as a web tracking tool, they can contribute to improve the current state of web…

密码学与安全 · 计算机科学 2021-10-05 Nampoina Andriamilanto , Tristan Allard , Gaëtan Le Guelvouit , Alexandre Garel

Singular points of a fingerprint image are special locations having high curvature properties. They can play a pivotal role in fingerprint normalization and reliable feature extraction. Accurate and efficient extraction of a singular point…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Geetika Arora , Ranjeet Ranjan Jha , Akash Agrawal , Kamlesh Tiwari , Aditya Nigam

Embedded devices are omnipresent in modern networks including the ones operating inside critical environments. However, due to their constrained nature, novel mechanisms are required to provide external, and non-intrusive anomaly detection.…

密码学与安全 · 计算机科学 2023-02-07 Kurt A. Vedros , Georgios Michail Makrakis , Constantinos Kolias , Robert C. Ivans , Craig Rieger

Present world has already been consistently exploring the fine edges of online and digital world by imposing multiple challenging problems/scenarios. Similar to physical world, personal identity management is very crucial in-order to…

计算机视觉与模式识别 · 计算机科学 2018-12-14 Avantika Singh , Ashish Arora , Shreya Hasmukh Patel , Gaurav Jaswal , Aditya Nigam

Applying encryption technology to image retrieval can ensure the security and privacy of personal images. The related researches in this field have focused on the organic combination of encryption algorithm and artificial feature…

多媒体 · 计算机科学 2022-08-26 Zhixun Lu , Qihua Feng , Peiya Li

Wireless fingerprinting refers to a device identification method leveraging hardware imperfections and wireless channel variations as signatures. Beyond physical layer characteristics, recent studies demonstrated that user behaviors could…

The deployment of machine learning models in operational contexts represents a significant investment for any organisation. Consequently, the risk of these models being misappropriated by competitors needs to be addressed. In recent years,…

机器学习 · 计算机科学 2025-05-26 Augustin Godinot , Erwan Le Merrer , Camilla Penzo , François Taïani , Gilles Trédan

The internet is filled with fake face images and videos synthesized by deep generative models. These realistic DeepFakes pose a challenge to determine the authenticity of multimedia content. As countermeasures, artifact-based detection…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Gaojian Wang , Qian Jiang , Xin Jin , Xiaohui Cui

Visual content has become the primary source of information, as evident in the billions of images and videos, shared and uploaded on the Internet every single day. This has led to an increase in alterations in images and videos to make them…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Prabhat Kumar , Mayank Vatsa , Richa Singh

Recent advances in AI-powered image editing tools have significantly lowered the barrier to image modification, raising pressing security concerns those related to spreading misinformation and disinformation on social platforms. Image…

图像与视频处理 · 电气工程与系统科学 2024-08-27 Keyang Zhang , Chenqi Kong , Shiqi Wang , Anderson Rocha , Haoliang Li

Watermarking plays a key role in the provenance and detection of AI-generated content. While existing methods prioritize robustness against real-world distortions (e.g., JPEG compression and noise addition), we reveal a fundamental…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Zhongjie Ba , Yitao Zhang , Peng Cheng , Bin Gong , Xinyu Zhang , Qinglong Wang , Kui Ren

Building footprint extraction from high-resolution aerial images is always an essential part of urban dynamic monitoring, planning and management. It has also been a challenging task in remote sensing research. In recent years, deep neural…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Jingbo Lin , Weipeng Jing , Houbing Song , Guangsheng Chen