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Cyber attacks has always been of a great concern. Websites and services with poor security layers are the most vulnerable to such cyber attacks. The attackers can easily access sensitive data like credit card details and social security…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Soumyatattwa Kar , Abhishek Bamotra , Bhavya Duvvuri , Radhika Mohanan

Online video streaming has evolved into an integral component of the contemporary Internet landscape. Yet, the disclosure of user requests presents formidable privacy challenges. As users stream their preferred online videos, their requests…

Multimedia · Computer Science 2026-02-02 Xianzhi Zhang , Yipeng Zhou , Di Wu , Quan Z. Sheng , Miao Hu , Linchang Xiao

The growing popularity of mobile and wearable devices with built-in cameras, the bright prospect of camera related applications such as augmented reality and life-logging system, the increased ease of taking and sharing photos, and advances…

Cryptography and Security · Computer Science 2016-10-05 Jiayu Shu , Rui Zheng , Pan Hui

Phishing is an online identity theft technique where attackers steal users personal information, leading to financial losses for individuals and organizations. With the increasing adoption of smartphones, which provide functionalities…

Cryptography and Security · Computer Science 2025-01-03 Diksha Goel

Deep learning technology has made it possible to generate realistic content of specific individuals. These `deepfakes' can now be generated in real-time which enables attackers to impersonate people over audio and video calls. Moreover,…

Cryptography and Security · Computer Science 2023-01-10 Lior Yasur , Guy Frankovits , Fred M. Grabovski , Yisroel Mirsky

Video compression plays a significant role in IoT devices for the efficient transport of visual data while satisfying all underlying bandwidth constraints. Deep learning-based video compression methods are rapidly replacing traditional…

Image and Video Processing · Electrical Eng. & Systems 2023-04-05 Jung-Woo Chang , Nojan Sheybani , Shehzeen Samarah Hussain , Mojan Javaheripi , Seira Hidano , Farinaz Koushanfar

Given an input video of a person and a new garment, the objective of this paper is to synthesize a new video where the person is wearing the specified garment while maintaining spatiotemporal consistency. Although significant advances have…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Hung Nguyen , Quang Qui-Vinh Nguyen , Khoi Nguyen , Rang Nguyen

Laparoscopic videos can be affected by different distortions which may impact the performance of surgery and introduce surgical errors. In this work, we propose a framework for automatically detecting and identifying such distortions and…

Model distillation is frequently proposed as a technique to reduce the privacy leakage of machine learning. These empirical privacy defenses rely on the intuition that distilled ``student'' models protect the privacy of training data, as…

Cryptography and Security · Computer Science 2023-03-08 Matthew Jagielski , Milad Nasr , Christopher Choquette-Choo , Katherine Lee , Nicholas Carlini

In today's era of digital misinformation, we are increasingly faced with new threats posed by video falsification techniques. Such falsifications range from cheapfakes (e.g., lookalikes or audio dubbing) to deepfakes (e.g., sophisticated AI…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Shruti Agarwal , Liwen Hu , Evonne Ng , Trevor Darrell , Hao Li , Anna Rohrbach

Human eye contact is a form of non-verbal communication and can have a great influence on social behavior. Since the location and size of the eye contact targets vary across different videos, learning a generic video-independent eye contact…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Tianyi Wu , Yusuke Sugano

Recently, memory-based approaches show promising results on semi-supervised video object segmentation. These methods predict object masks frame-by-frame with the help of frequently updated memory of the previous mask. Different from this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Kwanyong Park , Sanghyun Woo , Seoung Wug Oh , In So Kweon , Joon-Young Lee

This paper investigates the privacy leakage of smart speakers under an encrypted traffic analysis attack, referred to as voice command fingerprinting. In this attack, an adversary can eavesdrop both outgoing and incoming encrypted voice…

Cryptography and Security · Computer Science 2020-05-21 Chenggang Wang , Sean Kennedy , Haipeng Li , King Hudson , Gowtham Atluri , Xuetao Wei , Wenhai Sun , Boyang Wang

The accelerated use of digital cameras prompts an increasing concern about privacy and security, particularly in applications such as action recognition. In this paper, we propose an optimizing framework to provide robust visual privacy…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Carlos Hinojosa , Miguel Marquez , Henry Arguello , Ehsan Adeli , Li Fei-Fei , Juan Carlos Niebles

Member inference (MI) attacks aim to determine if a specific data sample was used to train a machine learning model. Thus, MI is a major privacy threat to models trained on private sensitive data, such as medical records. In MI attacks one…

Machine Learning · Computer Science 2022-05-30 Gilad Cohen , Raja Giryes

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Samed Arslan , Senem Tanberk

The security of messaging applications against person-in-the-middle attacks relies on the authenticity of the exchanged keys. For users unable to meet in person, a manual key fingerprint verification is necessary to ascertain key…

Human-Computer Interaction · Computer Science 2021-06-03 Lee Livsey , Helen Petrie , Siamak F. Shahandashti , Aidan Fray

A number of computer vision tasks exploit a succinct representation of the visual content in the form of sets of local features. Given an input image, feature extraction algorithms identify a set of keypoints and assign to each of them a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Luca Baroffio , Matteo Cesana , Alessandro Redondi , Marco Tagliasacchi

Personal sensory data is used by context-aware mobile applications to provide utility. However, the same data can also be used by an adversary to make sensitive inferences about a user thereby violating her privacy. We present DEEProtect, a…

Cryptography and Security · Computer Science 2017-11-20 Changchang Liu , Supriyo Chakraborty , Prateek Mittal

Procedural activity understanding requires perceiving human actions in terms of a broader task, where multiple keysteps are performed in sequence across a long video to reach a final goal state -- such as the steps of a recipe or a DIY…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Kumar Ashutosh , Santhosh Kumar Ramakrishnan , Triantafyllos Afouras , Kristen Grauman