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Recently, generative adversarial networks (GANs) can generate photo-realistic fake facial images which are perceptually indistinguishable from real face photos, promoting research on fake face detection. Though fake face forensics can…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Yongwei Wang , Xin Ding , Li Ding , Rabab Ward , Z. Jane Wang

As electronic systems become increasingly complex and prevalent in modern vehicles, securing onboard networks is crucial, particularly as many of these systems are safety-critical. Researchers have demonstrated that modern vehicles are…

Cryptography and Security · Computer Science 2024-12-31 Chunheng Zhao , Stefano Longari , Michele Carminati , Pierluigi Pisu

Anomaly detection aims to detect abnormal events by a model of normality. It plays an important role in many domains such as network intrusion detection, criminal activity identity and so on. With the rapidly growing size of accessible…

Machine Learning · Computer Science 2018-08-02 Chu Wang , Yan-Ming Zhang , Cheng-Lin Liu

Automating arrhythmia detection from ECG requires a robust and trusted system that retains high accuracy under electrical disturbances. Many machine learning approaches have reached human-level performance in classifying arrhythmia from…

Signal Processing · Electrical Eng. & Systems 2022-10-14 Khondker Fariha Hossain , Sharif Amit Kamran , Alireza Tavakkoli , Xingjun Ma

Online social media is integral to human life, facilitating messaging, information sharing, and confidential communication while preserving privacy. Platforms like Twitter, Instagram, and Facebook exemplify this phenomenon. However, users…

Social and Information Networks · Computer Science 2026-02-10 Jinus Bordbar , Mohammadreza Mohammadrezaie , Saman Ardalan , Mohammad Ebrahim Shiri

Classifiers fail to classify correctly input images that have been purposefully and imperceptibly perturbed to cause misclassification. This susceptability has been shown to be consistent across classifiers, regardless of their type,…

Machine Learning · Computer Science 2018-12-11 Blerta Lindqvist , Shridatt Sugrim , Rauf Izmailov

The proliferation of smart, connected, always listening devices have introduced significant privacy risks to users in a smart home environment. Beyond the notable risk of eavesdropping, intruders can adopt machine learning techniques to…

Machine Learning · Computer Science 2020-11-16 Olakunle Ibitoye , Ashraf Matrawy , M. Omair Shafiq

In the past few years, consumer review sites have become the main target of deceptive opinion spam, where fictitious opinions or reviews are deliberately written to sound authentic. Most of the existing work to detect the deceptive reviews…

Cryptography and Security · Computer Science 2018-05-29 Hojjat Aghakhani , Aravind Machiry , Shirin Nilizadeh , Christopher Kruegel , Giovanni Vigna

The rapid advancement of Generative Artificial Intelligence (GenAI) capabilities is accompanied by a concerning rise in its misuse. In particular the generation of credible misinformation in the form of images poses a significant threat to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Sina Mavali , Jonas Ricker , David Pape , Asja Fischer , Lea Schönherr

Generative adversarial networks (GAN) are a class of powerful machine learning techniques, where both a generative and discriminative model are trained simultaneously. GANs have been used, for example, to successfully generate "deep fake"…

Cryptography and Security · Computer Science 2021-07-06 Rakesh Nagaraju , Mark Stamp

Insurance fraud occurs when policyholders file claims that are exaggerated or based on intentional damages. This contribution develops a fraud detection strategy by extracting insightful information from the social network of a claim.…

Social and Information Networks · Computer Science 2020-09-18 María Óskarsdóttir , Waqas Ahmed , Katrien Antonio , Bart Baesens , Rémi Dendievel , Tom Donas , Tom Reynkens

Anomaly detection is a classical problem where the aim is to detect anomalous data that do not belong to the normal data distribution. Current state-of-the-art methods for anomaly detection on complex high-dimensional data are based on the…

Machine Learning · Computer Science 2019-04-03 Cuong Phuc Ngo , Amadeus Aristo Winarto , Connie Kou Khor Li , Sojeong Park , Farhan Akram , Hwee Kuan Lee

Deepfake represents a category of face-swapping attacks that leverage machine learning models such as autoencoders or generative adversarial networks. Although the concept of the face-swapping is not new, its recent technical advances make…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Chaofei Yang , Lei Ding , Yiran Chen , Hai Li

Generative adversarial networks (GANs) and diffusion models have dramatically advanced deepfake technology, and its threats to digital security, media integrity, and public trust have increased rapidly. This research explored zero-shot…

Graphics · Computer Science 2025-09-24 Ayan Sar , Sampurna Roy , Tanupriya Choudhury , Ajith Abraham

In recent years, deep neural network approaches have been widely adopted for machine learning tasks, including classification. However, they were shown to be vulnerable to adversarial perturbations: carefully crafted small perturbations can…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Pouya Samangouei , Maya Kabkab , Rama Chellappa

In recent years, financial fraud detection systems have become very efficient at detecting fraud, which is a major threat faced by e-commerce platforms. Such systems often include machine learning-based algorithms aimed at detecting and…

Cryptography and Security · Computer Science 2023-12-05 Chen Doytshman , Satoru Momiyama , Inderjeet Singh , Yuval Elovici , Asaf Shabtai

Artificial Intelligence has become a double edged sword in modern society being both a boon and a bane. While it empowers individuals it also enables malicious actors to perpetrate scams such as fraudulent phone calls and user…

Cryptography and Security · Computer Science 2025-01-28 Gurjot Singh , Prabhjot Singh , Maninder Singh

This study developed a generative adversarial network (GAN)-based defense method for traffic sign classification in an autonomous vehicle (AV), referred to as the attack-resilient GAN (AR-GAN). The novelty of the AR-GAN lies in (i) assuming…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 M Sabbir Salek , Abdullah Al Mamun , Mashrur Chowdhury

Anomaly detection is a significant problem faced in several research areas. Detecting and correctly classifying something unseen as anomalous is a challenging problem that has been tackled in many different manners over the years.…

Machine Learning · Computer Science 2021-09-15 Federico Di Mattia , Paolo Galeone , Michele De Simoni , Emanuele Ghelfi

The rapid advancement of generative image technology has introduced significant security concerns, particularly in the domain of face generation detection. This paper investigates the vulnerabilities of current AI-generated face detection…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Sun Haoxuan , Hong Yan , Zhan Jiahui , Chen Haoxing , Lan Jun , Zhu Huijia , Wang Weiqiang , Zhang Liqing , Zhang Jianfu