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Fingerprint alteration, also referred to as obfuscation presentation attack, is to intentionally tamper or damage the real friction ridge patterns to avoid identification by an AFIS. This paper proposes a method for detection and…

计算机视觉与模式识别 · 计算机科学 2018-09-20 Elham Tabassi , Tarang Chugh , Debayan Deb , Anil K. Jain

Image clustering has recently attracted significant attention due to the increased availability of unlabelled datasets. The efficiency of traditional clustering algorithms heavily depends on the distance functions used and the…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

Using machine learning models to generate synthetic data has become common in many fields. Technology to generate synthetic transactions that can be used to detect fraud is also growing fast. Generally, this synthetic data contains only…

机器学习 · 计算机科学 2023-06-30 Shuo Wang , Terrence Tricco , Xianta Jiang , Charles Robertson , John Hawkin

In recent years, image classification, as a core task in computer vision, relies on high-quality labelled data, which restricts the wide application of deep learning models in practical scenarios. To alleviate the problem of insufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jiyu Hu , Haijiang Zeng , Zhen Tian

The progress in generative models, particularly Generative Adversarial Networks (GANs), opened new possibilities for image generation but raised concerns about potential malicious uses, especially in sensitive areas like medical imaging.…

图像与视频处理 · 电气工程与系统科学 2024-10-07 Giovanni Pasqualino , Luca Guarnera , Alessandro Ortis , Sebastiano Battiato

The availability of large-scale facial databases, together with the remarkable progresses of deep learning technologies, in particular Generative Adversarial Networks (GANs), have led to the generation of extremely realistic fake facial…

计算机视觉与模式识别 · 计算机科学 2023-07-19 João C. Neves , Ruben Tolosana , Ruben Vera-Rodriguez , Vasco Lopes , Hugo Proença , Julian Fierrez

Splice detection models are the need of the hour since splice manipulations can be used to mislead, spread rumors and create disharmony in society. However, there is a severe lack of image splicing datasets, which restricts the capabilities…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Ankit Yadav , Dinesh Kumar Vishwakarma

Face swapping technology used to create "Deepfakes" has advanced significantly over the past few years and now enables us to create realistic facial manipulations. Current deep learning algorithms to detect deepfakes have shown promising…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Anubhav Jain , Nasir Memon , Julian Togelius

Deep neural networks have been shown to exhibit an intriguing vulnerability to adversarial input images corrupted with imperceptible perturbations. However, the majority of adversarial attacks assume global, fine-grained control over the…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Ameya Joshi , Amitangshu Mukherjee , Soumik Sarkar , Chinmay Hegde

Deepfakes represent one of the toughest challenges in the world of Cybersecurity and Digital Forensics, especially considering the high-quality results obtained with recent generative AI-based solutions. Almost all generative models leave…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Orazio Pontorno , Luca Guarnera , Sebastiano Battiato

Using printed photograph and replaying videos of biometric modalities, such as iris, fingerprint and face, are common attacks to fool the recognition systems for granting access as the genuine user. With the growing online person-to-person…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Joel Stehouwer , Amin Jourabloo , Yaojie Liu , Xiaoming Liu

While deep neural networks have achieved great success in graph analysis, recent work has shown that they are vulnerable to adversarial attacks. Compared with adversarial attacks on image classification, performing adversarial attacks on…

机器学习 · 计算机科学 2022-07-26 Zhengyi Wang , Zhongkai Hao , Ziqiao Wang , Hang Su , Jun Zhu

The generation of high-quality images has become widely accessible and is a rapidly evolving process. As a result, anyone can generate images that are indistinguishable from real ones. This leads to a wide range of applications, including…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Sergey Sinitsa , Ohad Fried

With the rise in popularity of machine and deep learning models, there is an increased focus on their vulnerability to malicious inputs. These adversarial examples drift model predictions away from the original intent of the network and are…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Richard Tran , David Patrick , Michael Geyer , Amanda Fernandez

DeepFake involves the use of deep learning and artificial intelligence techniques to produce or change video and image contents typically generated by GANs. Moreover, it can be misused and leads to fictitious news, ethical and financial…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Mahsa Soleimani , Ali Nazari , Mohsen Ebrahimi Moghaddam

Supervised deep learning algorithms have enabled significant performance gains in medical image classification tasks. But these methods rely on large labeled datasets that require resource-intensive expert annotation. Semi-supervised…

Generative adversary networks (GANs) have recently led to highly realistic image synthesis results. In this work, we describe a new method to expose GAN-synthesized images using the locations of the facial landmark points. Our method is…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Xin Yang , Yuezun Li , Honggang Qi , Siwei Lyu

Adversarial patch attacks pose a significant threat to the practical deployment of deep learning systems. However, existing research primarily focuses on image pre-processing defenses, which often result in reduced classification accuracy…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Nandish Chattopadhyay , Amira Guesmi , Muhammad Shafique

Recent Image-to-Image Translation algorithms have achieved significant progress in neural style transfer and image attribute manipulation tasks. However, existing approaches require exhaustively labelling training data, which is labor…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Jichao Zhang , Yezhi Shu , Songhua Xu , Gongze Cao , Fan Zhong , Meng Liu , Xueying Qin

Advances in photo editing and manipulation tools have made it significantly easier to create fake imagery. Learning to detect such manipulations, however, remains a challenging problem due to the lack of sufficient amounts of manipulated…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Minyoung Huh , Andrew Liu , Andrew Owens , Alexei A. Efros