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Despite significant improvements on the image generation performance of Generative Adversarial Networks (GANs), generations with low visual fidelity still have been observed. As widely used metrics for GANs focus more on the overall…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Haedong Jeong , Jiyeon Han , Jaesik Choi

Ubiquitous anomalies endanger the security of our system constantly. They may bring irreversible damages to the system and cause leakage of privacy. Thus, it is of vital importance to promptly detect these anomalies. Traditional supervised…

机器学习 · 计算机科学 2019-07-25 Hongyu Chen , Li Jiang

Studies show that Deep Neural Network (DNN)-based image classification models are vulnerable to maliciously constructed adversarial examples. However, little effort has been made to investigate how DNN-based image retrieval models are…

计算机视觉与模式识别 · 计算机科学 2019-07-15 Guoping Zhao , Mingyu Zhang , Jiajun Liu , Ji-Rong Wen

As social media continues to grow rapidly, the prevalence of harassment on these platforms has also increased. This has piqued the interest of researchers in the field of fake detection. Social media data, often forms complex graphs with…

机器学习 · 计算机科学 2025-02-11 Jinus Bordbar , Saman Ardalan , Mohammadreza Mohammadrezaie , Zahra Ghasemi

Deepfakes, created using advanced AI techniques such as Variational Autoencoder and Generative Adversarial Networks, have evolved from research and entertainment applications into tools for malicious activities, posing significant threats…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Yamini Sri Krubha , Aryana Hou , Braden Vester , Web Walker , Xin Wang , Li Lin , Shu Hu

Recent advances in generative adversarial networks (GANs) have opened up the possibility of generating high-resolution photo-realistic images that were impossible to produce previously. The ability of GANs to sample from high-dimensional…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Arthur Conmy , Subhadip Mukherjee , Carola-Bibiane Schönlieb

This paper presents a novel multi-fake evolutionary generative adversarial network(MFEGAN) for handling imbalance hyperspectral image classification. It is an end-to-end approach in which different generative objective losses are considered…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Tanmoy Dam , Nidhi Swami , Sreenatha G. Anavatti , Hussein A. Abbass

Mobile Crowdsensing systems are vulnerable to various attacks as they build on non-dedicated and ubiquitous properties. Machine learning (ML)-based approaches are widely investigated to build attack detection systems and ensure MCS systems…

密码学与安全 · 计算机科学 2022-02-17 Zhiyan Chen , Burak Kantarci

Generative Adversarial Networks (GANs) were intuitively and attractively explained under the perspective of game theory, wherein two involving parties are a discriminator and a generator. In this game, the task of the discriminator is to…

机器学习 · 计算机科学 2017-11-07 Trung Le , Tu Dinh Nguyen , Dinh Phung

The rapid advancement of generative artificial intelligence has enabled the creation of highly realistic fake facial images, posing serious threats to personal privacy and the integrity of online information. Existing deepfake detection…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Huanhuan Yuan , Yang Ping , Zhengqin Xu , Junyi Cao , Shuai Jia , Chao Ma

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…

图形学 · 计算机科学 2025-09-24 Ayan Sar , Sampurna Roy , Tanupriya Choudhury , Ajith Abraham

The proliferation of AI-generated imagery poses escalating challenges for multimedia forensics, yet many existing detectors depend on assumptions about the internals of specific generative models, limiting their cross-model applicability.…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Nan Zhong , Mian Zou , Yiran Xu , Zhenxing Qian , Xinpeng Zhang , Baoyuan Wu , Kede Ma

Image generation has rapidly evolved in recent years. Modern architectures for adversarial training allow to generate even high resolution images with remarkable quality. At the same time, more and more effort is dedicated towards…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Amrutha Saseendran , Kathrin Skubch , Margret Keuper

Few-shot image generation aims to generate images of high quality and great diversity with limited data. However, it is difficult for modern GANs to avoid overfitting when trained on only a few images. The discriminator can easily remember…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

Generative adversarial networks (GANs) have demonstrated great success in generating various visual content. However, images generated by existing GANs are often of attributes (e.g., smiling expression) learned from one image domain. As a…

计算机视觉与模式识别 · 计算机科学 2019-10-04 Zehui Yao , Boyan Zhang , Zhiyong Wang , Wanli Ouyang , Dong Xu , Dagan Feng

Generative adversarial networks (GANs) have shown tremendous promise in learning to generate data and effective at aiding semi-supervised classification. However, to this point, semi-supervised GAN methods make the assumption that the…

机器学习 · 计算机科学 2024-10-28 Ronald Fick , Paul Gader , Alina Zare

Despite the remarkable empirical successes of Generative Adversarial Networks (GANs), the theoretical guarantees for their statistical accuracy remain rather pessimistic. In particular, the data distributions on which GANs are applied, such…

机器学习 · 统计学 2025-07-17 Saptarshi Chakraborty , Peter L. Bartlett

With the rapid advancement of generative models, the realism of AI-generated images has significantly improved, posing critical challenges for verifying digital content authenticity. Current deepfake detection methods often depend on…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Jiarui Wang , Huiyu Duan , Juntong Wang , Ziheng Jia , Woo Yi Yang , Xiaorong Zhu , Yu Zhao , Jiaying Qian , Yuke Xing , Guangtao Zhai , Xiongkuo Min

Allowing effective inference of latent vectors while training GANs can greatly increase their applicability in various downstream tasks. Recent approaches, such as ALI and BiGAN frameworks, develop methods of inference of latent variables…

机器学习 · 计算机科学 2020-12-22 Yatin Dandi , Homanga Bharadhwaj , Abhishek Kumar , Piyush Rai

We present a novel deep generative semi-supervised framework for credit card fraud detection, formulated as time series classification task. As financial transaction data streams grow in scale and complexity, traditional methods often…

机器学习 · 统计学 2026-05-13 David Hirnschall