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We propose an image identification scheme for double-compressed encrypted JPEG images that aims to identify encrypted JPEG images that are generated from an original JPEG image. To store images without any visual sensitive information on…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Kenta Iida , Hitoshi Kiya

Protection of faces in pictures and videos of people in connection with sensitive information, activism, abused cases and others on public broadcasting media and social net- works is very important. On social networks like YouTube,facebook,…

密码学与安全 · 计算机科学 2013-07-25 Quist-Aphetsi Kester

This paper proposes a block-permutation-based encryption (BPBE) scheme for the encryption-then-compression (ETC) system that enhances the color scrambling. A BPBE image can be obtained through four processes, positional scrambling, block…

多媒体 · 计算机科学 2020-11-19 Shoko Imaizumi , Hitoshi Kiya

There are five features to consider when using generative adversarial networks to apply makeup to photos of the human face. These features include (1) facial components, (2) interactive color adjustments, (3) makeup variations, (4)…

计算机视觉与模式识别 · 计算机科学 2020-09-25 Daichi Horita , Kiyoharu Aizawa

In this letter, as a proof of concept, we propose a deep learning-based approach to attack the chaos-based image encryption algorithm in \cite{guan2005chaos}. The proposed method first projects the chaos-based encrypted images into the…

机器学习 · 计算机科学 2019-07-30 Chen He , Kan Ming , Yongwei Wang , Z. Jane Wang

Face manipulation methods can be misused to affect an individual's privacy or to spread disinformation. To this end, we introduce a novel data-driven approach that produces image-specific perturbations which are embedded in the original…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Shivangi Aneja , Lev Markhasin , Matthias Niessner

Facial image inpainting is a challenging problem as it requires generating new pixels that include semantic information for masked key components in a face, e.g., eyes and nose. Recently, remarkable methods have been proposed in this field.…

图像与视频处理 · 电气工程与系统科学 2022-02-15 Yahya Dogan , Hacer Yalim Keles

Pre-trained encoders are general-purpose feature extractors that can be used for many downstream tasks. Recent progress in self-supervised learning can pre-train highly effective encoders using a large volume of unlabeled data, leading to…

密码学与安全 · 计算机科学 2022-07-21 Yupei Liu , Jinyuan Jia , Hongbin Liu , Neil Zhenqiang Gong

We present an invert-and-edit framework to automatically transform facial weight of an input face image to look thinner or heavier by leveraging semantic facial attributes encoded in the latent space of Generative Adversarial Networks…

计算机视觉与模式识别 · 计算机科学 2020-11-06 V N S Rama Krishna Pinnimty , Matt Zhao , Palakorn Achananuparp , Ee-Peng Lim

We propose a novel architecture for GAN inversion, which we call Feature-Style encoder. The style encoder is key for the manipulation of the obtained latent codes, while the feature encoder is crucial for optimal image reconstruction. Our…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Xu Yao , Alasdair Newson , Yann Gousseau , Pierre Hellier

StyleGANs have shown impressive results on data generation and manipulation in recent years, thanks to its disentangled style latent space. A lot of efforts have been made in inverting a pretrained generator, where an encoder is trained ad…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Ligong Han , Sri Harsha Musunuri , Martin Renqiang Min , Ruijiang Gao , Yu Tian , Dimitris Metaxas

Conventional covert image communication is assumed to transmit the message, in the securest way possible for a given payload, over lossless channels, and the associated steganographic schemes are generally vulnerable to active attacks,…

多媒体 · 计算机科学 2022-12-07 Qingliang Liu , Jiangqun Ni , Weizhe Zhang , Xiangyang Luo , Jiwu Huang

The latent code of the recent popular model StyleGAN has learned disentangled representations thanks to the multi-layer style-based generator. Embedding a given image back to the latent space of StyleGAN enables wide interesting semantic…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Shanyan Guan , Ying Tai , Bingbing Ni , Feida Zhu , Feiyue Huang , Xiaokang Yang

Face recognition is known to be vulnerable to adversarial face images. Existing works craft face adversarial images by indiscriminately changing a single attribute without being aware of the intrinsic attributes of the images. To this end,…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Yasmeen M. Khedr , Yifeng Xiong , Kun He

Encryption-then-Compression (EtC) systems have been proposed to securely transmit images through an untrusted channel provider. In this study, EtC systems were applied to social media like Twitter that carry out image manipulations. The…

密码学与安全 · 计算机科学 2019-01-30 Tatsuya Chuman , Kenta Iida , Warit Sirichotedumrong , Hitoshi Kiya

Generative adversarial networks (GANs) can synthesize high-quality (HQ) images, and GAN inversion is a technique that discovers how to invert given images back to latent space. While existing methods perform on StyleGAN inversion, they have…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Cheng Yu , Wenmin Wang , Roberto Bugiolacchi

Computed medical imaging systems require a computational reconstruction procedure for image formation. In order to recover a useful estimate of the object to-be-imaged when the recorded measurements are incomplete, prior knowledge about the…

图像与视频处理 · 电气工程与系统科学 2022-02-21 Varun A. Kelkar , Mark A. Anastasio

Facial Image inpainting aim is to restore the missing or corrupted regions in face images while preserving identity, structural consistency and photorealistic image quality, a task specifically created for photo restoration. Though there…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Abhigyan Bhattacharya , Hiranmoy Roy , Debotosh Bhattacharjee

StyleGAN is a state-of-art generative adversarial network architecture that generates random 2D high-quality synthetic facial data samples. In this paper, we recap the StyleGAN architecture and training methodology and present our…

神经与进化计算 · 计算机科学 2020-03-25 Viktor Varkarakis , Shabab Bazrafkan , Peter Corcoran

Generative models can reconstruct face images from encoded representations (templates) bearing remarkable likeness to the original face, raising security and privacy concerns. We present \textsc{FaceCloak}, a neural network framework that…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Sudipta Banerjee , Anubhav Jain , Chinmay Hegde , Nasir Memon