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Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

The widespread adoption of face recognition has led to increasing privacy concerns, as unauthorized access to face images can expose sensitive personal information. This paper explores face image protection against viewing and recovery…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yuxi Mi , Zhizhou Zhong , Yuge Huang , Jiazhen Ji , Jianqing Xu , Jun Wang , Shaoming Wang , Shouhong Ding , Shuigeng Zhou

Recently, Lu et al. have proposed two image search schemes based on additive homomorphic encryption [IEEE Access, 2 (2014), 125-141]. We remark that both two schemes are flawed because: (1) the first scheme does not make use of the additive…

Cryptography and Security · Computer Science 2016-01-07 Zhengjun Cao , Lihua Liu

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…

Cryptography and Security · Computer Science 2019-01-30 Tatsuya Chuman , Kenta Iida , Warit Sirichotedumrong , Hitoshi Kiya

Recently, an image encryption algorithm using block-based scrambling and image filtering has been proposed by Hua et al. In this paper, we analyze the security problems of the encryption algorithm in detail and break the encryption by a…

Cryptography and Security · Computer Science 2019-01-01 Feng Yu , Xinhui Gong , Hanpeng Li , Xiaohong Zhao

We propose a novel image transformation scheme using generative adversarial networks (GANs) for privacy-preserving deep neural networks (DNNs). The proposed scheme enables us not only to apply images without visual information to DNNs, but…

Cryptography and Security · Computer Science 2020-06-03 Warit Sirichotedumrong , Hitoshi Kiya

In this paper, a privacy preserving image classification method is proposed under the use of ConvMixer models. To protect the visual information of test images, a test image is divided into blocks, and then every block is encrypted by using…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Rei Aso , Tatsuya Chuman , Hitoshi Kiya

In this paper, we propose a lossless data hiding scheme in JPEG images. After quantified DCT transform, coefficients have characteristics that distribution in high frequencies is relatively sparse and absolute values are small. To improve…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Mingming Zhang , Quan Zhou , Yanlang Hu

Reversible data hiding in encrypted images (RDH-EI) has attracted increasing attention, since it can protect the privacy of original images while the embedded data can be exactly extracted. Recently, some RDH-EI schemes with multiple data…

Cryptography and Security · Computer Science 2021-06-29 Zhongyun Hua , Yanxiang Wang , Shuang Yi , Yicong Zhou , Xiaohua Jia

This paper proposes to study the impact of image selective encryption on both forensics and privacy preserving mechanisms. The proposed selective encryption scheme works independently on each bitplane by encrypting the s most significant…

Cryptography and Security · Computer Science 2021-03-08 Pauline Puteaux , Vincent Itier , Patrick Bas

Image classification is an enthusiastic research field where large amount of image data is classified into various classes based on their visual contents. Researchers have presented various low-level features-based techniques for…

Multimedia · Computer Science 2015-10-09 Khan Muhammad , Irfan Mehmood , Mi Young Lee , Su Mi Ji , Sung Wook Baik

Deep learning-based methods have garnered significant attention in remote sensing (RS) image compression due to their superior performance. Most of these methods focus on enhancing the coding capability of the compression network and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Junhui Li , Xingsong Hou

Fully homomorphic encryption has allowed devices to outsource computation to third parties while preserving the secrecy of the data being computed on. Many images contain sensitive information and are commonly sent to cloud services to…

Cryptography and Security · Computer Science 2018-10-09 William Fu , Raymond Lin , Daniel Inge

Massive human-related data is collected to train neural networks for computer vision tasks. A major conflict is exposed relating to software engineers between better developing AI systems and distancing from the sensitive training data. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Fusheng Hao , Fengxiang He , Yikai Wang , Fuxiang Wu , Jing Zhang , Jun Cheng , Dacheng Tao

A secure and reliable image encryption scheme is presented in this study. The encryption scheme hereby introduces a novel chaotic log-map, deep convolution neural network (CNN) model for key generation, and bit reversion operation for the…

Information Theory · Computer Science 2022-02-01 Uğur Erkan , Abdurrahim Toktas , Serdar Enginoğlu , Enver Karabacak , Dang N. H. Thanh

Inference centers need more data to have a more comprehensive and beneficial learning model, and for this purpose, they need to collect data from data providers. On the other hand, data providers are cautious about delivering their datasets…

Machine Learning · Computer Science 2023-04-10 Mohammad Ali Jamshidi , Hadi Veisi , Mohammad Mahdi Mojahedian , Mohammad Reza Aref

High-resolution cameras produce huge volume of high quality images everyday. It is extremely challenging to store, share and especially search those huge images, for which increasing number of cloud services are presented to support such…

Cryptography and Security · Computer Science 2014-10-27 Lan Zhang , Taeho Jung , Puchun Feng , Xiang-Yang Li , Yunhao Liu

Image compression is a widely used technique to reduce the spatial redundancy in images. Recently, learning based image compression has achieved significant progress by using the powerful representation ability from neural networks.…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Jiaheng Liu , Guo Lu , Zhihao Hu , Dong Xu

Currently, cryptography is in wide use as it is being exploited in various domains from data confidentiality to data integrity and message authentication. Basically, cryptography shuffles data so that they become unreadable by unauthorized…

Cryptography and Security · Computer Science 2012-12-11 Youssef Bassil

Content-Based Image Retrieval (CBIR) techniques have been widely researched and in service with the help of cloud computing like Google Images. However, the images always contain rich sensitive information. In this case, the privacy…

Cryptography and Security · Computer Science 2020-10-01 Qi Gu , Zhihua Xia , Xingming Sun