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Video privacy leakage is becoming an increasingly severe public problem, especially in cloud-based video surveillance systems. It leads to the new need for secure cloud-based video applications, where the video is encrypted for privacy…

图像与视频处理 · 电气工程与系统科学 2021-08-31 Xianhao Tian , Peijia Zheng , Jiwu Huang

The Encrypted File System (EFS) pushes encryption services into the file system itself. EFS supports secure storage at the system level through a standard UNIX file system interface to encrypted files. User can associate a cryptographic key…

密码学与安全 · 计算机科学 2009-08-06 Dr. Shishir Kumar , U. S. Rawat , Sameer Kumar Jasra , Akshay Kumar Jain

Authentication and encryption are traditionally treated as two separate processes in wireless networks, this paper integrates user authentication into the process of solving eavesdropping attacks. A compressed sensing (CS)-based framework…

密码学与安全 · 计算机科学 2020-12-18 Chaoqing Tang

In this thesis, a multimodal biometric, secure encrypted data and encrypted biometric encoded into the QR code-based biometric-passport authentication method is proposed for national security applications. Firstly, using the Extended…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Ziaul Haque Choudhury

This article presents an overview of image transformation with a secret key and its applications. Image transformation with a secret key enables us not only to protect visual information on plain images but also to embed unique features…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Hitoshi Kiya , AprilPyone MaungMaung , Yuma Kinoshita , Shoko Imaizumi , Sayaka Shiota

To make medical datasets accessible without sharing sensitive patient information, we introduce a novel end-to-end approach for generative de-identification of dynamic medical imaging data. Until now, generative methods have faced…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Hadrien Reynaud , Qingjie Meng , Mischa Dombrowski , Arijit Ghosh , Thomas Day , Alberto Gomez , Paul Leeson , Bernhard Kainz

Labelled image datasets have played a critical role in high-level image understanding. However, the process of manual labelling is both time-consuming and labor intensive. To reduce the cost of manual labelling, there has been increased…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Yazhou Yao , Jian Zhang , Fumin Shen , Xiansheng Hua , Jingsong Xu , Zhenmin Tang

In the era of data-driven decision-making, ensuring the privacy and security of shared data is paramount across various domains. Applying existing deep neural networks (DNNs) to encrypted data is critical and often compromises performance,…

密码学与安全 · 计算机科学 2025-01-28 Al Amin , Kamrul Hasan , Sharif Ullah , Liang Hong

In the rapidly evolving landscape of cybersecurity threats, ransomware represents a significant challenge. Attackers increasingly employ sophisticated encryption methods, such as entropy reduction through Base64 encoding, and partial or…

密码学与安全 · 计算机科学 2025-04-30 Arash Mahboubi , Hamed Aboutorab , Seyit Camtepe , Hang Thanh Bui , Khanh Luong , Keyvan Ansari , Shenlu Wang , Bazara Barry

A large amount of data and applications are migrated by researchers, stakeholders, academia, and business organizations to the cloud environment due to its large variety of services, which involve the least maintenance cost, maximum…

密码学与安全 · 计算机科学 2023-06-16 Rishabh Gupta , Deepika Saxena , Ashutosh Kumar Singh

This paper aims to evaluate the safety of a pixel-based image encryption method, which has been proposed to apply images with no visual information to deep neural networks (DNN), in terms of robustness against ciphertext-only attacks (COA).…

密码学与安全 · 计算机科学 2019-12-11 Warit Sirichotedumrong , Yuma Kinoshita , Hitoshi Kiya

Various visual information protection methods have been proposed for privacy-preserving deep neural networks (DNNs). In contrast, attack methods on such protection methods have been studied simultaneously. In this paper, we evaluate…

密码学与安全 · 计算机科学 2020-10-14 Warit Sirichotedumrong , Hitoshi Kiya

This paper describes the implementation of a system to recognize employees and visitors wanting to gain access to a physical office through face images and speech-to-text recognition. The system helps employees to unlock the entrance door…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Nathalie Tkauc , Thao Tran , Kevin Hernandez-Diaz , Fernando Alonso-Fernandez

Cloud computing is a trending technology in the field of Information Technology as it allows sharing of resources over a network. The reason Cloud computing gained traction so rapidly was because of its performance, availability and low…

密码学与安全 · 计算机科学 2014-04-08 Sagar Tirodkar , Yazad Baldawala , Sagar Ulane , Ashok Jori

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

Privacy-preserving deep neural networks (DNNs) have been proposed for protecting data privacy in the cloud server. Although several encryption schemes for visually protection have been proposed for privacy-preserving DNNs, several attacks…

密码学与安全 · 计算机科学 2022-11-11 Tatsuya Chuman , Hitoshi Kiya

With the enormous usage of digital media in almost every sphere from education to entertainment, the security of sensitive information has been a concern. As images are the most frequently used means to convey information, therefore the…

密码学与安全 · 计算机科学 2022-10-05 Gurpreet Kaur , Rekha Agarwal , Vinod Patidar

Data hiding is one widely used approach for protecting authentication and ownership. Most multimedia content like images and videos are transmitted or saved in the compressed form. This kind of lossy compression, such as JPEG, can destroy…

图像与视频处理 · 电气工程与系统科学 2021-01-05 Chaoning Zhang , Adil Karjauv , Philipp Benz , In So Kweon

Large-scale image datasets frequently contain identifiable or sensitive content, raising privacy risks when training models that may memorize and leak such information. We present Unsafe2Safe, a fully automated pipeline that detects…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Mih Dinh , SouYoung Jin

Encryption and Decryption is the process of sending a message in a ciphered way that appears meaningless and could be deciphered using a key for security purposes to avoid data breaches. This paper expands on the previous work on…

密码学与安全 · 计算机科学 2026-01-16 Mithil Bavishi , Anuj Bohra , Kushal Vadodaria , Abhinav Bohra , Neha Katre , Ramchandra Mangrulkar , Vinaya Sawant