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The security of bio-metric information - finger print, retina mapping, DNA mapping and some other chemical and biological modified genes related information - transfer through low bandwidth and unreliable or covert channel is challenging…

Cryptography and Security · Computer Science 2011-03-18 Raju Singh , A. K. Vatsa

Polarization imaging captures the polarization state of light, revealing information invisible to the human eye yet valuable in domains such as biomedical diagnostics, autonomous driving, and remote sensing. However, conventional…

Image and Video Processing · Electrical Eng. & Systems 2026-03-31 Noa Kraicer , Erez Yosef , Raja Giryes

Digital Photo images are everywhere around us in journals, on walls, and over the Internet. However we have to be conscious that seeing does not always imply reality. Photo images become a rich subject of manipulations due to the advanced…

Cryptography and Security · Computer Science 2021-10-19 Ahmad M. Nagm , Mohamed Torky , Khaled Y. Youssef

Motivated by an increasing need for privacy-preserving voice communications, we investigate here the original idea of sending encrypted data and speech in the form of pseudo-speech signals in the audio domain. Being less constrained than…

Cryptography and Security · Computer Science 2022-11-15 Piotr Krasnowski , Jerome Lebrun , Bruno Martin

The emerging Internet of Things (IoTs) invokes increasing security demands that require robust encryption or anti-counterfeiting technologies. Albeit being acknowledged as efficacious solutions in processing elaborate graphical information…

With the deepening trend of paperless workflows, signatures as a means of identity authentication are gradually shifting from traditional ink-on-paper to electronic formats.Despite the availability of dynamic pressure-sensitive and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 RuiQiang Zhang , Zehua Ma , Guanjie Wang , Chang Liu , Hengyi Wang , Weiming Zhang

Wireless communications empowered by Reconfigurable Intelligent (meta)Surfaces (RISs) are recently gaining remarkable research attention due to the increased system design flexibility offered by RISs for diverse functionalities. In this…

Information Theory · Computer Science 2020-11-03 George C. Alexandropoulos , Konstantinos Katsanos , Miaowen Wen , Daniel B. da Costa

Face verification is a fast-growing authentication tool for everyday systems, such as smartphones. While current 2D face recognition methods are very accurate, it has been suggested recently that one may wish to add a 3D sensor to such…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Dana Weitzner , David Mendlovic , Raja Giryes

Medical image classification plays a crucial role in computer-aided clinical diagnosis. While deep learning techniques have significantly enhanced efficiency and reduced costs, the privacy-sensitive nature of medical imaging data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Sufen Ren , Yule Hu , Shengchao Chen , Guanjun Wang

Recent deep learning-based methods for lossy image compression achieve competitive rate-distortion performance through extensive end-to-end training and advanced architectures. However, emerging applications increasingly prioritize semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Ruiqi Shen , Haotian Wu , Wenjing Zhang , Jiangjing Hu , Deniz Gunduz

Wireless networks are a common place nowadays and almost all of the modern devices support wireless communication in some form. These networks differ from more traditional computing systems due to the ad-hoc and spontaneous nature of…

Networking and Internet Architecture · Computer Science 2010-07-15 Yasir Arfat Malkani , Lachhman Das Dhomeja

Local Differential Privacy (LDP) is the gold standard trust model for privacy-preserving machine learning by guaranteeing privacy at the data source. However, its application to image data has long been considered impractical due to the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuanming Cao , Chengqi Li , Wenbo He

This paper introduces a new lightweight method for image recognition. ImageSig is based on computing signatures and does not require a convolutional structure or an attention-based encoder. It is striking to the authors that it achieves: a)…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Mohamed R. Ibrahim , Terry Lyons

In todays digital world, protecting sensitive data is very essential. Steganography hides the existence of secret data instead of its content, providing better security for multimedia communication. This paper proposes a new technique for…

Cryptography and Security · Computer Science 2025-12-10 Aman Kumar , Ankit Chaudhary

Lensless cameras provide a framework to build thin imaging systems by replacing the lens in a conventional camera with an amplitude or phase mask near the sensor. Existing methods for lensless imaging can recover the depth and intensity of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-19 Yucheng Zheng , Yi Hua , Aswin C. Sankaranarayanan , M. Salman Asif

The improved semantic understanding of vision-language pretrained (VLP) models has made it increasingly difficult to protect publicly posted images from being exploited by search engines and other similar tools. In this context, this paper…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Xuelin Shen , Jiayin Xu , Kangsheng Yin , Wenhan Yang

Data breaches-mass leakage of stored information-are a major security concern. Encryption can provide confidentiality, but encryption depends on a key which, if compromised, allows the attacker to decrypt everything, effectively instantly.…

Cryptography and Security · Computer Science 2020-10-15 Moe Sabry , Reza Samavi , Douglas Stebila

Secure data hiding remains a fundamental challenge in digital communication, requiring a careful balance between computational efficiency and perceptual transparency. The balance between security and performance is increasingly fragile with…

Cryptography and Security · Computer Science 2025-11-11 Biswajit Kumar Sahoo , Pedro Machado , Isibor Kennedy Ihianle , Andreas Oikonomou , Srinivas Boppu

In Masked Image Modeling (MIM), two primary methods exist: Pixel MIM and Latent MIM, each utilizing different reconstruction targets, raw pixels and latent representations, respectively. Pixel MIM tends to capture low-level visual details…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Junmyeong Lee , Eui Jun Hwang , Sukmin Cho , Jong C. Park

Cloud-assisted image services are widely used for various applications. Due to the high computational complexity of existing image encryption technology, it is extremely challenging to provide privacy preserving image services for…

Cryptography and Security · Computer Science 2014-12-19 Xuangou Wu , Shaojie Tang , Panlong Yang