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In recent years, there has been an increasing demand for underwater cameras that monitor the condition of offshore structures and check the number of individuals in aqua culture environments with long-period observation. One of the…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Naoki Ide , Tomohiro Kawahara , Hiroshi Ueno , Daiki Yanagidaira , Susumu Takatsuka

We report on a new concept of cloaking objects in diffusive light regime using the paradigm of the scattering cancellation and mantle cloaking techniques. We show numerically that an object can be made completely invisible to diffusive…

While practical realizations of optical invisibility have been achieved so far by various ingenious methods, they generally rely on complex materials which prevent the wide implementation of such schemes. Here, we propose an alternative…

Optics · Physics 2018-12-17 Zeki Hayran , Ramon Herrero , Muriel Botey , Hamza Kurt , Kestutis Staliunas

Visual secrete sharing (VSS) is an encryption technique that utilizes human visual system in the recovering of the secret image and it does not require any complex calculation. Pixel expansion has been a major issue of VSS schemes. A number…

Cryptography and Security · Computer Science 2007-12-28 Dao-Shun Wang , Feng Yi , Xiaobo Li

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…

Creating high-quality and realistic images is now possible thanks to the impressive advancements in image generation. A description in natural language of your desired output is all you need to obtain breathtaking results. However, as the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Giuseppe Cartella , Vittorio Cuculo , Marcella Cornia , Rita Cucchiara

Detecting leaks in water networks is a costly challenge. This article introduces a practical solution: the integration of optical network with water networks for efficient leak detection. Our approach uses a fiber-optic cable to measure…

Systems and Control · Electrical Eng. & Systems 2023-07-31 Huan Wu , Huan-Feng Duan , Wallace W. L. Lai , Kun Zhu , Xin Cheng , Hao Yin , Bin Zhou , Chun-Cheung Lai , Chao Lu , Xiaoli Ding

We present a novel mechanism to construct a covert channel based on page faults. A page fault is an event that occurs when a process or a thread tries to access a page of memory that is not currently mapped to its address space. The kernel…

Operating Systems · Computer Science 2025-09-26 Sathvik Swaminathan

Covert channels is a vital setup in the analysing the strength of security in a network.Covert Channel is illegitimate channelling over the secured channel and establishes a malicious conversation.The trapdoor set in such channels…

Cryptography and Security · Computer Science 2015-06-17 Anjan K , Srinath N K , Jibi Abraham

Modern optical mouse sensors, with their advanced precision and high responsiveness, possess an often overlooked vulnerability: they can be exploited for side-channel attacks. This paper introduces Mic-E-Mouse, the first-ever side-channel…

Cryptography and Security · Computer Science 2025-11-18 Mohamad Fakih , Rahul Dharmaji , Youssef Mahmoud , Halima Bouzidi , Mohammad Abdullah Al Faruque

Photos of faces uploaded online are vulnerable to malicious actors who can scrape facial images from online sources and intrude on personal privacy via unauthorized use of facial recognition models. This paper presents FaceCloak, a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zachary Yahn , Fatih Ilhan , Tiansheng Huang , Selim Tekin , Sihao Hu , Yichang Xu , Margaret Loper , Ling Liu

Preserving privacy is a growing concern in our society where sensors and cameras are ubiquitous. In this work, for the first time, we propose a trainable image acquisition method that removes the sensitive identity revealing information in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Yamin Sepehri , Pedram Pad , Pascal Frossard , L. Andrea Dunbar

Steganography is the science of hiding digital information in such a way that no one can suspect its existence. Unlike cryptography which may arouse suspicions, steganography is a stealthy method that enables data communication in total…

Cryptography and Security · Computer Science 2013-01-01 Youssef Bassil

In addressing physical layer security issues, hardware fingerprinting has been proven to be a reliable method. Additionally, Visible Light Communication (VLC) technology offers a solution to the spectrum congestion in next-generation…

Signal Processing · Electrical Eng. & Systems 2024-04-15 Chen Xuanbang , Liu Ziqi , Zhang Xun , Wang Yuhao , Shi Dayu , Liu Xiaodong

The ever-growing amounts of visual contents captured on a daily basis necessitate the use of lossy compression methods in order to save storage space and transmission bandwidth. While extensive research efforts are devoted to improving…

Image and Video Processing · Electrical Eng. & Systems 2021-03-30 Yuval Bahat , Tomer Michaeli

Many optical measurement techniques, such as light scattering from wavelength-scale particles or detecting motion from a surface with an optical lever, encode information in a complex radiation pattern. Extracting all available information…

Quantum Physics · Physics 2025-12-22 Youssef Tawfik , Shan Hao , Thomas P. Purdy

A growing number of commercial satellite companies provide easily accessible satellite imagery. Overhead imagery is used by numerous industries including agriculture, forestry, natural disaster analysis, and meteorology. Satellite images,…

Image and Video Processing · Electrical Eng. & Systems 2021-05-14 János Horváth , Sriram Baireddy , Hanxiang Hao , Daniel Mas Montserrat , Edward J. Delp

Vision-Language Models (VLMs) combine visual and textual understanding, rendering them well-suited for diverse tasks like generating image captions and answering visual questions across various domains. However, these capabilities are built…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Simone Caldarella , Massimiliano Mancini , Elisa Ricci , Rahaf Aljundi

Privacy protection is a growing concern in the digital era, with machine vision techniques widely used throughout public and private settings. Existing methods address this growing problem by, e.g., encrypting camera images or…

Imaging through scattering media is encountered in many disciplines or sciences, ranging from biology, mesescopic physics and astronomy. But it is still a big challenge because light suffers from multiple scattering is such media and can be…

Neural and Evolutionary Computing · Computer Science 2017-08-29 Meng Lyu , Hao Wang , Guowei Li , Guohai Situ