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Communication channel established from a display to a device's camera is known as visual channel, and it is helpful in securing key exchange protocol. In this paper, we study how visual channel can be exploited by a network terminal and…

Cryptography and Security · Computer Science 2010-07-09 Chengfang Fang , Ee-Chien Chang

Communication enables the expansion of human visual perception beyond the limitations of time and distance, while computational imaging overcomes the constraints of depth and breadth. Although impressive achievements have been witnessed…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Zhenming Yu , Liming Cheng , Hongyu Huang , Wei Zhang , Liang Lin , Kun Xu

Recent advancements in large generative models, particularly diffusion-based methods, have significantly enhanced the capabilities of image editing. However, achieving precise control over image composition tasks remains a challenge.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Jinrui Yang , Qing Liu , Yijun Li , Soo Ye Kim , Daniil Pakhomov , Mengwei Ren , Jianming Zhang , Zhe Lin , Cihang Xie , Yuyin Zhou

Non-Display Smart Glasses hold the potential to support everyday activities by combining continuous environmental sensing with voice-only interaction powered by large language models (LLMs). Understanding how conversational successes and…

Human-Computer Interaction · Computer Science 2026-04-03 Xiuqi Tommy Zhu , Xiaoan Liu , Casper Harteveld , Smit Desai , Eileen McGivney

Interactive perception enables robots to manipulate the environment and objects to bring them into states that benefit the perception process. Deformable objects pose challenges to this due to significant manipulation difficulty and…

Mobile phones have developed into complex platforms with large numbers of installed applications and a wide range of sensitive data. Application security policies limit the permissions of each installed application. As applications may…

Cryptography and Security · Computer Science 2012-05-01 Steffen Bartsch , Karsten Sohr , Michaela Bunke , Oliver Hofrichter , Bernhard Berger

Human vision is often adversely affected by complex environmental factors, especially in night vision scenarios. Thus, infrared cameras are often leveraged to help enhance the visual effects via detecting infrared radiation in the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Shuang Li , Bingfeng Han , Zhenjie Yu , Chi Harold Liu , Kai Chen , Shuigen Wang

Telecommunications and computer vision have evolved separately so far. Yet, with the shift to sub-terahertz (sub-THz) and terahertz (THz) radio communications, there is an opportunity to explore computer vision technologies together with…

Networking and Internet Architecture · Computer Science 2024-04-15 Filipe B. Teixeira , Manuel Ricardo , André Coelho , Hélder P. Oliveira , Paula Viana , Nuno Paulino , Helder Fontes , Paulo Marques , Rui Campos , Luis M. Pessoa

These days mobile devices like phones or tablets are very common among people of all age. They are connected with network and provide seamless communications through internet or cellular services. These devices can be a big help for the…

Human-Computer Interaction · Computer Science 2015-03-13 Jagdish L. Raheja , A. Singhal , A. Chaudhary

Smartphones are a crucial aspect of routine life in the modern world, and viewing information graphics such as charts becomes common practice for many unassuming tasks. However, for the vision impaired, accessing graphical material presents…

Human-Computer Interaction · Computer Science 2021-09-28 Ishan Amarkumar Joshi

As communication systems transition from symbol transmission to conveying meaningful information, sixth-generation (6G) networks emphasize semantic communication. This approach prioritizes high-level semantic information, improving…

Signal Processing · Electrical Eng. & Systems 2025-01-27 Zhe Xiang , Fei Yu , Quan Deng , Yuandi Li , Zhiguo Wan

In the evolving landscape of 6G networks, semantic communications are poised to revolutionize data transmission by prioritizing the transmission of semantic meaning over raw data accuracy. This paper presents a Vision Transformer…

Image and Video Processing · Electrical Eng. & Systems 2025-03-24 Muhammad Ahmed Mohsin , Muhammad Jazib , Zeeshan Alam , Muhmmad Farhan Khan , Muhammad Saad , Muhammad Ali Jamshed

With the versatile manipulation capability, programmable metasurfaces are rapidly advancing in their intelligence, integration, and commercialization levels. However, as the programmable metasurfaces scale up, their control configuration…

Intelligent surfaces that reshape electromagnetic waves are regarded as disruptive technologies for wireless networks. However, existing designs sit at two costly extremes: dynamic reconfigurable intelligent surfaces (RISs) offer fine beam…

Signal Processing · Electrical Eng. & Systems 2025-11-24 Ziyuan Zheng , Qingqing Wu , Wen Chen , Weiren Zhu , Ying Gao

In this paper, we introduce the new concept of Crowd-Detectable Zero-Energy-Devices. Such devices harvest solar or ambient light energy to power themselves, backscatter ambient waves to communicate, and are detected simultaneously by a…

Signal Processing · Electrical Eng. & Systems 2021-10-13 D. -T. Phan-Huy , D. Barthel , P. Ratajczak , R. Fara , M. di Renzo , J. de Rosny

For many applications, a method for controlling the optical properties of a solid-state film over a broad wavelength range is highly desirable and could have significant commercial impact. One such application is smart glazing technology…

In cinema, large camera lenses create beautiful shallow depth of field (DOF), but make focusing difficult and expensive. Accurate cinema focus usually relies on a script and a person to control focus in realtime. Casual videographers often…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Xuaner Zhang , Kevin Matzen , Vivien Nguyen , Dillon Yao , You Zhang , Ren Ng

Autonomous and self-driving vehicles are appearing on the public highways. These vehicles commonly use wireless communication techniques for both vehicle-to-vehicle and vehicle-to-infrastructure communications. Manufacturers, regulators and…

Cryptography and Security · Computer Science 2017-04-11 Sean Rowan , Michael Clear , Mario Gerla , Meriel Huggard , Ciarán Mc Goldrick

Communication anonymity is a key requirement for individuals under targeted surveillance. Practical anonymous communications also require indistinguishability - an adversary should be unable to distinguish between anonymised and…

Cryptography and Security · Computer Science 2014-08-07 Joseph Gardiner , Shishir Nagaraja

Today, video cameras are deployed in dense for monitoring physical places e.g., city, industrial, or agricultural sites. In the current systems, each camera node sends its feed to a cloud server individually. However, this approach suffers…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Hannaneh Barahouei Pasandi , Tamer Nadeem