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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhongpai Gao Guangtao Zhai Xiongkuo Min |
| Copyright Year | 2014 |
| Description | Author affiliation: Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., Shanghai, China (Zhongpai Gao; Guangtao Zhai; Xiongkuo Min) |
| Abstract | This paper introduces an information security display system using temporal psychovisual modulation (TPVM). TPVM was proposed as a new information display technology using the interplay of signal processing, optoelectronics and psychophysics. Since the human visual system cannot detect quick temporal changes above the flicker fusion frequency (about 60 Hz) and yet modern display technologies offer much higher refresh rates, there is a chance for a single display to simultaneously serve different contents to multiple observers. A TPVM display broadcasts a set of images called atom frames at a high speed, and those atom frames are then weighted by liquid crystal (LC) shutter based viewing devices that are synchronized with the display before entering the human visual system and fusing into the desired visual stimuli. And through different viewing devices, people can see different information. In this work, we develop a TPVM based information security display prototype. There are two kinds of viewers, those authorized viewers with the viewing devices who can see the secret information and those unauthorized viewers (bystanders) without the viewing devices who only see mask/disguise images. The prototype is built on a 120 Hz LCD screen with synchronized LC shutter glasses that were originally developed for stereoscopic display. The system is written in C++ language with SDKs of Nvidia 3D Vision, DirectX, CEGUI, MuPDF and etc. We also added human-computer interaction support of the system using Kinect. The information security display system developed in this work serves as a proof-of-concept of the TPVM paradigm, as well as a testbed for future research of TPVM technology. |
| Sponsorship | IEEE Circuits Syst. Soc. |
| Starting Page | 449 |
| Ending Page | 452 |
| File Size | 1988572 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781479934324 |
| DOI | 10.1109/ISCAS.2014.6865167 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-01 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Information security Glass Brightness Three-dimensional displays Synchronization Games Electronic publishing |
| Content Type | Text |
| Resource Type | Article |
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