Image Recapture Prevention Using Secure Display Schemes on Polarized 3D System

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Image recapture is one of the simplest methods of content leakage, but is very difficult to address with the rapid development and dissemination of digital devices. This paper proposes novel secure display schemes to prevent image recapture on a polarized 3D system without additional hardware. Using commercial polarized 3D characteristics, the secret image to be protected from recapturing is encrypted on a pixel-by-pixel basis and decrypted with polarized glasses (PGs). Moreover, the proposed secure display schemes allow for the restricted viewing of secret images that only authorized people may see or the selective viewing of secret images and public images that anyone may see. Quantitative and qualitative analyses of the experimental results show that the proposed schemes can prevent content leakage from recaptured still or time axis images via a digital camera because the secret image is statistically encrypted, similar to random noise. As such, the restricted viewing or the selective viewing is possible depending on the presence of PGs. Therefore, the proposed schemes not only prevent image recapture using digital devices but also implement a secure display using PGs.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-08
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, v.29, no.8, pp.2296 - 2309

ISSN
1051-8215
DOI
10.1109/TCSVT.2018.2866021
URI
http://hdl.handle.net/10203/266061
Appears in Collection
CS-Journal Papers(저널논문)
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