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Paper Abstract and Keywords
Presentation 2014-07-10 10:10
An image perceptual encryption scheme for JPEG 2000 compression
Akira Uchida, Hitoshi Kiya (Tokyo Metro. Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an image perceptual encryption scheme for JPEG 2000 compression. Perceptual encryption schemes degrade visual information of images in order to make it difficult to recognize. In comparison with encryption schemes based on number theory, perceptual encryption schemes have a high flexibility for the processing. The proposed method generates a visually encrypted image by scrambling the position of discrete wavelet transformed(DWTed) coefficients of an original image or signs of them using a random number. This proposed method performs the visual encryption in consideration of the DWT filter and the size of codeblock used in JPEG 2000 compression previously. Therefore, as compared to conventional perceptual encryptions, the proposed method enables to compress the visually encrypted images effectively. We confirm the effectiveness of the proposed method by the simulation using images.
Keyword (in Japanese) (See Japanese page) 
(in English) Visually encryption / Image compression / Lossy compression / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 124, SIP2014-44, pp. 117-122, July 2014.
Paper # SIP2014-44 
Date of Issue 2014-07-02 (CAS, VLD, SIP, MSS, SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee CAS SIP MSS VLD SIS  
Conference Date 2014-07-09 - 2014-07-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System, signal processing and related topics 
Paper Information
Registration To SIP 
Conference Code 2014-07-CAS-SIP-MSS-VLD-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An image perceptual encryption scheme for JPEG 2000 compression 
Sub Title (in English)  
Keyword(1) Visually encryption  
Keyword(2) Image compression  
Keyword(3) Lossy compression  
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1st Author's Name Akira Uchida  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
2nd Author's Name Hitoshi Kiya  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker
Date Time 2014-07-10 10:10:00 
Presentation Time 20 
Registration for SIP 
Paper # IEICE-CAS2014-23,IEICE-VLD2014-32,IEICE-SIP2014-44,IEICE-MSS2014-23,IEICE-SIS2014-23 
Volume (vol) IEICE-114 
Number (no) no.122(CAS), no.123(VLD), no.124(SIP), no.125(MSS), no.126(SIS) 
Page pp.117-122 
#Pages IEICE-6 
Date of Issue IEICE-CAS-2014-07-02,IEICE-VLD-2014-07-02,IEICE-SIP-2014-07-02,IEICE-MSS-2014-07-02,IEICE-SIS-2014-07-02 


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