Keyword : frequency scramble


A Perfect-Reconstruction Encryption Scheme by Using Periodically Time-Varying Digital Filters
Xuedong YANG Masayuki KAWAMATA Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/01/25
Vol. E81-A  No. 1 ; pp. 192-196
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
perfect-reconstruction encryptionperiodically time-varying digital filtersfrequency scramble
 Summary | Full Text:PDF(296.2KB)

Analysis of Multidimensional Linear Periodically Shift-Variant Digital Filters and Its Application to Secure Communication of Images
Masayuki KAWAMATA Sho MURAKOSHI Tatsuo HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/03/25
Vol. E76-A  No. 3 ; pp. 326-336
Type of Manuscript:  Special Section PAPER (Special Section on the 5th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
digital signal processingmultidimensional digital filterslinear shift-variant systemfrequency scramblesecure communication
 Summary | Full Text:PDF(829KB)