Masaaki FUJIYOSHI


A Copyright- and Privacy-Protected Image Trading System Using Fingerprinting in Discrete Wavelet Domain with JPEG 2000
Wannida SAE-TANG Shenchuan LIU Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/11/01
Vol. E97-A  No. 11  pp. 2107-2113
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
visually encrypted imagesimage compressionamplitude-only imagephase-only image
 Summary | Full Text:PDF

An Efficient Lossless Compression Method Using Histogram Packing for HDR Images in OpenEXR Format
Taku ODAKA Wannida SAE-TANG Masaaki FUJIYOSHI Hiroyuki KOBAYASHI Masahiro IWAHASHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/11/01
Vol. E97-A  No. 11  pp. 2181-2183
Type of Manuscript:  Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
index transformationcodingsparse histogramPIZZIP
 Summary | Full Text:PDF

An Efficient Compression of Amplitude-Only Images for the Image Trading System
Shenchuan LIU Wannida SAE-TANG Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/02/01
Vol. E97-D  No. 2  pp. 378-379
Type of Manuscript:  LETTER
Category: Image Processing and Video Processing
Keyword: 
digital fingerprintingtrusted third partyrandom phase flippingquantizationJPEG 2000
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A Cheat-Prevention Visual Secret Sharing Scheme with Efficient Pixel Expansion
Shenchuan LIU Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/11/01
Vol. E96-A  No. 11  pp. 2134-2141
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Cryptography and Information Security
Keyword: 
visual cryptographypreventing cheat
 Summary | Full Text:PDF

An Image Trading System Using Amplitude-Only Images for Privacy- and Copyright-Protection
Shenchuan LIU Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/06/01
Vol. E96-A  No. 6  pp. 1245-1252
Type of Manuscript:  Special Section PAPER (Special Section on Circuit, System, and Computer Technologies)
Category: 
Keyword: 
amplitude-only imagesphase-only imagescopyright protectionprivacy protectiondigital fingerprintingdata hiding
 Summary | Full Text:PDF

A Generation Method of Amplitude-Only Images with Low Intensity Ranges
Wannida SAE-TANG Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/06/01
Vol. E96-A  No. 6  pp. 1323-1330
Type of Manuscript:  Special Section PAPER (Special Section on Circuit, System, and Computer Technologies)
Category: 
Keyword: 
random signintensity range reductionquantizationamplitude-only imagecopyright protection
 Summary | Full Text:PDF

A Reversible Image Authentication Method without Memorization of Hiding Parameters
Seungwu HAN Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2572-2579
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
reversible data hidinglossless watermarkingtamper localizationone-way hash function
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An Efficient Reversible Image Authentication Method
Seungwu HAN Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 1907-1914
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing)
Category: 
Keyword: 
integrity verificationone-way hash functionsymmetric cipher algorithmpayload
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DCT Sign-Based Similarity Measure for JPEG Image Retrieval
Fitri ARNIA Ikue IIZUKA Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/09/01
Vol. E90-A  No. 9  pp. 1976-1985
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image similarityDCT coefficients signsimage retrievalJPEGJPEG 2000
 Summary | Full Text:PDF

Lossless Data Hiding in the Spatial Domain for High Quality Images
Hong Lin JIN Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/04/01
Vol. E90-A  No. 4  pp. 771-777
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 19th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
information embeddingwatermarkingimage qualitycapacitypayloaddata hiding
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Encryption of Composite Multimedia Contents for Access Control
Masaaki FUJIYOSHI Shoko IMAIZUMI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 590-596
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia and Mobile Signal Processing)
Category: Image
Keyword: 
multimedia communicationaccess controlcryptographyimage codingInternet
 Summary | Full Text:PDF

Codeblock-Based Error Concealment for JPEG2000 Coded Image Transmission over RTP
Khairul MUNADI Masaaki FUJIYOSHI Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 429-438
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
error concealmentJPEG2000codeblockpacket lossRTP
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Fast Image Identification Methods for JPEG Images with Different Compression Ratios
Fitri ARNIA Ikue IIZUKA Masaaki FUJIYOSHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1585-1593
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
Category: 
Keyword: 
image identificationfast identificationcompression ratioimage database
 Summary | Full Text:PDF

A Method of Guaranteeing Image-Quality for Quantization-Based Watermarking Using a Nonorthogonal Transformation
Masaaki FUJIYOSHI Osamu WATANABE Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/06/01
Vol. E88-A  No. 6  pp. 1434-1442
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2004 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2004))
Category: 
Keyword: 
data hidinginformation embeddingimage-qualityquality guaranteedwatermarking
 Summary | Full Text:PDF

A Data Embedding Method Considering the Finite Word-Length for High Quality Images
Masaaki FUJIYOSHI Takashi TACHIBANA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12  pp. 2830-2838
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spatial domaindirect currentcorrelation-basedblock-basedJPEG
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On the Amount of Embedded Information of Watermarking Methods Based on the Parallel Combinatorial Spread Spectrum Scheme
Masaaki FUJIYOSHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 941-948
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Information and Communications)
Category: 
Keyword: 
digital watermarkPC/SSreal-number sequencemaximum amount of embedded information
 Summary | Full Text:PDF

A Novel Individual Identification System Using a Watermarking Method Based on the Parallel Combinatorial Spread Spectrum Scheme
Masaaki FUJIYOSHI Takaaki HASEGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2129-2137
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
identificationdigital watermarkPC/SSreal number sequenceportrait
 Summary | Full Text:PDF