Takahiro YAMAMOTO


A Systematic Methodology for Design and Worst-Case Error Analysis of Approximate Array Multipliers
Takahiro YAMAMOTO Ittetsu TANIGUCHI Hiroyuki TOMIYAMA Shigeru YAMASHITA Yuko HARA-AZUMI 
Publication:   
Publication Date: 2017/07/01
Vol. E100-A  No. 7  pp. 1496-1499
Type of Manuscript:  Special Section LETTER (Special Section on Design Methodologies for System on a Chip)
Category: 
Keyword: 
approximate computingarray multipliersSMT solver
 Summary | Full Text:PDF(1.2MB)

Method of Spread Spectrum Watermarking Using Quantization Index Modulation for Cropped Images
Takahiro YAMAMOTO Masaki KAWAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/07/01
Vol. E98-D  No. 7  pp. 1306-1315
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
digital watermarkingspread spectrum techniquequantization index modulationcroppingJPEG compression
 Summary | Full Text:PDF(620.3KB)

Tailored Optical Frequency Comb Block Generation Using InP-Based Mach-Zehnder Modulator
Takahiro YAMAMOTO Takeaki SAIKAI Eiichi YAMADA Hiroshi YASAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/03/01
Vol. E97-C  No. 3  pp. 222-224
Type of Manuscript:  BRIEF PAPER
Category: Lasers, Quantum Electronics
Keyword: 
optical frequency combsemiconductor optical modulatorMach-Zehnder modulatorsideband generation
 Summary | Full Text:PDF(283.3KB)