Tsuyoshi YAMAMOTO


Evaluation of Device Parameters for Membrane Lasers on Si Fabricated with Active-Layer Bonding Followed by Epitaxial Growth
Takuro FUJII Koji TAKEDA Erina KANNO Koichi HASEBE Hidetaka NISHI Tsuyoshi YAMAMOTO Takaaki KAKITSUKA Shinji MATSUO 
Publication:   
Publication Date: 2017/02/01
Vol. E100-C  No. 2  pp. 196-203
Type of Manuscript:  Special Section PAPER (Special Section on Fabrication Technologies Supporting the Photonic/Nanostructure Devices)
Category: 
Keyword: 
epitaxial growthdirect bondingmembrane laserssilicon photonics
 Summary | Full Text:PDF(1.9MB)

Controlling the Simulation of Cumuliform Clouds Based on Fluid Dynamics
Tatsuki KAWAGUCHI Yoshinori DOBASHI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/11/01
Vol. E98-D  No. 11  pp. 2034-2037
Type of Manuscript:  LETTER
Category: Computer Graphics
Keyword: 
cloudfluid simulationcontrolcomputer graphics
 Summary | Full Text:PDF(4.6MB)

Efficient Hair Rendering under Dynamic, Low-Frequency Environmental Light Using Spherical Harmonics
Xiaoxiong XING Yoshinori DOBASHI Tsuyoshi YAMAMOTO Yosuke KATSURA Ken ANJYO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/02/01
Vol. E98-D  No. 2  pp. 404-411
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
hair renderingspherical harmonicsenvironmental lightvoxelization
 Summary | Full Text:PDF(1.7MB)

Asymmetric Fragile Watermarking Using a Number Theoretic Transform
Hideaki TAMORI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 836-838
Type of Manuscript:  Special Section LETTER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
number theoretic transformasymmetric watermarkingfragile watermarkingimage authentication
 Summary | Full Text:PDF(830.8KB)

A Packet Loss Concealment Technique for VoIP Using Steganography
Noriko KOMAKI Naofumi AOKI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2069-2072
Type of Manuscript:  Special Section LETTER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
VoIPpacket loss concealmentpitch waveform replicationsteganography
 Summary | Full Text:PDF(714KB)

A Fragile Digital Watermarking Technique by Number Theoretic Transform
Hideaki TAMORI Naofumi AOKI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1902-1904
Type of Manuscript:  Special Section LETTER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
digital watermarkingdetecting alterationsdiscrete Fourier transform (DFT)number theoretic transform
 Summary | Full Text:PDF(283.1KB)

Motion Correction of Physiological Movements Using Optical Flow for fMRI Time Series
Seiji KUMAZAWA Tsuyoshi YAMAMOTO Yoshinori DOBASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/01/01
Vol. E85-D  No. 1  pp. 60-68
Type of Manuscript:  Special Section PAPER (Special Issue on Measurements and Visualization Technology of Biological Information)
Category: Image Processing
Keyword: 
fMRImotion correctionoptical flowEM algorithmMAP estimate
 Summary | Full Text:PDF(5.3MB)

A Lossless Image Compression for Medical Images Based on Hierarchical Sorting Technique
Atsushi MYOJOYAMA Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/01/01
Vol. E85-D  No. 1  pp. 108-114
Type of Manuscript:  Special Section PAPER (Special Issue on Measurements and Visualization Technology of Biological Information)
Category: Image Processing
Keyword: 
lossless compressionmedical imagessorting algorithmhierarchical coding
 Summary | Full Text:PDF(3.5MB)

Temperature Dependence of Gain Characteristics in 1.3-µm AlGaInAs/InP Strained Multiple-Quantum-Well Semiconductor Lasers
Toshio HIGASHI Tsuyoshi YAMAMOTO Tsutomu ISHIKAWA Takuya FUJII Haruhisa SODA Minoru YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1274-1281
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
semiconductor lasergaintemperaturethreshold currentoscillation wavelength
 Summary | Full Text:PDF(798.1KB)

Temperature Dependence of Gain Characteristics in 1.3-µm AlGaInAs/InP Strained Multiple-Quantum-Well Semiconductor Lasers
Toshio HIGASHI Tsuyoshi YAMAMOTO Tsutomu ISHIKAWA Takuya FUJII Haruhisa SODA Minoru YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 648-655
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
semiconductor lasergaintemperaturethreshold currentoscillation wavelength
 Summary | Full Text:PDF(798.8KB)

A High-Performance Switch Architecture for Free-Space Photonic Switching Systems
Shigeo URUSHIDANI Masayasu YAMAGUCHI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/02/25
Vol. E82-C  No. 2  pp. 246-253
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Circuit Switching and Cross-Connecting
Keyword: 
free-space photonic switchingmultistage interconnectionself-routingrerouting
 Summary | Full Text:PDF(632.9KB)

A High-Performance Switch Architecture for Free-Space Photonic Switching Systems
Shigeo URUSHIDANI Masayasu YAMAGUCHI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Vol. E82-B  No. 2  pp. 298-305
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Circuit Switching and Cross-Connecting
Keyword: 
free-space photonic switchingmultistage interconnectionself-routingrerouting
 Summary | Full Text:PDF(632.3KB)

Accelerated Composition for Parallel Volume Rendering
Tetu HIRAI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/01/25
Vol. E81-D  No. 1  pp. 81-87
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
medical imagingcomputer graphicsparallel volume renderingcompositingdistributed memory
 Summary | Full Text:PDF(582KB)

Isolator-Free DFB-LD Module with TEC Control Using Silicon Waferboard
Koji TERADA Seimi SASAKI Kazuhiro TANAKA Tsuyoshi YAMAMOTO Tadashi IKEUCHI Kazunori MIURA Mitsuhiro YANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/05/25
Vol. E80-C  No. 5  pp. 703-706
Type of Manuscript:  Special Section LETTER (Special Issue on Photonic Integrated Circuits)
Category: Optoelectronic Packaging
Keyword: 
WDMoptical access networkisolator-freelow power consumptionTECsilicon waferboard
 Summary | Full Text:PDF(301.8KB)

High Optical Coupling Scheme in LD Modules with Silicon Platform Technology
Kazuhiro TANAKA Seimi SASAKI Gohji NAKAGAWA Tsuyoshi YAMAMOTO Kazunori MIURA Shouichi OGITA Mitsuhiro YANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 107-111
Type of Manuscript:  Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
Category: 
Keyword: 
silicon platformoptical couplingpassive alignmentmarkerlaser diodespot size transformer
 Summary | Full Text:PDF(434.9KB)

Hybrid Volume Ray Tracing of Multiple Isosurfaces with Arbitrary Opacity Values
Tetu HIRAI Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/07/25
Vol. E79-D  No. 7  pp. 965-972
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
medical imagingcomputer graphicsvolume renderingray tracingisosurface
 Summary | Full Text:PDF(859.1KB)

A Fast Voxel Tracing Algorithm and Hardware Implementation
Peikai ZHENG Shanjun ZHANG Tsuyoshi YAMAMOTO Yoshinao AOKI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1991/09/25
Vol. E74-D  No. 9  pp. 2951-2959
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
 Summary | Full Text:PDF(907.3KB)

A Method of Fast Creating Hologram Source Pictures from Single View Image Structure
Ban GUO Tsuyoshi YAMAMOTO Yoshinao AOKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/05/25
Vol. E71-E  No. 5  pp. 530-538
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
 Summary | Full Text:PDF(896KB)

Attribute Expansive Graph Grammar for Pattern Description and Its Problem-Reduction Based Processing
Chun-Ye LI Toshio KAWASHIMA Tsuyoshi YAMAMOTO Yoshinao AOKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/04/25
Vol. E71-E  No. 4  pp. 431-440
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
 Summary | Full Text:PDF(848.4KB)

Proposal of Electron Diffraction Transistor
Kazuhito FURUYA Kenji KURISHIMA Tsuyoshi YAMAMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/04/25
Vol. E71-E  No. 4  pp. 286-288
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1988 Spring Convention IEICE)
Category: Semiconductor Devices and Integrated Circuits
Keyword: 
 Summary | Full Text:PDF(186.4KB)

Interactive Solid Design through 2D Representations
Kittima MEKHABUNCHAKIJ Tsuyoshi YAMAMOTO Yoshinao AOKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/12/25
Vol. E70-E  No. 12  pp. 1220-1228
Type of Manuscript:  PAPER
Category: Computer Applications
Keyword: 
 Summary | Full Text:PDF(805.5KB)

A CSG-Based Interpretation of Three-View Drawings
Kittima MEKHABUNCHAKIJ Tsuyoshi YAMAMOTO Yoshinao AOKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/12/25
Vol. E69-E  No. 12  pp. 1354-1364
Type of Manuscript:  PAPER
Category: Computer Applications
Keyword: 
 Summary | Full Text:PDF(1008.4KB)