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Osamu WATANABE

Two-Layer Near-Lossless HDR Coding Using Zero-Skip Quantization with Backward Compatibility to JPEG Hiroyuki KOBAYASHI Osamu WATANABE Hitoshi KIYA
Publication: Publication Date: 2019/12/01 Vol. E102-A No. 12 pp. 1842-1848 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Image Keyword: JPEG XT, HDR, near-lossless coding, backward compatibility to JPEG,
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A Space-Efficient Separator Algorithm for Planar Graphs Ryo ASHIDA Sebastian KUHNERT Osamu WATANABE
Publication: Publication Date: 2019/09/01 Vol. E102-A No. 9 pp. 1007-1016 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Graph algorithms Keyword: separator, sublinear-space algorithm,
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Two-Layer Lossless HDR Coding Using Histogram Packing Technique with Backward Compatibility to JPEG Osamu WATANABE Hiroyuki KOBAYASHI Hitoshi KIYA
Publication: Publication Date: 2018/11/01 Vol. E101-A No. 11 pp. 1823-1831 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Image, Multimedia Environment Tech Keyword: JPEG XT, HDR, lossless coding, backward compatibility to JPEG,
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A 60 GHz Power Amplifier with 10 GHz 1-dB Bandwidth and 13.6% PAE in 65 nm CMOS Tong WANG Toshiya MITOMO Naoko ONO Shigehito SAIGUSA Osamu WATANABE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/06/01 Vol. E96-C No. 6 pp. 796-803 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: broadband amplifiers, millimeter wave integrated circuits, power amplifiers,
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Automated Ulcer Detection Method from CT Images for Computer Aided Diagnosis of Crohn's Disease Masahiro ODA Takayuki KITASAKA Kazuhiro FURUKAWA Osamu WATANABE Takafumi ANDO Hidemi GOTO Kensaku MORI
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2013/04/01 Vol. E96-D No. 4 pp. 808-818 Type of Manuscript: Special Section PAPER (Special Section on Medical Imaging) Category: Medical Image Processing Keyword: ulcer, small and large intestines, detection, computer aided diagnosis, CT image,
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Codestream-Based Identification of JPEG 2000 Images with Different Coding Parameters Osamu WATANABE Takahiro FUKUHARA Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2012/04/01 Vol. E95-D No. 4 pp. 1120-1129 Type of Manuscript: PAPER Category: Image Processing and Video Processing Keyword: JPEG 2000, image identification, image search, digital cinema,
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Estimating the Gowers Norm of Modulo Functions over Prime Fields Akinori KAWACHI Hidetoki TANAKA Osamu WATANABE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2012/03/01 Vol. E95-D No. 3 pp. 755-762 Type of Manuscript: Special Section PAPER (Special Section on Foundations of Computer Science – Mathematical Foundations and Applications of Computer Science and Algorithms –) Category: Keyword: Gowers norm, Modulo functions,
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Spectral Analysis of Random Sparse Matrices Tomonori ANDO Yoshiyuki KABASHIMA Hisanao TAKAHASHI Osamu WATANABE Masaki YAMAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/06/01 Vol. E94-A No. 6 pp. 1247-1256 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: random symmetric 0,1-matrix, sparse matrix, eigenvalue, eigenvector,
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A Triple-Band WCDMA Direct Conversion Receiver IC with Reduced Number of Off-Chip Components and Digital Baseband Control Signals Osamu WATANABE Rui ITO Toshiya MITOMO Shigehito SAIGUSA Tadashi ARAI Takehiko TOYODA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/06/01 Vol. E91-C No. 6 pp. 837-843 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: WCDMA, direct conversion receiver(DCR), triple-band, class AB mixer, DC offset canceler,
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A Fast f_c Automatic Tuning Circuit with Wide Tuning Range for WCDMA Direct Conversion Receiver Systems Osamu WATANABE Rui ITO Shigehito SAIGUSA Tadashi ARAI Tetsuro ITAKURA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/06/01 Vol. E90-C No. 6 pp. 1247-1252 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: WCDMA, DCR, lowpass filter, f_c automatic tuning,
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A Quadrature Demodulator for WCDMA Receiver Using Common-Base Input Stage with Robustness to Transmitter Leakage Toshiya MITOMO Osamu WATANABE Ryuichi FUJIMOTO Shunji KAWAGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/06/01 Vol. E90-C No. 6 pp. 1241-1246 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: WCDMA receiver, direct conversion, quadrature demodulator, common-base circuit,
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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 hiding, information embedding, image-quality, quality guaranteed, watermarking,
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A Low LO Leakage and Low Power LO Buffer for Direct-Conversion Quadrature Demodulator Toshiya MITOMO Osamu WATANABE Shoji OTAKA Ryuichi FUJIMOTO Shunji KAWAGUCHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/06/01 Vol. E88-C No. 6 pp. 1212-1217 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies) Category: RF Keyword: LO buffer, quadrature demodulator, direct-conversion, self mixing, DC offset,
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Fully Differential Direct-Conversion Receiver for W-CDMA Reducing DC-Offset Variation Hiroshi YOSHIDA Takehiko TOYODA Ichiro SETO Ryuichi FUJIMOTO Osamu WATANABE Tadashi ARAI Tetsuro ITAKURA Hiroshi TSURUMI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/06/01 Vol. E87-C No. 6 pp. 901-908 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies) Category: Keyword: direct conversion, DC offset canceler, harmonic mixer,
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A 380-MHz CMOS Linear-in-dB Variable Gain Amplifier with Gain Compensation Techniques for CDMA Systems Osamu WATANABE Mitsuyuki ASHIDA Tetsuro ITAKURA Shoji OTAKA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/06/01 Vol. E86-C No. 6 pp. 1069-1076 Type of Manuscript: Special Section PAPER (Special Issue on Devices and Circuits for Next Generation Multi-Media Communication Systems) Category: Keyword: variable gain amplifier, VGA, gain compensation, temperature compensation, linear-in-dB characteristics, square circuit, MOSFET, square-law region, exponential-law region, CDMA,
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An Extension of ROI-Based Scalability for Progressive Transmission in JPEG2000 Coding Osamu WATANABE Hitoshi KIYA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/04/01 Vol. E86-A No. 4 pp. 765-771 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: JPEG2000, ROI, progressive transmission,
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Near Field Optical Recording on Azopolymer Using a Sub-Microsecond Pulse Taiji IKAWA Chang-Dae KEUM Hideki TAKAGI Masaaki TSUCHIMORI Osamu WATANABE Wataru MORI Masaya HARADA Masahiro TAWATA Hiroshi SHIMOYAMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2002/06/01 Vol. E85-C No. 6 pp. 1287-1290 Type of Manuscript: Special Section LETTER (Special Issue on Recent Progress in Organic Molecular Electronics) Category: Optoelectronics and Photonics Keyword: optical near field, azopolymer, scanning near-field optical microscopy, optical recording, surface deformation,
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A 2-GHz Down-Converter with 3-dB Bandwidth of 600 MHz Using LO Signal Suppressing Output Buffer Osamu WATANABE Takafumi YAMAJI Tetsuro ITAKURA Ichiro HATTORI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2002/02/01 Vol. E85-A No. 2 pp. 286-292 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: analog signal processing, integrated circuit, down-converter,
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High-Frequency Device-Modeling Techniques for RF-CMOS Circuits Ryuichi FUJIMOTO Osamu WATANABE Fumie FUJII Hideyuki KAWAKITA Hiroshi TANIMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 520-528 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era) Category: Keyword: device model, model parameter, scaling, geometric parameter, process parameter,
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Topographical Change of Azopolymer Surface Induced by Optical Near-Field around Photo-Irradiated Nanoparticles Osamu WATANABE Taiji IKAWA Makoto HASEGAWA Masaaki TSUCHIMORI Yoshimasa KAWATA Chikara EGAMI Okihiro SUGIHARA Naomichi OKAMOTO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2000/07/25 Vol. E83-C No. 7 pp. 1125-1127 Type of Manuscript: Special Section LETTER (Special Issue on Organic Molecular Electronics for the 21st Century) Category: Thin Film Keyword: optical near-filed, transcription of arrayed structure, nanoparticles, pulsed laser, azopolymer,
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Design of Integer Wavelet Filters for Image Compression Hitoshi KIYA Hiroyuki KOBAYASHI Osamu WATANABE
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/25 Vol. E83-A No. 3 pp. 487-491 Type of Manuscript: Special Section LETTER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: JPEG2000, integer wavelet, integer coefficients filter, lifting,
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Simple Sampling Techniques for Discovery Science Osamu WATANABE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2000/01/25 Vol. E83-D No. 1 pp. 19-26 Type of Manuscript: INVITED PAPER (Special Issue on Surveys on Discovery Science) Category: Keyword: random sampling, the Chernoff bound, the Hoeffding bound, the central limit theorem, sequential sampling, adaptive sampling,
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Voice Activity Detection and Transmission Error Control for Digital Cordless Telephone System Seishi SASAKI Ichiro MATSUMOTO Osamu WATANABE Kenzo URABE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1994/07/25 Vol. E77-B No. 7 pp. 948-955 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: radio communication, ADPCM, voice activity detection, comfort noise, transmission error control,
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Polynomially Sparse Variations and Reducibility among Prediction Problems Naoki ABE Osamu WATANABE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1992/07/25 Vol. E75-D No. 4 pp. 449-458 Type of Manuscript: Special Section PAPER (Special Issue on Algorithmic Learning Theory) Category: Keyword: prediction preserving reducibility, turing reducibility, many-one reducibility, polynomially sparse variants, PAC learning model, computational learning theory,
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FOREWORD Akira MARUOKA Yasubumi SAKAKIBARA Osamu WATANABE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1992/07/25 Vol. E75-D No. 4 pp. 403-404 Type of Manuscript: FOREWORD Category: Keyword:
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FOREWORD Toshihide IBARAKI Osamu WATANABE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1992/01/25 Vol. E75-D No. 1 pp. 3-4 Type of Manuscript: FOREWORD Category: Keyword:
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