Tadahiro Ohmi

According to our database, Tadahiro Ohmi authored at least 92 papers between 1993 and 2017.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2017

Effect of Nitrogen-Doped LaB₆ Interfacial Layer on Device Characteristics of Pentacene-Based OFET.

Yasutaka Maeda, Shun'ichiro Ohmi, Tetsuya Goto, Tadahiro Ohmi

IEICE Trans. Electron., 2017

2016

High Quality Pentacene Film Formation on N-Doped LaB₆ Donor Layer.

Yasutaka Maeda, Shun'ichiro Ohmi, Tetsuya Goto, Tadahiro Ohmi

IEICE Trans. Electron., 2016

2014

Influence of Si Surface Roughness on Electrical Characteristics of MOSFET with HfON Gate Insulator Formed by ECR Plasma Sputtering.

Dae-Hee Han, Shun'ichiro Ohmi, Tomoyuki Suwa, Philippe Gaubert, Tadahiro Ohmi

IEICE Trans. Electron., 2014

Face Recognition Using Markov Stationary Features and Vector Quantization Histogram.

Qiu Chen, Koji Kotani, Feifei Lee, Tadahiro Ohmi

Proceedings of the 17th IEEE International Conference on Computational Science and Engineering, 2014

2013

High-speed and highly accurate evaluation of electrical characteristics in MOSFETs.

Akinobu Teramoto, Shigetoshi Sugawa, Tadahiro Ohmi

Proceedings of 2013 International Conference on IC Design & Technology, 2013

2012

The role of the temperature on the scattering mechanisms limiting the electron mobility in metal-oxide-semiconductor field-effect-transistors fabricated on (110) silicon-oriented wafers.

Philippe Gaubert, Akinobu Teramoto, Shigetoshi Sugawa, Tadahiro Ohmi

Proceedings of the 2012 European Solid-State Device Research Conference, 2012

2011

A Robust Face Recognition Algorithm Using Markov Stationary Features and Adjacent Pixel Intensity Difference Quantization Histogram.

Feifei Lee, Koji Kotani, Qiu Chen, Tadahiro Ohmi

Proceedings of the Seventh International Conference on Signal-Image Technology and Internet-Based Systems, 2011

An Improved Face Recognition Algorithm Using Quantized DCT Coefficients.

Qiu Chen, Koji Kotani, Feifei Lee, Tadahiro Ohmi

Proceedings of the Seventh International Conference on Signal-Image Technology and Internet-Based Systems, 2011

2010

A Codebook Design Method for Robust VQ-Based Face Recognition Algorithm.

Qiu Chen, Koji Kotani, Feifei Lee, Tadahiro Ohmi

J. Softw. Eng. Appl., 2010

Fast and efficient search for MPEG-4 video using adjacent pixel intensity difference quantization histogram feature.

Feifei Lee, Koji Kotani, Qiu Chen, Tadahiro Ohmi

Proceedings of the Second International Conference on Digital Image Processing, 2010

Feature facial image recognition using VQ histogram in the DCT domain.

Qiu Chen, Koji Kotani, Feifei Lee, Tadahiro Ohmi

Proceedings of the Second International Conference on Digital Image Processing, 2010

Temporal circuit partitioning for a 90nm CMOS multi-context FPGA and its delay measurement.

Naoto Miyamoto, Tadahiro Ohmi

Proceedings of the 15th Asia South Pacific Design Automation Conference, 2010

Development of a CAD tool for 3D-FPGAs.

Naoto Miyamoto, Yohei Matsumoto, Hanpei Koike, Tadayuki Matsumura, Kenichi Osada, Yaoko Nakagawa, Tadahiro Ohmi

Proceedings of the IEEE International Conference on 3D System Integration, 2010

2009

Data Analysis Technique of Atomic Force Microscopy for Atomically Flat Silicon Surfaces.

Masahiro Konda, Akinobu Teramoto, Tomoyuki Suwa, Rihito Kuroda, Tadahiro Ohmi

IEICE Trans. Electron., 2009

2008

Accurate negative bias temperature instability lifetime prediction based on hole injection.

Akinobu Teramoto, Rihito Kuroda, Shigetoshi Sugawa, Tadahiro Ohmi

Microelectron. Reliab., 2008

Shot change detection using a novel histogram feature in compressed video.

Feifei Lee, Koji Kotani, Qiu Chen, Tadahiro Ohmi

IEICE Electron. Express, 2008

Fast search method for vector quantization by simultaneously using two subvectors.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2008 IEEE International Conference on Multimedia and Expo, 2008

Delay evaluation of 90nm CMOS multi-context FPGA with shift-register-type temporal communication module for large-scale circuit emulation.

Naoto Miyamoto, Tadahiro Ohmi

Proceedings of the 2008 International Conference on Field-Programmable Technology, 2008

Fast Search Algorithm for Short Video Clips from Large Video Database Using a Novel Histogram Feature.

Feifei Lee, Koji Kotani, Qiu Chen, Tadahiro Ohmi

Proceedings of the 2008 International Conferences on Computational Intelligence for Modelling, 2008

Scale-Invariant Feature Extraction by VQ-Based Local Image Descriptor.

Qiu Chen, Koji Kotani, Feifei Lee, Tadahiro Ohmi

Proceedings of the 2008 International Conferences on Computational Intelligence for Modelling, 2008

2007

Examination of degradation mechanism due to negative bias temperature stress from a perspective of hole energy for accurate lifetime prediction.

Kazufumi Watanabe, Akinobu Teramoto, Rihito Kuroda, Shigetoshi Sugawa, Tadahiro Ohmi

Microelectron. Reliab., 2007

High quality gate insulator film formation on SiC using by microwave-excited high-density plasma.

Koutarou Tanaka, Hiroaki Tanaka, Akinobu Teramoto, Shigetoshi Sugawa, Tadahiro Ohmi

Microelectron. Reliab., 2007

Circuit level prediction of device performance degradation due to negative bias temperature stress.

Rihito Kuroda, Akinobu Teramoto, Kazufumi Watanabe, Michihiko Mifuji, Takahisa Yamaha, Shigetoshi Sugawa, Tadahiro Ohmi

Microelectron. Reliab., 2007

Fast Encoding Method of Vector Quantization Based on Optimal Subvector Partition.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 15th International Conference on Digital Signal Processing, 2007

A Rapid Prototyping of Real-Time Pattern Generator for Step-and-Scan Lithography Using Digital Micromirror Device.

Naoto Miyamoto, Masahiko Shimakage, Tatsuo Morimoto, Kazuya Kadota, Shigetoshi Sugawa, Tadahiro Ohmi

Proceedings of the 2007 International Conference on Field-Programmable Technology, 2007

A Balanced Vector-Quantization Processor Eliminating Redundant Calculation for Real-Time Motion Picture Compression.

Masahiro Konda, Takahiro Nakayama, Naoto Miyamoto, Tadahiro Ohmi

Proceedings of the 2007 International Conference on Field-Programmable Technology, 2007

Improved fast encoding method of vector quantization based on dynamic element reordering for codewords.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 18th European Conference on Circuit Theory and Design, 2007

Improving Execution Speed of FPGA using Dynamically Reconfigurable Technique.

Roel Pantonial, Md. Ashfaquzzaman Khan, Naoto Miyamoto, Koji Kotani, Shigetoshi Sugawa, Tadahiro Ohmi

Proceedings of the 12th Conference on Asia South Pacific Design Automation, 2007

2006

Improved the-law-of-cosines-based fast search method for vector quantization by updating angular information.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Pattern Recognit. Lett., 2006

High quality silicon nitride deposited by Ar/N₂/H₂/SiH₄ high-density and low energy plasma at low temperature.

Chuan Jie Zhong, Hiroaki Tanaka, Shigetoshi Sugawa, Tadahiro Ohmi

Microelectron. J., 2006

Comments on: Novel full-search schemes for speeding up image coding using vector quantization.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

J. Vis. Commun. Image Represent., 2006

Post-Processing Method for Vector Quantization to Achieve a Higher PSNR and Nearly Constant Bit Rate.

Zhibin Pan, Tadahiro Ohmi, Koji Kotani

Intell. Autom. Soft Comput., 2006

An Efficient Method of Constructing L₁-Type Norm Feature to Estimate Euclidean Distance for Fast Vector Quantization.

Zhibin Pan, Tadahiro Ohmi, Koji Kotani

Intell. Autom. Soft Comput., 2006

Image Scrambling Method for Information Distribution Via Vector Quantization Codebook Processing.

Takahiro Nakayama, Koji Takeuchi, Masahiro Konda, Koji Kotani, Tadahiro Ohmi

Intell. Autom. Soft Comput., 2006

Still Image Compression with Mean-Residual Domain Adaptive Resolution Vector Quantization Technique.

Takahiro Nakayama, Masahiro Konda, Koji Takeuchi, Koji Kotani, Tadahiro Ohmi

Intell. Autom. Soft Comput., 2006

Region-Division Vector Quantization Histogram Method for Human Face Recognition.

Koji Kotani, Qiu Chen, Feifei Lee, Tadahiro Ohmi

Intell. Autom. Soft Comput., 2006

Fast encoding method for vector quantization based on sorting elements of codewords to adaptively constructing subvectors.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2006), 2006

Constructing Better Partial Sums Based on Energy-Maximum Criterion for Fast Encoding of VQ.

Zhibin Pan, Tadahiro Ohmi, Koji Kotani

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems 2006, 2006

2005

Fast encoding method for vector quantization using modified L₂-norm pyramid.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEEE Signal Process. Lett., 2005

Recursive computation method for fast encoding of vector quantization based on 2-pixel-merging sum pyramid data structure.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Pattern Recognit. Lett., 2005

A generalized multiple projection axes method for fast encoding of vector quantization.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Pattern Recognit. Lett., 2005

A 3.7×3.7mm² 310.9mW 105.2msec 512×512-Pixel Phase-Only Correlation Processor.

Naoto Miyamoto, Koji Kotani, Tadahiro Ohmi

J. Robotics Mechatronics, 2005

Performance Comparison between Equal-Average Equal-Variance Equal-Norm Nearest Neighbor Search (EEENNS) Method and Improved Equal-Average Equal-Variance Nearest Neighbor Search (IEENNS) Method for Fast Encoding of Vector Quantization.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEICE Trans. Inf. Syst., 2005

Improved fast encoding method for vector quantization based on subvector technique.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

Fast Search Method for Image Vector Quantization Based on Equal-Average Equal-Variance and Partial Sum Concept.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, 2005

Enhanced fast encoding method for vector quantization by finding an optimally-ordered Walsh transform kernel.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2005 International Conference on Image Processing, 2005

Fast Encoding Method for Vector Quantization Based on a New Mixed Pyramid Data Structure.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

Fast encoding method for image vector quantization by using partial sum concept in Walsh domain.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 13th European Signal Processing Conference, 2005

2004

A unified projection method for fast search of vector quantization.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEEE Signal Process. Lett., 2004

An improved full-search-equivalent vector quantization method using the law of cosines.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEEE Signal Process. Lett., 2004

An improved fast encoding algorithm for vector quantization using 2-pixel-merging sum pyramid data structure.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Pattern Recognit. Lett., 2004

An Improved Fast Encoding Algorithm for Vector Quantization Using 2-Pixel-Merging Sum Pyramid and Manhattan-Distance-First Check.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEICE Trans. Inf. Syst., 2004

A Fast Encoding Method for Vector Quantization by using Multi Euclidean Distance Estimations.

Zhibin Pan, Tadahiro Ohmi, Koji Kotani

Intell. Autom. Soft Comput., 2004

Face Recognition Algorithm using Vector Quantization Codebook Space Information Processing.

Tadahiro Ohmi, Koji Kotani, Qiu Chen, Feifei Lee

Intell. Autom. Soft Comput., 2004

Still Image Compression with Adaptive Resolution Vector Quantization Technique.

Takahiro Nakayama, Masahiro Konda, Koji Takeuchi, Koji Kotani, Tadahiro Ohmi

Intell. Autom. Soft Comput., 2004

Robust Face Detection Combined Skin Color Features, Template Matching and VQ Histogram Method in Practical Environments.

Qiu Chen, Koji Kotani, Yoshiyuki Taniguchi, Zhibin Pan, Tadahiro Ohmi

Intell. Autom. Soft Comput., 2004

A Dynamically-Reconfigurable Image Recognition Processor.

Kazuyuki Maruo, Masayoshi Ichikawa, Naoto Miyamoto, Leo Karnan, Takahiro J. Yamaguchi, Koji Kotani, Tadahiro Ohmi

Proceedings of the 18th International Parallel and Distributed Processing Symposium (IPDPS 2004), 2004

An improved fast encoding method for vector quantization based on memory-efficient data structure.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 IEEE International Conference on Multimedia and Expo, 2004

Improved fast search method for vector quantization using discrete walsh transform.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 International Conference on Image Processing, 2004

A memory-efficient fast encoding method for vector quantization using 2-pixel-merging sum pyramid.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

An approach to realize time-sharing of flip-flops in time-multiplexed FPGAs.

Md. Ashfaquzzaman Khan, Naoto Miyamoto, Takeshi Ohkawa, Amir Jamak, Soichiro Kita, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 IEEE International Conference on Field-Programmable Technology, 2004

A fast search method for vector quantization using 2-pixel-merging sum pyramid in recursive way.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 12th European Signal Processing Conference, 2004

An image recognition processor using dynamically reconfigurable ALU.

Naoto Miyamoto, Koji Kotani, Kazuyuki Maruo, Tadahiro Ohmi

Proceedings of the IEEE 2004 Custom Integrated Circuits Conference, 2004

The flexible processor an approach for single-chip hardware emulation by dynamic reconfiguration.

Takeshi Ohkawa, Toshiyuki Nozawa, Masanori Fujibayashi, Naoto Miyamoto, Leo Karnan, Soichiro Kita, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

A small-area high-performance 512-point 2-dimensional FFT single-chip processor.

Naoto Miyamoto, Leo Karnan, Kazuyuki Maruo, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2004 Conference on Asia South Pacific Design Automation: Electronic Design and Solution Fair 2004, 2004

2003

Extraction of instantaneous and RMS sinusoidal jitter using an analytic signal method.

Takahiro J. Yamaguchi, Mani Soma, Masahiro Ishida, Toshifumi Watanabe, Tadahiro Ohmi

IEEE Trans. Circuits Syst. II Express Briefs, 2003

A still-image encoder based on adaptive resolution vector quantization featuring needless calculation elimination architecture.

Masanori Fujibayashi, Toshiyuki Nozawa, Takahiro Nakayama, Kenji Mochizuki, Masahiro Konda, Koji Kotani, Shigetoshi Sugawa, Tadahiro Ohmi

IEEE J. Solid State Circuits, 2003

A Fast Encoding Method for Vector Quantization Based on 2-Pixel-Merging Sum Pyramid Data Structure.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

A fast full search equivalent encoding method for vector quantization by using appropriate features.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2003 IEEE International Conference on Multimedia and Expo, 2003

Adaptive resolution vector quantization technique and basic codebook design method for compound image compression.

Takahiro Nakayama, Masahiro Konda, Koji Takeuchi, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2003 IEEE International Conference on Multimedia and Expo, 2003

Still image compression method based on adaptive block segmentation vector quantization technique.

Takahiro Nakayama, Koji Takeuchi, Masahiro Konda, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2003 International Conference on Image Processing, 2003

A still image encoder based on adaptive resolution vector quantization employing needless calculation elimination architecture.

Masanori Fujibayashi, Toshiyuki Nozawa, Takahiro Nakayama, Kenji Mochizuki, Koji Kotani, Shigetoshi Sugawa, Tadahiro Ohmi

Proceedings of the 2003 Asia and South Pacific Design Automation Conference, 2003

2002

A Method for Compressing Test Data Based on Burrows-Wheeler Transformation.

Takahiro J. Yamaguchi, Dong Sam Ha, Masahiro Ishida, Tadahiro Ohmi

IEEE Trans. Computers, 2002

A zone-programmed EEPROM with real-time write monitoring for analog data storage.

Keng Hoong Wee, T. Yonezawa, Toshiyuki Nozawa, Tadashi Shibata, Tadahiro Ohmi

Proceedings of the 2002 International Symposium on Circuits and Systems, 2002

A hierarchical fast encoding algorithm for vector quantization with PSNR equivalent to full search.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the 2002 International Symposium on Circuits and Systems, 2002

Face recognition using vector quantization histogram method.

Koji Kotani, Feifei Lee, Qiu Chen, Tadahiro Ohmi

Proceedings of the 2002 International Conference on Image Processing, 2002

2001

New paradigm of silicon technology.

Tadahiro Ohmi, Shigetoshi Sugawa, Koji Kotani, Masaki Hirayama, Akihiro Morimoto

Proc. IEEE, 2001

High-precision analog EEPROM with real-time write monitoring.

Keng Hoong Wee, Toshiyuki Nozawa, Takemi Yonezawa, Yuichiro Yamashita, Tadashi Shibata, Tadahiro Ohmi

Proceedings of the 2001 International Symposium on Circuits and Systems, 2001

Flexible processor based on full-adder/ d-flip-flop merged module.

Satoshi Sakaidani, Naoto Miyamoto, Tadahiro Ohmi

Proceedings of ASP-DAC 2001, 2001

A parallel vector quantization processor featuring an efficient search algorithm for real-time motion picture compression.

Toshiyuki Nozawa, Makoto Imai, Masanori Fujibayashi, Tadahiro Ohmi

Proceedings of ASP-DAC 2001, 2001

2000

A parallel vector-quantization processor eliminating redundant calculations for real-time motion picture compression.

Toshiyuki Nozawa, Masahiro Konda, Masanori Fujibayashi, Makoto Imai, Koji Kotani, Shigetoshi Sugawa, Tadahiro Ohmi

IEEE J. Solid State Circuits, 2000

Extraction of Peak-to-Peak and RMS Sinusoidal Jitter Using an Analytic Signal Method.

Takahiro J. Yamaguchi, Masahiro Ishida, Mani Soma, Toshifumi Watanabe, Tadahiro Ohmi

Proceedings of the 18th IEEE VLSI Test Symposium (VTS 2000), 30 April, 2000

A fast search method of speaker identification for large population using pre-selection and hierarchical matching.

Zhibin Pan, Koji Kotani, Tadahiro Ohmi

Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

1999

Association hardware for intelligent electronic systems.

Tadahiro Ohmi, Tadashi Shibata, Koji Kotani, Tsutomu Nakai, Akira Nakada, Ning Mei Yu, Masahiro Konda, Tatsuo Morimoto, Yuichiro Yamashita

Syst. Comput. Jpn., 1999

A fully parallel vector-quantization processor for real-time motion-picture compression.

Akira Nakada, Tadashi Shibata, Masahiro Konda, Tatsuo Morimoto, Tadahiro Ohmi

IEEE J. Solid State Circuits, 1999

1998

CMOS charge-transfer preamplifier for offset-fluctuation cancellation in low-power A/D converters.

Koji Kotani, Tadashi Shibata, Tadahiro Ohmi

IEEE J. Solid State Circuits, 1998

Neuron-MOS continuous-time winner-take-all circuit for intelligent data processing.

Tatsuo Morimoto, Tadashi Shibata, Tadahiro Ohmi

Proceedings of the Knowledge-Based Intelligent Electronic Systems, 1998

1996

Implementing Intelligence in Silicon Integrated Circuits Using Neuron-Like High-Functionality Transistors.

Tadashi Shibata, Tadahiro Ohmi

J. Robotics Mechatronics, 1996

1995

A neuron-MOS neural network using self-learning-compatible synapse circuits.

Tadashi Shibata, Hideo Kosaka, Hiroshi Ishii, Tadahiro Ohmi

IEEE J. Solid State Circuits, August, 1995

Neuron-MOS Temporal Winner Search Hardware for Fully-Parallel Data Processing.

Tadashi Shibata, Tsutomu Nakai, Tatsuo Morimoto, Ryu Kaihara, Takeo Yamashita, Tadahiro Ohmi

Proceedings of the Advances in Neural Information Processing Systems 8, 1995

1993

ULSI reliability through ultraclean processing.

Tadahiro Ohmi

Proc. IEEE, 1993

Implementing Intelligence on Silicon Using Neuron-Like Functional MOS Transistors.

Tadashi Shibata, Koji Kotani, Takeo Yamashita, Hiroshi Ishii, Hideo Kosaka, Tadahiro Ohmi

Proceedings of the Advances in Neural Information Processing Systems 6, 1993