Tetsuya ASAI


Dither NN: Hardware/Algorithm Co-Design for Accurate Quantized Neural Networks
Kota ANDO Kodai UEYOSHI Yuka OBA Kazutoshi HIROSE Ryota UEMATSU Takumi KUDO Masayuki IKEBE Tetsuya ASAI Shinya TAKAMAEDA-YAMAZAKI Masato MOTOMURA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-D  No. 12  pp. 2341-2353
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Computer System
Keyword: 
neural networkditheringerror diffusionFPGAhardware-oriented neural network algorithm
 Summary | Full Text:PDF(1.6MB)

FPGA-Based Annealing Processor with Time-Division Multiplexing
Kasho YAMAMOTO Masayuki IKEBE Tetsuya ASAI Masato MOTOMURA Shinya TAKAMAEDA-YAMAZAKI 
Publication:   
Publication Date: 2019/12/01
Vol. E102-D  No. 12  pp. 2295-2305
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Computer System
Keyword: 
ising modelannealing processorsimulated annealing
 Summary | Full Text:PDF(2MB)

High-Resistance Resistor Consisting of a Subthreshold CMOS Differential Pair
Shin'ichi ASAI Ken UENO Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 741-746
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
CMOSintegrated circuitresistorhigh resistancedifferential circuitsubthreshold
 Summary | Full Text:PDF(1.3MB)

An On-Chip PVT Compensation Technique with Current Monitoring Circuit for Low-Voltage CMOS Digital LSIs
Yusuke TSUGITA Ken UENO Tetsuya HIROSE Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 835-841
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
digital circuitsthreshold voltage variationcompensation circuitPVT variation
 Summary | Full Text:PDF(974.1KB)

Low-Voltage Process-Compensated VCO with On-Chip Process Monitoring and Body-Biasing Circuit Techniques
Ken UENO Tetsuya HIROSE Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3079-3081
Type of Manuscript:  Special Section LETTER (Special Section on VLSI Design and CAD Algorithms)
Category: Device and Circuit Modeling and Analysis
Keyword: 
voltage-controlled oscillatorprocess variationprocess compensationbody biascurrent reference
 Summary | Full Text:PDF(314.6KB)

Stochastic Resonance in an Array of Locally-Coupled McCulloch-Pitts Neurons with Population Heterogeneity
Akira UTAGAWA Tohru SAHASHI Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2508-2513
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Nonlinear Problems
Keyword: 
stochastic resonanceimage processingneural networks
 Summary | Full Text:PDF(833.4KB)

Threshold-Logic Devices Consisting of Subthreshold CMOS Circuits
Taichi OGAWA Tetsuya HIROSE Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 436-442
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
subthresholdMOScircuitthreshold logicmajority logicgatecurrent mode
 Summary | Full Text:PDF(704.4KB)

Noise-Induced Synchronization among Sub-RF CMOS Analog Oscillators for Skew-Free Clock Distribution
Akira UTAGAWA Tetsuya ASAI Tetsuya HIROSE Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2475-2481
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Electronic Circuits and Systems
Keyword: 
clock distributionsynchronizationnonlinear oscillatorsclock skew
 Summary | Full Text:PDF(826.8KB)

An Inhibitory Neural-Network Circuit Exhibiting Noise Shaping with Subthreshold MOS Neuron Circuits
Akira UTAGAWA Tetsuya ASAI Tetsuya HIROSE Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2108-2115
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: Neuron and Neural Networks
Keyword: 
neuromorphic analog integrated circuitspulse density modulationnoise shapingsubthreshold CMOS circuits
 Summary | Full Text:PDF(782.2KB)

A CMOS Watchdog Sensor for Certifying the Quality of Various Perishables with a Wider Activation Energy
Ken UENO Tetsuya HIROSE Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/04/01
Vol. E89-A  No. 4  pp. 902-907
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 18th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
CMOSsensorsubthresholdtranslinearlow powerquality guarantee
 Summary | Full Text:PDF(598.5KB)

Ultralow-Power Current Reference Circuit with Low Temperature Dependence
Tetsuya HIROSE Toshimasa MATSUOKA Kenji TANIGUCHI Tetsuya ASAI Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1142-1147
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Building Block
Keyword: 
CMOSreferencesubthresholdweak inversionlow powertemperature dependence
 Summary | Full Text:PDF(378.8KB)

A CMOS Reaction-Diffusion Circuit Based on Cellular-Automaton Processing Emulating the Belousov-Zhabotinsky Reaction
Tetsuya ASAI Yuusaku NISHIMIYA Yoshihito AMEMIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/09/01
Vol. E85-A  No. 9  pp. 2093-2096
Type of Manuscript:  Special Section LETTER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
reaction-diffusion systemreaction-diffusion chipcellular automatonBelousov-Zhabotinsky reaction
 Summary | Full Text:PDF(311.9KB)