Yuichi Ogawa

According to our database, Yuichi Ogawa authored at least 31 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Label-free technology for traceable identification of single green pepper through features in UV fluorescent images.

Tetsuyuki Takemoto, Zichen Huang, Ken Abamba Omwange, Yoshito Saito, Keiji Konagaya, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Comput. Electron. Agric., August, 2023

An automatic eye surface-fundus double imaging system for estimation of vitamin A levels in Japanese Black Cattle.

Nanding Li, Otieno Samuel Ouma, Dimas Firmanda Al Riza, Mizuki Shibasaki, Wulandari, Moriyuki Fukushima, Tateshi Fujiura, Yuichi Ogawa, Naoshi Kondo, Tetsuhito Suzuki

Comput. Electron. Agric., July, 2023

2021

A sound-based positioning system with centimeter accuracy for mobile robots in a greenhouse using frequency shift compensation.

Zichen Huang, Tomoo Shiigi, Lok Wai Jacky Tsay, Hiroaki Nakanishi, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Comput. Electron. Agric., 2021

2020

Chick Embryo Growth Modeling Using Near-Infrared Sensor and Non-Linear Least Square Fitting of Egg Opacity Values.

Alin Khaliduzzaman, Ayuko Kashimori, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Sensors, 2020

A Noise Tolerant Spread Spectrum Sound-Based Local Positioning System for Operating a Quadcopter in a Greenhouse.

Zichen Huang, Lok Wai Jacky Tsay, Tomoo Shiigi, Xunyue Zhao, Hiroaki Nakanishi, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Sensors, 2020

Fluorescence time series monitoring of different parts of green pepper (<i>Capsicum annuum</i> L.) under different storage temperatures.

Danial Fatchurrahman, Makoto Kuramoto, Dimas Firmanda Al Riza, Yuichi Ogawa, Tetsuhito Suzuki, Naoshi Kondo

Comput. Electron. Agric., 2020

2019

A non-invasive diagnosis technique of chick embryonic cardiac arrhythmia using near infrared light.

Alin Khaliduzzaman, Shinichi Fujitani, Ayuko Kashimori, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Comput. Electron. Agric., 2019

Non-invasive broiler chick embryo sexing based on opacity value of incubated eggs.

Alin Khaliduzzaman, Shinichi Fujitani, Ayuko Kashimori, Tetsuhito Suzuki, Yuichi Ogawa, Naoshi Kondo

Comput. Electron. Agric., 2019

2018

Improved underwater Helmholtz resonator with an open cavity for sample volume estimation.

Stephen N. Njane, Yoshiaki Shinohara, Naoshi Kondo, Yuichi Ogawa, Tetsuhito Suzuki, Takahisa Nishizu

Comput. Electron. Agric., 2018

Cardiac signal behavior of early and late hatch chick embryos during incubation.

Alin Khaliduzzaman, Shinichi Fujitani, Naoshi Kondo, Md Syduzzaman, Afzal Rahman, Tetsuhito Suzuki, Yuichi Ogawa, Ayuko Kashimori, Tateshi Fujiura

Comput. Electron. Agric., 2018

Frequency Up-Conversion of Data-Carrying Optical Vortex for Optical Fibre to Optical Wireless Communications Interface.

Guo-Wei Lu, Junichi Hamazaki, Keizo Inagaki, T. Kishimoto, Yuichi Ogawa, Norihiko Sekine, Akifumi Kasamatsu, Naokatsu Yamamoto, S. Yamaguchi, Iwao Hosako

Proceedings of the European Conference on Optical Communication, 2018

2017

Periodically poled LiNbO3 ridge waveguide with 21.9 dB phase-sensitive gain by optical parametric amplification.

T. Kishimoto, K. Inafune, Yuichi Ogawa, Norihiko Sekine, H. Murai, H. Sasaki

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Stream Geo-location Data Processing for Detecting Rescuers in a Large-scale Disaster.

Hideki Hayashi, Yuichi Ogawa, Natsuko Sugaya, Akinori Asahara, Hitoshi Tomita

Proceedings of the 3rd ACM SIGSPATIAL Workshop on Emergency Management using, Redondo Beach, CA, USA, November 07, 2017

2016

CMOS Biosensor IC Focusing on Dielectric Relaxations of Biological Water With 120 and 60 GHz Oscillator Arrays.

Takeshi Mitsunaka, Daiki Sato, Nobuyuki Ashida, Akira Saito, Kunihiko Iizuka, Tetsuhito Suzuki, Yuichi Ogawa, Minoru Fujishima

IEEE J. Solid State Circuits, 2016

Self-consistent treatment of the sheath boundary conditions by introducing anisotropic ion temperatures and virtual divertor model.

Satoshi Togo, Tomonori Takizuka, Makoto Nakamura, Kazuo Hoshino, Kenzo Ibano, Tee Long Lang, Yuichi Ogawa

J. Comput. Phys., 2016

28.3 CMOS biosensor IC focusing on dielectric relaxations of biological water with 120GHz and 60GHz oscillator arrays.

Takeshi Mitsunaka, Nobuyuki Ashida, Akira Saito, Kunihiko Iizuka, Tetsuhito Suzuki, Yuichi Ogawa, Minoru Fujishima

Proceedings of the 2016 IEEE International Solid-State Circuits Conference, 2016

Composition of simulation data for large-scale disaster estimation.

Hideki Hayashi, Akinori Asahara, Natsuko Sugaya, Yuichi Ogawa, Hitoshi Tomita

Proceedings of the Second ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management, 2016

2015

Prediction of K value for fish flesh based on ultraviolet-visible spectroscopy of fish eye fluid using partial least squares regression.

Anisur Rahman, Naoshi Kondo, Yuichi Ogawa, Tetsuhito Suzuki, Yuri Shirataki, Yumi Wakita

Comput. Electron. Agric., 2015

Spatio-temporal join technique for disaster estimation in large-scale natural disaster.

Hideki Hayashi, Akinori Asahara, Natsuko Sugaya, Yuichi Ogawa, Hitoshi Tomita

Proceedings of the 6th ACM SIGSPATIAL International Workshop on GeoStreaming, 2015

Spatio-temporal similarity search method for disaster estimation.

Hideki Hayashi, Akinori Asahara, Natsuko Sugaya, Yuichi Ogawa, Hitoshi Tomita

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

2013

Moving Object Localization Using Sound-Based Positioning System with Doppler Shift Compensation.

Slamet Widodo, Tomoo Shiigi, Naoki Hayashi, Hideo Kikuchi, Keigo Yanagida, Yoshiaki Nakatsuchi, Yuichi Ogawa, Naoshi Kondo

Robotics, 2013

Relationship between survivability of ant colony and rate of state transition to rest.

Yuichi Ogawa, Shigeto Dobata, Fumitoshi Matsuno

Proceedings of the 2013 IEEE/SICE International Symposium on System Integration, 2013

2012

Influence of food density on colony size of Pogonomyrmex barbatus.

Yuichi Ogawa, Sohei Hanamoto, Kazuki Tsuji, Fumitoshi Matsuno

Proceedings of the IEEE/SICE International Symposium on System Integration, 2012

Sound-Based Ranging System in Greenhouse Environment with Multipath Effect Compensation Using Artificial Neural Network.

Slamet Widodo, Tomoo Shiigi, Naing Min Than, Yuichi Ogawa, Naoshi Kondo

Proceedings of the Neural Information Processing - 19th International Conference, 2012

2009

Attenuated total reflection spectra of aqueous glycine in the terahertz region.

Yuichi Ogawa, Li Cheng, Shin'ichiro Hayashi, Kaori Fukunaga

IEICE Electron. Express, 2009

2008

Application of terahertz spectroscopy for character recognition in a medieval manuscript.

Kaori Fukunaga, Yuichi Ogawa, Shin'ichiro Hayashi, Iwao Hosako

IEICE Electron. Express, 2008

2007

Terahertz spectroscopy for art conservation.

Kaori Fukunaga, Yuichi Ogawa, Shin'ichiro Hayashi, Iwao Hosako

IEICE Electron. Express, 2007

2005

Proposal of two-stage patent retrieval method considering the claim structure.

Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Makoto Iwayama, Tadaaki Oshio

ACM Trans. Asian Lang. Inf. Process., 2005

NTCIR-5 Patent Retrieval Experiments at Hitachi.

Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Takaaki Yayoi, Yusuke Sato, Makoto Iwayama

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

2004

Two-Stage Patent Retrieval Method Considering Claim Structure.

Hisao Mase, Tadataka Matsubayashi, Yuichi Ogawa, Makoto Iwayama, Tadaaki Oshio

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

2003

Spraying Robot for Grape Production.

Yuichi Ogawa, Naoshi Kondo, Mitsuji Monta, Sakae Shibusawa

Proceedings of the Field and Service Robotics, Recent Advances in Reserch and Applications, 2003