World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
35
Citations
6223
World Ranking
8915
National Ranking
193

Overview

T. Okoshi is affiliated with the University of Tokyo in Japan and specializes in computer science. Their research spans various subfields, including computer vision and pattern recognition, artificial intelligence, experimental and cognitive psychology, information systems, and obstetrics and gynecology.

The scientist's research topics cover several areas such as sentiment analysis and opinion mining, human mobility and location-based analysis, advanced image and video retrieval techniques, emotion and mood recognition, mobile crowdsensing and crowdsourcing, innovative human-technology interaction, and green IT and sustainability.

T. Okoshi has contributed to multiple publications in reputable venues. Among the frequent publication venues are:

  • arXiv (Cornell University)
  • Computers
  • IEEE Transactions on Affective Computing
  • Social Network Analysis and Mining
  • BMC Pregnancy and Childbirth

Some of their recent papers include:

  • "Combining Blockchains, Smart Contracts, and Complex Sensors Management Platform for Hyper-Connected SmartCities: An IoT Data Marketplace Use Case," 2021, Computers
  • "ER-Chat: A Text-to-Text Open-Domain Dialogue Framework for Emotion Regulation," 2022, IEEE Transactions on Affective Computing
  • "Investigating the occurrence of selfie-based emotional contagion over social network," 2021, Social Network Analysis and Mining
  • "Protocol for an interventional study to reduce postpartum weight retention in obese mothers using the internet of things and a mobile application: a randomized controlled trial (SpringMom)," 2021, BMC Pregnancy and Childbirth
  • "A Bus Crowdedness Sensing System Using Deep-Learning Based Object Detection," 2022, IEICE Transactions on Information and Systems

Okoshi frequently collaborates with several co-authors, indicating active participation in research networks and joint projects. Key co-authors include:

  • Jin Nakazawa
  • Wataru Sasaki
  • Yuuki Nishiyama
  • Kota Tsubouchi

Best Publications

  • Novel method for high resolution measurement of laser output spectrum

    T. Okoshi;K. Kikuchi;A. Nakayama

  • Three-Dimensional Imaging Techniques

    Unknown

  • Polarization-state control schemes for heterodyne or homodyne optical fiber communications

    T. Okoshi

  • Three-dimensional displays

    Unknown

  • Degradation of bit-error rate in coherent optical communications due to spectral spread of the transmitter and the local oscillator

    K. Kikuchi;T. Okoshi;M. Nagamatsu;N. Henmi

  • The Planar Circuit - An Approach to Microwave Integrated Circuitry

    Unknown

  • Frequency stabilisation of semiconductor lasers for heterodyne-type optical communication systems

    T. Okoshi;K. Kikuchi

  • Computation of Bit-Error Rate of Various Heterodyne and Coherent-Type Optical Communication Schemes

    T. Okoshi;K. Emura;K. Kikuchi;R. Th. Kersten

  • Single-polarization single-mode optical fibers

    T. Okoshi

  • Simple formula giving spectrum-narrowing ratio of semiconductor-laser output obtained by optical feedback

    K. Kikuchi;T. Okoshi

  • Wavelength-sweeping technique for measuring the beat length of linearly birefringent optical fibers

    Kazuro Kikuchi;Takanori Okoshi

  • The Segmentation Method--An Approach to the Analysis of Microwave Planar Circuits (Short Papers)

    Unknown

  • Single-polarisation single-mode optical fibre with refractive-index pits on both sides of core

    T. Okoshi;K. Oyamada

  • Fault location in optical fibers using optical frequency domain reflectometry

    H. Ghafoori-Shiraz;T. Okoshi

  • Recent progress in heterodyne/coherent optical-fiber communications

    T. Okoshi

  • Recent advances in coherent optical fiber communication systems

    Unknown

  • Heterodyne and Coherent Optical Fiber Communications: Recent Progress

    Unknown

  • Measurement of FM noise, AM noise, and field spectra of 1.3 µm InGaAsP DFB lasers and determination of the linewidth enhancement factor

    K. Kikuchi;T. Okoshi

  • Refractive-index profile of an optical fiber: its measurement by the scattering-pattern method.

    T. Okoshi;K. Hotate

  • Measurement of refractive-index profile and transmission characteristics of a single-mode optical fiber from its exit-radiation pattern

    Kazuo Hotate;Takanori Okoshi

  • Estimation of linewidth enhancement factor of AlGaAs lasers by correlation measurement between FM and AM noises

    K. Kikuchi;T. Okoshi

  • Side-tunnel fibre: an approach to polarisation-maintaining optical waveguiding scheme

    T. Okoshi;K. Oyamada;M. Nishimura;H. Yokota

  • New polarisation-control scheme for optical heterodyne receiver using two Faraday rotators

    T. Okoshi;Y.H. Cheng;K. Kikuchi

  • Suppression of stimulated Brillouin scattering using optical isolators

    Y. Takushima;T. Okoshi

  • Dependence of semiconductor laser linewidth on measurement time: evidence of predominance of 1/f noise

    K. Kikuchi;T. Okoshi

  • Performance improvement and optimization of fiber amplifier with a midway isolator

    S. Yamashita;T. Okoshi

Frequent Co-Authors

Kazuro Kikuchi
Kazuro Kikuchi National Institution for Academic Degrees and Quality Enhancement of Higher Education
Kazuo Hotate
Kazuo Hotate Toyota Technological Institute
Shinji Yamashita
Shinji Yamashita University of Tokyo

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Best Scientists Citing T. Okoshi