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  1. No Access

    Chapter and Conference Paper

    Time-Series Estimation of the Best Time to View Seasonal Organisms Using Geotagged Tweets and Co-occurring Words

    The meteorological agency has reduced the scale of its biological seasonal observations because of requirements for maintaining observation targets and securing personnel. A low-cost, nationally applicable est...

    Yusuke Takamori, Junya Sato, Ryoga Sato, Asahi Iha… in Management of Digital EcoSystems (2024)

  2. No Access

    Article

    Driving Assistance: Pedestrians and Bicycles Accident Risk Estimation using Onboard Front Camera

    In this study, we propose a collision detection system by detecting and estimating the risk posed by pedestrians and bicycles in the images captured by a monocular onboard camera. In the proposed intrusion sys...

    Stephen Karungaru, Ryosuke Tsuji… in International Journal of Intelligent Trans… (2022)

  3. No Access

    Chapter and Conference Paper

    3D Shape Reconstruction of Japanese Traditional Puppet Head from CT Images

    In this paper, we discuss a 3D shape reconstruction method of Japanese traditional puppet heads for a digital archiving. Especially, to reconstruct an inner shape of head, we use CT images. First, we divide fo...

    Hiroyuki Ukida, Kouki Yamazoe, Masahide Tominaga… in Frontiers of Computer Vision (2022)

  4. No Access

    Article

    Effects of temperature during successive generations on life-history traits in a seed beetle Callosobruchus chinensis (Chrysomelidae: Coleoptera)

    Temperature is an important environmental factor for life-history traits in poikilothermic animals. Many of experiments on evolution have been conducted using Drosophila species, and effects on life-history trait...

    Kenji Terada, Kentarou Matsumura, Takahisa Miyatake in Applied Entomology and Zoology (2019)

  5. Article

    Open Access

    Macroscopic fundamental diagram in simple street networks

    Macroscopic fundamental diagrams (MFDs) on simple street networks are studied analytically and numerically. We consider nonlinear circuit model that consists of road elements with piecewise linear fundamental ...

    Naoki Yoshioka, Kenji Terada, Takashi Shimada… in Journal of Computational Social Science (2019)

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  6. No Access

    Article

    Fluid Coupled-DEM Simulation of Lateral Loading Experiment for Buried Pipe in Saturated Sand

    Two-dimensional simulation was carried out using a fluid coupled-DEM (discrete element method) analysis on lateral loading experiments for a pipe buried in saturated sand. The interaction between soil and pore...

    Kohei Ono, Kenji Terada, Yutaka Sawada… in Transportation Infrastructure Geotechnology (2018)

  7. No Access

    Chapter and Conference Paper

    Robust Online Reputation Mechanism by Stochastic Approximation

    Recently, online reputation mechanisms have attracted much attention in many areas. They have been widely adopted and worked well, although their reliability is still a major concern. Because of online propert...

    Takamichi Sakai, Kenji Terada… in Adaptive Agents and Multi-Agent Systems II (2005)

  8. No Access

    Chapter and Conference Paper

    False-Name-Proof Multi-unit Auction Protocol Utilizing Greedy Allocation Based on Approximate Evaluation Values

    This paper presents a new false-name-proof multi-unit auction protocol called Greedy ALlocation (GAL) protocol. Internet auctions have become an integral part of Electronic Commerce and a promising field for a...

    Kenji Terada, Makoto Yokoo in Intelligent Agents and Multi-Agent Systems (2002)