Masahiko Nagai

29 papers A* 1C 6Journal 19Unranked 3
YearRankTypeTitle / Venue / Authors
2025 J jnl
Enhancing Satellite Image Coregistration Using Mirror Array as Artificial Point Source for Multisource Image Harmonization.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Muhammad Daniel Iman bin Hussain, Vaibhav Katiyar, Masahiko Nagai, Dorj Ichikawa
2024 J jnl
Aboveground Biomass Estimation and Time Series Analyses in Mongolian Grasslands Utilizing PlanetScope Imagery.
Remote. Sens.
Margad-Erdene Jargalsaikhan, Dorj Ichikawa, Masahiko Nagai, Tuvshintogtokh Indree, Vaibhav Katiyar, Davaagerel Munkhtur, Erdenebaatar Dashdondog
2024 C conf
Analyzing Grazing-Induced Changes in Mongolian Grasslands using Planetscope Imagery.
IGARSS
Margad-Erdene Jargalsaikhan, Dorj Ichikawa, Masahiko Nagai, Tuvshintogtokh Indree, Vaibhav Katiyar
2023 J jnl
Distribution of Enhanced Potentially Toxic Element Contaminations Due to Natural and Coexisting Gold Mining Activities Using Planet Smallsat Constellations.
Remote. Sens.
Satomi Kimijima, Masahiko Nagai, Masayuki Sakakibara
2023 J jnl
High Spatiotemporal Flood Monitoring Associated with Rapid Lake Shrinkage Using Planet Smallsat and Sentinel-1 Data.
Remote. Sens.
Satomi Kimijima, Masahiko Nagai
2023 J jnl
Monitoring Mining-Induced Geo-Hazards in a Contaminated Mountainous Region of Indonesia Using Satellite Imagery.
Remote. Sens.
Satomi Kimijima, Masahiko Nagai
2023 C conf
The Transfer Learning For the LULC Classification and the Effect of Satellite Data Harmonization Over It.
IGARSS
Vaibhav Katiyar, Dorj Ichikawa, Nopphawan Tamkuan, Masahiko Nagai
2022 J jnl
Coastal Vulnerability Assessment of Bali Province, Indonesia Using Remote Sensing and GIS Approaches.
Remote. Sens.
Amandangi Wahyuning Hastuti, Masahiko Nagai, Komang Iwan Suniada
2022 J jnl
Development and Utilization of a Mirror Array Target for the Calibration and Harmonization of Micro-Satellite Imagery.
Remote. Sens.
Dorj Ichikawa, Masahiko Nagai, Nopphawan Tamkuan, Vaibhav Katiyar, Tsuyoshi Eguchi, Yumiko Nagai
2022 J jnl
Investigation of Cultural-Environmental Relationships for an Alternative Environmental Management Approach Using Planet Smallsat Constellations and Questionnaire Datasets.
Remote. Sens.
Satomi Kimijima, Masahiko Nagai, Masayuki Sakakibara, Mohamad Jahja
2022 C conf
Optical Multi-Satellite data Calibration for Image Integration and Harmonization.
IGARSS
Nopphawan Tamkuan, Dorj Ichikawa, Vaibhav Katiyar, Yumiko Nagai, Tsuyoshi Eguchi, Masahiko Nagai
2021 J jnl
Near-Real-Time Flood Mapping Using Off-the-Shelf Models with SAR Imagery and Deep Learning.
Remote. Sens.
Vaibhav Katiyar, Nopphawan Tamkuan, Masahiko Nagai
2020 C conf
Observation of crop growth condition in different regions of Uzbekistan.
IGARSS
Dorj Ichikawa, Masahiko Nagai, Kazuya Imaki, Kadambay Saytov, Nuriddin Abdujabarov, Takashi Ikeda
2019 J jnl
Bangkok CCTV Image through a Road Environment Extraction System Using Multi-Label Convolutional Neural Network Classification.
ISPRS Int. J. Geo Inf.
Chairath Sirirattanapol, Masahiko Nagai, Apichon Witayangkurn, Surachet Pravinvongvuth, Mongkol Ekpanyapong
2018 J jnl
A Taxi Zoning Analysis Using Large-Scale Probe Data: A Case Study for Metropolitan Bangkok.
Rev. Socionetwork Strateg.
Apantri Peungnumsai, Apichon Witayangkurn, Masahiko Nagai, Hiroyuki Miyazaki
2018 J jnl
Agent-Based Modeling of Taxi Behavior Simulation with Probe Vehicle Data.
ISPRS Int. J. Geo Inf.
Saurav Ranjit, Apichon Witayangkurn, Masahiko Nagai, Ryosuke Shibasaki
2018 J jnl
Forecasting Transplanted Rice Yield at the Farm Scale Using Moderate-Resolution Satellite Imagery and the AquaCrop Model: A Case Study of a Rice Seed Production Community in Thailand.
ISPRS Int. J. Geo Inf.
Kulapramote Prathumchai, Masahiko Nagai, Nitin K. Tripathi, Nophea Sasaki
2017 — conf
Bangkok Taxi Service Behavior Analysis using Taxi Probe Data and Questionnaire Survey.
MISNC
Apantri Peungnumsai, Apichon Witayangkurn, Masahiko Nagai, Ayumi Arai, Saurav Ranjit, Bhoj Raj Ghimire
2017 J jnl
Fusion of Multi-Temporal Interferometric Coherence and Optical Image Data for the 2016 Kumamoto Earthquake Damage Assessment.
ISPRS Int. J. Geo Inf.
Nopphawan Tamkuan, Masahiko Nagai
2016 C conf
An automated method for time-series human settlement mapping using Landsat data and existing land cover maps.
IGARSS
Hiroyuki Miyazaki, Ryosuke Shibasaki, Masahiko Nagai
2015 — conf
Large Scale Mobility Analysis: Extracting Significant Places Using Hadoop/Hive and Spatial Processing.
KICSS
Apichon Witayangkurn, Teerayut Horanont, Masahiko Nagai, Ryosuke Shibasaki
2015 J jnl
Reviews of Geospatial Information Technology and Collaborative Data Delivery for Disaster Risk Management.
ISPRS Int. J. Geo Inf.
Hiroyuki Miyazaki, Masahiko Nagai, Ryosuke Shibasaki
2014 J jnl
Carbon Stock Assessment Using Remote Sensing and Forest Inventory Data in Savannakhet, Lao PDR.
Remote. Sens.
Phutchard Vicharnakorn, Rajendra Prasad Shrestha, Masahiko Nagai, Abdul P. Salam, Somboon Kiratiprayoon
2013 — conf
Earth Observation Data Interoperability Arrangement with Vocabulary Registry.
ISIP
Masahiko Nagai, Ashik Rajbhandari, Masafumi Ono, Ryosuke Shibasaki
2013 J jnl
Extraction of Mangrove Biophysical Parameters Using Airborne LiDAR.
Remote. Sens.
Wasinee Wannasiri, Masahiko Nagai, Kiyoshi Honda, Phisan Santitamnont, Poonsak Miphokasap
2012 J jnl
Estimating Canopy Nitrogen Concentration in Sugarcane Using Field Imaging Spectroscopy.
Remote. Sens.
Poonsak Miphokasap, Kiyoshi Honda, Chaichoke Vaiphasa, Marc Souris, Masahiko Nagai
2012 C conf
Improving Disaster Responsiveness using a Mix of Social Media and e-Government.
KEOD
Asanee Kawtrakul, Intiraporn Mulasastra, Hutchatai Chanlekha, Sachit Rajbhandari, Kulapramote Prathumchai, Masahiko Nagai, Vasuthep Khunthong
2009 J jnl
UAV-Borne 3-D Mapping System by Multisensor Integration.
IEEE Trans. Geosci. Remote. Sens.
Masahiko Nagai, Tianen Chen, Ryosuke Shibasaki, Hideo Kumagai, Afzal Ahmed
1994 A* conf
VFSIM: Vectorized Fault Simulator Using a Reduction Technique Excluding Temporarily Unobservable Faults.
DAC
Takaharu Nagumo, Masahiko Nagai, Takao Nishida, Masayuki Miyoshi, Shunsuke Miyamoto