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K. Oki · SciRah

Researcher profile · Semantic Scholar

K. Oki

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K. Oki — researcher profile on SciRah

h-index: 17
Works: 96
Citations: 949

Most-cited papers

Characteristics of the 2011 Chao Phraya River flood in Central Thailand
D. Komori, S. Nakamura, M. Kiguchi, Asako Nishijima +5 more
2012215 citations Open access
Semantic Scholar
Accuracy and applicability of linear spectral unmixing in delineating potential erosion areas in tropical watersheds
A. M. de Asis, K. Omasa, K. Oki, Y. Shimizu
200845 citations
Semantic Scholar
Comparison between several feature extraction/classification methods for mapping complicated agricultural land use patches using airborne hyperspectral data
S. Lu, K. Oki, Y. Shimizu, K. Omasa
200740 citations
Semantic Scholar
Estimation of rice yield by SIMRIW-RS, a model that integrates remote sensing data into a crop growth model
M. Maki, Kosuke Sekiguchi, K. Homma, Y. Hirooka +1 more
201739 citations Open access
Semantic Scholar
Assessment of Chlorophyll-a Algorithms Considering Different Trophic Statuses and Optimal Bands
S. Salem, Hiroto Higa, Hyungjun Kim, H. Kobayashi +2 more
2017Italian National Conference on Sensors38 citations Open access
Semantic Scholar
Multi-Algorithm Indices and Look-Up Table for Chlorophyll-a Retrieval in Highly Turbid Water Bodies Using Multispectral Data
S. Salem, Hiroto Higa, Hyungjun Kim, K. Komatsu +3 more
2017Remote Sensing29 citations Open access
Semantic Scholar
Subpixel classification of alder trees using multitemporal LANDSAT Thematic Mapper imagery
M. Sugita, K. Oki, H. Oguma
200229 citations
Semantic Scholar
Downscaling of MODIS NDVI by Using a Convolutional Neural Network-Based Model with Higher Resolution SAR Data
Ryota Nomura, K. Oki
2021Remote Sensing28 citations Open access
Semantic Scholar
Using remotely sensed imagery to estimate potential annual pollutant loads in river basins.
B. He, K. Oki, Yi Wang, T. Oki
2009Water Science and Technology28 citations Open access
Semantic Scholar
Evaluation of MERIS Chlorophyll-a Retrieval Processors in a Complex Turbid Lake Kasumigaura over a 10-Year Mission
S. Salem, Marie Hayashi Strand, Hiroto Higa, Hyungjun Kim +3 more
2017Remote Sensing27 citations Open access
Semantic Scholar
Phytoalexin Activity in Barley Powdery Mildew
H. Oku, S. Ouchi, T. Shiraishi, Y. Komoto +1 more
197527 citations Open access
Semantic Scholar
Mapping the potential annual total nitrogen load in the river basins of Japan with remotely sensed imagery
K. Oki, Y. Yasuoka
200823 citations
Semantic Scholar
Rice-Planted Area Mapping Using Small Sets of Multi-Temporal SAR Data
Kanae Miyaoka, M. Maki, J. Susaki, K. Homma +2 more
2013IEEE Geoscience and Remote Sensing Letters20 citations
Semantic Scholar
Analysis of stream water quality and estimation of nutrient load with the aid of Quick Bird remote sensing imagery
B. He, K. Oki, Yi Wang, T. Oki +6 more
201220 citations Open access
Semantic Scholar
A new 500-m resolution map of canopy height for Amazon forest using spaceborne LiDAR and cloud-free MODIS imagery
Y. Sawada, R. Suwa, K. Jindo, T. Endo +11 more
2015International Journal of Applied Earth Observation and Geoinformation19 citations Open access
Semantic Scholar
Rice Production in Farmer Fields in Soil Salinity Classified Areas in Khon Kaen, Northeast Thailand
Yi Yang, Rong-Ling Ye, M. Srisutham, Thanyaluck Nontasri +5 more
2022Sustainability18 citations Open access
Semantic Scholar
Satellite-Based Drought Impact Assessment on Rice Yield in Thailand with SIMRIW-RS
M. Raksapatcharawong, Watcharee Veerakachen, K. Homma, M. Maki +1 more
2020Remote Sensing17 citations Open access
Semantic Scholar
Accuracy of land cover area estimated from coarse spatial resolution images using an unmixing method
K. Oki, T. Uenishi, K. Omasa, M. Tamura
200417 citations
Semantic Scholar
Why is the Ratio of Reflectivity Effective for Chlorophyll Estimation in the Lake Water?
K. Oki
2010Remote Sensing15 citations Open access
Semantic Scholar
Debates over dam removal in Japan
K. Noda, Junya Hamada, M. Kimura, K. Oki
201813 citations
Semantic Scholar
Spatial Assessment of the Alder Tree in Kushiro Mire, Japan using Remotely Sensed Imagery – Effects of the Surrounding Land Use on Kushiro Mire
K. Oki, Tsutomu Awadu, H. Oguma, K. Omasa
2005Environmental Monitoring & Assessment13 citations
Semantic Scholar
Estimation of chlorophyll concentration in lakes and inland seas with a field spectroradiometer above the water surface.
K. Oki, Y. Yasuoka
2002Applied Optics13 citations
Semantic Scholar
Estimation of Chlorophyll-a and Suspended Solids Concentration in Rich Concentration Water Area with Remote Sensing Technique
K. Oki, Y. Yasuoka, M. Tamura
200113 citations
Semantic Scholar
NEURAL NETWORK MODELING OF LAKE SURFACE CHLOROPHYLL AND SEDIMENT CONTENT FROM LANDSAT TM IMAGERY
P. Baruah, M. Tamura, K. Oki, H. Nishimura
200112 citations
Semantic Scholar
Mapping Snow Cover Using AVHRR/NDVI 10-day Composite Data
Sha Lu, K. Oki, K. Omasa
200511 citations Open access
Semantic Scholar
Neural network modeling of surface chlorophyll and sediment content in inland water from Landsat Thematic Mapper imagery using multidate spectrometer data
P. Baruah, M. Tamura, K. Oki, H. Nishimura
2002Optics + Photonics11 citations
Semantic Scholar
Estimation of Annual Total Nitrogen Load in Lake Basin with Remote Sensing
K. Oki, Y. Yasuoka
199710 citations
Semantic Scholar
Effect of Land Use Change Driven by Economic Growth on Sedimentation in River Reach in Southeast Asia
K. Noda, K. Yoshida, Hiroaki Shirakawa, U. Surahman +1 more
2017Journal of Agricultural Meteorology9 citations Open access
Semantic Scholar
Quantitative Evaluation of Spatial Distribution of Nitrogen Loading in the Citarum River Basin, Indonesia
K. Yoshida, Kenji Tanaka, K. Noda, K. Homma +4 more
20179 citations Open access
Semantic Scholar
The Effects of Five Forms of Capital on Thought Processes Underlying Water Consumption Behavior in Suburban Vientiane
Tatsuya Makino, K. Noda, Keoduangchai Keokhamphui, H. Hamada +2 more
20169 citations Open access
Semantic Scholar
Development of an Environmentally Advanced Basin Model in Asia
K. Oki, K. Noda, K. Yoshida, Issaku Azechi +4 more
20139 citations Open access
Semantic Scholar
Future Water Availability in the Asian Monsoon Region: A Case Study in Indonesia
K. Yoshida, Issaku Azechi, Ryunosuke Hariya, Kenji Tanaka +6 more
20138 citations
Semantic Scholar
An Agricultural Monitoring System Based on the Use of Remotely Sensed Imagery and Field Server Web Camera Data
K. Oki, S. Mitsuishi, Tetsu Ito, M. Mizoguchi
20098 citations Open access
Semantic Scholar
Estimating Soil Moisture Distributions across Small Farm Fields with ALOS/PALSAR
Yuki Kojima, K. Oki, K. Noborio, M. Mizoguchi
2016International Scholarly Research Notices7 citations Open access
Semantic Scholar
Evaluation of supervised classification algorithms for identifying crops using airborne hyperspectral data
K. Oki, Sha Lu, T. Saruwatari, T. Suhama +1 more
20067 citations
Semantic Scholar
Impact of Paddy Field Reservoirs on Flood Management in a Large River Basin of Japan
D. Saha, K. Oki, K. Yoshida, N. Hanasaki +1 more
2023Sustainability6 citations Open access
Semantic Scholar
A technique for mapping thermal infrared radiation variation within land cover
K. Oki, K. Omasa
2003IEEE Transactions on Geoscience and Remote Sensing6 citations
Semantic Scholar
Yearly change in severely salt-damaged areas in paddy fields in Ban Phai in Northeast Thailand
Yi Yang, M. Maki, Rong-Ling Ye, Daiki Saito +7 more
2022Hydrological Research Letters5 citations Open access
Semantic Scholar
Climate change impact on soil salt accumulation in Khon Kaen, Northeast Thailand
K. Yoshida, Supranee Sritumboon, M. Srisutham, K. Homma +2 more
2021Hydrological Research Letters5 citations Open access
Semantic Scholar
Seasonal characteristics of surface water quality in the wastewater catchment system of an urbanizing basin
M. Kimura, K. Noda, Tatsuya Makino, Hijiri Yamagata +6 more
2018Paddy and Water Environment5 citations
Semantic Scholar
Domestic Water Availability in Vientiane, Lao PDR
K. Noda, Tatsuya Makino, M. Kimura, S. Douangsavanh +4 more
20175 citations Open access
Semantic Scholar
Estimation of discharges at river mouth with MODIS image
Kohei Hashimoto, K. Oki
2013International Journal of Applied Earth Observation and Geoinformation5 citations Open access
Semantic Scholar
A land cover distribution composite image from coarse spatial resolution images using an unmixing method
T. Uenishi, K. Oki, K. Omasa, M. Tamura
20055 citations
Semantic Scholar
Detecting and Tracking the Positions of Wild Ungulates Using Sound Recordings
S. Salem, Kazuhiko Fujisao, M. Maki, Tadanobu Okumura +1 more
2021Italian National Conference on Sensors4 citations Open access
Semantic Scholar
Mapping of land degradation and its factors using landsat and DEM in the Western Australian wheatbelt
C. Kobayashi, K. Oki
2015IEEE International Geoscience and Remote Sensing Symposium4 citations
Semantic Scholar
Real-time monitoring of soil information in agricultural fields in Asia using Fieldserver
M. Mizoguchi, S. Mitsuishi, Tetsu Ito, K. Oki +4 more
20074 citations
Semantic Scholar
Development of health monitoring method for pecan nut trees using side video data and computer vision
Ryota Nomura, K. Oki
2021Optical Review3 citations Open access
Semantic Scholar
A decision-making model for rice paddy cropping in an urbanizing area of the Lao PDR
K. Noda, M. Maki, Kanae Miyaoka, K. Homma +2 more
2015Paddy and Water Environment3 citations
Semantic Scholar
Mapping Potential Annual Pollutant Loads in River Basins Using Remotely Sensed Imagery
K. Oki, B. He, T. Oki
20123 citations
Semantic Scholar
Application note: Accuracy comparison of cabbage coverage estimated from remotely sensed imagery using an unmixing method
K. Oki, M. Mizoguchi, K. Noborio, K. Yoshida +3 more
20113 citations
Semantic Scholar

Frequent co-authors

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M. Maki×11
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M. Maki — researcher profile on SciRah
K. Noda×10
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K. Noda — researcher profile on SciRah
K. Homma×9
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K. Homma — researcher profile on SciRah
K. Yoshida×9
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K. Yoshida — researcher profile on SciRah

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T. Oki — researcher profile on SciRah

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K. Omasa — researcher profile on SciRah

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M. Tamura — researcher profile on SciRah

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S. Salem — researcher profile on SciRah

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Y. Yasuoka — researcher profile on SciRah

Hiroaki Shirakawa×4

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H. Hamada — researcher profile on SciRah

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M. Mizoguchi — researcher profile on SciRah