Digital EcosphereScience · Technology · Society

Scholarly record

Research Publications

A curated record of peer-reviewed journal articles, conference proceedings, and scholarly abstracts in remote sensing, vegetation science, land-cover monitoring, and geospatial analysis.

35Journal articles
11Proceedings & abstracts
46Listed works

46 works shown

Peer-reviewed scholarship

Journal articles

35 works

2025

2025 Peer-reviewed journal article

A Multimodal and Meta-Learning Approach for Improved Estimation of 3D Vegetation Structure from Satellite Imagery

Sharma, R.C.

Applied Geomatics 17, 255–268

DOI: 10.1007/s12518-025-00619-5
2025 Peer-reviewed journal article

Land Cover Classification for Siberia Leveraging Diverse Global Land Cover Datasets

Beak, M.; Ichii, K.; Yamamoto, Y.; Wang, R.; Zhang, B.; Sharma, R.C.; Hiyama, T.

Progress in Earth and Planetary Science 12, Article 3

DOI: 10.1186/s40645-024-00672-5
2025 Peer-reviewed journal article

Estimation and Evaluation of Land Surface Reflectance from a Next-Generation Geostationary Meteorological Satellite, Himawari-8/9 AHI

Li, W.; Ichii, K.; Zhang, B.; Yamamoto, Y.; Yang, W.; Miura, T.; Yoshioka, H.; Matsuoka, M.; Obata, K.; Sharma, R.C.; et al.

Journal of the Meteorological Society of Japan, Series II 103(1), 87–109

DOI: 10.2151/jmsj.2025-005
2025 Peer-reviewed journal article

Evaluation of Himawari-8/AHI Land Surface Reflectance at Mid-Latitudes Using LEO Sensors with Off-Nadir Observation

Zhang, B.; Ichii, K.; Li, W.; Yamamoto, Y.; Yang, W.; Sharma, R.C.; Yoshioka, H.; et al.

Remote Sensing of Environment 316, 114491

DOI: 10.1016/j.rse.2024.114491

2022

2022 Peer-reviewed journal article

Dominant Species-Physiognomy-Ecological (DSPE) System for the Classification of Plant Ecological Communities from Remote Sensing Images

Sharma, R.C.

Ecologies 3(3), 323–335

DOI: 10.3390/ecologies3030025
2022 Peer-reviewed journal article

Countrywide Mapping of Plant Ecological Communities with 101 Legends Including Land Cover Types for the First Time at 10 m Resolution Through Convolutional Learning of Satellite Images

Sharma, R.C.

Applied Sciences 12(14), 7125

DOI: 10.3390/app12147125
2022 Peer-reviewed journal article

An Ultra-Resolution Features Extraction Suite for Community-Level Vegetation Differentiation and Mapping at a Sub-Meter Resolution

Sharma, R.C.

Remote Sensing 14(13), 3145

DOI: 10.3390/rs14133145
2022 Peer-reviewed journal article

Classification and Mapping of Plant Communities Using Multi-Temporal and Multi-Spectral Satellite Images

Sharma, R.C.; Hirayama, H.; Yasuda, M.; Asai, M.; Hara, K.

Journal of Geography and Geology 14(1), 43–57

DOI: 10.5539/jgg.v14n1p43
2022 Peer-reviewed invited article

衛星データを用いた植生分類に向けた深層学習の適用可能性の評価 (Evaluation of Applicability of Deep Learning for Vegetation Classification Using Satellite Data)

Sharma, R.C.; Hirayama, H.; Hara, K.

Journal of the Japan Society of Photogrammetry and Remote Sensing 61(3), 116–118

2021

2021 Peer-reviewed journal article

Genus-Physiognomy-Ecosystem (GPE) System for Satellite-Based Classification of Plant Communities

Sharma, R.C.

Ecologies 2(2), 203–213

DOI: 10.3390/ecologies2020012
2021 Peer-reviewed journal article

Self-Supervised Learning of Satellite-Derived Vegetation Indices for Clustering and Visualization of Vegetation Types

Sharma, R.C.; Hara, K.

Journal of Imaging 7(2), 30

DOI: 10.3390/jimaging7020030
2021 Peer-reviewed journal article

Vegetation Structure Index (VSI): Retrieving Vegetation Structural Information from Multi-Angular Satellite Remote Sensing

Sharma, R.C.

Journal of Imaging 7(5), 84

DOI: 10.3390/jimaging7050084

2020

2020 Peer-reviewed journal article

Effectiveness of Sentinel-1-2 Multi-Temporal Composite Images for Land-Cover Monitoring in the Indochinese Peninsula

Hoan, N.T.; Sharma, R.C.; Van Dung, N.; Tung, D.X.

Journal of Geoscience and Environment Protection 8(9), 24–32

DOI: 10.4236/gep.2020.89002

2019

2019 Peer-reviewed journal article

Spectral Features for the Detection of Land Cover Changes

Sharma, R.C.; Nguyen, H.T.; Gharechelou, S.; Bai, X.; Nguyen, L.V.; Tateishi, R.

Journal of Geoscience and Environment Protection 7(5), 81–93

DOI: 10.4236/gep.2019.75009
2019 Peer-reviewed journal article

Evaluating Multiple Classifier System for the Reduction of Salt-and-Pepper Noise in the Classification of Very-High-Resolution Satellite Images

Hirayama, H.; Sharma, R.C.; Tomita, M.; Hara, K.

International Journal of Remote Sensing 40(7), 2542–2557

DOI: 10.1080/01431161.2018.1528400

2018

2018 Peer-reviewed journal article

Assessing the Effects of Land-Use Types in Surface Urban Heat Islands for Developing Comfortable Living in Hanoi City

Nguyen, T.H.; Liou, Y.-A.; Nguyen, K.-A.; Sharma, R.C.; Tran, D.-P.; Liou, C.-L.; Cham, D.D.

Remote Sensing 10(12), 1965

DOI: 10.3390/rs10121965
2018 Peer-reviewed journal article

Characterization of Vegetation Physiognomic Types Using Bidirectional Reflectance Data

Sharma, R.C.; Hara, K.

Geosciences 8(11), 394

DOI: 10.3390/geosciences8110394
2018 Peer-reviewed journal article

Developing Forest Cover Composites Through a Combination of Landsat-8 Optical and Sentinel-1 SAR Data for the Visualization and Extraction of Forested Areas

Sharma, R.C.; Hara, K.; Tateishi, R.

Journal of Imaging 4(9), 105

DOI: 10.3390/jimaging4090105
2018 Peer-reviewed journal article

Improvement of Countrywide Vegetation Mapping over Japan and Comparison to Existing Maps

Sharma, R.C.; Hara, K.; Hirayama, H.

Advances in Remote Sensing 7(3), 163–170

DOI: 10.4236/ars.2018.73011

2017

2017 Peer-reviewed journal article

A Detailed and High-Resolution Land Use and Land Cover Change Analysis over the Past 16 Years in the Horqin Sandy Land, Inner Mongolia

Bai, X.; Sharma, R.C.; Tateishi, R.; Kondoh, A.; Wuliangha, B.; Tana, G.

Mathematical Problems in Engineering 2017, Article 1316505

DOI: 10.1155/2017/1316505
2017 Peer-reviewed journal article

A Machine Learning and Cross-Validation Approach for the Discrimination of Vegetation Physiognomic Types Using Satellite-Based Multispectral and Multitemporal Data

Sharma, R.C.; Hara, K.; Hirayama, H.

Scientifica 2017, Article 9806479

DOI: 10.1155/2017/9806479
2017 Peer-reviewed journal article

Earthquake Damage Visualization (EDV) Technique for the Rapid Detection of Earthquake-Induced Damages Using SAR Data

Sharma, R.C.; Tateishi, R.; Hara, K.; Nguyen, H.T.; Gharechelou, S.; Nguyen, L.V.

Sensors 17(2), 235

DOI: 10.3390/s17020235
2017 Peer-reviewed journal article

High-Resolution Vegetation Mapping in Japan by Combining Sentinel-2 and Landsat 8 Based Multi-Temporal Datasets Through Machine Learning and Cross-Validation Approach

Sharma, R.C.; Hara, K.; Tateishi, R.

Land 6(3), 50

DOI: 10.3390/land6030050
2017 Peer-reviewed journal article

Production of Multi-Features Driven Nationwide Vegetation Physiognomic Map and Comparison to MODIS Land Cover Type Product

Sharma, R.C.; Hara, K.; Hirayama, H.; Harada, I.; Hasegawa, D.; Tomita, M.; Park, J.G.; Asanuma, I.; Short, K.M.; Hara, M.; et al.

Advances in Remote Sensing 6(1), 54–65

DOI: 10.4236/ars.2017.61004

2016

2016 Peer-reviewed journal article

A Biophysical Image Compositing Technique for the Global-Scale Extraction and Mapping of Barren Lands

Sharma, R.C.; Tateishi, R.; Hara, K.

ISPRS International Journal of Geo-Information 5(12), 225

DOI: 10.3390/ijgi5120225
2016 Peer-reviewed journal article

Global Mapping of Urban Built-Up Areas of Year 2014 by Combining MODIS Multispectral Data with VIIRS Nighttime Light Data

Sharma, R.C.; Tateishi, R.; Hara, K.; Gharechelou, S.; Iizuka, K.

International Journal of Digital Earth 9(10), 1004–1020

DOI: 10.1080/17538947.2016.1168879
2016 Peer-reviewed journal article

Mapping Tropical Forest Biomass by Combining ALOS-2, Landsat 8, and Field Plots Data

Nguyen, L.V.; Tateishi, R.; Kondoh, A.; Sharma, R.C.; Nguyen, H.T.; To, T.T.; Minh, D.H.T.

Land 5(4), 31

DOI: 10.3390/land5040031
2016 Peer-reviewed journal article

Production of the Japan 30-m Land Cover Map of 2013–2015 Using a Random Forests-Based Feature Optimization Approach

Sharma, R.C.; Tateishi, R.; Hara, K.; Iizuka, K.

Remote Sensing 8(5), 429

DOI: 10.3390/rs8050429
2016 Peer-reviewed journal article

Soil Moisture Mapping in an Arid Area Using a Land Unit Area (LUA) Sampling Approach and Geostatistical Interpolation Techniques

Gharechelou, S.; Tateishi, R.; Sharma, R.C.; Johnson, B.A.

ISPRS International Journal of Geo-Information 5(3), 35

DOI: 10.3390/ijgi5030035
2016 Peer-reviewed journal article

A New Water-Resistant Snow Index for the Detection and Mapping of Snow Cover on a Global Scale

Sharma, R.C.; Tateishi, R.; Hara, K.

International Journal of Remote Sensing 37(11), 2706–2723

DOI: 10.1080/01431161.2016.1183832
2016 Peer-reviewed journal article

Estimation of Tropical Forest Structural Characteristics Using ALOS-2 SAR Data

Nguyen, L.V.; Tateishi, R.; Nguyen, H.T.; Sharma, R.C.; To, T.T.; Le, S.M.

Advances in Remote Sensing 5(2), 131–144

DOI: 10.4236/ars.2016.52011

2015

2015 Peer-reviewed journal article

Developing Superfine Water Index (SWI) for Global Water Cover Mapping Using MODIS Data

Sharma, R.C.; Tateishi, R.; Hara, K.; Nguyen, L.V.

Remote Sensing 7(10), 13807–13841

DOI: 10.3390/rs71013807

2013

2013 Peer-reviewed journal article

Automated Extraction of Canopy Shadow Fraction Using Unmanned Helicopter-Based Color Vegetation Indices

Sharma, R.C.; Kajiwara, K.; Honda, Y.

Trees – Structure and Function 27(3), 675–684

DOI: 10.1007/s00468-012-0822-4
2013 Peer-reviewed journal article

Estimation of Forest Canopy Structural Parameters Using Kernel-Driven Bi-Directional Reflectance Model Based Multi-Angular Vegetation Indices

Sharma, R.C.; Kajiwara, K.; Honda, Y.

ISPRS Journal of Photogrammetry and Remote Sensing 78, 50–57

DOI: 10.1016/j.isprsjprs.2012.12.006

2006

2006 Peer-reviewed journal article

Urban Forestry in Kathmandu Valley: Problems and Prospects

Gautam, S.K.; Thapa, H.B.; Sharma, R.C.

Banko Janakari 16(2), 64–70

DOI: 10.3126/banko.v16i2.994

Conference scholarship

Proceedings and abstracts

11 works

2023

2023 Conference abstract

Evaluation of Himawari-8/AHI Land Surface Reflectance at Mid-Latitudes Using LEO Sensor with Off-Nadir Cameras

Zhang, B.; Ichii, K.; Li, W.; Yamamoto, Y.; Yang, W.; Sharma, R.C.; Yoshioka, H.; et al.

AGU Fall Meeting Abstracts 2023, B43J-2694

2023 Conference abstract

Estimating LAI/FPAR Using Hyper-Temporal Observations by Himawari-8 AHI

Sharma, R.C.; Hasimoto, T.; Yamamoto, Y.; Yang, W.; Li, W.; Zhang, B.; Ichii, K.

AGU Fall Meeting Abstracts 2023, B43J-2689

2023 Conference abstract

Monitoring Seasonal Variations in Terrestrial Gross Primary Productivity Across Southeast Asia Using Himawari-8 Geostationary Satellite Data

Ichii, K.; Yamamoto, Y.; Li, W.; Zhang, B.; Sharma, R.C.; Miura, T.

AGU Fall Meeting Abstracts 2023, B11D-08

2023 Conference abstract

Improving Land Surface Reflectance Evaluation Through BRDF Information Retrieval from Himawari-8/AHI

Li, W.; Ichii, K.; Zhang, B.; Yamamoto, Y.; Yang, W.; Sharma, R.C.; Yoshioka, H.; et al.

AGU Fall Meeting Abstracts 2023, B43J-2693

2021

2021 Peer-reviewed conference proceedings

Examination of Time-Series Generation Method of Satellite Data for Vegetation Mapping in a Cloudy Region

Hirayama, H.; Sharma, R.C.; Hara, K.

Proceedings of the 42nd Asian Conference on Remote Sensing, 1217–1223

2019

2019 Peer-reviewed conference proceedings

Mapping of the Altitudinal and Topographical Patterns of Mountainous Vegetation in Northeast Japan

Sharma, R.C.; Hirayama, H.; Tomita, M.; Hara, K.

Proceedings of the 40th Asian Conference on Remote Sensing, 2242–2250

2019 Peer-reviewed conference proceedings

Land-Cover Maps Using Multiple Classifier System for Post-Disaster Landscape Monitoring

Hirayama, H.; Tomita, M.; Sharma, R.C.; Hara, K.

International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W8, 139–142

DOI: 10.5194/isprs-archives-XLII-3-W8-139-2019

2018

2018 Peer-reviewed conference proceedings

Landsat 8 Satellite Data Based High-Resolution Vegetation Mapping in the Island of Hokkaido, Japan

Sharma, R.C.; Hirayama, H.; Hara, K.

Proceedings of the 39th Asian Conference on Remote Sensing, Vol. 5, 2859–2865

2012

2012 Peer-reviewed conference proceedings

Land Validation for GCOM-C1/SGLI Using UAV

Honda, Y.; Kajiwara, K.; Sharma, R.; Ono, A.; Imaoka, K.; Murakami, H.; Hori, M.; Ono, Y.; Rostand, D.

Proceedings of SPIE, Sensors, Systems, and Next-Generation Satellites XVI, Vol. 8533

DOI: 10.1117/12.975802
2012 Peer-reviewed conference proceedings

Overview of GCOM-C1/SGLI Science

Honda, Y.; Kajiwara, K.; Sharma, R.; Ono, A.; Imaoka, K.; Murakami, H.; Hori, M.; Ono, Y.; Rostand, D.

Proceedings of SPIE, Earth Observing Missions and Sensors, Vol. 8528, 852817

DOI: 10.1117/12.977772

2010

2010 Conference proceedings

Towards the Improvement on a Satellite-Based Modeling of Gross Primary Production at Temperate Humid Forest

Sharma, R.C.; Kajiwara, K.; Honda, Y.

ISPRS Proceedings, Commission I