Research Interests

Applications of deep learning models in high-resolution satellite data

Burned area mapping using remote sensing imagery

Land cover and land use change detection

Recent Grants

Giglio, L., Roy, D.P., Hall, J.V., Zubkova, M., Santamaría-Artigas, A.E., Huang, H., Yan, L. A Five-Decade Multi-Sensor Global Burned Area Data Record. Funded by NASA NNH22ZDA001N-MEASURES Making Earth System Data Records for Use in Research Environments program. Total 5 year budget $831,928 for December 2023 – December 2028.

Roy, D.P., Huang, H., Evaluation of BlackSky Optical Imagery for burned area mapping applications. This is an augmentation of our NASA grant “Where are the missing burned areas? Global hotspots of burned area – a multiresolution analysis.” Funded by NASA Land-Cover/Land-Use Change (NNH20ZDA001N-LCLUC) program. Total 1year budget $71,667 for March 2022 – March 2023.

Roy, D.P., Huang, H., Boschetti, L., Giglio. L., Where are the missing burned areas? Global hotspots of burned area – a multiresolution analysis. Funded by NASA Land-Cover/Land-Use Change (NNH20ZDA001N-LCLUC) program. Total 3 year budget $765,103 for January 2021 – December 2023 (extended to December 2024).

Roy, D.P., Wei, G., Huang, H., Egorov, A., Machine learning PLANET high resolution training data for medium resolution land cover and disturbance mapping. Funded by the NASA NNH19ZDA001N-ACCESS Advancing Collaborative Connections for Earth System Science program. Total 3 year budget $1,033,956 for October 2020 – September 2023.

Roy, D.P., Boschetti, L., Huang, H., Commercial satellite data evaluation for burned area mapping and validation of Landsat-8 Sentinel-2 African burned area product. This is an augmentation of our NASA proposal “Africa burned area product generation, quality assessment and validation – demonstrating a Multi-Source Land Imaging (MuSLI) Landsat-8 Sentinel-2 capability”. Funded by the NASA NNH17ZDA001N-LCLUC Land-Cover/Land-Use Change program. Total 1 year budget $115,264 for January 2019 – December 2019.

Roy, D.P., Boschetti, L., Huang, H., Africa burned area product generation, quality assessment and validation – demonstrating a Multi-Source Land Imaging (MuSLI) Landsat-8 Sentinel-2 capability. Funded by the NASA NNH17ZDA001N-LCLUC Land-Cover/Land-Use Change program. Total 3 year budget $1,102,045 for May 2018 –May 2021

Publications

google scholar 

Huang, H, Roy, D.P., De Lemos, H., Qiu, Y., Zhang, H., 2024. A global Swin-Unet Sentinel-2 surface reflectance-based cloud and cloud shadow detection algorithm for the NASA Harmonized Landsat Sentinel-2 (HLS) dataset, Science of Remote Sensing, accepted.

Roy, D. P., De Lemos, H., Huang, H., Giglio, L., Houborg, R., Miura, T. 2024. Multi-resolution monitoring of the 2023 Maui wildfires, implications and needs for satellite-based wildfire disaster monitoring. Science of Remote Sensing, 100142.

 Huang, H. and Roy, D.P., 2021. Characterization of Planetscope-0 Planetscope-1 surface reflectance and normalized difference vegetation index continuity. Science of Remote Sensing, 3, 100014.

 Martins, V. S., Roy, D. P., Huang, H., Boschetti, L., Zhang, H. K., & Yan, L. (2022). Deep learning high resolution burned area mapping by transfer learning from Landsat-8 to PlanetScope. Remote Sensing of Environment, 280, 113203

Roy, D.P, Huang, H., Houborg, R., Martins,V., 2021, A global analysis of the temporal availability of PlanetScope high spatial resolution multi-spectral imagery. Remote Sensing of Environment, 264,112586.

 Roy, D.P., Li, Z., Giglio, L., Boschetti, L., Huang, H., 2021, Spectral and diurnal temporal suitability of GOES Advanced Baseline Imager (ABI) reflectance for burned area mapping, International Journal of Applied Earth Observations and Geoinformation, 96, 102271.

Roy, D.P., Li, Z., Zhang, H.K. and Huang, H., 2020. A conterminous United States analysis of the impact of Landsat 5 orbit drift on the temporal consistency of Landsat 5 Thematic Mapper data. Remote Sensing of Environment, 240, 111701.

Li, Z., Zhang, H.K., Roy, D.P., Yan, L. and Huang, H., 2020. Sharpening the Sentinel-2 10 and 20 m Bands to Planetscope-0 3 m Resolution. Remote Sensing, 12(15), 2406.

Boschetti, L., Roy, D.P., Giglio, L., Huang, H., Zubkova, M. and Humber, M.L., 2019. Global validation of the collection 6 MODIS burned area product. Remote Sensing of Environment, 235, 111490.

Roy, D.P., Huang, H., Boschetti, L., Giglio, L., Yan, L., Zhang, H.H. and Li, Z., 2019. Landsat-8 and Sentinel-2 burned area mapping-A combined sensor multi-temporal change detection approach. Remote Sensing of Environment, 231, 111254.

Kong, X., Guan, X., Cao, C., Zhang, T., Shen, L., Gan, Z., Ma, J. and Huang, H., 2019. Decadal change in soil moisture over East Asia in response to a decade‐long warming hiatus. Journal of Geophysical Research: Atmospheres, 124(15), 8619-8630.

Xu, Y., Iida, Y., Huang, H., Shi, Z., Franklin, S.B., Luo, Y., Bao, D., Qiao, X., Lu, Z. and Jiang, M., 2019. Linkages between tree architectural designs and life-history strategies in a subtropical montane moist forest. Forest Ecology and Management, 438, 1-9.

Gan, Z., Guan, X., Kong, X., Guo, R., Huang, H., Huang, W. and Xu, Y., 2019. The key role of Atlantic Multidecadal Oscillation in minimum temperature over North America during global warming slowdown. Earth and Space Science, 6(3), 387-397.

Egorov, A.V., Roy, D.P., Zhang, H.K., Li, Z., Yan, L. and Huang, H., 2019. Landsat 4, 5 and 7 (1982 to 2017) Analysis Ready Data (ARD) observation coverage over the conterminous United States and implications for terrestrial monitoring. Remote Sensing, 11(4),447

 Yan, L., Roy, D.P., Li, Z., Zhang, H.K. and Huang, H., 2018. Sentinel-2A multi-temporal misregistration characterization and an orbit-based sub-pixel registration methodology. Remote Sensing of Environment, 215, 495-506.

Zhang, H.K., Roy, D.P., Yan, L., Li, Z., Huang, H., Vermote, E., Skakun, S. and Roger, J.C., 2018. Characterization of Sentinel-2A and Landsat-8 top of atmosphere, surface, and nadir BRDF adjusted reflectance and NDVI differences. Remote sensing of environment, 215, 482-494.

Roy, D.P., Li, J., Zhang, H.K., Yan, L., Huang, H. and Li, Z., 2017. Examination of Sentinel-2A multi-spectral instrument (MSI) reflectance anisotropy and the suitability of a general method to normalize MSI reflectance to nadir BRDF adjusted reflectance. Remote Sensing of Environment, 199, 25-38.

Wang, J., Qi, M., Huang, H., Ye, R., Li, X. and Stewart, C.N., 2017. Atmospheric pollen dispersion from herbicide-resistant horseweed (Conyza canadensis L.). Aerobiologia, 33(3), 393-406.

Li, Z., Zhang, H.K., Roy, D.P., Yan, L., Huang, H. and Li, J., 2017. Landsat 15-m panchromatic-assisted downscaling (LPAD) of the 30-m reflective wavelength bands to Sentinel-2 20-m resolution. Remote Sensing, 9(7), 755.

Huang, H., Roy, D.P., Boschetti, L., Zhang, H.K., Yan, L., Kumar, S.S., Gomez-Dans, J. and Li, J., 2016. Separability analysis of Sentinel-2A Multi-Spectral Instrument (MSI) data for burned area discrimination. Remote Sensing, 8(10), 873.

Recent Presentations

Cho, M.S., Roy, D.P., Huang, H., Yuean, Q., Hugo, D.L., Significantly improved GEDI canopy height estimation in tropical and temperate forests by Airborne Laser Scanner (ALS) surface and then canopy height calibration, Poster in Advances in Tracking Global Change: Insights from NASA’s Satellite Laser Altimetry Missions (ICESat, ICESat-2, and GEDI) and the Path to EDGE I session, Fall Meeting, AGU, Washington D.C., 9-13 December 2024.

Qiu, Y., Roy, D.P., Zhang, H.K., Huang, H., Self-supervised deep learning Forest Cover Loss detection over the Conterminous United States, Poster in Earth Observation–Based Methods to Monitor Forest Loss, Degradation, and Growth, Fall Meeting, AGU, Washington D.C., 9-13 December 2024.

Zubkova, M., Giglio, L., Boschetti, L., Roy, D.P., Hall, J., Humber, M., Huang, H., Oles, V., The NASA Visible Infrared Imaging Radiometer Suite (VIIRS) burned area product - VNP64A1, Poster in The Role of Fire in the Earth System: Understanding Drivers, Feedbacks, and Interactions with the Land, Atmosphere, and Society, Fall Meeting, AGU, Washington D.C., 9-13 December 2024.

Roy, D.P., Huang, H., De Lemos, H., Qiu, Y., Artificial Intelligence for high spatial resolution satellite fire monitoring, Workshop on Cross-Disciplinary Challenges and Opportunities in AI Applications to Science and Engineering (C²OA²SE), Michigan Tech Research Institute, Ann Arbor, Michigan, 6-8 November 2024.

Roy, D.P., De Lemos, H., Huang, H., Giglio, L., Houborg, R., Miura, T., Multi-resolution Monitoring of the 2023 Maui Wildfires, Implications and Recommendations for a Dedicated Fire Monitoring Satellite Constellation, 13th EARSeL Workshop on Forest Fires, Consiglio Nazionale delle Ricerche (CNR), Milan, Italy, 19-20  September 2024.

Roy, D.P., De Lemos, H., Huang, H., Giglio, L., Houborg, R., Miura, T., Multi-resolution monitoring of the 2023 Maui wildfires, M-AG32 Satellite Land Processes Monitoring, Japan Geoscience Union Meeting 2024, Makuhari Messe, Chiba, Japan, May 26-31 2024.

Roy, D., De Lemos, H., Huang, H., Giglio, L., Houborg, R., Miura, T., Multi-resolution Monitoring of the 2023 Maui Wildfires, Implications and Recommendations for a Dedicated Fire Monitoring Satellite Constellation, 13th EARSeL Workshop on Forest Fires, Consiglio Nazionale delle Ricerche (CNR), Milan, Italy, 19-20 September 2024.

Huang H., Roy, D.P., De Lemos, H., Zhang, H.K.,, Luo, D., Boschetti, L., High resolution burned area mapping by deep learning PlanetScope image pairs, Oral presentation in IN34B - Commercial Earth Observation Data: Research and Applications II, Fall Meeting, AGU, San Francisco, December 11-15, 2023.

Roy, D.P., Huang, H., De Lemos, H., Deep learning high resolution burned area mapping using multi-date commercial satellite data, Michigan Tech Research Institute seminar, Ann Arbor, December 1, 2023.

Roy, D.P., Huang, H., De Lemos, H., Deep learning high resolution burned area mapping, 6th GWIS and GOFC-GOLD Fire IT meeting, Canadian Space Agency, 6767 Route de l'Aéroport Borough of Saint-Hubert Longueuil, Quebec, November 14-15, 2023.

Roy, D.P., Huang, H., Boschetti, L., De Lemos, H., Giglio, L., Where are the Missing Burned Areas? Global Hotspots of Burned Area - A Multiresolution Analysis, NASA Land Cover Land Use Change (LCLUC) Program Webinar, October 13, 2023.

Roy, D.P., Huang, H., De Lemos, J., Deep learning high resolution burned area mapping, Invited Fire Seminar, Kings College, London, U.K., September 5, 2023.

Roy, D.P., Huang, H., Boschetti, L., Giglio, L., NASA Harmonized Landsat Sentinel-2 (HLS) burned area product generation, comparison with the NASA 500 m burned area product, validation with 3 m PlanetScope burned area data, Japanese Geoscience Union meeting, Makuhari Messe, Chiba, Japan, May 21-26, 2023.

Roy, D.P., Huang, H., Martins, V., Boschetti, L., Africa burned area product generation and validation with Landsat-8, Sentinel-2 and commercial Planetscope imagery, 11th Southern African Fire Network (SAFNet) online meeting, July 28-29 2021.

Huang, H., Roy, D.P., Boschetti, L., De Lemos, H., Giglio, L., Where are the Missing Burned Areas? Global Hotspots of Burned Area - A Multiresolution Analysis, NASA Land Cover Land Use Change (LCLUC) Science Team Meeting, The Hotel at The University of Maryland, College Park, MD, May 8-12, 2023.

 Huang, H., Roy, D.P., De Lemos H.J., Egorov, A., Machine learning PlanetScope high resolution training data for medium resolution land cover and disturbance mapping, 2023 NASA Earth Science Data System Working Group Meeting, Linthicum Heights, MD, March 21-23, 2023.

Cho, M., Huang, H., Roy, D.P., Evaluation of BlackSky Imagery for burned area mapping applications, NASA Commercial Smallsat Data Acquisition (CSDA) Program Evaluation Team Midterm Review Workshop, NASA Goddard Space Flight Center, Greenbelt, MD, US, January 19-20, 2023.

Doy, D.P., Huang, H., Martins, V., Boschetti, L., Africa burned area product generation and validation with Landsat-8, Sentinel-2 and commercial Planetscope imagery, 11th Southern African Fire Network (SAFNet) meeting, July 28-29 2021.

 Roy, D., Huang, H., Cho, M., Yan, L., Boschetti, L., Martins, V., The potential of commercial high resolution satellite data for detailed burned area mapping, 5th Joint GOFC-GOLD Fire Implementation Team – Global Wildfire Information System Meeting, Hotel Regina Palace, Stresa, Italy, June 21-23 2022.

Roy, D.P., Huang, H., Li., Z., Souza-Martins, V., Zhang, H.K., Yan, L., High spatial resolution multispectral reflectance time series using Planetscope and NASA Harmonized Landsat Sentinel-2 data, Planet online colloquium, February 24 2021.

Roy, D.P., Martins, V.S., Huang, H., Egorov, A., Wei, G., Wang, R., Machine learning PLANET high resolution training data for medium resolution land cover & disturbance mapping, NASA Earth Science Data System Working Group (ESDSWG) Meeting, Online, February 10 – 12 2021.

Roy, D.P., Huang, H., Li., Z., Souza-Martins, V., Zhang, H.K., Yan, L., Evaluation and generation of consistent high spatial resolution multispectral reflectance time series using Planetscope and NASA Harmonized Landsat Sentinel-2 data. Invited oral presentation in Commercial Smallsat Data: Research and Applications in Earth Science I session, Fall Meeting, AGU, Online Everywhere, December 1-17 2020.

Roy, D.P., Huang, H., Souza-Martins, V., Boschetti, L., Africa Burned Area Product Generation with Landsat-8 and Sentinel-2 and testing the use of high resolution Planetscope imagery, 2020 NASA LCLUC Annual Science Team Meeting, October 19-21 2020.

Roy, D.P., Huang, H., Yan, L., Li, Z., Zhang, H.K., Souza-Martins, V., Egorov, A., Analysis Ready Data – looking forward and to high spatial resolution, Summer 2020 USGS-NASA Landsat Science Team Webinar, September 2, 2020.

Roy, D.P., Huang, H., Boschetti, L., Yan, L., Near daily 30 m burned area mapping using the NASA Harmonized Landsat-8 Sentinel-2 data, Winter 2020 USGS-NASA Landsat Science Team Meeting, Arizona State Office, Bureau of Land Management (BLM), U.S. Department of the Interior, Phoenix, Arizona, February 4-6, 2020.

Huang, H., Roy, D., Boschetti, L., Validation of a 30 m combined Landsat 8 and Sentinel 2A/B burned area product using high resolution PLANET Dove-Classic and Dove-R constellation data, Fall Meeting of the American Geophysical Union (AGU), San Francisco, December 9-13, 2019.

Previous  appointments 

2019 – present Assistant Professor, Fixed Term, Michigan State University

2015 – 2019 Postdoctoral Fellow, South Dakota State University

2014 – 2015 Postdoctoral Fellow, University of Oklahoma

2013 – 2014 Postdoctoral Fellow, University of Illinois at Urbana-Champaign

Education

2008 – 2013 Ph.D. Atmospheric Physics, University of Oxford, U.K.

2005 – 2008 M.Sc. Atmospheric Physics, Peking University, China

2001 – 2005 B.Sc. Atmospheric Science, Nanjing University of Information Science and Technology, China