Feature-based algorithm for large-scale rice phenology detection based on satellite images

Xin Zhao,Kazuya Nishina,Tomoko Kawaguchi Akitsu,Liguang Jiang,Yuji Masutomi,Kenlo Nishida Nasahara

Agricultural and Forest Meteorology（2023）

引用 5|浏览9

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摘要

•A new satellite-based algorithm for detecting rice phenology is proposed.•Feature-based VH, EVI, and NDYI predict rice planting, heading, and harvest dates.•Robustness was confirmed for multiple scales and cropping systems in monsoon Asia.•Algorithm is promising in mapping large-scale high resolution rice phenology map.

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关键词

Rice phenology,Sentinel-1 & -2,Vertical-Horizontal (VH) polarization backscattering,Normalized Difference Yellow Index (NDYI),Enhanced Vegetation Index (EVI),Google Earth Engine (GEE)

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