Paddy rice products generated by the SPRC in Heilongjiang for the years 2019, 2020, and 2021

SPRC introduced a mapping framework called Sentinel-2/-1 Phenology-enhanced paddy Rice (SPRC). Results demonstrated enhanced performance compared to prior studies, with overall accuracy (OA) and Kappa values reaching 98.7% and 97.4%, respectively, for 2020. When compared to statistics data and existing rice products, the maps showed a high linear correlation, with an R² of 0.996, merely 1.08% less than the statistical area averaged for three years.