Optimizing Rice Field Mapping in the Northern Region of China: An Asynchronous Flooding Signal and Object-Based Method
Long Li,
Daoqin Zhou,
Kai Liu
et al.
Abstract:Accurate delineation of paddy fields holds importance in ensuring food security, efficient water resource management, and precise evaluation of greenhouse gas emissions. Here we propose an innovative approach, the Asynchronous Flooding and Object-Based (AF-OB) model, aimed at optimizing phenologybased paddy field mapping. The AF-OB model capitalizes on the asynchronous flooding phenomenon observed between paddy fields and non-paddy fields, along with the seasonal variations in the Normalized Difference Vegetat… Show more
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