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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Up-to-date statistics of crop cultivation status is essential for farm land management planning and the advancement in remote sensing technology allowsfor rapid update of farming information. The objective of this study was to develop a classification model of rice paddy or winter crop fields basedon NDWI, NDVI, and HSV indices using Sentinel-2 satellite images. The 18 locations in central Korea were selected as target areas and photographedonce for each during summer and winter with a eBee drone to identify ground truth crop cultivation. The NDWI was used to classify summer paddyfields, while the NDVI and HSV were used and compared in identification of winter crop cultivation areas. The summer paddy field classification withthe criteria of ?0.195<NDWI<0.15 was 90.9% accurate on average when compared with ground truth. Model performance for the winter crop fieldclassification was also excellent showing the accuracy greater than 98.2% on average for both models. However, cloud and greenhouses appeared todemonstrate optical similarity with paddy in the NDWI values, implying additional caution should be taken when removing cloud and greenhouseeffects. Overall the developed methods for paddy and winter crop classification performed reasonably well at the irrigation district level and furtherstudies are needed to investigate model performance at regional or national scales.
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