Journal of Geo-information Science, Volume. 22, Issue 4, 857(2020)
Fig. 1. Technical route of change detection method based on statistics of change pixel
Fig. 2. Technical route of change detection method based on the pattern of geographic national census
Fig. 3. Technical route of updating geographic national census based on CDE
Fig. 4. True color composite remote sensing images, the vectors of geographic national census, and the reference maps of land cover changes in the study areas
Fig. 5. Change detection and change intensity of geographic national census based on statistics of change pixel
Fig. 6. Change detection map based on the pattern of geographic national census
Fig. 7. Updated geographic national census land cover maps based on high-resolution remote sensing image change detection
Table 1. Geographic national census based change detection results
View tableView in ArticleTable 1. Geographic national census based change detection results
基于变化像元统计的 地理国情变化检测方法 基于地理国情普查单元 的变化检测方法 研究区1 研究区2 研究区1 研究区2 OA/% 93.65 93.68 69.31 88.52 Kappa系数 0.5409 0.6168 0.1314 0.3767
Table 2. Accuracy of land cover updating results
View tableView in ArticleTable 2. Accuracy of land cover updating results
研究区1 研究区2 土地 利用 类型 耕地 0.8654 0.8173 园地 0.9185 0.7421 林地 0.8381 0.8377 草地 0.8182 0.7782 房屋建筑 0.9266 0.8123 道路 0.9579 0.9917 构筑物 0.5912 0.8872 人工堆掘地 0.9336 0.8006 水体 0.8810 0.8894 总体精度 0.8996 0.8613 Kappa系数 0.8598 0.8383
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Peijun DU, Xin WANG, Yaping MENG, Cong LIN, Peng ZHANG, Gang LU.
Received: Dec. 4, 2019
Accepted: --
Published Online: Nov. 12, 2020
The Author Email: Peijun DU (peijun@nju.edu.cn)
