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首页> 外文会议>25th Asian conference on remote sensing (ACRS Silver Jubilee) >High Accurate Discrimination of Rice-planted Fields by Use ofMulti-Temporal RADARSAT Images and Farmland Outline Vector Data
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High Accurate Discrimination of Rice-planted Fields by Use ofMulti-Temporal RADARSAT Images and Farmland Outline Vector Data

机译：利用多时相RADARSAT图像和农田轮廓矢量数据高精度判别稻田

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摘要

Estimation of the rice-planted acreage is divided into two processes, 1)rndiscrimination of rice-planted fields and totalization of the acreage discriminated as thernrice-planted. Satellite radar remote sensing is effective for discriminating rice-planted fields,rnbecause the growing season of rice overlaps with the rainy season in Japan. Furthermore, thernrice-planted acreage can be accurately totalized by referring to farmland outline vector data. Inrnorder to improve the estimation accuracy of the rice-planted acreage, a method whichrndiscriminates the rice-planted acreage using satellite radar data and totalizes the rice-plantedrnacreage referring to farmland outline vector data was proposed in this paper. The proposedrnmethod was applied to RADARSAT data to estimate the rice-planted acreage for a test site inrnKoshiji town, Niigata, Japan. The estimated rice-planted acreage obtained by the above methodrnwas compared with that acquired by QuickBird data. As a result of accuracy verification byrnabove comparison, the accuracy of estimation was 85 %.
机译：水稻种植面积的估算分为两个过程：1）区分水稻种植田地和总面积区分为种植水稻。由于日本的水稻生长季节与雨季重叠，因此卫星雷达遥感技术对于区分水稻田是有效的。此外，通过参考农田轮廓矢量数据，可以精确地累计种植水稻的面积。为了提高水稻种植面积的估算精度，提出了一种利用卫星雷达数据判别水稻种植面积并结合农田轮廓矢量数据对水稻种植面积进行汇总的方法。拟议的方法已应用于RADARSAT数据，以估算日本新泻市高志寺镇一个试验地点的水稻种植面积。将通过上述方法获得的估计水稻种植面积与通过QuickBird数据获得的估计面积进行比较。通过以上比较进行的准确性验证的结果，估计的准确性为85％。

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