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  • 软件名称:基于无人机单视场全景图的地块面积测量研究
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 韦蕾蕾,方陆明,陈磊,郑辛煜
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 提出一种基于无人机单视场图像的地块面积测量方法。首先通过无人机相机标定获得相机内外参数及畸变参数,再对单张的地块全貌图像进行畸变校正;接着提取图像中的目标地块区域并统计区域内像素数量;通过估计像素与实际面积比率,得到地块实际面积。实验结果表明:随着无人机飞行高度的增加,该方法计算精度先逐渐提升,到达一个峰值后逐渐下降,且在有效飞行高度内的相对误差都在10%以下,可以有效地计算地块面积。该方法对要求操作简便快速、精度不是很高的山地作业有现实意义。 关键词: 无人机摄影测量;  相机标定;  区域提取;  面积测量     Abstract: A method for measuring parcel area based on the instantaneous field of view of the UAV is proposed. Firstly, the internal and external parameters and distortion parameters of the camera on UAV are obtained by calibration, and the single image of the land parcel is corrected for distortion. Then extract the target parcel area in the image and count the number of pixels in the area. The actual area of the plot is obtained by estimating the ratio of pixels to area.The experimental results show that the calculation accuracy of this method increases with the increase of the flying height of the UAV. The calculation accuracy gradually increases after reaching a peak, and the relative error within the effective flight altitude is below 10% ,which can effectively calculate the parcel area. This method has practical significance for mountain operations requiring simple and fast operation and relatively low precision.

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