The accuracy assessment results by match with sample plots of two years showed that it is feasible to use HJ-CCD image to monitor the change of winter wheat area in Henan province.
结合两年冬小麦地面样方进行精度检验表明，利用HJ - CCD影像来进行河南省冬小麦种植面积变化全覆盖监测是可行的。
Using TM data and image process software ENVI3.2, the winter wheat area and distribution information were obtained by methods of Spectral Angle Mapper and man machine interactive interpretation etc.
应用陆地卫星TM资料和遥感图像处理ENVI3.2软件，以监督分类波谱角法、人机交互等方法提取冬小麦面积及分布信息。
Dividing duplicated areas reasonably and re processing the remote sensing data are important ways for improving credit limit of regression model between winter wheat area (or yield) and Green Value.
遥感数据再处理以及合理划分试验同步区是提高作物面积（产量）与绿度值回归模型信度的重要途径。
应用推荐