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。
We often fall across a problem of vertex recognition in the process of image measure, for example, to detect length of 2d image, area and some workpiece index.
图像检测中对2d图像的长度、面积测量，以及工件的某些指标的计算，常常会遇到顶点识别问题。
Traditional lowpass filter would make the image edges blurred. So we have to process the edge area and the un-edge area independently.
为使图像处理结果具有较好的边缘特征，可将边缘区域和非边缘区域在逆半调的过程中分别进行处理。
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