The extract file shows the repository object where the extraction information is contained.
该提取文件显示包含提取信息的储存库对象。
The second chapter described the Algorithms of Object- oriented remotely sensed information extraction based on multi-scale and character expression of remotely sensed image.
第二章阐明了基于多尺度的面向对象的遥感信息提取算法，以及影像特征表达方式。
On the basis of the concept of "track before detection," Hough transform was applied to obtain the extraction and estimate of the object track information in the orientation course map.
基于检测前跟踪思想，利用霍夫变换获取方位历程图中目标航迹信息的提取与估计。
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