The second chapter expatiated expression of manifold Remotely sensed information about ground targets, brought forward a method of thematic information extraction based on multi-characters space and constructed automatic extraction model of Remotely sensed thematic information based on multi-characters space.
第二章阐述了地表物体多特征的遥感信息表达方式，提出了基于多特征空间的专题信息自动提取的方法，构建了基于多特征空间的专题信息自动提取模型。
参考来源 - 基于多特征空间的遥感专题信息自动提取方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The automatic extraction of remote sensing information can be carried out by mathematical description and computer processing of multi-characters space.
通过对多特征空间的数学描述和计算机处理实现遥感信息的自动提取。
Using the multi-character of the wavelet space as the characters of a target to increase the dimension of the character space of the target and to increase the reliability of identifying the target.
利用小波空间的多种特征作为目标特征，提高特征空间的维数，增加目标识别的可靠性。
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