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衍射模式分析方法已广泛应用于模式识别领域。本文介绍用光学/数字混合型功率谱分析系统对航空像片进行地物空间特征识别的研究。提出了适用于地物分类的特征抽取、特征选择方法和树形分类方法,给出了实验结果并讨论了谱分析法用于地物识别的优缺点。
Diffraction mode analysis methods have been widely used in the field of pattern recognition. This article describes the use of optical / digital hybrid power spectrum analysis system of aerial photographs for the study of feature recognition. The feature extraction method, feature selection method and tree classification method which are suitable for feature classification are proposed. The experimental results are given and the advantages and disadvantages of spectrum analysis method for object recognition are discussed.