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指出合成孔径雷达(SAR)图像目标识别特征具有多维度特性和图像场景的复杂性,因此融入知识信息就成为解决SAR图像目标识别复杂问题的重要途径。结合实例分析知识信息在SAR中的重要性,阐述知识的描述方法,由此提出一种基于知识的SAR图像目标识别模型。以可信度方法为例,就知识信息的处理过程进行具体说明。最后通过案例分析,证明引入专家知识有助于增强目标识别结果的可靠性。
It is pointed out that the target recognition features of SAR images have multidimensional characteristics and the complexity of image scenes. Therefore, the integration of knowledge information becomes an important approach to solve the complex problem of target recognition in SAR images. An example is given to analyze the importance of knowledge information in the SAR and to describe the description method of the knowledge. Then a kind of target recognition model of SAR images based on knowledge is proposed. Taking the credibility method as an example, the process of knowledge information is explained in detail. Finally, case analysis shows that the introduction of expert knowledge helps to enhance the reliability of the target recognition results.