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Hierarchical knowledge model construction method of electromagnetic image and target identification method

A technology of knowledge model and construction method, applied in character and pattern recognition, instruments, computer components, etc., can solve problems such as difficulty in forming knowledge models, poor generalization ability and poor interpretability

Pending Publication Date: 2020-11-17
BEIJING INST OF ENVIRONMENTAL FEATURES
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Problems solved by technology

However, its generalization ability and interpretability are poor, it is difficult to form a general knowledge model, and it is difficult to establish a direct connection with the electromagnetic scattering process

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  • Hierarchical knowledge model construction method of electromagnetic image and target identification method
  • Hierarchical knowledge model construction method of electromagnetic image and target identification method
  • Hierarchical knowledge model construction method of electromagnetic image and target identification method

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] Such as figure 1 As shown, a method for constructing a hierarchical knowledge model of an electromagnetic image provided by an embodiment of the present invention includes the following steps:

[0048] S1. Syntax-semantic knowledge model construction: Aiming at the structural knowledge in the component-target-environment of the electr...

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Abstract

The invention relates to the technical field of electromagnetic image processing, in particular to a hierarchical knowledge model construction method of an electromagnetic image, a target recognitionmethod and a computer readable storage medium. The hierarchical knowledge model construction method of the electromagnetic image comprises the following steps of: for aming at structure knowledge in component-target-environment, expressing the electromagnetic scattering parameterized models of different levels by using a syntax semantic knowledge model by using a tree diagram to obtain an AND / OR tree; for context knowledge in the electromagnetic scattering process of the component target environment, using a random syntactic knowledge model for representation, quantitatively fusing the interaction relationship between the target and the environment into the AND / OR tree, and forming an AND / OR graph; and on the basis of the topological relation of the AND / OR graph, using a knowledge model parameter learning method to obtain parameters of the knowledge model, and completing construction of the hierarchical knowledge model of the component target environment. According to the method, a complete hierarchical knowledge model of the component-target-environment can be formed, and the design of a target identification method is guided.

Description

technical field [0001] The invention relates to the technical field of electromagnetic image processing, in particular to a method for constructing a hierarchical knowledge model of an electromagnetic image, a target recognition method, and a computer-readable storage medium. Background technique [0002] At present, researchers have proposed electromagnetic scattering parametric model forms for modeling the electromagnetic scattering characteristics of various targets. On this basis, it is necessary to establish a corresponding hierarchical knowledge model for electromagnetic images to improve the accuracy of target electromagnetic scattering characteristics in target recognition. The ability to represent prior knowledge. According to the existing research experience, the image semantic knowledge model of low-level, middle-level and high-level can be successively established, and the component-target-environment hierarchical knowledge model can also be established based on ...

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Application Information

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IPC IPC(8): G06K9/62
CPCG06F18/217G06F18/22
Inventor 党训旺闫华殷红成
Owner BEIJING INST OF ENVIRONMENTAL FEATURES