Intelligent SAR radar land tank target recognition system

A target recognition and radar technology, applied in scene recognition, character and pattern recognition, instruments, etc., can solve problems such as poor model effect and insufficient research.

Inactive Publication Date: 2018-10-12
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the tank target detection based on SAR images has been extensively studied, but the classification and recognition of tank targets has just started due to the limitation of SAR image resolution, and some existing research results are not thorough enough, so the effect of the model is not very good.

Method used

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  • Intelligent SAR radar land tank target recognition system
  • Intelligent SAR radar land tank target recognition system
  • Intelligent SAR radar land tank target recognition system

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Experimental program
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Embodiment

[0097] refer to figure 1 , figure 2 , an intelligent SAR radar land tank target recognition system, comprising a SAR radar 1, a database 2 and a host computer 3, the SAR radar 1, the database 2 and the host computer 3 are connected in sequence, the SAR radar 1 irradiates the monitored land, and The SAR radar image is stored in the database 2, and the upper computer 3 includes:

[0098] Image preprocessing module 4, in order to carry out SAR radar image data preprocessing, adopts following process to finish:

[0099] 1) The gray level of the SAR image transmitted from the database is L, f(x 0 ,y 0 ) is the pixel point (x 0 ,y 0 ), the gray value at g(x 0 ,y0 ) is the pixel point (x 0 ,y 0 ), the average value of pixels in the N×N neighborhood of ), where x 0 ,y 0 respectively represent the abscissa and ordinate of the pixel;

[0100] 2) By calculating the number of pixels h(m,n) satisfying f=m and g=n, the two-dimensional joint probability density p is obtained mn ...

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Abstract

The invention discloses an intelligent SAR radar land tank target recognition system. The system includes SAR radar, a database and a host computer. The SAR radar, the database and the host computer are connected in turn. The SAR radar carries out real-time monitoring on land, and image data obtained by the SAR radar are stored into the database. The host computer includes an image preprocessing module, a feature extraction module, a feature selection module, a classifier training module, an intelligent optimization module and a result display module. According to the land tank target recognition system provided by the invention, online recognition is realized, and precision is high.

Description

technical field [0001] The invention relates to the field of radar data processing, in particular to an intelligent SAR radar land tank target recognition system. Background technique [0002] Using SAR images to monitor and identify land tanks can obtain important information parameters such as the type, position, and heading of tanks by monitoring and identifying land tanks on SAR images. It plays a vital role in obtaining the initiative of the land tank and ensuring the success of the land tank operation. Traditional classification methods, such as artificial neural networks, are prone to over-learning when dealing with small-sample problems, which leads to poor generalization of the algorithm; on the other hand, the learning performance is poor, and the algorithm for dealing with nonlinear problems is complex. Statistical learning theory is a special small-sample statistical theory. Support vector machine technology based on statistical learning theory is a new pattern ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06V20/13G06F18/2113G06F18/24G06F18/214
Inventor 刘兴高吴俊孙元萌
Owner ZHEJIANG UNIV
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