Method for fusing attribute features of ground penetrating radar by wavelet transform

A technology of attribute characteristics and ground penetrating radar, which is applied in image data processing, instruments, character and pattern recognition, etc., to achieve optimized extraction, good description of features and positioning of potential targets, and the effect of improving accuracy and efficiency

Pending Publication Date: 2020-09-04
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

However, a single radar attribute can only partially reveal the details of subsurface targets, and multiple attributes can obtain more information about the nature of the subsurface

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  • Method for fusing attribute features of ground penetrating radar by wavelet transform
  • Method for fusing attribute features of ground penetrating radar by wavelet transform
  • Method for fusing attribute features of ground penetrating radar by wavelet transform

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Embodiment Construction

[0043] The present invention will be further elaborated and illustrated below in conjunction with the accompanying drawings and specific embodiments.

[0044] Such as figure 1 As shown, it is the flow of the method for using wavelet transform to fuse ground-penetrating radar attributes and features in this embodiment. The method includes the following steps:

[0045] The first step is to perform routine processing on the collected data:

[0046] The collected data of ground penetrating radar needs to be processed in advance to obtain the target profile image of ground penetrating radar. The specific data processing process can be adjusted according to the actual measurement object, so as to obtain accurate and complete signals. In the present invention, data processing includes data editing, static correction, DC component removal, gain, band-pass filtering, and consistent noise removal, etc.; in addition, if required by underground conditions, offset is also included.

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Abstract

The invention discloses a method for fusing attribute features of a ground penetrating radar by wavelet transform, and belongs to the technical field of near-surface geophysics. According to the method, extraction and optimization selection of multiple attribute characteristics are carried out on physical and geometric properties of an underground potential target body, and the different attributeprofiles are synthesized into a composite output display, so that underground imaging is improved by utilizing information such as amplitude, coherence, reflection characteristics, phase and spectralcontent at the same time. According to the method, different attributes from the same ground penetrating radar data are fused through wavelet transform, extraction of effective information is optimized, people are helped to better describe features and locate potential targets, and an automatic or computer-aided interpretation road is further opened.

Description

technical field [0001] The invention belongs to the field of near-surface geophysics, and relates to a ground-penetrating radar attribute feature fusion method based on wavelet transform. Background technique [0002] GPR attribute analysis helps to extract information hidden in radar recordings by quantitatively describing the geometric and physical properties of the target, so that by extracting different GPR attributes, a better understanding of the subsurface structure and properties can be obtained. However, a single radar attribute can only partially reveal the details of subsurface targets, and multiple attributes can obtain more information about the nature of the subsurface. Comprehensive interpretation of different data components is a daunting task that requires data fusion methods to optimize the extraction of useful information. Contents of the invention [0003] The object of the present invention is to provide a ground penetrating radar attribute feature fu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/13G06K9/62G06T7/181
CPCG06T7/13G06T7/181G06T2207/10044G06T2207/20064G06T2207/20221G06F18/253
Inventor 赵文轲卢国泽田钢王帮兵
Owner ZHEJIANG UNIV
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