A ground penetrating radar target extraction method and device based on hough transform
A technology for ground penetrating radar and target extraction, which is used in the fields of ground penetrating radar recognition and extraction of underground targets, radar signal processing and digital image processing
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Embodiment 1
[0107] figure 1 It is a flow chart of a method for extracting ground-penetrating radar targets based on Hough transform provided by the present invention. like figure 1 Shown, a kind of ground-penetrating radar target extraction method based on Hough transform described in the present invention, obtains N column A-Scan echo signals to form two-dimensional gray scale image B-Scan, then obtains by analyzing and processing the data of B-Scan The target location information specifically includes the following steps:
[0108] Step S1, preprocessing and normalizing the acquired N columns of A-Scan echo signal data;
[0109] Step S2, sliding translation filtering;
[0110] Step S3, determining the peak and valley of the modulus maximum value;
[0111] Step S4, extracting a hyperbola based on Hough transform;
[0112] Step S5, calculating the position of the measured object.
[0113] The invention solves the related problems of ground penetrating radar target extraction and reco...
Embodiment 2
[0178] The device embodiment 2 and the method embodiment 1 of the present invention belong to a unified technical concept. Please refer to the method embodiment 1 for details not described in detail in the device embodiment 2.
[0179] Figure 10 : the structure diagram of a ground penetrating radar target extraction device based on Hough transform provided by the invention. like Figure 10 As shown, a ground penetrating radar target extraction device based on the Hough transform of the present invention is used to obtain N columns of A-Scan echo signals to form a two-dimensional grayscale image B-Scan, and then analyze and process the B-Scan The data to obtain the target location information, specifically including the following units:
[0180] A data preprocessing unit, used for preprocessing and normalizing the acquired N columns of A-Scan echo signal data;
[0181] A filtering and denoising unit, used for sliding translation filtering;
[0182] The peak and valley acqu...
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