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Dropper image processing method and dropper capturing system based on linear array camera

An image processing and line array camera technology, applied in the field of image processing, can solve the problems of high missed detection rate in capture, low efficiency of manual inspection, easy missed detection, etc., and achieve the effect of high detection efficiency

Active Publication Date: 2018-10-02
CHENGDU TANGYUAN ELECTRICAL APPLIANCE
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Problems solved by technology

[0003] At present, there is no better real-time hanging string capture method on the market. The existing methods have the following disadvantages: (1) poor real-time performance; (2) high missed detection rate in capture
The efficiency of manual inspection is low, the reliability is poor, and it is easy to miss inspection, and the judgment of crack level depends on experience

Method used

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  • Dropper image processing method and dropper capturing system based on linear array camera
  • Dropper image processing method and dropper capturing system based on linear array camera
  • Dropper image processing method and dropper capturing system based on linear array camera

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Embodiment Construction

[0039] The image processing method and system will be described respectively below.

[0040] 1: Hanging string image processing method

[0041] Such as Figure 6 As shown, the method includes the following steps:

[0042] Step 1: Obtain the hanging string image.

[0043] The hanging string image can be collected by the line array camera described later, and the width of the line array camera is 1024. In order to capture the hanging string in real time, this embodiment only needs to use N=10 frames of images, and the calculation time of the whole hanging string process does not exceed 0.1 milliseconds, to meet the actual real-time requirements.

[0044] Step 2: Preprocessing the hanging string image.

[0045] The original 10 frames of hanging string data are preprocessed by image scaling and mean filtering.

[0046] Step 3: use the GABOR filter bank to perform GABOR transformation on the hanging string image.

[0047] GABOR is a biologically inspired feature that itself m...

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Abstract

The invention provides a dropper image processing method and a dropper capturing system based on a linear array camera. The method comprises steps: a dropper image is acquired; the dropper image is preprocessed; a GABOR filter bank is used to carry out GABOR transformation on the dropper image; the dropper image is subjected to dynamic binary processing; and the area of a white point in the imageafter binaryzation is calculated, and if the area is larger than a predetermined threshold, the dropper is judged. The system comprises a linear array antenna and a server. A clear image of a tunnel surface can be acquired, the detection efficiency is high, the reliability is good, and manpower can be saved.

Description

technical field [0001] The invention belongs to the technical field of image processing, in particular to a suspension string image processing method and a suspension string capture system based on a line array camera. Background technique [0002] The suspension string is one of the important components of the catenary. The contact wire is hung on the catenary cable through the suspension string. Adjusting the length of the suspension string can ensure the structural height of the contact suspension and the working height of the contact wire from the rail surface, which increases the contact wire. Suspension point to improve the current quality of electric locomotive pantograph. In recent years, during the operation of the high-speed railway catenary, there have been phenomena such as overall suspension string breakage, loose strands, and no force, which directly affect driving safety. Therefore, whether the suspension string can be captured with high quality is the key to ...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/62H04N5/225
CPCG06T7/0004G06T7/62G06T2207/10016H04N23/56H04N23/50
Inventor 张楠
Owner CHENGDU TANGYUAN ELECTRICAL APPLIANCE
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