Method for measuring icing thickness of insulator of power transmission line based on video difference analysis
A technology of transmission line and difference analysis, applied in measurement devices, image analysis, image data processing, etc., can solve the problems of high labor intensity of inspectors and inconvenient installation of sensors, saving human resource costs, significant social significance, reducing cost effect
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[0046] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0047] The present invention is based on the method for measuring the ice thickness of transmission line insulators based on video difference analysis, such as Figure 6 As shown, the specific steps are as follows:
[0048] Step 1: Collect the image signal of the transmission line through the camera installed on the tower, and transmit it to the monitoring center in real time through wireless communication; the monitoring center obtains the digital image of the monitored transmission line site, and obtains the monitoring target image;
[0049]Step 2: In order to correct the distortion of the camera lens and obtain the ice thickness of the insulator in metric units in the world coordinate system, the present invention uses a standard calibration plate whose features can be easily extracted to calibrate the camera, calculate the internal and ex...
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