Analysis method and analysis system for monitoring video of elevator running cable
A technology for monitoring video and elevator operation, applied in the field of Internet of Things, can solve the problems of lack of lubrication, deformation and wear, and interference of steel wire ropes, and achieve the effects of good image processing effect, stable working performance and small data processing capacity.
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[0026] The monitoring video analysis method of the elevator running cable includes the following steps:
[0027] A. Video signal collection: real-time collection of video signals of dynamic and / or static steel cables in a vertical state, and the video signal collection direction is horizontal;
[0028] B. Low-level preprocessing: Use the method of dividing rectangular areas to perform low-level preprocessing on the collected video signal, filter out unnecessary pixels, and obtain a two-dimensional element map;
[0029] C. Intermediate processing: Convert the steel cables in the two-dimensional element map into a 2.5-dimensional description of the basic pixel map;
[0030] D. Analysis result: Perform video analysis on the basic pixel image, and compare the analysis result with the pre-stored threshold. If the threshold is not exceeded, no warning signal is output; if the threshold is exceeded, an early warning signal is output.
[0031] In the above step B, the two-dimensional element ma...
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