Calibration method and device, monitoring equipment and readable storage medium

Abstract

The invention provides a calibration method and device, monitoring equipment and a readable storage medium, and the method is applied to the monitoring equipment, and comprises the steps: responding to a zooming confirmation operation, and determining a target multiplying power and a previous multiplying power before the zooming operation according to the number of teeth of motor rotation; in a plurality of predetermined multiplying power segment ranges, determining a first multiplying power segment range matched with the target multiplying power and a second multiplying power segment range matched with the previous multiplying power; determining a target calibration parameter under the target magnification according to the calibration parameters corresponding to the first magnification segmentation range and the second magnification segmentation range; and controlling the holder to move according to the target calibration parameter. According to the method, the multiplying power segmentation range where the target multiplying power is located can be determined, then the calibration parameters under the target multiplying power are determined according to the calibration parameters corresponding to the multiplying power segmentation range, the zooming requirements of most pan-tilt movements can be met, the production procedures of a production line are reduced, meanwhile, the tool cost is saved, and the production cost of equipment is reduced.

Description

technical field [0001] The present invention relates to the technical field of video monitoring, in particular to a calibration method, device, monitoring equipment and a readable storage medium. Background technique [0002] Common monitoring equipment includes two parts: the gimbal and the movement. The gimbal is used to control the pitch angle and horizontal rotation angle of the movement. The movement can observe scenes at different distances through the zoom mechanism. [0003] During the manufacturing process of the movement, due to the existence of manufacturing tolerances, the optical axis of the actual movement and the center of the mechanism are offset, and the offset is different under different magnifications, which eventually leads to the center of the two images before and after zooming. Mismatch, resulting in biased or incomplete objects in the image. [0004] In order to calibrate the above-mentioned offset, related technologies usually design calibration pa...

AI Technical Summary

Problems solved by technology

[0003] During the manufacturing process of the movement, due to the existence of manufacturing tolerances, the optical axis of the actual movement and the center of the mechanism are offset, and the offset is different under different magnifications, which eventually leads to the center of the two images before and after zooming. Mismatch, resulting in biased or incomplete objects in the image

[0004] In order to calibrate the above-mentioned offset, related technologies usually design the calibration parameters in the production process, and the automatic correction on the production line can increase the production process of the production line in this way, increase the cost of tooling and equipment production.

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