Trigger shooting method and device of rigid catenary suspension device
A suspension device and rigid contact technology, applied in color TV parts, TV system parts, traffic control systems of road vehicles, etc., can solve the problems of not being suitable for high-speed trains, lack of precision, easy to miss positioning, etc. Achieve the effect of improving positioning capture accuracy, high precision, and reducing time error
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Embodiment 1
[0048] As a preferred embodiment of the present invention, with reference to the attached figure 1 , this example discloses:
[0049] The trigger shooting method of the rigid catenary suspension device comprises the following steps:
[0050] S1. Use surveillance cameras to capture video images of the rigid catenary in real time, and record the frame numbers of the collected video images frame by frame;
[0051] S2, using the target recognition algorithm to identify the catenary suspension device in the video image taken by the surveillance camera frame by frame; and record the identified video image and frame number with the catenary suspension device in real time;
[0052] S3, obtain the start frame number and the end frame number of the set distance displacement of the same catenary suspension device within the shooting range of the surveillance camera by obtaining in the step S2; according to the frame rate of the surveillance camera, the start frame number, the end frame ...
Embodiment 2
[0056] As an implementation of the first embodiment, in step S3, it is judged that the same catenary suspension device has a set distance displacement within the shooting range of the monitoring camera, which can be image judgment, specifically, in the shooting range of the known monitoring camera In the case of angle, shooting range, and straight-line distance between the surveillance camera and the target object on the catenary, no matter how fast the vehicle speed is, the movement of the surveillance camera relative to the suspension can be calculated by changing the position of the catenary suspension device in the front and rear two frames of surveillance video images. The distance (that is, the distance traveled by the operating vehicle).
[0057] In this embodiment, a set distance s1 is preset. When the displacement distance of the catenary suspension device on the first frame image and the last frame image of the continuous multi-frame images satisfies the set distance ...
Embodiment 3
[0059] As yet another implementation of this embodiment 1, the initial frame image can be set as the first frame image of the catenary suspension device captured by the surveillance camera, and the end frame image can be set as the process of the catenary suspension device captured by the surveillance camera Any frame of image generated; it is equivalent to setting the starting point of the distance s1 to be fixed, and only need to calculate the end frame number; this calculation method is compared with the above-mentioned technical method in which both the start frame and the end frame are arbitrarily selected. The smaller the amount, the higher the calculation rate.
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