Video high-speed frame difference backup system
A high-speed, video technology, applied in the fields of computer vision and video processing, can solve the problems of low compression rate and poor backup effect, and achieve the effect of improving the compression rate, convenient monitoring, and clear type.
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Embodiment 1
[0038] A video high-speed frame difference backup system includes a target extraction module, a refresh rate control module, and a frame difference backup module.
[0039] The target extraction module is used to extract the bounding box of the target of interest in the real-scene image frame of the scene.
[0040] Take the computer room scene as an example. Collect video images through the camera to obtain a large amount of video data. The video data is sampled to obtain image data, so as to reduce the amount of calculated data. For different cameras, the captured videos usually have different frame rates. Generally speaking, video information is highly redundant, so sampling is required. The frequency of sampling can be determined by the implementer according to the specific application scenario. For example, for the video frame rate captured by the camera For example, if the sampling rate is set to 5, that is, the video captured by the camera has 30 pictures (video fra...
Embodiment approach
[0052] The refresh rate control model is as follows: , That is, the refresh rate of the camera, is the number of bounding boxes, Respectively, the width and height of the bounding box in the image, is the average width and average height of the bounding box (for example, if there are three bounding boxes, the length and height are [150,100], [125,150], [235,200] respectively, then the average width of the bounding box is 170, and the average height is 150), Thermally image the temperature for the scene The hyperparameters in , Indicates the K temperature values with the highest temperature in the thermal imaging of the scene, K indicates the number of temperature values, It is used to measure the air outlet wind speed of the monitoring object an anemometer reading, for the first The amplitude value of the sound collected by each pickup, That is, the number of servers can also represent the number of pickups and thermal anemometers. is the weight facto...
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