How to distinguish the performance of wide dynamic cameras
2020-04-22
Wide dynamic cameraTechnology is a technology used to let the camera see the characteristics of the image under the condition that the light and darkness are very strong, and the wide dynamic range technology is mostly used in the place where light and dark alternate. When the surveillance camera can not achieve low-light monitoring, the wide dynamic camera exposes the subject in the bright area and the dark area with two most suitable shutter speeds, and then recombines the two images on one image with DSP digital signal processing, so that it expands the dynamic range that may be processed, so that the subject in the bright area and the subject in the dark area can be seen clearly, and the image with clear foreground and background is obtained, and the bandwidth dynamic technology camera is widely used in the financial industry, For example, the entrance and exit of the bank gate, the entrance of the ATM glass door, the entrance and exit of the underground parking lot and the business hall with floor-to-ceiling windows can provide visitors and clear portraits and scenery of indoor and outdoor people in a timely manner. So, how do you judge the performance of a wide dynamic camera?
1. According to the actual application site and monitoring target. Select the camera, which is the parameter pointer, and the feature you want.
2. The sample test is qualified, and the actual product parameters, pointers, and functions are consistent with the product. Whether the clarity, wide motion effect, and color reproduction of the captured image are realistic.
3. Choose a camera with high reliability, after completing the monitoring system, if the camera quality and reliability are not good, it needs to be maintained, adjusted, and operated regularly, and the image quality will be reduced or damaged for a period of time, and these losses may exceed the cost of purchasing the camera.
4. The selected camera must be equipped with a lens to give the best effect.
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