You should know about industrial camera tips
In the camera, focus and exposure are two important parameters for determining the final image quality. Autofocus and auto exposure are two key technologies of camera software that determine the three parameters of the final photo quality:
(1) White balance
The color of the various color sources is taken to restore the color to the standard color temperature. Adjusting the white balance is the need to ensure accurate restoration of the subject's true color.
(2) Focus
The purpose of focusing is to make the subject image clear on the plane of the sensor chip, to ensure the clarity of the subject image on the captured image.
(3) Exposure
The sensory chip in the camera is properly exposed during the shooting process.
Autofocus can be divided into two types:
1. An annoying ranging method based on the distance between the measuring lens and the object to be photographed, referred to as a distance measuring method;
2. Based on the focusing method on the focusing screen to form a clear image, referred to as the focusing method.
The autofocus system generally has two functional modules.
Analysis processing module
The purpose of the analysis process is to determine whether the input image is clear. If the focus is not clear, the module simultaneously calculates the degree of defocus of the image.
2. Control drive module
The state of the entire system is adjusted according to the relevant information provided by the analysis processing module, and the target image is in focus.
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