Moving objects are noisy at night, and stationary objects are normal
Source:24小时微信小妹快餐_本地附近站衔女_上门卖身电话100元2020-06-04
【problem causes】
Appropriately reduce the 3D digital noise reduction level or temporal noise reduction level of the camera. Set according to the actual situation on site.
Spatial noise reduction: noise reduction processing in one frame of image;
Time domain noise reduction: noise reduction processing between multiple frames of images;
The 3D digital noise reduction level is higher, or the time domain noise reduction level is higher. Inter-frame noise reduction, that is, contrast noise reduction between multiple frames of images, causes moving objects to be judged as noise, and after noise reduction, there is obvious tail noise.
Appropriately reduce the 3D digital noise reduction level or temporal noise reduction level of the camera. Set according to the actual situation on site.
Spatial noise reduction: noise reduction processing in one frame of image;
Time domain noise reduction: noise reduction processing between multiple frames of images;
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