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No.251 When trying to record the entrance, faces are recorded as black figures due to sunlight from outside, and therefore cannot be detected. [WJ-NV200 face matching]
- Answer251
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The phenomenon of images becoming black can be mitigated by setting a mask area designed for backlight control of the camera. By masking an area with remarkable luminance change, it is possible to shoot images on which faces can be recognized more accurately. (i.e.: Where strong light sources may affect, such as a glass part facing outside.)
[Network Video Recorder ( feature )] (2011/7/4)
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Business & Professional > Security Systems > Support > FAQs > FAQs Contents
