| 摘要 |
A surveillance system includes a camera, a brightness detector, a light source, and a controller. The camera is used for capturing images of a monitored area, and generating captured images. The brightness detector is used for detecting brightness of the monitored area, and generating a brightness signal. The light source is used for emitting light to illuminate the monitored area. The controller is used for generating a light control signal according to the brightness signal. The light control signal is configured for controlling the light source. A surveillance method is also provided.
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