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To activate Main detection tool, arm the corresponding camera (see Camera arming and disarming section of the Operator's Guide). To activate basic detection tools, arm the corresponding detection zone (see Use of video detection tools section of the Operator's Guide ).
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The basic detection tools process key frames only (for codecs with interframe compression). If detection tool configuration as described above does not result in the proper detection tool operation and the detection tool does not trigger or triggers with a delay, it is recommended to reduce key frame rate for video camera (see Configuring video compression) or video analytics stream if the camera has multiple streams (see Configuration of multistream video). For the MJPEG codec, the number of frames per second processed by the main motion detector is set using the DetectionFps registry key (see Registry Keys Reference Guide). This registry key also affects decimation for the H264 codec (key frames only). |
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Requirements to video parameters while working with detection tools and Tracker |
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