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- Use color cameras. With black and white cameras, the detection quality can be noticeably worse.
- The video resolution must be at least 640x480640x360.
FPS directly affects detection efficiency; in most cases, the default value of 0.1 (1 detection per 10 seconds) is sufficient to detect smoke or fire which develops in more than one minute.Smoke or fire must
The minimal recognized fire/smoke area depends on the particular neural network used. For a standard neural network (see Configuring Smoke and Fire Detection Tools), the fire/smoke area must occupy at least 10% of the frame.
Info title Note In some cases, when fire is expected to be clearly visible, the fire area may be sufficient at 1-3% of the FoV width / height.
- Fire/smoke should be visually separated from the background.The area of smoke / fire must be at least 10% of the area of the frame
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If you set a rectangular recognition area for the detection tool, the limitations apply to this area rather than to the entire frame (see Configuring Smoke and Fire Detection Tools). |
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