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If necessary, you can change the detection tool parameters. The list of parameters is given in the table:
| Parameter | Value | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Object features | ||||||||||||
| Record mask to archive | Yes | By default, the sensitivity scale of the detection tool is recorded to the archive (see Displaying information from a detection tool (mask)). To disable the parameter, select the No value | ||||||||||
| No | ||||||||||||
| Video stream | Main stream | If the camera supports multistreaming, select the stream for which detection is needed. Selecting a low quality video stream reduces the load on the Server | ||||||||||
| Other | ||||||||||||
| Enable | Yes | The detection tool is enabled by default. To disable the detection tool, select the No value | ||||||||||
| No | ||||||||||||
| Name | Smoke Detection | Enter the detection tool name or leave the default name | ||||||||||
| Decoder mode | Auto | Select a processing resource for decoding video streams. When you select a GPU, a stand-alone graphics card takes priority (when decoding with NVIDIA NVDEC chips). If there is no appropriate GPU, the decoding will use the Intel Quick Sync Video technology. Otherwise, CPU resources will be used for decoding | ||||||||||
| CPU | ||||||||||||
| GPU | ||||||||||||
| HuaweiNPU | ||||||||||||
| Number of frames processed per second | 0.1 | Specify the number of frames that the detection tool will process per second. The value must be in the range [0.016; 100] | ||||||||||
| Type | Smoke Detection | Name of the detection tool type (non-editable field) | ||||||||||
| Advanced settings | ||||||||||||
| Neural network file | Select a neural network file. The standard neural networks for different processor types are located in the C:\Program Files\Common Files\AxxonSoft\DetectorPack\NeuroSDK directory. You don't need to select the standard neural networks in this field, the system will automatically select the required one. If you use a custom neural network, enter a path to the file
| |||||||||||
| Ignore black and white image | Yes | The parameter is disabled by default. If you don't want the detection tool to generate an event when the image is black and white, select the Yes value | ||||||||||
| No | ||||||||||||
| Number of measurements in a row to trigger detection | 5 | Specify the minimum number of frames with smoke for the detection tool to trigger. The value must be in the range [5; 20] | ||||||||||
| Scanning mode | Yes | The parameter is enabled by default. You can use the scanning mode (see Configuring the scanning mode) to detect small objects or objects in areas far away from the camera. For this, select the Yes value. This mode doesn’t provide absolute detection accuracy, but can improve detection performance | ||||||||||
| No | ||||||||||||
| Basic settings | ||||||||||||
| Mode | CPU | Select a processor for the neural network operation (see Hardware requirements for neural analytics operation, Selecting Nvidia GPU when configuring detection tools).
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| Nvidia GPU 0 | ||||||||||||
| Nvidia GPU 1 | ||||||||||||
| Nvidia GPU 2 | ||||||||||||
| Nvidia GPU 3 | ||||||||||||
| Intel GPU | ||||||||||||
| Huawei NPU | ||||||||||||
| Sensitivity | 33 | Specify the sensitivity of the detection tool empirically. The value must be in the range [1; 99]. The default value is 33. The preview window displays the sensitivity scale of the detection tool that relates to the sensitivity parameter. If the scale is green, smoke isn't detected. If the scale is yellow, smoke is detected, but not enough to generate an event. If the scale is red, smoke is detected and the detection tool will generate an event, if the scale is red through the sampling period (50 seconds by default).
| ||||||||||
By default, the entire frame is the detection area. In the preview window, you can specify the detection areas using the anchor points 
(see Configuring a detection area):
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