October 2021
9
IDS NXT: Vision apps – Object Detector
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Any Detection: All images with a detection are transferred.
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No Detection: Only images without a detection are transferred.
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"Class Name": All images with a detection of the selected class will be transferred.
If the camera cannot establish a connection to the FTP server, the transfer of images is interrupted. The
camera will try to connect to the FTP server again in 5 minute intervals. If no connection to the FTP server
could be established after 1 hour, the FTP function is deactivated.
3.3 Files
Fig. 4: Upload a CNN package
Here, you upload a CNN file (*.det) that you have trained previously, e.g. in IDS NXT lighthouse for object
detection. After successfully uploading the CNN file, you can select the CNN in the
. Object Detector
can use CNNs for object detection created for IDS NXT OS 1.1 or higher
IDS NXT cockpit displays an error message if the CNN packet is large and uploading takes a
long time. The upload is still performed, however. After uploading, the CNN package is
installed, which causes the vision app to take a few seconds to run (as it did the first time the
vision app was started).
Click
to delete the currently selected CNN on the device. After deletion, the first CNN from the list
is activated. If the last CNN in the list is deleted, evaluation is not performed any more and you must first
upload a CNN again.
3.4 Result output
Fig. 5: Result output
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Switch between overall image and result image
In the result image, all detected objects are displayed with their number, the detection result and the
corresponding probability. Only detections with a probability above the
Each class is assigned one of six colors, which are repeated if models are trained on more than six classes.
·
Class: Displays the found class
·
Count: Frequency of the found class
