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Publication of GPSAR Blind Test Data

Februar 2024 | GPSAR + Blind Test Data


In our Newsletter 12/2023 we have published GPSAR results with ground truth of various buried dummy objects for testing and training of e. g. AI-based detectors. Some groups worked on our data and gave us very interesting and valuable feedback. Many thanks to these groups.


In this newsletter, we provide four GPSAR datasets from a field test in a very realistic scenery without ground truth. Two different tiles (i.e., areas) have been GPSAR-processed with two measurement flights each. With our own CFAR-based detector we can find the buried objects in this dataset with a detection rate of approximately 80%. The buried objects consist of can lids, aluminum cylinders and cookie cans, as described in the following table (see also the training data published in 12/2023).



“Ideal” anti-personnel mine (APM) dummy for GPR. Aluminum can lid, diameter of 7.1cm, buried at -5cm depth.





APM dummy: Aluminum cylinder, diameter 84mm, height 30mm, buried at -5cm depth.








Anti-vehicular mine (AVM) dummy: Cookie can, diameter 18,7cm, height 10cm, buried at -20cm depth.







We invite interested groups to look for detections in the datasets using their algorithms and provide us with their results via E-Mail (johannes.schlichenmaier@findmine.org). We in turn will provide feedback about true and false positive detections. Note that only a few (<10) objects are present in each tile. The data is presented in the same format after the same basic SAR processing as described in our 12/2023 newsletter. The data can be downloaded from our data server using the following link https://data.findmine.eu/dataset-gpsar-20230827xxxxxx-blindtest and is licensed under the Creative Commons Attribution Non Commercial Share Alike 4.0 International.



The blind test consists of four datasets, saved as separate MAT files:

Dataset #

Tile

Flight

Size of processed area

20230827153943

1

1

6m x 6m

20230827162226

1

2

6m x 6m

20230827160540

2

1

11m x 5m

20230827164354

2

2

11m x 5m


 




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