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Processing of polarimetric infrared images for landmine detection

Author: Cremer, F. · Jong, W. de · Schutte, K.
Publisher: IRCT-TR, Delft University of Technology
Place: Delft
Institution: TNO Fysisch en Elektronisch Laboratorium
Source:Yarovoy, A., Proceedings of the 2nd international workshop on advanced ground penetrating radar, May 14-16, 2003, Delft, The Netherlands, 216-221
Identifier: 95615
Keywords: Defence · Landmine detection · Infrared images · Polarization · Image processing · Detection performance


Infrared (IR) cameras are often used in a vehicle based multi-sensor platform for landmine detection. Additional to thermal contrasts, an IR polarimetric sensor also measures surface properties and therefore has the potential of increased detection performance. We have developed a polarimetric IR setup, which has to be used in a forward-looking manner. This paper describes all the steps to reach detection performance. The first step is the acquisition of the polarimetric IR image data. The next step is the pre-processing to (re)construct polarimetric images. A subsequent segmentation step is made to identify objects. Features, like intensity, reflectivity and shape, of these objects are measured. For independent performance analyses, the data set is divided into a training and evaluation section. A classifier is trained on the training section and evaluated on the classification section. The detection performance of the forward-looking IR camera is shown in receiver operator characteristics (ROC) curves.