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Ground Target Recognition Using Rectangle Estimation

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3 Author(s)
C. Gronwall ; Dept. of Laser Syst., Swedish Defence Res. Agency ; F. Gustafsson ; M. Millnert

We propose a ground target recognition method based on 3-D laser radar data. The method handles general 3-D scattered data. It is based on the fact that man-made objects of complex shape can be decomposed to a set of rectangles. The ground target recognition method consists of four steps; 3-D size and orientation estimation, target segmentation into parts of approximately rectangular shape, identification of segments that represent the target's functional/main parts, and target matching with CAD models. The core in this approach is rectangle estimation. The performance of the rectangle estimation method is evaluated statistically using Monte Carlo simulations. A case study on tank recognition is shown, where 3-D data from four fundamentally different types of laser radar systems are used. Although the approach is tested on rather few examples, we believe that the approach is promising

Published in:

IEEE Transactions on Image Processing  (Volume:15 ,  Issue: 11 )