Detection of incomplete enclosures of rectangular shape in remotely sensed images

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IEEE, , ed.. 2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) : Boston, Massachusetts, USA, 7 - 12 June 2015. Piscataway: IEEE, 2015, pp. 87-96. ISBN 978-1-4673-6760-8. Available under: doi: 10.1109/CVPRW.2015.7301387
Zusammenfassung

We develop an approach for detection of ruins of livestock enclosures in alpine areas captured by high-resolution remotely sensed images. These structures are usually of approximately rectangular shape and appear in images as faint fragmented contours in complex background. We address this problem by introducing a new rectangularity feature that quantifies the degree of alignment of an optimal subset of extracted linear segments with a contour of rectangular shape. The rectangularity feature has high values not only for perfect enclosures, but also for broken ones with distorted angles, fragmented walls, or even a completely missing wall. However, it has zero value for spurious structures with less than three sides of a perceivable rectangle. Performance analysis using large imagery of an alpine environment is provided. We show how the detection performance can be improved by learning from only a few representative examples and a large number of negatives.

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IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 7. Juni 2015 - 12. Juni 2015, Boston
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ISO 690ZINGMAN, Igor, Dietmar SAUPE, Karsten LAMBERS, 2015. Detection of incomplete enclosures of rectangular shape in remotely sensed images. IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW). Boston, 7. Juni 2015 - 12. Juni 2015. In: IEEE, , ed.. 2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) : Boston, Massachusetts, USA, 7 - 12 June 2015. Piscataway: IEEE, 2015, pp. 87-96. ISBN 978-1-4673-6760-8. Available under: doi: 10.1109/CVPRW.2015.7301387
BibTex
@inproceedings{Zingman2015Detec-32958,
  year={2015},
  doi={10.1109/CVPRW.2015.7301387},
  title={Detection of incomplete enclosures of rectangular shape in remotely sensed images},
  isbn={978-1-4673-6760-8},
  publisher={IEEE},
  address={Piscataway},
  booktitle={2015 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) : Boston, Massachusetts, USA, 7 - 12 June 2015},
  pages={87--96},
  editor={IEEE},
  author={Zingman, Igor and Saupe, Dietmar and Lambers, Karsten}
}
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