A roof edge detection model

Authors:
Qing H. Zhang;Song Gao;Tien D. Bui
Affiliations:
Department of Computer Science and Software Engineering, Concordia University, Montreal, QC, Canada;Department of Computer Science and Software Engineering, Concordia University, Montreal, QC, Canada;Department of Computer Science and Software Engineering, Concordia University, Montreal, QC, Canada
Venue:
IbPRIA'05 Proceedings of the Second Iberian conference on Pattern Recognition and Image Analysis - Volume Part II
Year:
2005

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Abstract

We have generalized the Mumford-Shah model to obtain a new model capable of detecting roof edges. In this new model, we have assumed a piecewise planar surface for each bounded region. We have also shown that this new model is less dependent on the scale parameter ν than the original Mumford-Shah model. We have proved that the gradient projection method can produce the minimal energy. The validity of the new model is demonstrated by experimental results.