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Figure 1. Classification result for building detection: result from point-wise likelihood analysis (left), and result from energy minimization combining point-wise likelihood and pair-wise spatial coherence (right)
Figure 3. Energies for different vertex numbers
Figure 4. Explicit reconstruction of building footprint: (a) local  fitting and (b) regularization of remaining line segments
Figure 7. Comparison of performance under various Gaussian  noise levels
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