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isprsannals II 3 W1 27 2013

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Figure 1. The overall workflow of proposed sequential modelling algorithm.
Figure 2. Establishment of topological relations between I-Line  and L-Model For hypothesis generation
Figure 4. Sequential rooftop modelling process from: (a)  airborne image (left) and LiDAR data (right); (b) L-Model (initial LiDAR-driven model); and (c) improved rooftop model
Figure 7. Optimal weight value ( ) before (a) and after (b) the normalization of two regularization terms
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