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Title
CMRT09
Author
Stilla, Uwe

CMRT09: Object Extraction for 3D City Models, Road Databases and Traffic Monitoring - Concepts, Algorithms, and Evaluation
(b) Virtual view of the input 3D model
(c) Result of the camera selection by 2D ray-tracing:
no camera was detected for the current wall
(d) Result of the camera selection by 3D ray-tracing:
8 cameras were found viewing the current wall.
Figure 11. Example of a low building masking a façade
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