CMRT09: Object Extraction for 3D City Models, Road Databases and Traffic Monitoring - Concepts, Algorithms, and Evaluation 
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Figure 8: Correlation score of the hypotheses with road 
sign DB. 
Figure 10: Detection of road signs. 
Figure 11 : Detection of red road signs. 
Figure 12: Detection of blue road signs. 
Figure 9: A false detection example. Red light of tri color 
light is detected as wrong way traffic sign. 
Figure 13: Detection of particulars road signs. 
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