Roadway Sign Data Collection

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Roadway Sign Data Collection
Image pattern recognition
Geometrical optics computation
Object Geo-referencing
Successive image superposition and validation
Video log image data collection
GeoTranSolution (GTS) Automatic sign recognition
GIS data Integration (Aerial photos video log
images geodatabase)
Database
QA/QC
GIS spatial analysis and presentation, and mapping
Reports
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Image Processing Algorithm
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Sign Extraction
Image containing speed limit
Processed binary image after color segmentation
Final speed limit extraction
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Automatic Sign Extraction