Roadway Sign Data Collection Video log image data collection QA/QC Database GIS spatial analysis and presentation, and mapping GeoTranSolution (GTS) Automatic.

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Presentation transcript:

Roadway Sign Data Collection Video log image data collection QA/QC Database GIS spatial analysis and presentation, and mapping GeoTranSolution (GTS) Automatic sign recognition Reports Image pattern recognition Geometrical optics computation Object Geo- referencing Successive image superposition and validation GIS data Integration (Aerial photos; video log images; geodatabase)

Image Processing Algorithm Color Segmentation ROI Extraction Sign Detection Sign Recognition

Sign Extraction Image containing speed limit Processed binary image after color segmentation Final speed limit extraction

Automatic Sign Extraction

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