High-Precision Integrated GPS/INS/CCD System for Transportation Applications

The Ohio State University currently is developing a GPS/INS/CCD integrated system1 for precise (centimeter level) monitoring of highway center and edge lines. The positioning component of the system is based on a tightly integrated GPS/INS system, and the imaging component comprises a single down-looking, highperformance digital color camera. The high image rate provides sufficient overlap of the subsequent images at highway speed; therefore, stereo data processing is expected to be performed in real-time with the support of on-the-fly navigation solution.