United States Department of Transportation
i
The development of a full-digital and networkable multi-media based highway information system : phase 1
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1999-07-26
[PDF-4.40 MB]
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Edition:Final report 1/94-6/97
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Abstract:This report covers the development of a Multimedia Based Highway Information System (MMHIS). MMHIS extends the capabilities of current photo logging facilities. Photographic logging systems used by highway agencies provide engineers with information in the analysis of traffic accidents, design improvements, and highway pavement management. However, there exist limitations for such systems in the areas of accessibility, search capability of the image library, and synchronization of the video data with traditional engineering site data. The analog nature of the video signals also presents difficulties in integrating the visual information with other types of data. This report presents the development of a multimedia service that can be applied in a state highway department environment. This Multimedia-based Highway Information System (MMHIS) utilizes state-of-the-art technologies in digital video, high-speed networking, and the video server. A data synchronization algorithm was developed to dynamically display digital video frames along with traditional engineering data sets that contain information such as as-built data, pavement condition and performance, traffic safety, geometric features, and other infrastructure data. Geo-referencing capabilities were also developed into MMHIS, so that multimedia data is location-referenced in the databases.
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