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Video library for video imaging detection at intersection stop lines.
  • Published Date:
    2010-04-01
  • Language:
    English
Filetype[PDF-423.78 KB]


Details:
  • Alternative Title:
    Project title: Guidelines for best use of video detection for stop bar presence detection
  • Publication/ Report Number:
  • Resource Type:
  • Geographical Coverage:
  • NTL Classification:
    NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS ; NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control Devices ; NTL-SAFETY AND SECURITY-Highway Safety ;
  • Abstract:
    The objective of this activity was to record video that could be used for controlled evaluation of video image vehicle detection system (VIVDS) products and software upgrades to existing products based on a list of conditions that might be difficult to find in a timely manner. This library allows the user to present a wide range of weather, roadway, and lighting conditions to a VIVDS product in real time. The idea involves capturing the video and playing the recorded video through a VIVDS processor to determine the accuracy or change in accuracy to compare against a test protocol and/or verify claims of manufacturers. The test conditions include situations that are not easily obtainable and that might be particularly challenging for current detectors. This research task anticipates that TxDOT will encounter situations fairly often in which the desired conditions for full-scale field testing of VIVDS are not available or where quick turnaround tests are needed. There may be a need for a quick decision on a firmware upgrade or on a new product to establish at least an initial and preliminary basis for forming a decision on success or failure. There will probably be occasions where these initial results using the video library need to be verified by field testing if the desired conditions become available or if time and other resources allow such testing. TxDOT might want to establish a formal policy for the use of the library and conditions in which field testing might be desirable.
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