WO2005031676A3 - Automated estimation of average stopped delay at signalized intersections - Google Patents

Automated estimation of average stopped delay at signalized intersections Download PDF

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Publication number
WO2005031676A3
WO2005031676A3 PCT/US2004/031526 US2004031526W WO2005031676A3 WO 2005031676 A3 WO2005031676 A3 WO 2005031676A3 US 2004031526 W US2004031526 W US 2004031526W WO 2005031676 A3 WO2005031676 A3 WO 2005031676A3
Authority
WO
WIPO (PCT)
Prior art keywords
stopped delay
vehicles
images
average
signalized intersections
Prior art date
Application number
PCT/US2004/031526
Other languages
French (fr)
Other versions
WO2005031676A2 (en
Inventor
Mitsuru Saito
William R Hereth
Alan Zundel
Original Assignee
Univ Brigham Young
Mitsuru Saito
William R Hereth
Alan Zundel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Brigham Young, Mitsuru Saito, William R Hereth, Alan Zundel filed Critical Univ Brigham Young
Priority to EP04789058A priority Critical patent/EP1702311A4/en
Priority to CN2004800277220A priority patent/CN1868212B/en
Publication of WO2005031676A2 publication Critical patent/WO2005031676A2/en
Publication of WO2005031676A3 publication Critical patent/WO2005031676A3/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions

Abstract

A system and method for automated estimation of average stopped delay at signalized intersections using digitized still image analysis of actual traffic flow is disclosed (figure 1). The system and mathod includes digitizing images of an intersection and creating a line of pixels that acts as a virtual sensor in a traffic lane of interest (102). Background intensities of the pixel line on the traffic lane without vehicles are compared to pixel intensities on images with traffic (110). Once vehicles are identified, the present method and system provides for three alternative embodiments of methods for determining the stopped delay for an entire image or for a particular vehicle (110). Once the stopped delay for all relevant images or for all relevant vehicles is determined, the average stopped delay per vehicle is estimated (112).
PCT/US2004/031526 2003-09-24 2004-09-24 Automated estimation of average stopped delay at signalized intersections WO2005031676A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04789058A EP1702311A4 (en) 2003-09-24 2004-09-24 Automated estimation of average stopped delay at signalized intersections
CN2004800277220A CN1868212B (en) 2003-09-24 2004-09-24 Automated estimation of average stopped delay at signalized intersections

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US50566603P 2003-09-24 2003-09-24
US60/505,666 2003-09-24
US10/948,104 2004-09-23
US10/948,104 US7747041B2 (en) 2003-09-24 2004-09-23 Automated estimation of average stopped delay at signalized intersections

Publications (2)

Publication Number Publication Date
WO2005031676A2 WO2005031676A2 (en) 2005-04-07
WO2005031676A3 true WO2005031676A3 (en) 2006-07-27

Family

ID=34396258

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/031526 WO2005031676A2 (en) 2003-09-24 2004-09-24 Automated estimation of average stopped delay at signalized intersections

Country Status (4)

Country Link
US (1) US7747041B2 (en)
EP (1) EP1702311A4 (en)
CN (1) CN1868212B (en)
WO (1) WO2005031676A2 (en)

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WO2019027460A1 (en) * 2017-08-03 2019-02-07 Ford Global Technologies, Llc Intersection crossing control
US10559197B2 (en) * 2018-04-13 2020-02-11 Toyota Jidosha Kabushiki Kaisha Remote vehicle control at intersections
CN109948436B (en) * 2019-02-01 2020-12-08 深兰科技（上海）有限公司 Method and device for monitoring vehicles on road
CN112750300B (en) * 2019-10-29 2022-09-27 阿波罗智联(北京)科技有限公司 Method and device for acquiring delay index data of road intersection
CN113112816B (en) * 2021-04-06 2022-07-08 安徽百诚慧通科技股份有限公司 Method for extracting average running delay of vehicle on road section
US11741830B2 (en) 2021-08-25 2023-08-29 Imam Abdulrahman Bin Faisal University Method and apparatus for level of service assessment at signalized intersections

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Also Published As

Publication number Publication date
CN1868212A (en) 2006-11-22
EP1702311A4 (en) 2009-05-13
CN1868212B (en) 2011-06-29
WO2005031676A2 (en) 2005-04-07
EP1702311A2 (en) 2006-09-20
US7747041B2 (en) 2010-06-29
US20050105773A1 (en) 2005-05-19

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