EP4139891A4 - Method and apparatus for vehicle length estimation - Google Patents

Method and apparatus for vehicle length estimation

Info

Publication number
EP4139891A4
EP4139891A4 EP20937268.9A EP20937268A EP4139891A4 EP 4139891 A4 EP4139891 A4 EP 4139891A4 EP 20937268 A EP20937268 A EP 20937268A EP 4139891 A4 EP4139891 A4 EP 4139891A4
Authority
EP
European Patent Office
Prior art keywords
vehicle length
length estimation
estimation
vehicle
length
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20937268.9A
Other languages
German (de)
French (fr)
Other versions
EP4139891A1 (en
Inventor
Jie Zhao
Jie Min
Xiao Dong Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Ltd China
Original Assignee
Siemens Ltd China
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 Siemens Ltd China filed Critical Siemens Ltd China
Publication of EP4139891A1 publication Critical patent/EP4139891A1/en
Publication of EP4139891A4 publication Critical patent/EP4139891A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30248—Vehicle exterior or interior
EP20937268.9A 2020-05-29 2020-05-29 Method and apparatus for vehicle length estimation Pending EP4139891A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/093539 WO2021237750A1 (en) 2020-05-29 2020-05-29 Method and apparatus for vehicle length estimation

Publications (2)

Publication Number Publication Date
EP4139891A1 EP4139891A1 (en) 2023-03-01
EP4139891A4 true EP4139891A4 (en) 2024-02-14

Family

ID=78745423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20937268.9A Pending EP4139891A4 (en) 2020-05-29 2020-05-29 Method and apparatus for vehicle length estimation

Country Status (3)

Country Link
EP (1) EP4139891A4 (en)
CN (1) CN115668297A (en)
WO (1) WO2021237750A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160232410A1 (en) * 2015-02-06 2016-08-11 Michael F. Kelly Vehicle speed detection
US10580164B2 (en) * 2018-04-05 2020-03-03 Microsoft Technology Licensing, Llc Automatic camera calibration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107248178B (en) * 2017-06-08 2020-09-25 上海赫千电子科技有限公司 Fisheye camera calibration method based on distortion parameters
CN109086650B (en) * 2017-06-14 2022-04-12 现代摩比斯株式会社 Calibration method and calibration apparatus
CN108898840A (en) * 2018-05-08 2018-11-27 江苏理工学院 A kind of intelligent traffic lamp control method based on video monitoring
CN109255316B (en) * 2018-08-30 2021-12-28 深圳市路畅科技股份有限公司 Lane deviation detection method and system
CN110307791B (en) * 2019-06-13 2020-12-29 东南大学 Vehicle length and speed calculation method based on three-dimensional vehicle boundary frame

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160232410A1 (en) * 2015-02-06 2016-08-11 Michael F. Kelly Vehicle speed detection
US10580164B2 (en) * 2018-04-05 2020-03-03 Microsoft Technology Licensing, Llc Automatic camera calibration

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HAN J ET AL: "Vehicle distance estimation using a mono-camera for FCW/AEB systems", INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, THE KOREAN SOCIETY OF AUTOMOTIVE ENGINEERS, HEIDELBERG, vol. 17, no. 3, 30 April 2016 (2016-04-30), pages 483 - 491, XP035676322, ISSN: 1229-9138, [retrieved on 20160430], DOI: 10.1007/S12239-016-0050-9 *
See also references of WO2021237750A1 *

Also Published As

Publication number Publication date
CN115668297A (en) 2023-01-31
EP4139891A1 (en) 2023-03-01
WO2021237750A1 (en) 2021-12-02

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