WO2006043279A3 - Method and system for determining a relative displacement of a vehicle within a site - Google Patents

Method and system for determining a relative displacement of a vehicle within a site Download PDF

Info

Publication number
WO2006043279A3
WO2006043279A3 PCT/IL2005/001105 IL2005001105W WO2006043279A3 WO 2006043279 A3 WO2006043279 A3 WO 2006043279A3 IL 2005001105 W IL2005001105 W IL 2005001105W WO 2006043279 A3 WO2006043279 A3 WO 2006043279A3
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
frames
determining
displacement
site
Prior art date
Application number
PCT/IL2005/001105
Other languages
French (fr)
Other versions
WO2006043279A2 (en
Inventor
Rony Amira
Gadi Royz
Original Assignee
Mentorwave Technologies Ltd
Rony Amira
Gadi Royz
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 Mentorwave Technologies Ltd, Rony Amira, Gadi Royz filed Critical Mentorwave Technologies Ltd
Publication of WO2006043279A2 publication Critical patent/WO2006043279A2/en
Publication of WO2006043279A3 publication Critical patent/WO2006043279A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • 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
    • G06T2207/30241—Trajectory

Abstract

The invention relates to a system for determining a relative displacement and direction (also referred herein as 'orientation') change of a vehicle within a site which comprises: (a) a camera directed to the floor below the vehicle for periodically capturing floor frames; (b) at least one injector for injecting liquid or solid material to the site floor to form spots having a shape or pattern; (c) one or more containers for containing said liquid or solid; (d) a timer for setting such an injection rate that ensures a minimal number of spots within each frame captured by the camera; and (e) a processor for: (i) receiving camera frames, and marking in each frame one or more spots as reference points; (ii) comparing any two consecutive frames, and determining from the difference in the location of the reference points within the compared frames the corresponding x;y displacement of each reference point; (iii) from the determined x;y displacements of all the reference points, analyzing and determining the relative x;y displacement and change of direction of the vehicle compared to the time of capturing of the earlier of said two frames; and (iv) aggregating all said determined relative displacements and changes of direction in order to determine the accumulated displacement and change of direction of the vehicle.
PCT/IL2005/001105 2004-10-21 2005-10-20 Method and system for determining a relative displacement of a vehicle within a site WO2006043279A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL16477204A IL164772A0 (en) 2004-10-21 2004-10-21 Method and system for determining a relative displacement of a vehicle within a site
IL164772 2004-10-21

Publications (2)

Publication Number Publication Date
WO2006043279A2 WO2006043279A2 (en) 2006-04-27
WO2006043279A3 true WO2006043279A3 (en) 2007-01-18

Family

ID=36203343

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2005/001105 WO2006043279A2 (en) 2004-10-21 2005-10-20 Method and system for determining a relative displacement of a vehicle within a site

Country Status (2)

Country Link
IL (1) IL164772A0 (en)
WO (1) WO2006043279A2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862480A (en) * 1987-04-09 1989-08-29 Integrated Network Corporation Digital data service system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862480A (en) * 1987-04-09 1989-08-29 Integrated Network Corporation Digital data service system

Also Published As

Publication number Publication date
IL164772A0 (en) 2005-12-18
WO2006043279A2 (en) 2006-04-27

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