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WO2010115020A3 - Color and pattern detection system - Google Patents

Color and pattern detection system Download PDF

Info

Publication number
WO2010115020A3
WO2010115020A3 PCT/US2010/029658 US2010029658W WO2010115020A3 WO 2010115020 A3 WO2010115020 A3 WO 2010115020A3 US 2010029658 W US2010029658 W US 2010029658W WO 2010115020 A3 WO2010115020 A3 WO 2010115020A3
Authority
WO
WIPO (PCT)
Prior art keywords
objects
found
detect
devices
alerting
Prior art date
Application number
PCT/US2010/029658
Other languages
French (fr)
Other versions
WO2010115020A2 (en
Inventor
Robert Daniel Mcathur
Sean Joseph Howse
Original Assignee
Robert Daniel Mcathur
Sean Joseph Howse
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 Robert Daniel Mcathur, Sean Joseph Howse filed Critical Robert Daniel Mcathur
Publication of WO2010115020A2 publication Critical patent/WO2010115020A2/en
Publication of WO2010115020A3 publication Critical patent/WO2010115020A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/463—Colour matching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/48—Extraction of image or video features by mapping characteristic values of the pattern into a parameter space, e.g. Hough transformation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
    • G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
    • G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
    • 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
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • 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
    • G06T2207/30236—Traffic on road, railway or crossing
    • 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
    • G06T2207/30252—Vehicle exterior; Vicinity of vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mathematical Physics (AREA)
  • Traffic Control Systems (AREA)

Abstract

Devices and methods are disclosed for acquiring images and looking for objects within that image and alerting a user as to found objects. The preferred embodiment is the detection of red traffic signal lights as viewed from an automobile moving on a roadway and alerting a driver when a traffic signal is found. A second embodiment would be used to detect the green lights of traffic signals. The devices and methods are used to detect circular objects in the preferred embodiment. Transforms could also be used to detect other shaped objects and objects of colors other than red and green. The devices provide means to input operating parameters and alert drivers when target objects are found. Embodiments are included to improve the reliability and reduce false positive detection by rechecking color intensities within the coordinates of the found object.
PCT/US2010/029658 2009-04-01 2010-04-01 Color and pattern detection system WO2010115020A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21165709P 2009-04-01 2009-04-01
US61/211,657 2009-04-01

Publications (2)

Publication Number Publication Date
WO2010115020A2 WO2010115020A2 (en) 2010-10-07
WO2010115020A3 true WO2010115020A3 (en) 2011-02-10

Family

ID=42828936

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/029658 WO2010115020A2 (en) 2009-04-01 2010-04-01 Color and pattern detection system

Country Status (1)

Country Link
WO (1) WO2010115020A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9373046B2 (en) * 2014-09-10 2016-06-21 Continental Automotive Systems, Inc. Detection system for color blind drivers
US9824581B2 (en) 2015-10-30 2017-11-21 International Business Machines Corporation Using automobile driver attention focus area to share traffic intersection status
CN105930819B (en) * 2016-05-06 2019-04-12 西安交通大学 Real-time city traffic lamp identifying system based on monocular vision and GPS integrated navigation system
CN111536984A (en) * 2020-05-11 2020-08-14 北京百度网讯科技有限公司 Positioning method and device, vehicle-end equipment, vehicle, electronic equipment and positioning system
CN112700410A (en) * 2020-12-28 2021-04-23 北京百度网讯科技有限公司 Signal lamp position determination method, signal lamp position determination device, storage medium, program, and road side device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263737A (en) * 2006-03-28 2007-10-11 Clarion Co Ltd Navigation apparatus, method and program
US20080137908A1 (en) * 2006-12-06 2008-06-12 Mobileye Technologies Ltd. Detecting and recognizing traffic signs
JP2009015759A (en) * 2007-07-09 2009-01-22 Honda Motor Co Ltd Traffic light recognition apparatus
US20090074249A1 (en) * 2007-09-13 2009-03-19 Cognex Corporation System and method for traffic sign recognition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263737A (en) * 2006-03-28 2007-10-11 Clarion Co Ltd Navigation apparatus, method and program
US20080137908A1 (en) * 2006-12-06 2008-06-12 Mobileye Technologies Ltd. Detecting and recognizing traffic signs
JP2009015759A (en) * 2007-07-09 2009-01-22 Honda Motor Co Ltd Traffic light recognition apparatus
US20090074249A1 (en) * 2007-09-13 2009-03-19 Cognex Corporation System and method for traffic sign recognition

Also Published As

Publication number Publication date
WO2010115020A2 (en) 2010-10-07

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