WO2007001314A3 - Automatically and accurately conflating road vector data, street maps, and orthoimagery - Google Patents

Automatically and accurately conflating road vector data, street maps, and orthoimagery Download PDF

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Publication number
WO2007001314A3
WO2007001314A3 PCT/US2005/023991 US2005023991W WO2007001314A3 WO 2007001314 A3 WO2007001314 A3 WO 2007001314A3 US 2005023991 W US2005023991 W US 2005023991W WO 2007001314 A3 WO2007001314 A3 WO 2007001314A3
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WO
WIPO (PCT)
Prior art keywords
imagery
conflation
vector
maps
alignment
Prior art date
Application number
PCT/US2005/023991
Other languages
French (fr)
Other versions
WO2007001314A2 (en
Inventor
Ching-Chien Chen
Craig A Knoblock
Cyrus Shahabi
Yao-Yi Chiang
Original Assignee
Geosemble Technologies Inc
Ching-Chien Chen
Craig A Knoblock
Cyrus Shahabi
Yao-Yi Chiang
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 Geosemble Technologies Inc, Ching-Chien Chen, Craig A Knoblock, Cyrus Shahabi, Yao-Yi Chiang filed Critical Geosemble Technologies Inc
Publication of WO2007001314A2 publication Critical patent/WO2007001314A2/en
Publication of WO2007001314A3 publication Critical patent/WO2007001314A3/en

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Classifications

    • G06T3/147—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3807—Creation or updating of map data characterised by the type of data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3833—Creation or updating of map data characterised by the source of data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/10—Terrestrial scenes
    • G06V20/13—Satellite images

Abstract

Automatic conflation systems and techniques which provide vector-imagery conflation and map-imagery conflation. Vector-imagery conflation is an efficient approach that exploits knowledge from multiple data sources to identify a set of accurate control points. Vector-imagery conflation provides automatic and accurate alignment of various vector datasets and imagery, and is appropriate for GIS applications, for example, requiring alignment of vector data and imagery over large geographical regions. Map­imagery conflation utilizes common vector datasets as 'glue' to automatically integrate street maps with imagery. This approach provides automatic, accurate, and intelligent images that combine the visual appeal and accuracy of imagery with the detailed attribution information often contained in such diverse maps. Both conflation approaches are applicable for GIS applications requiring, for example, alignment of vector data, raster maps, and imagery. If desired, the conflated data generated by such systems may be retrieved on-demand.
PCT/US2005/023991 2004-07-09 2005-07-05 Automatically and accurately conflating road vector data, street maps, and orthoimagery WO2007001314A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US58662304P 2004-07-09 2004-07-09
US60/586,623 2004-07-09
US11/169,076 2005-06-28
US11/169,076 US7660441B2 (en) 2004-07-09 2005-06-28 System and method for fusing geospatial data

Publications (2)

Publication Number Publication Date
WO2007001314A2 WO2007001314A2 (en) 2007-01-04
WO2007001314A3 true WO2007001314A3 (en) 2007-11-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/023991 WO2007001314A2 (en) 2004-07-09 2005-07-05 Automatically and accurately conflating road vector data, street maps, and orthoimagery

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US (1) US7660441B2 (en)
WO (1) WO2007001314A2 (en)

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US7660441B2 (en) 2010-02-09
US20070014488A1 (en) 2007-01-18

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