street view wenyang liu gmat9205: fundamentals of geo-positioning session 1, 2010
TRANSCRIPT
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STREET VIEW
• Wenyang Liu• GMAT9205: Fundamentals of Geo-Positioning • Session 1, 2010
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Outline
• What is Street View?
• Processing of Street View
• Street View’ s future
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What is Street View & Why it is important for us ?
• Street view provides an easy way to get navigation information
• Computer applications
• Scientific applications
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What is Street View & Why it is important for us ?
• Street View:
One type of digital mapping
Digital mapping is the process by which a collection of data is compiled and formatted into a virtual image.
The primary function of this technology is to produce maps that give accurate representations of a particular area, detailing major road arteries and other points of interest
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Processing of Street View
• Image acquisition
• Geo-tagged photos
Geotagging is the process of adding
geographical identification data to
various media
Capture photos use
adapted vehicles with cameras
and laser scanners
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Processing of Street View
• Reconstructed virtual image
Image stitch--Navigable images are obtained that there is dramatic overlap between the frames in both horizontal and vertical directions
--Then different image techniques have been used to stitch the panoramic scene together.
A 360 degrees by 120 degrees panoramic image
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Street View’ s future
• An challenging thing : linking 3D modeling to 3D Geo-reference
Google : Google earth view in Google maps
• Precision of GPS
The integration of navigation systems (GPS/INS/GNSS)
• Privacy protection
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Thanks for your attention !