Geocoding by image matching
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United States of America Patent
Stats
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May 29, 2012
Grant Date -
Dec 9, 2010
app pub date -
Jun 4, 2009
filing date -
Jun 4, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Embodiments of the present invention relate to systems, methods and computer storage media for associating a known geographic location with a known identity. Feature matching, of at least two images, is performed in at least two iterations. The iterations are based on an orientation of feature vectors associated with points of interest in each image. A geometric model is applied to the matched points of interest to improve the matched pairs. Two images are identified as being related. As a result, the known geographic location is associated with the known identity. Additional embodiments include augmenting feature vectors with a coordinate location of a related point of interest based on a geometric model. Further, an exemplary embodiment includes an additional matching iteration based on the augmented feature vectors. In an exemplary embodiment, the feature matching utilizes a Scale-Invariant Feature Transform (SIFT).
First Claim
Family
International Classification(s)
Cited Art Landscape
| Patent Info | (Count) | # Cites | Year |
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| * 7162338 Systems and methods for computing a relative pose for global localization in a visual simultaneous localization and mapping system | 156 | 2003 | |
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| * 2011/0216,090 REAL-TIME INTERACTIVE AUGMENTED REALITY SYSTEM AND METHOD AND RECORDING MEDIUM STORING PROGRAM FOR IMPLEMENTING THE METHOD | 34 | 2010 | |
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| * 2008/0313,179 INFORMATION STORAGE AND RETRIEVAL | 11 | 2008 | |
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| * 2008/0243,573 METHODS AND APPARATUS FOR IMPROVING THE ACCURACY AND REACH OF ELECTRONIC MEDIA EXPOSURE MEASUREMENT SYSTEMS | 6 | 2008 | |
Patent Citation Ranking
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