SYSTEMS AND METHODS FOR ESTIMATING THE GEOGRAPHIC LOCATION AT WHICH IMAGE DATA WAS CAPTURED
First Claim
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1. A method for estimating the geographical location at which image data was captured with a camera, the method comprising:
- identifying matching feature points between the captured images;
estimating a pose of the camera during the image capture from the feature points;
performing geometric reconstruction of a scene in the images using the estimated pose of the camera to obtain a reconstructed scene; and
comparing the reconstructed scene to overhead images of known geographical origin to identify potential matches.
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Abstract
In some embodiments, a system and method for estimating the geographical location at which image data was captured with a camera identifies matching feature points between the captured images, estimates a pose of the camera during the image capture from the feature points, performs geometric reconstruction of a scene in the images using the estimated pose of the camera to obtain a reconstructed scene, and compares the reconstructed scene to overhead images of known geographical origin to identify potential matches
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Citations
30 Claims
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1. A method for estimating the geographical location at which image data was captured with a camera, the method comprising:
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identifying matching feature points between the captured images; estimating a pose of the camera during the image capture from the feature points; performing geometric reconstruction of a scene in the images using the estimated pose of the camera to obtain a reconstructed scene; and comparing the reconstructed scene to overhead images of known geographical origin to identify potential matches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for estimating the geographical location at which image data was captured with a camera, the system comprising:
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a processing device; and memory storing a geolocation estimator comprising logic configured to; identify matching feature points between the captured images, estimate a pose of the camera during the image capture from the feature points, perform geometric reconstruction of a scene in the images using the estimated pose of the camera to obtain a reconstructed scene, and compare the reconstructed scene to overhead images of known geographical origin to identify potential matches. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A non-transitory computer-readable medium that stores a geolocation estimator for estimating the geographical location at which image data was captured with a camera, the computer-readable medium comprising:
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logic configured to identify matching feature points between the captured images; logic configured to estimate a pose of the camera during the image capture from the feature points; logic configured to perform geometric reconstruction of a scene in the images using the estimated pose of the camera to obtain a reconstructed scene; and logic configured to compare the reconstructed scene to overhead images of known geographical origin to identify potential matches. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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Specification