Delayed vehicle identification for privacy enforcement
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United States of America Patent
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Aug 9, 2016
Grant Date -
Apr 16, 2015
app pub date -
Oct 16, 2013
filing date -
Oct 16, 2013
priority date (Note) -
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Abstract
A method for recognition of an identifier such as a license plate includes storing first visual signatures, each extracted from a first image of a respective object, such as a vehicle, captured at a first location, and first information associated with the first captured image, such as a time stamp. A second visual signature is extracted from a second image of a second object captured at a second location and second information associated with the second captured image is acquired. A measure of similarity is computed between the second visual signature and at least some of the first visual signatures to identify a matching one. A test is performed, which is a function of the first and the second information associated with the matching signatures. Only when it is confirmed that the test has been met, identifier recognition is performed to identify the identifier of the second object.
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