Source: http://www.google.ca/patents/US7917286
Timestamp: 2013-06-19 14:51:24
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Matched Legal Cases: ['art 3', 'Application No. 2', 'arth 1', 'arth 1', 'arth 1', 'arth 1', 'Application No. 200580013512', 'Application No. 200580013912', 'Application No. 1237', 'Application No. 1247', 'Application No. 2', 'Application No. 200580013512']

Patent US7917286 - Database assisted OCR for street scenes and other images - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Advanced Patent Search | Web History | Sign inAdvanced Patent SearchPatentsOptical character recognition (OCR) for images such as a street scene image is generally a difficult problem because of the variety of fonts, styles, colors, sizes, orientations, occlusions and partial occlusions that can be observed in the textual content of such scenes. However, a database query can...http://www.google.ca/patents/US7917286?utm_source=gb-gplus-sharePatent US7917286 - Database assisted OCR for street scenes and other imagesPublication numberUS7917286 B2Publication typeGrantApplication number11/305,694Publication date29 Mar 2011Filing date16 Dec 2005Priority date16 Dec 2005Also published asUS20070140595Publication number11305694, 305694, US 7917286 B2, US 7917286B2, US-B2-7917286, US7917286 B2, US7917286B2InventorsBret Taylor, Luc VincentOriginal AssigneeGoogle Inc.Patent Citations (104), Non-Patent Citations (61), Referenced by (4), Classifications (10) External Links: USPTO, USPTO Assignment, EspacenetDatabase assisted OCR for street scenes and other imagesUS 7917286 B2Abstract Optical character recognition (OCR) for images such as a street scene image is generally a difficult problem because of the variety of fonts, styles, colors, sizes, orientations, occlusions and partial occlusions that can be observed in the textual content of such scenes. However, a database query can provide useful information that can assist the OCR process. For instance, a query to a digital mapping database can provide information such as one or more businesses in a vicinity, the street name, and a range of possible addresses. In accordance with an embodiment of the present invention, this mapping information is used as prior information or constraints for an OCR engine that is interpreting the corresponding street scene image, resulting in much greater accuracy of the digital map data provided to the user.
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