METHODS AND SYSTEMS FOR VERIFYING AUTOMATIC LICENSE PLATE RECOGNITION RESULTS
First Claim
1. A method for verifying automatic license plate recognition results, the method comprising:
- receiving, in a processing system, an input image of a license plate;
determining, in said processing system, a particular license template image associated with said license plate input image, said license template image having a text region and outer region;
extracting, in said processing system, bitmap data from said provided input image;
segmenting, in said processing system, said bitmap data into text region bitmap data and outer region bitmap data;
matching, in said processing system, said text region bitmap data against a text region bitmap of said license plate image template; and
matching, in said processing system, said outer region bitmap data against outer region bitmap of said template.
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Accused Products
Abstract
Methods and systems for verifying automatic license plate recognition results providing an input image of a license plate to a processing system that extracts bitmap data from the provided input image and determines a particular license template image associated with the license plate input image. The processing system segments the input image bitmap data into text region bitmap data and outer region bitmap data and then matches the input image text region bitmap data and input image outer region bitmap data against text region bitmap data and outer region bitmap data, respectively, of the license plate image template to determine if there is a match between the license plate of the input image and the template license plate.
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Citations
20 Claims
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1. A method for verifying automatic license plate recognition results, the method comprising:
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receiving, in a processing system, an input image of a license plate; determining, in said processing system, a particular license template image associated with said license plate input image, said license template image having a text region and outer region; extracting, in said processing system, bitmap data from said provided input image; segmenting, in said processing system, said bitmap data into text region bitmap data and outer region bitmap data; matching, in said processing system, said text region bitmap data against a text region bitmap of said license plate image template; and matching, in said processing system, said outer region bitmap data against outer region bitmap of said template. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for verifying automatic license plate recognition results, said system comprising:
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a processor; a data bus coupled to said processor; and a computer usable medium embodying computer program code, said computer usable medium being coupled to said data bus; and
said computer program code comprising instructions executable by said processor and configured to;receive an input image of a license plate; determine a particular license template image associated with said license plate input image, said license template image having a text region and outer region; extract bitmap data from said provided input image; segment said bitmap data into bitmap data text region and bitmap data outer region; match said text region bitmap data against a bitmap text region of said license plate image template; and match said outer region bitmap data against a bitmap outer region of said template. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A computer-usable medium for verifying automatic license plate recognition results, said computer-usable medium embodying computer program code, said computer program code comprising computer executable instructions configured for:
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receiving an input image of a license plate to a processing system; determining a particular license template image associated with said license plate input image, said license template image having a text region and outer region; extracting bitmap data from said provided input image; segmenting said bitmap data into bitmap data text region and bitmap data outer region; matching said text region bitmap data against a bitmap text region of said license plate image template; and matching outer region bitmap data against a bitmap outer region of said template. - View Dependent Claims (19, 20)
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Specification