Character recognition system and method for rail containers
First Claim
Patent Images
1. A method comprising:
- receiving updates comprising pre set data pertaining to a target code, the target code comprising one or more characters, each of the one or more characters having a relative position within the target code;
receiving a plurality of images;
identifying, from within a first image that comprises the target code, a character having a relative position within the target code;
comparing the character as identified from within the first image with a character identified from within a second image that comprises the target code, the character identified from within the second image having a relative position within the target code comparable to the relative position within the target code of the character as identified from within the first image;
identifying, based on the comparing, the character as identified from within the first image as the character identified from within the second image;
further comparing (a) the character as identified from within the first image as the character identified from within the second image with (b) a plurality of characters from the pre set data, each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image; and
selecting, by a processor and based on (i) the further comparing and (ii) a determination that each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image correspond to a particular character, an identification result for the character that corresponds to the particular character in lieu of an identification of the character as identified from within the first image as the character identified from within the second image.
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Abstract
A system and method, which enables precise identification of characters contained in vehicle license plates, container I.D, chassis I.D, aircraft serial number and other such identification markings. The system can process these identified characters and operate devices, such as access control operations, traffic systems and vehicle and container tracking and management systems, and provide records of all markings together with their images.
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Citations
20 Claims
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1. A method comprising:
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receiving updates comprising pre set data pertaining to a target code, the target code comprising one or more characters, each of the one or more characters having a relative position within the target code; receiving a plurality of images; identifying, from within a first image that comprises the target code, a character having a relative position within the target code; comparing the character as identified from within the first image with a character identified from within a second image that comprises the target code, the character identified from within the second image having a relative position within the target code comparable to the relative position within the target code of the character as identified from within the first image; identifying, based on the comparing, the character as identified from within the first image as the character identified from within the second image; further comparing (a) the character as identified from within the first image as the character identified from within the second image with (b) a plurality of characters from the pre set data, each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image; and selecting, by a processor and based on (i) the further comparing and (ii) a determination that each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image correspond to a particular character, an identification result for the character that corresponds to the particular character in lieu of an identification of the character as identified from within the first image as the character identified from within the second image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system comprising:
a processing unit to; receive updates comprising data pertaining to a target code; receive a plurality of images; identify, from within a first image that comprises the target code, a character having a relative position within the target code; compare the character as identified from within the first image with a character identified from within a second image that comprises the target code, the character identified from within the second image having a relative position within the target code comparable to the relative position within the target code of the character as identified from within the first image; identify, based on the comparison, the character as identified from within the first image as the character identified from within the second image; further compare (a) the character as identified from within the first image as the character identified from within the second image with (b) a plurality of characters within the data, each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image; and select, based on (i) the further comparison and (ii) a determination that each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image correspond to a particular character, an identification for the character that corresponds to the particular character in lieu of an identification of the character as identified from within the first image as the character identified from within the second image. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A method comprising:
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receiving one or more updates comprising one or more characters, each of the one or more characters having a relative position within a respective code; receiving a plurality of images; identifying, from within a first image that comprises a target code, a character having a relative position within the target code; comparing, by one or more processors, the character as identified from within the first image with a character identified from within a second image that comprises the target code, the character identified from within the second image having a relative position within the target code comparable to the relative position within the target code of the character as identified from within the first image; identifying, based on the comparing, the character as identified from within the first image as the character identified from within the second image; further comparing (a) the character as identified from within the first image as the character identified from within the second image with (b) a plurality of characters from the one or more updates, each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image; and selecting based on (i) the further comparing and (ii) a determination that each of the plurality of characters having a respective relative position that is comparable to the relative position of the character as identified from within the first image as the character identified from within the second image correspond to a particular character an identification result for the character that corresponds to the particular character in lieu of an identification of the character as identified from within the first image as the character identified from within the second image.
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Specification