Optically readable marking sheet and reading apparatus and method therefor
First Claim
1. An optical reader for reading an optically readable markable ballot sheet having a ballot sheet identifier and an anti-copy feature thereon, the optical reader comprising:
- an imager for imaging the ballot sheet wherein the image includes the ballot sheet identifier, the anti-copy feature and voting selections marked in mark spaces on the ballot sheet;
a processor for determining from the anti-copy feature in the image of the ballot sheet whether the ballot sheet is an original ballot sheet, and, if the ballot sheet is an original ballot sheet;
the processor for decoding from the image of the ballot sheet the ballot sheet identifier for selecting a template defining locations of mark spaces, andthe processor for decoding from the image of the ballot sheet the mark spaces in accordance with the selected template for recording the voting selections marked on the ballot sheet,whereby the voting selections marked on an original ballot sheet are decoded and recorded in accordance with the template corresponding to the ballot sheet identifier.
3 Assignments
0 Petitions
Accused Products
Abstract
A ballot or sheet having an anti-copying feature provides for detecting from an image of the ballot or sheet whether the ballot or sheet is an original or is a copy. The anti-copying feature may lighten or darken, or both, when copied and may or may not be evident to the human eye. A reader comprising an imager and a processor is for reading the ballot or sheet and for determining whether the ballot or sheet is an original or is a copy, and for determining selections marked thereon. A method for reading the ballot or sheet is for determining from an image of the ballot or sheet whether the ballot or sheet is an original or is a copy, and for determining selections marked thereon.
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Citations
22 Claims
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1. An optical reader for reading an optically readable markable ballot sheet having a ballot sheet identifier and an anti-copy feature thereon, the optical reader comprising:
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an imager for imaging the ballot sheet wherein the image includes the ballot sheet identifier, the anti-copy feature and voting selections marked in mark spaces on the ballot sheet; a processor for determining from the anti-copy feature in the image of the ballot sheet whether the ballot sheet is an original ballot sheet, and, if the ballot sheet is an original ballot sheet; the processor for decoding from the image of the ballot sheet the ballot sheet identifier for selecting a template defining locations of mark spaces, and the processor for decoding from the image of the ballot sheet the mark spaces in accordance with the selected template for recording the voting selections marked on the ballot sheet, whereby the voting selections marked on an original ballot sheet are decoded and recorded in accordance with the template corresponding to the ballot sheet identifier. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for reading an optically readable markable ballot sheet having a ballot sheet identifier and an anti-copy feature thereon, the method comprising:
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imaging the ballot sheet including imaging the ballot sheet identifier, the anti-copy feature and voting selections marked in mark spaces on the ballot sheet; determining from the anti-copy feature in the image of the ballot sheet whether the ballot sheet is an original ballot sheet, and, if the ballot sheet is an original ballot sheet; decoding from the image of the ballot sheet the ballot sheet identifier for selecting a template defining locations of mark spaces; and decoding from the image of the ballot sheet the mark spaces in accordance with the selected template for recording the voting selections marked on the ballot sheet, whereby the voting selections marked on an original ballot sheet are decoded and recorded in accordance with the template corresponding to the ballot sheet identifier. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for reading an optically readable ballot sheet having a copying revealing region thereon including an anti-copy feature that has a predetermined intensity when viewed under a first lighting condition and that has a lighter or darker intensity when viewed under a second artificial lighting condition, the ballot sheet further having plural marking features thereon at least some of which are within the copy revealing region and some of which are not within the copy revealing region, said method comprising:
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imaging the ballot sheet under the second artificial lighting condition, the image including the copying revealing region having the anti-copy feature and the plural marking features; determining from the image of the ballot sheet the intensity of at least a part of the anti-copy feature; decoding from the image of the ballot sheet at least one of the marking features that are within the copy revealing region; comparing the intensity of the at least part of the anti-copy feature or the intensity of the at least one marking features or both with a predetermined anti-copy feature intensity for determining whether the ballot sheet is an original ballot sheet, and, if the ballot sheet is an original ballot sheet; decoding from the image of the ballot sheet a ballot sheet identifier for selecting a template defining locations of mark spaces; and decoding the mark spaces from the image of the ballot sheet in accordance with the selected template for recording the voting selections marked on the ballot sheet, whereby the voting selections marked on an original ballot sheet are decoded and recorded in accordance with the template corresponding to the ballot sheet identifier. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification