Digital anti-counterfeiting software method and apparatus
First Claim
1. An automated method for digitally encoding an image, the method comprising:
- providing a first digitized input image;
dividing the first digitized input image into a number of elemental input image segments each having an input segment length dimension and a common input segment width dimension sized so that the number of input image segments per inch is equal to or a multiple of a decoder lens frequency;
resizing the input image segments to form corresponding output image segments each having an output segment length dimension equal to the length dimension of the corresponding input segment and a common width dimension that is a function of the input segment width dimension and a scrambling factor, the output segment being resized about a lengthwise segment centerline; and
forming a first encoded output image from the output image segments, the first encoded output image being configured so that if the encoded output image is printed, the first input image can be discerned by viewing the printed encoded output image through a lenticular lens having the decoder lens frequency.
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Abstract
This invention relates generally to a method and apparatus, as implemented by a software program on a computer system, for digitally producing counterfeit-deterring scrambled or encoded indicia images. This method and system are capable of combining a source image with a latent image so the scrambled latent image is visible only when viewed through a special decoder lens. The digital processing allows different latent images to be encoded according to different parameters. Additionally, latent images might be encoded into single component colors of an original visible image, at various angles from each other.
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Citations
19 Claims
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1. An automated method for digitally encoding an image, the method comprising:
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providing a first digitized input image;
dividing the first digitized input image into a number of elemental input image segments each having an input segment length dimension and a common input segment width dimension sized so that the number of input image segments per inch is equal to or a multiple of a decoder lens frequency;
resizing the input image segments to form corresponding output image segments each having an output segment length dimension equal to the length dimension of the corresponding input segment and a common width dimension that is a function of the input segment width dimension and a scrambling factor, the output segment being resized about a lengthwise segment centerline; and
forming a first encoded output image from the output image segments, the first encoded output image being configured so that if the encoded output image is printed, the first input image can be discerned by viewing the printed encoded output image through a lenticular lens having the decoder lens frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 15)
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9. An automated method for digitally encoding and embedding digital images into a source image, the method comprising:
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providing a first digitized input image;
dividing the first digitized input image into a number of elemental image segments each having an input segment length dimension and an input width dimension, the number of elemental image segments being established so that the number of image segments per inch is equal to or a multiple of a decoder lens frequency;
assembling the elemental image segments to form an output image;
rasterizing a source image into source image segments having a rasterization frequency equal to the number of image segments per inch; and
reforming the rasterized source image segments according to a pattern of the output image to form a revised source image having the output image embedded therein. - View Dependent Claims (10, 11, 12, 13, 14)
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16. A computer-readable medium having software code stored thereon, the software code being configured to cause a computer to execute a method for digitally encoding an image, the method comprising:
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receiving a first digitized input image;
dividing the first digitized input image into a number of elemental input image segments each having an input segment length dimension and a common input segment width dimension sized so that the number of input image segments per inch is equal to or a multiple of a decoder lens frequency;
resizing the input image segments to form corresponding output image segments each having an out put segment length dimension equal to the length dimension of the corresponding input segment and a common width dimension that is a function of the input segment width dimension and a scrambling factor, the output segment being resized about a lengthwise segment centerline; and
forming a first encoded output image from the output image segments, the first encoded output image being configured so that if the encoded output image is printed, the first input image can be discerned by viewing the printed encoded output image through a lenticular lens having the decoder lens frequency. - View Dependent Claims (17, 18, 19)
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Specification