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AssigneeXerox Corporation
InventorsChu-heng Liu, Jorge A. Alvarez, Douglas K. Herrmann, Jason Matthew LeFevre, Seemit Praharaj
Estimating the term…
Methods and systems for securely rendering a security feature with image data to be printed, can involve providing within the image data, data relating to a group of spots, and within the image data, mixing spots of two or more spot sizes among the group of spots to embed information within a stochastic or frequency modulation halftone image. In an embodiment, operations may be implemented for rendering a part of the image with a first spot among the group of spots and a remaining portion of the image with a second spot among the group of spots, wherein the second spot is smaller in size than the first spot.
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A method of securely rendering a security feature in an image printed with digital image data, comprising:
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A system for securely rendering a security feature with image data to be printed, comprising:
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A method of printing an image of a uniform patch, the uniform patch having an appearance of a uniform halftone, the uniform patch having at least a first region and a second region, wherein the first region comprises a first relative proportion of spots of a first size and spots of a second size, and the second region comprises a second relative proportion of spots of the first size and spots of the second size, the method comprising:
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Dependencies are inferred from the claim text.