Content-aware resizing of uniform rosette color halftone images

Details Content-aware resizing of uniform rosette color halftone images Content-aware resizing of uniform rosette color halftone images

2008-09-30

2011-12-13

Baker, Charlotte M (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S001200, C382S298000

Reexamination Certificate

active

08077357

ABSTRACT:
As provided herein, there are supplied teachings to systems and methods for resizing a digital uniform rosette halftone image composed of multiple colorant separations, by using uniform rosette halftone tile parameters. One approach entails receiving into a digital imaging system, a digital uniform rosette halftone image and a desired resizing factor for that digital uniform rosette halftone image. Subsequently the system will define uniform rosette cells within the color uniform rosette digital halftone image. From the defined uniform rosette cells, a number of uniform rosette halftone tile seams are determined for manipulation. The orientation of the number of uniform rosette halftone tile seams is dictated by the received desired resizing factor. An energy map of the digital uniform rosette halftone image is determined according to an energy metric derived from the multiple colorant separations. The energy of the number of uniform rosette halftone tile seams within the energy map is determined so as to provide indication of at least one low energy determined uniform rosette halftone tile seam. A resizing of the uniform rosette halftone image by manipulating the at least one low energy determined uniform rosette halftone tile seam is performed so as to obtain a resized uniform rosette halftone image. The resized uniform rosette halftone image may then be printed on a printer.

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