Content-aware halftone image resizing using iterative...

Details Content-aware halftone image resizing using iterative... Content-aware halftone image resizing using iterative...

2008-09-30

2011-12-13

Haskins, Twyler (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S002100, C382S298000

Reexamination Certificate

active

08077356

ABSTRACT:
As provided herein, there are supplied teachings to systems and methods for resizing a halftone image using halftone tile parameters. One approach entails receiving into a digital imaging system, a digital halftone image and a desired resizing factor for that digital halftone image. The system will then define cells within the digital halftone image and determine from those cells, a number of halftone tile seams to suitable for manipulation. The orientation of these halftone tile seams is dictated by the received desired resizing factor. The seam energy of these halftone tile seams is then determined according to an energy metric so as to provide indication of a number of low energy determined halftone tile seams. The number of low energy seams identified is sufficient to achieve the desired resizing factor. A resizing of the halftone image is then performing by iteratively deleting the low energy determined halftone tile seams within the halftone image. The resized halftone image may then be printed on a printer.

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Bernal et al., U.S. Appl. No. 12/242,036, filed simultaneously herewith, entitled “Content-Aware Halftone Image Resizing”.
Bernal et al., U.S. Appl. No. 12/242,183, filed simultaneously herewith, entitled “Content-Aware Resizing of Uniform Rosette Color Halftone Images”.
Bernal et al., U.S. Appl. No. 12/242,222, filed simultaneously herewith, entitled “Content-Aware Uniform Rosette Color Halftone Image Resizing Using Iterative Determination of Energy Metrics”.
Avidan and Shamir, entitled “Seam Carving for Content-Aware Image Resizing”, Mitsubishi Electric Research Labs, ACM Transactions on Graphics, vol. 26, No. 3, SIGGRAPH 2007.

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