System and method for image warping

Details System and method for image warping System and method for image warping

2006-12-26

2006-12-26

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S419000, C345S647000, C382S298000, C708S300000

Reexamination Certificate

active

07154512

ABSTRACT:
A system for generating a target pixel in a target grid from a plurality of source pixels in a source grid, said system comprising, a filter controller for determining a first distance between said target pixel and a source pixel to the left of said target pixel, and a second distance between said target pixel and a source pixel to the right of said target pixel; a left portion lookup circuit for determining filter coefficients for a left portion of said target pixel in accordance with said first difference; a right portion lookup circuit for determining filter coefficients for a right portion of said target pixel in accordance with said second difference; and a filter reconstruction unit for creating a filter in accordance with said left and right portion filter coefficients, said created filter for generating said target pixel from said plurality of source pixels.

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Wolberg, George, “Digital Image Warping” IEE Computer Society Press, Los Alomos, California, 1990, Chapters 1, 4 and 5.

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