Image processing device and image processing method

Details Image processing device and image processing method Image processing device and image processing method

2005-05-24

2005-05-24

Mehta, Bhavesh M. (Department: 2623)

Image analysis

Image transformation or preprocessing

Combining image portions

C382S282000, C382S294000, C382S300000, C358S538000, C358S540000, C358S450000, C358S453000

Reexamination Certificate

active

06898332

ABSTRACT:
The object of the invention is to convert a low-quality original image into a high-quality fractal-interpolated image. From a low-quality original image, original image blocks of n×n size, which are mutually overlapping and each centered on each pixel of the original image, are acquired. Also, similar image blocks of 2n×2nsize, which are each similar to each of the original image blocks, are detected from the original image by affine transformation. The detected similar image blocks are reduced to the same size as the original image blocks, and then substituted for the original image blocks respectively. Then, overlapping portions of the substituted similar image blocks are adjusted by averaging. As a result, a high-quality fractal-interpolated image is generated.

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Office Action from Japanese Patent Office for Application No. 2000-398418 dated Jun. 4, 2004.

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