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A new orientation-adaptive interpolation method

delete2007-04-01
delete151
PRE
AI
Q
Qing Wang *
R
Rabab Ward
DOI：10.1109/TIP.2007.891794delete
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Abstract

Abstract

En 中文
We propose an isophote-oriented, orientation-adaptive interpolation method. The proposed method employs an interpolation kernel that adapts to the local orientation of isophotes, and the pixel values are obtained through an oriented, bilinear interpolation. We show that, by doing so, the curvature of the interpolated isophotes is reduced, and, thus, zigzagging artifacts are largely suppressed. Analysis and experiments show that images interpolated using the proposed method are visually pleasing and almost artifact free.
Keywords:
curvature
directional interpolation
image interpolation
isophote
zigzagging
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

IEEE Transactions on Image Processing cover
IEEE Transactions on Image Processing
IF:
13.7
Papers:
1.0W
Citations:
8.4W

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