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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2011.2158226
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|a eng
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|a Zhang, Yongbing
|e verfasserin
|4 aut
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|a Interpolation-dependent image downsampling
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|c 2011
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|a Text
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|a ƒaComputermedien
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|a Date Completed 19.04.2012
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|a Date Revised 19.10.2011
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Traditional methods for image downsampling commit to remove the aliasing artifacts. However, the influences on the quality of the image interpolated from the downsampled one are usually neglected. To tackle this problem, in this paper, we propose an interpolation-dependent image downsampling (IDID), where interpolation is hinged to downsampling. Given an interpolation method, the goal of IDID is to obtain a downsampled image that minimizes the sum of square errors between the input image and the one interpolated from the corresponding downsampled image. Utilizing a least squares algorithm, the solution of IDID is derived as the inverse operator of upsampling. We also devise a content-dependent IDID for the interpolation methods with varying interpolation coefficients. Numerous experimental results demonstrate the viability and efficiency of the proposed IDID
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|a Letter
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|a Research Support, Non-U.S. Gov't
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|a Zhao, Debin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Ruiqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Wen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 20(2011), 11 vom: 01. Nov., Seite 3291-6
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|x 1941-0042
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|g year:2011
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|g day:01
|g month:11
|g pages:3291-6
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|u http://dx.doi.org/10.1109/TIP.2011.2158226
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