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- Johannes Kopf
- University of Konstanz
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- Michael F. Cohen
- Microsoft Research
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- Dani Lischinski
- The Hebrew University
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- Matt Uyttendaele
- Microsoft Research
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説明
<jats:p>Image analysis and enhancement tasks such as tone mapping, colorization, stereo depth, and photomontage, often require computing a solution (e.g., for exposure, chromaticity, disparity, labels) over the pixel grid. Computational and memory costs often require that a smaller solution be run over a downsampled image. Although general purpose upsampling methods can be used to interpolate the low resolution solution to the full resolution, these methods generally assume a smoothness prior for the interpolation.</jats:p> <jats:p>We demonstrate that in cases, such as those above, the available high resolution input image may be leveraged as a prior in the context of a joint bilateral upsampling procedure to produce a better high resolution solution. We show results for each of the applications above and compare them to traditional upsampling methods.</jats:p>
収録刊行物
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- ACM Transactions on Graphics
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ACM Transactions on Graphics 26 (3), 96-, 2007-07-29
Association for Computing Machinery (ACM)