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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2009.2035845
|2 doi
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|a eng
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| 100 |
1 |
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|a Võ, Dũng T
|e verfasserin
|4 aut
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|a Selective data pruning-based compression using high-order edge-directed interpolation
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|c 2010
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 09.03.2010
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|a Date Revised 19.01.2010
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a This paper proposes a selective data pruning-based compression scheme to improve the rate-distortion relation of compressed images and video sequences. The original frames are pruned to a smaller size before compression. After decoding, they are interpolated back to their original size by an edge-directed interpolation method. The data pruning phase is optimized to obtain the minimal distortion in the interpolation phase. Furthermore, a novel high-order interpolation is proposed to adapt the interpolation to several edge directions in the current frame. This high-order filtering uses more surrounding pixels in the frame than the fourth-order edge-directed method and it is more robust. The algorithm is also considered for multiframe-based interpolation by using spatio-temporally surrounding pixels coming from the previous frame. Simulation results are shown for both image interpolation and coding applications to validate the effectiveness of the proposed methods
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Solé, Joel
|e verfasserin
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| 700 |
1 |
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|a Yin, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gomila, Cristina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nguyen, Truong Q
|e verfasserin
|4 aut
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|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 19(2010), 2 vom: 19. Feb., Seite 399-409
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