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|a eng
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| 100 |
1 |
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|a Zaghetto, Alexandre
|e verfasserin
|4 aut
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| 245 |
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|a Scanned document compression using block-based hybrid video codec
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|c 2013
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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 30.12.2013
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|a Date Revised 02.07.2013
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a This paper proposes a hybrid pattern matching/transform-based compression method for scanned documents. The idea is to use regular video interframe prediction as a pattern matching algorithm that can be applied to document coding. We show that this interpretation may generate residual data that can be efficiently compressed by a transform-based encoder. The efficiency of this approach is demonstrated using H.264/advanced video coding (AVC) as a high-quality single and multipage document compressor. The proposed method, called advanced document coding (ADC), uses segments of the originally independent scanned pages of a document to create a video sequence, which is then encoded through regular H.264/AVC. The encoding performance is unrivaled. Results show that ADC outperforms AVC-I (H.264/AVC operating in pure intramode) and JPEG2000 by up to 2.7 and 6.2 dB, respectively. Superior subjective quality is also achieved
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|a Journal Article
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|a de Queiroz, Ricardo L
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 22(2013), 6 vom: 11. Juni, Seite 2420-8
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|g year:2013
|g number:6
|g day:11
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