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231223s1999 xx |||||o 00| ||eng c |
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|a 10.1109/83.766864
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|a eng
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| 100 |
1 |
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|a Konstantinides, K
|e verfasserin
|4 aut
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| 245 |
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|a Image sharpening in the JPEG domain
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|c 1999
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 28.06.2010
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|a Date Revised 12.02.2008
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We present a new technique for sharpening compressed images in the discrete-cosine-transform domain. For images compressed using the JPEG standard, image sharpening is achieved by suitably scaling each element of the encoding quantization table to enhance the high-frequency characteristics of the image. The modified version of the encoding table is then transmitted in lieu of the original. Experimental results with scanned images show improved text and image quality with no additional computation cost and without affecting compressibility
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|a Journal Article
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|a Bhaskaran, V
|e verfasserin
|4 aut
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| 700 |
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|a Beretta, G
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 8(1999), 6 vom: 28., Seite 874-8
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|u http://dx.doi.org/10.1109/83.766864
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