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231223s2004 xx ||||| 00| ||eng c |
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|a (NLM)15376592
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Soares, Luis Ducla
|e verfasserin
|4 aut
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| 245 |
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|a Spatial shape error concealment for object-based image and video coding
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 12.10.2004
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a In this paper, an original spatial shape error-concealment technique, to be used in the context of object-based image and video coding schemes, is proposed. In this technique, it is assumed that the shape of the corrupted object at hand is in the form of a binary alpha plane, in which some of the shape data is missing due to channel errors. From this alpha plane, a contour corresponding to the border of the object can be extracted. However, due to errors, some parts of the contour will be missing and, therefore, the contour will be broken. The proposed technique relies on the interpolation of the missing contours with Bézier curves, which is done based on the available surrounding contours. After all the missing parts of the contour have been interpolated, the concealed alpha plane can be easily reconstructed from the fully recovered contour and used instead of the erroneous one improving the final subjective impact
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|a Comparative Study
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|a Evaluation Study
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|a Journal Article
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| 650 |
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|a Validation Study
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| 700 |
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|a Pereira, Fernando
|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 13(2004), 4 vom: 10. Apr., Seite 586-99
|w (DE-627)NLM09821456X
|x 1941-0042
|7 nnns
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| 773 |
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|g volume:13
|g year:2004
|g number:4
|g day:10
|g month:04
|g pages:586-99
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|a AR
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|d 13
|j 2004
|e 4
|b 10
|c 04
|h 586-99
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