1 Ocak 2010 Konferans bildirisi Açık Erişim

Ozbek, Nukhet; Tekalp, A. Murat

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    <subfield code="a">VITERBI-LIKE JOINT OPTIMIZATION OF STEREO EXTRACTION FOR ON-LINE RATE ADAPTATION IN SCALABLE MULTIVIEW VIDEO CODING</subfield>
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    <subfield code="a">The concept of Quality Layers (QL) has been adopted in the SVC standard in order to ensure optimal rate adaptation of pre-coded video in the rate-distortion sense [1]. We have previously extended QL to multiview scalable video for efficient transport of 3DTV over the Internet [2]. However, it is not possible to use the QL method in applications that require real-time encoding since priority determination process assumes the availability of the whole stereo video sequence. In this work, a Viterbi-like on-line, joint optimization of right and left view rate-adaptation is proposed for real-time scalable stereo video coding (with one GoP delay). We assume that the encoder/extractor is aware of the available dynamic network bandwidth in order to perform rate-distortion optimized MGS layer selection for each GoP. Experimental results show that the performance of proposed on-line method is comparable to that of QL that would require the whole stereo sequence.</subfield>
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    <subfield code="u">Koc Univ, Coll Engn, TR-34450 Istanbul, Turkey</subfield>
    <subfield code="a">Tekalp, A. Murat</subfield>
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    <subfield code="u">Yasar Univ, Comp Engn, TR-35100 Izmir, Turkey</subfield>
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    <subfield code="a">2010 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING</subfield>
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