Moving-picture coding apparatus, method and program
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United States of America Patent
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Issued Date -
Oct 23, 2008
app pub date -
Sep 24, 2007
filing date -
Sep 25, 2006
priority date (Note) -
Abandoned
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Abstract
Decoded is a first stream carrying moving-picture signals coded with a first coding scheme with a first intra-picture coding and an inter-picture coding technique, thus generating decoded moving-picture data. Picture-type information on each frame or field picture of the decoded moving-picture data is generated. The picture-type information indicates a first picture type or a second picture type. The first picture type is for each picture coded with the first intra-picture coding technique whereas the second picture type is for each picture coded with the inter-picture coding technique. The decoded moving-picture data is encoded with a second coding scheme with a second intra-picture coding technique, thus generating a second stream. Auxiliary information areas are created in the second stream. Each auxiliary information area is accessible in relation to each picture of the decoded moving-picture data. The picture-type information is inserted into the auxiliary information areas.
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