发明名称 |
Data embedding device and data extraction device |
摘要 |
A data embedding device includes a dynamic image storage unit storing inter-frame prediction coded dynamic image data, an embedding data storage unit storing embedding data that is embedded into the inter-frame prediction coded dynamic image data, and an embedding unit embedding the embedding data into a rounding direction flag contained per frame data in the inter-frame prediction coded dynamic image data.
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申请公布号 |
US2004032969(A1) |
申请公布日期 |
2004.02.19 |
申请号 |
US20030637587 |
申请日期 |
2003.08.11 |
申请人 |
FUJITSU LIMITED |
发明人 |
KAZUI KIMIHIKO;NAKAGAWA AKIRA;MORIMATSU EISHI |
分类号 |
H04N7/32;G06T1/00;H03M7/36;H04N7/08;H04N7/081;(IPC1-7):G06K9/00;G06K9/36 |
主分类号 |
H04N7/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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