Data embedding device and data extraction device

Image analysis – Image compression or coding – Interframe coding

Reexamination Certificate

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C382S232000, C382S100000

Reexamination Certificate

active

10637587

ABSTRACT:
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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Choong-Hoon Lee, et al., “Adaptive Video Watermarking Using Motion Information”; Proceedings of SPIE, The International Society for Optical Engineering SPIE-Int. Soc. Opt. Eng. USA, vol. 3971 (2000), pp. 209-216, XP002404465.
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European Patent Office Search Report dated Nov. 23, 2006 for European Application No. 03255022.0—1522 that corresponds to the present pending US patent application (4 pages).

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