METHOD FOR INTRODUCING WATERMARKS IN PATTERNS INDEPENDENTLY OF SCALE CHANGE

FIELD: protection of video information against unauthorized copying. ^ SUBSTANCE: proposed method using watermarks to protect video information against unauthorized copying by changing scale of pattern in the course of copying includes introduction of watermark in original video signal with differen...

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Bibliographische Detailangaben
1. Verfasser: RAJAN DZHON O
Format: Patent
Sprache:eng ; rus
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