electronic watermarking

An improved method of inserting code data into a text data file, or "watermarking" is provided. Selected characters are overwritten or underwritten with one or more other characters in such a way that only the selected character is visible. Unlike other known methods, this method is insens...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LAURENCE FRANK TURNER, ATHANASSIOS MANIKAS
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	An improved method of inserting code data into a text data file, or "watermarking" is provided. Selected characters are overwritten or underwritten with one or more other characters in such a way that only the selected character is visible. Unlike other known methods, this method is insensitive to formatting changes, such as change of font or justification.