ELECTRONIC WATERMARK INSERTION DEVICE, ROTATION ANGLE DETECTOR, AND ELECTRONIC WATERMARK DETECTOR, AND ELECTRONIC WATERMARK INSERTION METHOD, ROTATION ANGLE DETECTION METHOD, AND ELECTRONIC WATERMARK DETECTION METHOD

ELECTRONIC WATERMARK INSERTION DEVICE, ROTATION ANGLE DETECTOR, AND ELECTRONIC WATERMARK DETECTOR, AND ELECTRONIC WATERMARK INSERTION METHOD, ROTATION ANGLE DETECTION METHOD, AND ELECTRONIC WATERMARK DETECTION METHOD

PROBLEM TO BE SOLVED: To extend a rotation angle detection range of a read image from ≥0 degrees to

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Bibliographische Detailangaben
Hauptverfasser: MAJIMA ITSUMI, SHINOHARA ISAO, KANEDA TAKASHI, HOSOGANE YUTAKA
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Zusammenfassung:PROBLEM TO BE SOLVED: To extend a rotation angle detection range of a read image from ≥0 degrees to