PICTURE PROCESSING METHOD AND PICTURE PROCESSOR

• Main Authors: TAKASHIMA YOICHI, NAKAMURA TAKAO, OGAWA HIROSHI
• Format: Patent
• Language: English
• Published: 25.09.1998
• Edition: 6
• Subjects: ADVERTISING; CALCULATING; CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY; COMPUTING; COUNTING; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; SEALS

PROBLEM TO BE SOLVED: To precisely read multiplexed auxiliary information by changing the distance from an original point at the time of polar coordinate-displaying a frequency component obtained by executing discrete Fourier transformation on a picture block and repetitively multiplexing auxiliary...