METHOD AND DEVICE FOR DETECTING ATTACHED INFORMATION, DATA RECORDER, AND DATA REPRODUCING DEVICE

• Main Authors: HOSAKA KAZUHISA, MIYAHARA NOBUSADA, YAGASAKI YOICHI
• Format: Patent
• Language: English
• Published: 29.08.2000
• Edition: 7
• Subjects: ADVERTISING; CALCULATING; CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY; COMPUTING; COUNTING; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; SEALS

PROBLEM TO BE SOLVED: To improve detection accuracy in the case of detecting attached information that is attached to main information in a form of a predetermined pattern from the main information. SOLUTION: An evaluation value calculation device 41 uses a predetermined pattern to apply an arithmet...