发明名称 INFORMATION RECORDING DEVICE AND INFORMATION DETECTION DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide an information recording device in which a large number of pieces of information can be recorded in a content by using a bar code without deteriorating image quality of the content. <P>SOLUTION: In an information recording device image, a frequency component of the content and a frequency component of an image pattern of a two-dimensional bar code are added, and an image content including the image pattern of the two-dimensional bar code is restored from the frequency component after addition. Thus, effect for recording much more information in the image content by using the two-dimensional bar code without deteriorating image quality of the image content can be displayed. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005086356(A) 申请公布日期 2005.03.31
申请号 JP20030314448 申请日期 2003.09.05
申请人 MITSUBISHI ELECTRIC CORP 发明人 WADA MINORU;MATSUZAKI KAZUHIRO;MURAKAMI ATSUMICHI;ITO HIROSHI;ASAI KOTARO;SUZUKI MITSUYOSHI
分类号 G06K1/12;G06K7/00;H04N1/387 主分类号 G06K1/12
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