| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To secure security by protecting personal information from image data divided based on data items so that any individual can be prevented from being specified in a system for performing, based on image data divided by data item units, data entry for information enabling individuals to be specified. <P>SOLUTION: Image data to which identification number is applied in an individual unit and in which information enabling the individuals to be specified is described, is divided in data item units. The divided image information are given identification numbers, respectively and a code is generated by using encryption systems different for each data item or an encryption key by using original identification numbers, and defined as new identification numbers, and applied to the divided image data. Thus, data entry is performed by apparently eliminating the relevancy of data between data items, and preventing individuals from being specified from the divided image data for each item, then, it is possible to secure security. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
