| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect data stored in an information processor. <P>SOLUTION: The information processor 10 is provided with a control part 11 for controlling the operation of the information processor, a storage part 17 for storing data, and an image pick up part 21 for picking up an image around the information processor. The control part 11 has: a background image extraction means for extracting a background image being an image area corresponding to the background from the image photographed by the image pickup part; an image similarity determining means for determining whether or not the background images are similar on the basis of information on the background image extracted by the background image extraction means and information on a background image which has been photographed before then and becomes a reference; and a data protection means for executing processing to protect data stored in the storage part when it is determined by the background image similarity determining means that the background images are not similar. <P>COPYRIGHT: (C)2008,JPO&INPIT |
