| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable only a regular user to browse a hidden image without being restricted by a medium of the image. <P>SOLUTION: A browsing device 1 includes a transmission part 10 which transmits light; an iris image acquisition part 20 which acquires a picked-up image of an iris for identifying a user of the browsing device 1; and a CPU 41 which authenticates the user based upon the picked-up image of the iris acquired by the iris image acquisition part 20, determines whether a hidden image previously included in an image can be viewed based upon a result of the authentication, and adjusts the light passing through the transmission part 10 based upon a result of the determination to change whether the hidden image can be viewed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
