| 摘要 |
PROBLEM TO BE SOLVED: To provide an user with utilization of information added with a security function in a photoservice system using an image input device in which a silver halide color photographic sensitive material is simply and easily handled. SOLUTION: An image information enciphering method is characterized by that first image information is produced by optically reading image recording information of the developed silver halide color photographic sensitive material via an image sensor, second image information is produced by performing image correcting treatment to the first image information, further complex image information in which the image correcting information corresponding to the image correcting treatment and the second image information are joined together, is produced and the complex image information is enciphered.
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