INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Russian patent published in 2011 - IPC G06T7/00 G06T3/40 

FIELD: information technology.

SUBSTANCE: information processing device enters image data which include a first group of pixels, a second group of pixels formed by interpolating the first group of pixels, and data for verifying the first group of pixels, verifies whether the first group of pixels was changed using the first group of pixels and verification data, verifies whether the second group of pixels was changed by determining whether the second group of pixels and the first group of pixels are in a predefined ratio, and determines whether image data were changed based on verification of whether the first group of pixels was changed, and verification of whether the second group of pixels was changed.

EFFECT: high security of image data.

7 cl, 19 dwg