Protected image resolution conversion

Details Protected image resolution conversion Protected image resolution conversion

2011-08-23

2011-08-23

Mehta, Bhavesh M (Department: 2624)

Image analysis

Image transformation or preprocessing

Combining image portions

C382S181000, C382S232000, C382S298000, C382S299000

Reexamination Certificate

active

08005317

ABSTRACT:
When an original image in which an object to be concealed is mosaicked is so reduced as to have a low resolution, the mosaic block size at the lowered resolution is computed. It is judged whether or not the concealed object can be perceived by the eye of a human even though the object is mosaicked with the reduced mosaic block size. If so, the concealed object is re-mosaicked with an adequate re-mosaic block size. With this, even for a reduced image reduced by lowering the resolution of the original image in which the object to be concealed is mosaicked, the privacy of the concealed object can be protected.

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