Image processing method and device for restoring...

Details Image processing method and device for restoring... Image processing method and device for restoring...

2007-03-05

2011-10-25

Wu, Jingge (Department: 2624)

Image analysis

Color image processing

Reexamination Certificate

active

08045794

ABSTRACT:
In an image processing device adapted to restore sub-information from composite image information produced by a composite image producing device which embeds invisible sub-information into visible main image information to produce the composite image information, the frequency components of the sub-information extracted for each of its color components are smoothed, and the optimum one is selected from among the results of the smoothing process performed for each color component of the sub-information.

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Xiaoqiang Li et al.; “Multi-Channel Data Hiding Scheme for Color Images”; Department of Computer Science & Engineering, Fudan University, Shanghai 200433, China; Apr. 28, 2003, pp. 569-573.

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