Image Processing Reference
In-Depth Information
a JPEG compression - quality factor: 30 (005_F)
b Image blurring - 3
×
3 averaging filter (018_F)
c Noise adding - zero mean, variance: 0.001 (032_F)
Fig. 6.2
Examples of postprocessing methods applied on whole image (left: original image,
right: post-processed image)
[17] or Zernike moments [19], have been proposed for use in block-based meth-
ods, but the use of cellular automata for this purpose is a completely new approach.
6.3.1
Block-Based Method for CMFD
Generally all block-based copy move forgery detection approaches follow similar
steps (Fig. 6.3 illustrates each step):
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