A New Pixels Flipping Method for Huge Watermarking Capacity of the Invoice Font Image

<div>Two examples of calculating chaos degree: (a) its chaos degree is 4 and this pattern has a good quality; (b) its chaos degree is 12 and this pattern is a noise pattern and will bring about noise.</div>

The Scientific World Journal

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Figure 9

Figure 9: A New Pixels Flipping Method for Huge Watermarking Capacity of the Invoice Font Image 