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Multimedia Data Hiding and Authentication via Halftoning and Coordinate Projection

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Figure

Figure 2: (a) Source image M0. (b) Embedded image M1.
Figure 4: Candidates for the set C. (a) Distributed points covering [0, 255]2. (b) A relative smooth function f.
Figure 5: (a) Modified image M′0 with M1 embedded using the set C in Figure 4b. (b) Extracted image M′1 after JPEG compression of M′0.
Figure 9: Reconstructed source image after median filtering ofFigure 8b.

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