Figure 7
From: Reversible Watermarking Techniques: An Overview and a Classification
(a) Histogram of Lena image, (b) Histogram of watermarked Lena image.
Figure 7 | EURASIP Journal on Information Security
From: Reversible Watermarking Techniques: An Overview and a Classification
(a) Histogram of Lena image, (b) Histogram of watermarked Lena image.