Data-Hiding Scheme Using Multidirectional Pixel-Value Differencing on Colour Images

Figure 10

(a) Flower cover image. (b–d) R, G, and B histograms of cover image. (e) Flower stego image . (f–h) R, G, and B histograms of the proposed scheme on . (i) Flower stego image . (j–l) R, G, and B histograms of the proposed scheme on .

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)