Local Negative Base Transform and Image Scrambling

Figure 10

Watermarking experiment based on LNBT and LSB: (a) original image; (b) watermarked image; (c) watermark image, (d), (f), (h), and (j) attacked images by cropping; (e), (g), (j), and (k) watermarks extracted from the attacked watermarked images.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)