An Image Watermarking Scheme Using Arnold Transform and Fuzzy Smooth Support Vector Machine

Table 1

Experimental results of watermark imperceptibility and robustness.

Attacks	PSNR	BER
Image brightening (+75)	21.6031	0.0124
Image darkening (−50)	12.5791	0.0074
Image histogram equalization	15.9505	0.0088
Gaussian noise ( = 0 and = 0.02)	23.9825	0.0730
Median filter (9 9)	31.5116	0.0270
JPEG compression (10%)	22.7442	0.0737
Geometric cutting (left 100 300)	12.5184	0.0126
Geometric rotation	22.0357	0.0142