Image Robust Watermarking Method Based on DWT-SVD Transform and Chaotic Map

Table 1

NIST SP800-22 test.

Test name	value	Result
Frequency	0.924076	Success
Block frequency	0.350485	Success
Cumulative sums	0.574903	Success
Runs	0.383827	Success
Longest run	0.040108	Success
Rank	0.759756	Success
Fast Fourier transform	0.419021	Success
Nonoverlapping template	0.616305	Success
Overlapping template	0.918793	Success
Universal	0.171867	Success
Approximate entropy	0.228189	Success
Random excursions	0.534146	Success
Random excursions variant	0.739918	Success
Serial	0.262249	Success
Linear complexity	0.595549	Success