Research Article

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

Table 2

Invisibility test.

Carrier imagePSNRSSIM

Lena43.06180.9894
Baboon43.08970.9964
Boat43.06720.9945
Couple43.05140.9856
Pepper43.05920.9875
Lake43.06170.9889
Man43.07230.9902
House43.08940.9961
Tower43.09030.9965
Sea43.06420.9893