Research Article

Digital Image Steganography Using Eight-Directional PVD against RS Analysis and PDH Analysis

Table 5

Results of proposed eight-directional PVD technique.

Images 512×512×3Proposed, type 1 (t=3, Range Table 1)Proposed, type 2 (t=4, Range Table 2)
PSNRCapacityQBPBPSNRCapacityQBPB

Pot41.1523542400.99962.9937.1124759770.99883.15
House39.6923585750.99883.0038.3926258040.99843.34
Boat37.2523646850.99873.0134.0826597950.99733.38
Jet42.2123568280.99893.0040.3825388010.99853.23
Peppers37.8123566450.99883.0034.6925443920.99753.24
Tiffany41.4623535050.99872.9940.5325111390.99843.19
Baboon34.2623925730.99613.0432.0929393760.99373.74
Lena42.6223538920.99952.9940.4825335510.99923.22
Average39.5523613680.99863.0037.2226036040.99773.31