Skip to main content

Table 2 Location accuracy for co-frequency sub-images with the individual corresponding first-order Markov model

From: JPEG image steganography payload location based on optimal estimation of cover co-frequency sub-image

DC 0.4926 0.5135 0.4913 0.5057 0.5703 0.5755 0.5667
0.7591 0.5071 0.4952 0.5076 0.5541 0.5571 0.5105 0.5340
0.4964 0.5049 0.4950 0.4995 0.5928 0.5318 0.5115 0.5027
0.5096 0.4880 0.4953 0.6347 0.5433 0.5098 0.5075 0.5032
0.5000 0.5036 0.6045 0.5362 0.5116 0.5015 0.4966 0.4897
0.5078 0.5843 0.5310 0.5212 0.5073 0.5027 0.5005 0.4912
0.5541 0.5286 0.5072 0.4973 0.4931 0.5019 0.5119 0.5101
0.5448 0.5122 0.5041 0.5125 0.4988 0.4990 0.4915 0.4942