Locating secret messages in images
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
Locating steganographic payload via ws residuals
Proceedings of the 10th ACM workshop on Multimedia and security
Secret message location steganalysis based on local coherences of hue
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Binary image steganographic techniques classification based on multi-class steganalysis
ISPEC'10 Proceedings of the 6th international conference on Information Security Practice and Experience
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In this paper, we propose a steganalysis method that is able to identify the locations of stego bearing pixels in the binary image. In order to do that, our proposed method will calculate the residual between a given stego image and its estimated cover image. After that, we will compute the local entropy difference between these two versions of images as well. Finally, we will compute the mean of residual and mean of local entropy difference across multiple stego images. From these two means, the locations of stego bearing pixels can be identified. The presented empirical results demonstrate that our proposed method can identify the stego bearing locations of near perfect accuracy when sufficient stego images are supplied. Hence, our proposed method can be used to reveal which pixels in the binary image have been used to carry the secret message.