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Image feature based high capacity steganographic algorithm
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DOI：10.1007/s11042-019-7369-y.png)
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摘要
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Steganography is the growing field of research, where hiding techniques are used to secure the communicative elements (e.g., images). In this paper, the message is hidden in the color image in spatial domain, exploring multi-bit Least Significant Bit (mLSB) steganography. Path trace, based on eccentricity of pixels gives the potential pixels to capacitate more hiding scope. Perspective based technique and meticulous statistical analysis are applied to immune the algorithm from sterilization along with other attacks. The algorithm overcome different tests done by benchmark like StirMark Benchmark 4.0, Receiver Operating Characteristic (ROC) curve. Visual Steganalysis and statistical tools like Dual Statistical Method and Histogram Difference are used to test the security and imperceptibility.The algorithm also ensures security with insignificant visual disturbance/distortion. Capacity per pixel after embedding, ranges from 9-bits to 12-bits and the minimum capacity per color per pixel is 2.37 and maximum is 2.69. The time complexity of the proposed algorithm is O(n(2)). The robustness is increased by unpredictable selection of bit for embedding.
Keyword:
Steganography
Steganalysis
Data hiding
Information hiding
Path trace
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1.9W
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3.2W
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