Innovative Word-Hunt LSB Steganography: Minimize Pixel Modifications for Better Image Security 🖼️

Least Significant Bit (LSB) steganography is a
well known technique which operates in the spatial domain of
digital images. In this paper, the LSB Word-Hunt (LSB WH) is
presented. It is a novel LSB approach inspired by the word-hunt
puzzle. The main focus of LSB WH is to reduce the Expected
Number of Modifications per Pixel (ENMPP) when compared to
other methods in the literature. The results show that LSB WH
has an ENMPP around 0.315, for natural images with high
entropy on the second and the third least significant bits. Results
also show that the new method is robust to the statistical chisquare
attack.



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