This is a simplest steganographic technique that embeds the bits of secret message directly into the least significant bit (LSB) plane of the cover image. In a gray-level image, every pixel consists of 8 bits. The basic concept of LSB substitution is to embed the confidential data at the rightmost bits (bits with the smallest weighting) so that the embedding procedure does not affect the original pixel value greatly.
Ashish Soni (2021). Steganography using LSB substitution (https://www.mathworks.com/matlabcentral/fileexchange/41326-steganography-using-lsb-substitution), MATLAB Central File Exchange. Retrieved .
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