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An email-based high capacity text steganography using repeating characters
Published in International Journal of Computers and Applications, 2021
Mansoor Fateh, Mohsen Rezvani
Step 1: In the first step, the secret message is converted to a stream numbers using the LZW compression [14]. LZW is lossless dictionary based adaptive compression algorithm. LZW compression works by reading a sequence of symbols, grouping the symbols into strings, and converting the strings into integer codes. Decompression converts codes back into strings, obtaining the original symbols. 6. After that, these numbers are converted to binary and a bit stream is generated from the secret message.