Abstract

Steganography is the technique to the fact that communication is taking place, by hiding secure information in other information. Secret data can embed in different types of objects like text file, audio, image or video but image is commonly used as carrier file for steganography. For hiding secret information a large variety of image steganography techniques are available with their respective pros and cons. Some algorithm provides more payload capacity while some provide more robustness against attack. This paper provides working and comparative analysis of some of the existing spatial based image steganography techniques.

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