Abstract-Steganography refers to the methods that using to hide information inside objects known as "Cover Objects". These objects include image, audio, and video. Inside objects the information remains concealed to any unauthorized recipient. digital images are the most popular because of their repetition on the Internet. the information progressed and data become more and more valuable. This paper intends to give an review of image Steganography, its uses and applications, Specifically BMP Format.
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