Matlab Code for Image Steganography and Compression Using DCT Technique Project Source Code

 ABSTRACT

            Steganography is one of the methods of secret communication that hides the existence of message so that a viewer cannot detect the transmission of message and hence cannot try to decrypt it. It is the process of embedding secret data in the cover image without significant changes to the cover image. These algorithms keep the messages from stealing, destroying from unintended users on the internet and hence provide security. The proposed technique use Discrete Cosine Transform (DCT). The proposed method calculates each DC coefficient and replace with each bit of secret message. The proposed embedding method using DCT. In this project we perform DCT Based Image Steganography and Compression.

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Prof. Roshan P. Helonde

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WhatsApp: +917276355704

Email: roshanphelonde@rediffmail.com