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Most important area in the recent years is the field of stegnography. It is the method of hiding data in the cover image, it can be done through the form of text, video or audio. The information is passed from the sender to the receiver without giving any hint to the external users. The phrase steganography derived from two Greek words: ‘steganos’ way covered and ‘graphos' approach writing and often refers to secret writing or facts hiding. The main goal of steganography is to increase conversation protection via placing secret message into the virtual picture. In this paper we have tried to implement the Least Significant bit (LSB), Spread Spectrum technique and DCT algorithm. LSB method is the simple steganographic technique to conceal the secret data in an image and it is commonly used. This method maintains the quality of the image. Steganography using LSB hides out the bits of the message image into the LSB of the cover image. The advantage of LSB steganography is that it is very simple, easy to employ and the final image obtained will be almost similar to the cover image, meaning that the quality of cover image remains same. This study aims to contribute to the understanding and advancement of image steganography techniques, offering valuable insights for researchers, practitioners, and policymakers involved in the field of information security and digital communication.
- et al. (Wed,) studied this question.