A Study and literature Review on Image

Abstract- In the present age, the exploration of digital multimedia content has lead to it being utilized as a medium of safe and secure communication. The art of secret communication by a secret medium like images is known as steganography as the rival method of detecting the presence of embedded data in media is called steganalysis. In this review article we have studied and analyzed the different methodologies from various researchers in their research. The main goal of image steganography is to hide the existence of the data message from illegal intention. Image steganography proposes a job to transfer the embedded secure data to the target destination without being detected through the unauthorized user. Various carrier file formats would be used, but digital images are large enough used due to the frequency and huge users on the worldwide Internet. To hide the secret data in images, there are large ranges of steganographic methodologies exist some are complex in used than others method. Every method has respective strong and weak points