Steganography In Image:A Review

These days while sending a data over an unsecure channel, the most important thing is security. To acquire that security of data techniques such as data hiding plays an important role. Steganography is a science to hide data in such a way that the hidden information is not detectable. Different carrier file formats can be used to hide the data like, images, videos, audios, text. But the most popular one are the digital images due to their high frequency on internet. Now there are several steganography techniques to hide data inside images. Different applications require different steganography techniques. This paper intends to look at different image Steganography Techniques. Also take a look at which steganography technique is more suitable for which applications.