60 страниц. 2014 год. LAP Lambert Academic Publishing Steganography is a technique of hiding data behind some file like image,text, audio video etc. for security reasons. Image Steganography deals with hiding data behind images. It has many techniques depending upon the the type of image used for data hiding. Existing techniques provide security but the capacity is left behind. The technique discussed in this work provides a perfect match between the security and capacity.