Implementation of Variable Least Significant Bits Stegnography using DDDB Algorithm
Sahib Khan, Muhammad Haroon Yousaf, Jamal Akram · 2011
Nobody can deny the importance of secure communication. Different techniques are being utilized to achieve this task. Image Stegnography is one such method in which we hide data in an otherwise ordinary image. In this paper, a novel Stegnographic technique named as Variable Least Significant Bits Stegnography (VLSB) is proposed. To implement VLSB, we designed an algorithm named as Decreasing Distance Decreasing Bits Algorithm (DDDBA). In each test we performed, the data hiding capacity was always greater than 50 % ( a barrier considered in image Stegnography), ranging up to 69 % with signal to noise ratio varying from 10 db to 5 db respectively. The DDDBA provides self-encryption mechanism in VLSB Stegnography, making the Steganalysis more difficult.