Abstract
Steganography is the science of hiding a message signal to host signal, without any distortion in the hosted signal. Using steganography, information can be hidden in hosted carrier such as images, videos, sounds files, text files, and data transmission. In image steganography, to improve the capacity of hidden data into hosted image without causing any statistically significant modification has a major concern. Many novel data hiding method based on Least Significant Bits (LSB) and Pixel Value Differencing (PVD) to increase the hiding capacity have been proposed with imperceptible quality. In this paper we have improved the Modified Kekre's Algorithm (MKA) which is based on LSB method. The improved scheme increases the embedding capacity while retaining the good quality of stego-image (carrying hidden data) as good as MKA. Experimental results show that the improved scheme outperform the original comparative scheme especially in capacity of hidden data-bits.
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