Comprehensive Information Hiding in an Image Using Wavelet Transform
Snehal Ghormade1, Bhagwat Kakde2
1Snehal Ghormade,  Department of Electronics & Communication Engineering, RGPV, Bhopal, India.
2Bhagwat Kakde,  Department of Electronics & Communication Engineering, RGPV, Bhopal, India.
Manuscript received on January 25, 2014. | Revised Manuscript received on February 15, 2014. | Manuscript published on February 28, 2014. | PP: 272-277  | Volume-3, Issue-3, February 2014. | Retrieval Number:  C2630023314/2013©BEIESP

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Abstract: This research paper is concerned with the steganography in a digital image. Steganography is always preferred upon encrypting the secret information because hiding arouses less suspicion as it conceals its very existence. The techniques developed in the past mainly comprises of hiding only a text or an image within an image. The scheme presented here is an attempt to achieve an efficient wavelet based technique for hiding different forms of multimedia information within an image. This system will certainly provide additional intelligence as audio, text and image are embedded in a single image concurrently. Experimental results show that the proposed algorithm can be successfully implemented with very high quality and imperceptibility. Further, the approach used here provides an additional security which prevents the intruder from retrieving the secret information even if the existence of secret information is noticed.
Keywords: Discrete wavelet transform, Image Processing, Information Hiding, Steganography, Secured Digital Communication.