DCT Based Robust & Secured Digital Image to Audio Watermarking Algorithm IJTSRD


In this paper, a new watermarking based on Discrete Cosine Transform Sub-band coding scheme is presented. This method uses the time domain signal & process it in frequency domain, while time domain features of the carrier remains same, so no one can identify the hidden data into it. The algorithm is based on Psychoacoustic Auditory Model & Spread Spectrum theory. It generates a watermark signal using spread spectrum theory & embeds it into the signal by measuring the masking threshold. Since the watermark is shaped to lie below the masking threshold, the difference between the original & the watermarked copy is imperceptible. Recovery of the watermark is performed without the knowledge of the original signal. In this work an image logo is taken which is of size 284×177 as data object called original image, & an audio of size 158 KB and duration of 0.7 Sec, is taken as carrier object. Ikchha Pandey | Siddarth Bhalerao | Papiya Dutta”DCT Based Robust & Secured Digital Image to Audio Watermarking Algorithm”

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-3 , April 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd12701.pdf

http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/12701/dct-based-robust-and-secured-digital-image-to-audio-watermarking-algorithm/ikchha-pandey

call for paper Mechanical Engineering, international journal Structural Engineering, ugc approved journals for engineering




DCT Based Robust & Secured Digital Image to Audio Watermarking Algorithm IJTSRD IEEE PAPER





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