Steganography based image compression

( Vol-2,Issue-6,June 2016 )

Author(s): Rajandeep Kaur, Pooja

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Page No: 685-690
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Keywords:

DCT (Discrete Cosine Transform), DWT (Discrete Wavelet Transform), CR (Compression Ratio), PSNR (Peak Signal-to-Noise Ratio).

Abstract:

The intention of image compression is to discard worthless data from image so as to shrink the quantity of data bits favored for image depiction, to lessen the storage space, broadcast bandwidth and time. Likewise, data hiding convenes scenarios by implanting the unfamiliar data into a picture in invisibility manner. The review offers, a method of image compression approaches by using DWT transform employing steganography scheme together in combination of SPIHT to compress an image.

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