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Reversible Data Hiding by Integer Wavelet Transform with Lossless EZW Bit Stream

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Figure

Fig 1: EZW coding with histogram shifting (EZHS) diagram. (a) Secret data embedding. (b) Data recovery
Table 1.  Image Quality Tested for Cameraman Image Using Cdf2.2 Wavelet
Fig 3: Cropped Stego-Images with different payload using Cdf2.2 wavelet.
Fig 4: Image Quality (in PSNR) and Compression Ratio (CR) Comparisons for Different Images at Various Wavelet Types

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