A. CONVENTIONAL HISTOGRAM SHIFTING (HS) BASED RDHThe first step of HS based RDH is to generate a sharp histogram, i.e., prediction error (PE) histogram. For each pixel xi in cover image, it could be predicted by one precise prediction method with its neighborhood ones, i.e., precise rhombus prediction in [19], to obtain x and then the prediction error e would be computed by e = x-xi
CONVENTIONAL the HISTOGRAM SHIFTING A. (the HS) BASED the RDH <br>of The First of the HS based STEP IS to Generate the RDH Histogram A Sharp, IE, Histogram Prediction error (the PE). Cover the For each Pixel in Image XI, Could IT BE Prediction Predicted by Precise Method One with its neighborhood ones, ie, precise rhombus prediction in [19], to obtain x and then the prediction error e would be computed by e = x-xi
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A. COW HISTOGRAM SHIFTING (HS) 66<br>The first step of HS site RDH is to generate a sharp histogram, i.e., prediction error (PE) histogram. For each pixel xi in cover image, it can be ded by one precise pre-method method with its neighborhood ones, i.e., Precise rhombus prediction in s19, to obtain x and then the prediction error e will be computed by e x-xi
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