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http://dx.doi.org/10.5392/JKCA.2014.14.08.030

Improved Watermark Embbeding Algorithm Using Directional Prediction and Bilinear Interpolation  

Shin, Soo-Yeon (충북대학교)
Suh, Jae-Won (충북대학교)
Publication Information
The Journal of the Korea Contents Association / v.14, no.8, 2014 , pp. 30-39 More about this Journal
Abstract
The proposed watermark embedding algorithm uses histogram of difference image between a modified original image and predicted image. To increase the prediction performance of the predicted image, the reference pixels for prediction are adaptively selected and the other pixels are directionally interpolated with the reference pixels. The simulation result shows that the proposed algorithm gives good performances in the embedding capacity and the PSNR values.
Keywords
Watermark; Data Hiding; Histogram Shift;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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