Haar-Wavelet-Based Just Noticeable Distortion Model for Transparent Watermark

Watermark transparency is required mainly for copyright protection. Based on the characteristics of human visual system, the just noticeable distortion (JND) can be used to verify the transparency requirement. More specifically, any watermarks whose intensities are less than the JND values of an ima...

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Bibliographic Details
Main Authors: Lu-Ting Ko, Jwu-E Chen, Hsi-Chin Hsin, Yaw-Shih Shieh, Tze-Yun Sung
Format: Article
Language:English
Published: Hindawi Limited 2012-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2012/635738

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