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- W2366467103 abstract "To address issues of content authenticity verification and integrity protection,a watermarking method based on binocular just-noticeable-difference(BJND) is proposed for tamper localization and recovery of stereoscopic images.Firstly,for its strong stability,singular values of the left and right images of a stereoscopic image are used to construct authentication-bits for the left and right images.Then,the generated stereoscopic image authentication-bits are embedded into the left image by making use of the binocular just-noticeable-different value.Finally,the recovery information of right image and occlusion parts in the left image is produced with discrete cosine transform and JPEG quantization compression,and embedded into the right and left images themselves,respectively.The experimental results show that the watermarking constructed with the proposed method is robust to incident attacks,such as JPEG compression,salt and peppy noise and Gaussian white noise,but relatively fragile to mailicious attacks,for example,crop,forgery,rotate,etc.The accuracy of tamper detection is higher than 98% for malicious attacks.For different stereoscopic images degraded by malicious attakcs,the peak signal-to-noise ratios(PSNRs) of the recovered left and right images of the stereoscopic images are from 36.02 dB to 41.29 dB,by taking full advantage of the matching characteristics between the left and right images." @default.
- W2366467103 created "2016-06-24" @default.
- W2366467103 creator A5049898953 @default.
- W2366467103 date "2013-01-01" @default.
- W2366467103 modified "2023-09-27" @default.
- W2366467103 title "BJND based watermarking method for tamper localization and recovery of stereoscopic image" @default.
- W2366467103 hasPublicationYear "2013" @default.
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