Robust light field watermarking by 4D wavelet transform
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Robust light field watermarking by 4D wavelet transform

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Robust light field watermarking by 4D wavelet transform

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Ansari, Amir; Saavedra Tortosa, Genaro; Martínez Corral, Manuel Perfil
This document is a artículoDate2020
Unlike common 2D images, the light field representation of a scene delivers spatial and angular description which is of paramount importance for 3D reconstruction. Despite the numerous methods proposed for 2D image watermarking, such methods do not address the angular information of the light field. Hence the exploitation of such methods may cause severe destruction of the angular information. In this paper, we propose a novel method for light field watermarking with extensive consideration of the spatial and angular information. Considering the 4D innate of the light field, the proposed method incorporates 4D wavelet for the purpose of watermarking and converts the heavily-correlated channels from RGB domain to YUV. The robustness of the proposed method has been evaluated against common image processing attacks.

    Ansari, Amir Saavedra Tortosa, Genaro Martínez Corral, Manuel 2020 Robust light field watermarking by 4D wavelet transform Ieee Access 8 203117 203133
https://doi.org/10.1109/ACCESS.2020.3035912

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