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A Lossless Watermarking for 3D STL Model Based on Entity Rearrangement and Bit Mapping

机译:基于实体重排和位映射的3D STL模型无损水印

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摘要

With the wide application of 3D STL model in 3D printing, much attention has been paid to its content security and copyright protection. Based on entity rearrangement and bit mapping, a lossless and high capacity watermarking scheme is proposed tor 3D STL model. Experimental results and analysis show that the average capacity is improved 0.71bits/facet compared with the original entity rearrangement method, and the capacity is 0.247 bits/entity larger than that of the optimal capacity of the standard entity rearrangement method. It can achieve good efficiency and it is robust against translation, rotation and even scaling. It has potential application in secret communication and copyright protection of 3D STL model.
机译:随着3D STL模型在3D打印中的广泛应用,人们对其内容安全性和版权保护给予了极大关注。基于实体重排和位映射,提出了一种3D STL模型的无损大容量水印方案。实验结果和分析表明,与原始实体重排方法相比,平均容量提高了0.71bits / facet,比标准实体重排方法的最佳容量大了0.247bits / entity。它可以实现良好的效率,并且对平移,旋转甚至缩放具有鲁棒性。它在3D STL模型的秘密通信和版权保护中具有潜在的应用。

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