Multi-Carrier Information Hiding Algorithm Based on Vertex Partition of 3D Model

被引：0
|
作者：
Ren S. [1 ]
Lei X. [1 ]
Dan Z. [1 ]
He X. [1 ]
Shi L. [1 ]
机构：
[1] School of Information Engineering, Chang'an University, Xi'an
来源：
Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications | 2023年 / 46卷 / 01期
关键词：
information hiding; multi-carrier; robustness; sector analysis; three-dimensional model;
D O I：
10.13190/j.jbupt.2021-265
中图分类号：
学科分类号：
摘要：
To improve the robustness of information hiding on a single 3D model carrier, a multi carrier information hiding algorithm based on vertex partition of 3D model is proposed. Each 3D model is transformed into geometric invariant space, and multiple models are combined to form a multi-carrier fusion state by adjusting vertex normal vectors. The fused vertices are divided into feature points according to root mean square curvature. The fused vertex coordinates are sector partitioned, and secret information is hidden by changing the polar coordinates of feature vertices in the partition. Experimental results show that the proposed algorithm can resist attacks on 3D models such as simplification, clipping, noise and smoothing, and its robustness is significantly improved. © 2023 Beijing University of Posts and Telecommunications. All rights reserved.
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页码：109 / 114and126
相关论文
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