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一种显示器屏幕图像翻拍的鉴定方法、装置及存储介质

成果领域:

推广方式:

成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明适用于三维数字水印领域，提供了一种局部球坐标系下的三维盲水印嵌入和提取检测方法及装置，嵌入部分为：先对待嵌入的原始水印图片进行预处理，获得待嵌入能量值和索引值，然后从待嵌入水印的三维模型中筛选出满足条件的候选顶点，并建立候选顶点的局部球坐标系，最后进行不可见性约束下的属性替换来嵌入索引信息和能量值，即完成了水印图片的嵌入过程；提取检测部分为：首先，筛选可能嵌入顶点，建立可能嵌入顶点的局部球坐标系获取球坐标值，并进行索引值和能量值提取，然后逆变换回空域得到提取的水印图片，最后将提取的水印图片与原始水印图片做相关计算来判断是否含有水印；本发明实现了三维模型可视化盲水印的不可见性嵌入及盲提取。

成果应用案例介绍

日常用品>办公用品>三维水印嵌入; 测量实验>检测方法>检测方法

联系方式

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