土木工程编译词汇 ... 线缩 Lineal shrinkage 直链烷苯磺酸盐 Linear alkylate sulfonate，LAS 线性河槽 Linear channel ...
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Secondly, A digital image watermark algorithm based on lineal relation among the DCT coefficients is improved, which enhances the adaptation, imperceptibility and security of the watermarking.
2、对基于DCT系数线性关系的盲提取算法进行了改进，增强了水印的自适应性、不可见性和安全性。
参考来源 - 数字图像加密技术与水印技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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