1) cos-type layer
余弦层
2) hierarchical DCT
层次余弦变换
3) Layered DCT
层式余弦变换
1.
Digital Watermarking Using Visual Model Weights in the Layered DCT;
基于层式余弦变换和视觉特征的数字水印隐藏方法
2.
Experimental results show the layered DCT domain has high capacity which means the watermark is robust to several attack like JPEG coding.
提出基于层式余弦变换的隐藏水印方法 ,主要思路是在余弦变换的 DC系数和 AC系数中叠加水印信号频率值 ,这是因为 DC系数与 AC系数空间容量充足 ,故能保证水印的稳健性 。
4) Cosine
[英]['kəʊsaɪn] [美]['kosaɪn]
余弦
1.
Cosine Regression Purifying Method to Determine Positions of Least Square Centers in Different Cross Sections;
截面最小二乘圆心位置的余弦回归提取法
2.
The Inequlity for the weighted sum of cosine of interior angles in a convex n polygon.;
凸n边形内角加权余弦和不等式
3.
Implementation of Sine&Cosine Function Based on Look-up Ttable and Taylor Expansion
基于查找表和Taylor展开的正余弦函数的实现
5) SC (sine-cosine)
正弦-余弦
6) sine-cosine
正弦-余弦，正弦-余弦的
补充资料：Fourier余弦变换
Fourier余弦变换
Fourier cosine transform
I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条