搜索资源列表
imlogpolar
- 实现图像的对数极坐标变换，具有旋转不变性，可用于数字水印的抗几何攻击-achieving the right number of images Polar transform, with a rotating invariance, the digital watermark can be used against geometric attack
logpolar
- 本程序实现了对数极坐标的基本变换，可以在图像处理、稳像等领域进行应用-logpolar algorithm
logpolarTransfom
- 图像对数极坐标转换，matlab源码。简单，实用-Log-polar coordinate conversion image, matlab source code. Simple, practical
dsjzb_peizhun
- 参数估计是图像处理的一个很重要的环节 将坐标转化为对数极坐标可以有效的实现参数的估计 -Image processing parameter estimate is a very important part of the coordinates into polar coordinates on the number of parameters can be estimated to achieve effective
Resist-geometric-attacks
- 该算法把计算出的图像不变质心作为对其进行对数极坐标变换的原 点, 再作傅立叶变换, 取出中频段幅值作为水印嵌入域。该算法具有较好的鲁棒性、可检测性, 能同时抵抗几何攻击和信号 处理攻击, 它在数字图像的版权保护等领域有广泛的应用前景。-The algorithm to calculate the heart of the image does not degenerate as the number of its polar transformation of the origin, f
matlabhuitu
- matlab 绘图实例对数坐标 极坐标 直方图 三维图 绘图命令-matlab drawing instance logarithmic coordinates polar coordinates the three-dimensional map of the histogram drawing commands
OAMlight2
- 该代码用于处理光经过透镜做的傅里叶变换，利用对数极坐标的方法来分离涡旋光(The code is used to deal with the Fourier transform of light through the lens, and the method of logarithmic polar coordinates is used to separate the vortex optical rotation.)