基于混沌理论和量化方法实现一种针对灰度图像的鲁棒水印算法 QIM_Block-Equel

用于姿态初始化（position initialize）(for position initializing)

能计算图像的灰度直方图，及其对应的灰度均值(calculate means ，variance，bins)

说明：  图像处理基于harris角点特征的图像配准程序(Image processing based on the characteristics of harris corner image registration procedures)

运用Perona-Malik各项异性扩散模型对二维图像进行去噪处理。该方法在有效的抑制噪声的同时能够保护图像的边缘。(The use of Perona-Malik Anisotropic Diffusion Model for the treatment of two-dimensional image denoising. The method in the effective suppression of noise at the same time to protect the edge of the image.)

用ssim方法对两幅图像进行比较的matlab源码( useful code of matlab for comparing of two pictures)

对特征值进行非极大值抑制的角点检测，并且选用了合适的阈值加强检测效果(corner detection by non-maxima suppression of Eigenvalues and selected the appropriate threshold to enhance detection)

对图像实现分块操作 很实用的程序(Realize the image sub-block operation is very useful procedure)

经典的数字图像处理的形态学处理，包含源代码(Digital image processing morphological processing)

说明：  matlab上面自动实现相机校准标定的一个工具库(Matlab toolbox for multiphase calibration can realize automatic calibration)

说明：  vmd分解之后分解信号和原信号的对比图、频谱图等(After VMD decomposition, the contrast and spectrum of the decomposed signal and the original signal, etc.)