book3e_2

实现数字图像水印DWT域的水印可以进行水印的嵌入与提取(Realization of digital image watermark embedding and extracting watermark in DWT domain for watermarking)

用C编写程序来求解圆的面积和周长，这是以前的一个实习作业。(Write a program in C to solve the area and perimeter of a circle, which was previously an internship job.)

计算BBO晶体一类匹配时随非共线角变化的相位匹配角(Calculating the phase matching angle of BBO crystal with non-collinear angle)

一个齿轮时变啮合刚度求解的仿真程序，在刚度求解过程中，考虑了时变啮合刚度(Time-varying gear mesh stiffness of a simulation program to solve)

【实例简介】图片转PDF

自编的用于图像特征提取的源程序,解压后直接运行就ok了(writing for Feature Extraction source, unpacked directly ok on the run)

对于视频3D-DWT变换处理,嵌入水印图像。属于数字视频水印算法，包含水印嵌入算法以及水印提取算法。(3DDWT wavelet transform)

matlab环境下的基于形态学的分水岭算法,进行图象分割.(Matlab environment based on the morphology of the watershed algorithm for image segmentation.)

对于离焦图像进行自动对焦的图像判定，通过对一些列的图像，从离焦到对焦再到离焦进行图像分析从而获得对焦图像的图片。(For the defocus image autofocus image determination, through a series of images into focus and then from defocus defocused image analysis to obtain a focused image of the picture.)

基于DCT的数字水印算法 通过Arnold变换对水印进行置乱，增加了水印的鲁棒性，成功的实现了水印的嵌入和提取。(Arnold transform digital watermarking algorithm based on DCT watermark scrambling to increase the robustness of the watermark, the watermark embedding and extraction. )