figure4_41

数字散斑相关计算中，亚像素位移检测，梯度算法(sub-pixel, gradient method,DSCM)

迭代最佳阈值分割算法，寻找最佳阀值检测边缘(best iteration threshold segmentation algorithm to find the best edge detection threshold)

基于自动种子选择的区域生长法，克服了传统区域法的很多缺点(Region growing method based on automatic seed selection, to overcome the many shortcomings of the traditional regional law)

通论算法，给人脸做重构处理，进一步完成人脸的样本稀疏化，还能更好的重构人脸。(The General Theory of algorithms, giving face to do reconstruction processing to complete further thinning of face samples, but also to better reconstruct the face.)

说明：  用MATLAB读取一幅任意大小和格式的彩色图片，并将图片数据保存到dat格式的m代码，同时还可以读取TXT格式的数据文件，并在MATLAB将其以图像的形式显示出来(Using MATLAB to read any size and format of a color image, and image data into m code dat format)

在图像传输时，常常需要对图像进行压缩，这些代码用来对图像进行压缩编码。(In the image transmission, it is often the need for image compression, the code used to image compression.)

说明：  全变分图像去噪 tv_L2 模型 具有非常好边界保持能力的去噪算法(total variational for denosing)

多种图像处理基本方法的源代码，包括图像分割和边缘检测，非常适合初学者参考使用。(A variety of basic methods of image processing source code, including image segmentation and edge detection, is suitable for beginners reference.)

介绍近场声全息的参考资料，其中格林函数对全息效果的影响是比较好的参考，有助于对全息的理解(Introduction nah reference materials, which affect the Green' s function of holographic effect is relatively good reference, contribute to the understanding of holography)

说明：  压缩感知的一个恢复算法，规则化正交匹配追踪(A recovery algorithm for compressed sensing, rules-based orthogonal matching pursuit)