DrawAckley

说明：  hough变换提取直线的程度，有详细注解，适合新人。(hough transform to extract linear extent, with detailed notes, for newcomers.)

最大类间方差法是由日本学者大津(Nobuyuki Otsu)于1979年提出的,是一种自适应的阈值确定的方法,又叫大津法,简称OTSU。它是按图像的灰度特性,将图像分成背景和目标2部分。背景和目标之间的类间方差越大,说明构成图像的2部分的差别越大,当部分目标错分为背景或部分背景错分为目标都会导致2部分差别变小。(The largest between-class variance method was proposed by the Japanese scholar Nobuyuki Otsu in 1979. It is an adaptive threshold determination method, also known as the Otsu method, or OTSU for short. It is based on the grayscale characteristics of the image and divides the image into two parts: the background and the target. The larger the variance between the background and the target, the greater the difference between the two parts that make up the image. When the part of the target is wrongly divided into backgrounds or part of the background is mis-divided into goals, the difference between the two parts will be smaller.)

压缩传感重构算法：稀疏基采用离散余弦变换的omp重构算法(Compressed sensing reconstruction algorithm: sparse basis using the discrete cosine transform reconstruction algorithm omp)

实现了vtk 和qt的简单结合，是一个基础的入门例子(Vtk and qt simple combination, is a basic entry examples)

一个简单的osg，可以在配置好环境后直接运行测试一下( a simple osg code)

flac3d中邓肯张自定义本构模型的源代码。(duncan self-defined model)

matlab仿真机械四连杆机构运动代码，包括运动仿真和变量变化分析图的生成(matlab simulation code mechanical four-bar linkage motion, including motion simulation and generation of variable change analysis map)

说明：  3DMM模型是三维人脸重建的基础模型，用于三维人脸重建任务。(3dmm model is the basic model of 3D face reconstruction, which is used for 3D face reconstruction task.)

是3d_rma数据库读写的程序，原来随数据库附带的读数据的程序读出的点有误，在此基础上做了一些修改，可以正确的读出。(3d_rma database is read-write procedure, the original database with the data attached to the procedure time to read out the points to be wrong, on this basis to do some modifications, you can read out the correct.)

制作人工散斑模拟图，很实用，可直接实用。(Production of artificial speckle simulation maps, very practical, direct and practical.)