X3d虚拟校园，用x3dedit 3.2开发

用鼠标控制绘图程序,包括直线,矩形,圆等-drawing with the mouse control procedures, including linear, rectangular, round, etc.

数字图像处理书籍的入门编程，对初学者有些帮助-Digital image processing book entry programming, some help for beginners

主要介绍人脸的检测和识别原理及其编程实现方法；人脸检测及定位技术和人脸识别技术。人脸检测及定位技术就是判断图像中是否存在人脸。如果存在，则需要确定人脸的位置和大小等，并将人脸区域从图像背景中分离出来。

阐述了图像检索的提取纹理特征的方法之一：灰度直方图，数学定义以及相关的知识点-Image Retrieval on the extraction of texture features one of the ways: histogram, mathematical definition of the relevant knowledge points

计算机图形学课程里的相关编程。介绍如何利用计算画图的一些经典画法。-Computer graphics related programming courses. Introduce how to use some of the classic calculation of drawing painting.

利用双缓冲技术避免图像闪烁的源码-use double buffering technology to avoid images flashing FOSS

立体旋转的圈,用数组将坐标点保存；根据三维坐标变换；将立体的坐标变换成不成角度的坐标值；再根据正等轴侧（其它轴测图）、或透视坐标变换将坐标值变换到屏幕上用直线将图形绘制出来。-three-dimensional rotating the ring, and the array will coordinate point preservation; Under the three-dimensional coordinate transformation; three-dimensional coordinates of the point of not being converted into the coordinate value; According are equiaxed side (other isometric drawing), Perspective or coordinate transform coordinates on the screen to transform linear graphics will be available.

点聚图。二维坐标，范围自动调整。-point Poly map. Two-dimensional coordinates, and automatically adjust the scope.

反镜像应用，提供一个反白镜像。做其他的应用。

类似画笔的绘图控件源代码-similar brush graphics controls source code