结合PCA+LDA的图像识别算法VC封装类,PCA（主元素分析，光照敏感）,可用于人脸识别的初级算法...

在VC++2005下，用OpenGL正射投影画了立方体，进行了纹理，并且提供三维场景的图片输出-In the VC++2005, using OpenGL orthographic projection drawing of the cube, for texture, and provide three-dimensional scene image output

一个基于VC的最小二乘法直线拟合,很有用哦-a VC-based linear least squares fitting method, useful oh

拉普拉斯锐化（边缘检测）,在readme.txt里有详细的使用说明-Laplacian sharpening (edge detection), the readme.txt are detailed usage

实现BIG和GB间的转换-achieve BIG and the conversion GB

This paper studies the problem is how to determine the amount of stored coal, the difference with the common method, according to the table of calorific value and density of a list of data, without considering the influence of other factors on the density of the premise, the establishment reflects the density (y) and calorific value (x) model of the relationship, which can be obtained by the coal heat density of coal and draws a conclusion that the amount of stored coal.

huffman图像压缩算法-Huffman Image Compression Algorithm

椭圆的中点画法(计算机图形学)-elliptical were dotted (computer graphics)

/* * 功能：PHP图片水印 (水印支持图片或文字) * 参数： *$groundImage 背景图片，即需要加水印的图片，暂只支持GIF,JPG,PNG格式； *$waterPos水印位置，有10种状态，0为随机位置； *1为顶端居左，2为顶端居中，3为顶端居右； *4为中部居左，5为中部居中，6为中部居右； *7为底端居左，8为底端居中，9为底端居右；

添加图片效果，包含：DissolveWipe DownWipe UpWipe LeftFadeWater Coloretc -add photo effects, including : DissolveWipe DownWipe UpWipe LeftFadeWater Coloretc

fourier transform 2D