dct_2d二维DCT变换

监控系统里的部分程序，有一些参考价值，请大家多提意见！-Monitoring system Part of the procedure, there are some reference value, please do so!

matlab编的特征匹配，用控制点可以进行匹配。简单的小程序，可直接运行。-Matlab series of the feature matching, control points can be used for matching. Simple small program can be directly run.

基于图像处理的相机自动调焦系统，很有借鉴意义-based on image processing camera auto-focusing system, a useful one

QR code java code 初学者可以-QR code java code beginners can

主要是通过将几幅图存储在FPGA中的几个RAM中，通过对不同的RAM内容的调取，实现动画的效果。该代码参考了黑金的建模的那些事儿完成的

直线的DDA,bresenham算法画图 圆的bresenham算法画图 椭圆的bresenham算法画图 均匀B样条曲线算法画图 多边形的Y-X填充算法画图 动态三维立体图形的正透视投影图-linear DDA, bresenham algorithm for drawing a round of bresenham algorithm to draw the ellipse drawing algorithm bresenham uniform B-spline curves polygon drawing algorithm Y-X filling algorithm drawing dynamic 3D graphics is the perspective projection map

用MATLAB编写的中值滤波程序，几乎囊括了所有中值滤波的类型，很全的哦。并包含测试的LENA图像。-Written using MATLAB median filter program, covering almost all of the type of median filter, it is full of oh. And includes tests LENA image.

我自己用vb写的一个写字版 用mid窗体写的 如果你在做写字版可以参考下呵呵不错的哦-my own use vb write a written version of the mid Form write if you do write in reference to the next version of Oh oh well

本代码主要实现了BMP格式的文件读取、显示、保存等基本操作-This code mainly realize the BMP file format to read, display, preservation of the basic operation

扫描目录甚至全盘照片文件存入本地数据库索引，可按要求排序，幻灯浏览等功能