数据库的基础知识讲解和各种数据库的操作技巧和方法应用-To explain the basics of databases and a variety of techniques and methods of operation of the database application

用delphi对数字图像进行预处理，包括图像的灰度化，二值化，反色，中值滤波，高斯滤波，gabor变换，二值图像和灰度的腐蚀，膨胀，以及图像的sobel，prewitt，robert，kirsch，laplace，canny，marr边缘检测-Use delphi for digital image preprocessing, including image gray-oriented, thresholding, anti-colo