一个灰常简单的数据库操作工具，纯绿色版，针对各种数据库进行操作，界面友好美观-A gray often simple database manipulation tools, pure green version, for a variety of database operations, user-friendly appearance

提升的9/7小波变换，用于处理一维或二维的灰度图像-9/7 lifting wavelet transform, processing one-dimensional or two-dimensional gray-scale image is used