ADO访问数据库，实现BLOB数据：bmp，jpg图像的存取，并用ListBox显示数据库字段列表-ADO database and achieve BLOB data : bmp, jpg image access, ListBox and use database fields show list

Type Classification Code [英汉计算机大词典] n.分类码 :main.m (program control)discretize.m (converts image to discrete values)plotimg.m (plots划分 images)dirImg.m (computes the directional image)extract.m (extracts square portion of image抽取块方向图 - called by dirImg

In this paper the watermarking programs based on the discrete cosine transform (DCT) domain DC component (DC) is adopted. Through adjusting the block DCT coefficient of the image the watermarks are hidden. And blocking the selected image accord

一个简单的例子，演示了如何将JPG图片写入ACCESS数据库。-An example to show how to write jpg image to access database .