图形数据库的设计 浏览 导入 导出 删除等操作-Graphic database design view delete operation import and export

本文首先介绍了静态图像压缩（jpeg）编码算法的基本原理、压缩的实现过程及其重要过程的离散余弦变换（DCT）算法的实现原理及软件实现的例程，所需图像-This paper describes the static image compression (jpeg) coding algorithm is the basic principle of compression process and the important process of the realization of discret