摘要
文献图像的数字化和压缩是图书馆和档案馆保护文献的新手段和为读者提供在线服务的前提条件 ,也是国际图书馆和档案馆未来发展的方向。本文介绍了文献图像数字化的基本概念和原理以及国际上一些图书馆在这方面的新动态。通过比较目前常用的静态图像压缩标准 ,本文着重讨论了 JPEG2 0 0 0这种极具前途的静态图像压缩标准的概念、特性以及在图书馆实践中的应用。
Digitization and compression of document images is the new option for preserving documents in libraries and archival institutions. It is the prerequisite for on-line service of information through Internet and is a general trend of the development of libraries and archival institutions throughout the world. This paper introduces the basic concepts and principles of digitizing document images and latest achievements in some of the libraries abroad. By comparing the characteristics of the most popular image compression standards currently used, this paper gives detailed information of JPEG 2000, the most promising still image compressing standard and its application in library's practices in the world.
出处
《现代图书情报技术》
CSSCI
北大核心
2003年第1期22-24,共3页
New Technology of Library and Information Service
