Effects on frequency aliasing during prepress processing are analyzed and discussed according to the theory of digital signal processing, and some methods are given to improve the output quality of images, graphics and characters by using anti aliasing techniques, which can be used to guide the actual reproduction.
Trend of prepress processing and plate making technology and information communication and share and integration between multimedia is presented in the light of new products and technolgies at Drupa 2000,it is shown that print media has become an important output unit of digitized society,demand on print media is continuously increasing
This article explains with the cases of the prepress processing of the Chinese-traditional version periodical published in the China's mainland,analiyses the quality of the conversion methods of the Chinese simple and traditional character and discusses the characteristic and merit of the self-made software which benefits the artificial intervention during the actual work.
From the point of view of prepress production socialization,the bottlenecks of prductivity and qualty control in digital workflow which exist in two types of prepress production units are discussed thus giving some improvement suggestions.
With the rapid development of the Information Technology and the other correlated technology, the pre-printing process of the modern printing corporation has been digitalized completely.