Abstract:

This paper makes a comparative analysis on techrical standards of COM in the field of domestic micrographics, document management, archive industry, observes the angle, ideas and methods of the standard test frames, summarizes the set on the test frames, resolving power, character recognition, density and other key technical parameters, as well as the criteria for the COM conversion principles and actual operation, in order to provide a reference for design standards and operating procedures that comply with Chinese characters COM.

Key words: COM, technical standards, test frame