A Fast Binarization Method Based on High-Low Pass Filter for Document Image
——The Using of Digital Image Process Technics in Digital Library
Su Dongchu1 Chen Heping2 Sun Ping1
1 (The Library of Pingdingshan Normal College, Henan, 467002, China) 2 (College of Information Science and Engineering, Wuhan University of Science and Technology, Wuhan 430081, China)
Binarization is one of the chief technology in digital image processing in library, The quality of the digital books lie on the result of the binarization. This paper introduces a new whole binarization method by using image gray statistical characteristic value as threshold. In the course of the text image processing, the algorithm can automatically realize the threshold segmentation by using the characters of the high-low pass filter based on the histograms of distinct text images. The algorithm has lower time complexity and space complexity, and has been applied in one digital library system.
苏东出,陈和平,孙萍. 基于高低通滤波特征的文本图像快速二值化方法——谈数字图像处理技术在数字图书馆中的应用[J]. 现代图书情报技术, 2005, 21(3): 43-44.
Su Dongchu,Chen Heping,Sun Ping. A Fast Binarization Method Based on High-Low Pass Filter for Document Image
——The Using of Digital Image Process Technics in Digital Library. New Technology of Library and Information Service, 2005, 21(3): 43-44.
