应用科学学报 ›› 1994, Vol. 12 ›› Issue (1): 78-82.

• 论文 • 上一篇    下一篇

叠加在半色调图象上的两级图象的快速分离算法

杨敬安   

  1. 合肥工业大学
  • 收稿日期:1991-06-07 修回日期:1992-02-18 出版日期:1994-03-31 发布日期:1994-03-31

FAST SEPARATION ALGORITHM OF BI-LEVEL IMAGES SUPERIMPOSED ON HALFTONE IMAGES

YANG JINGAN   

  1. Hefei University of Tcchnology
  • Received:1991-06-07 Revised:1992-02-18 Online:1994-03-31 Published:1994-03-31

摘要: 在图象文件处理及分析过程中,对由两级和半色调图象构成的文件,通常利用分块密度差(Block Division Density-Difference)算法能够容易而且正确地分离每幅图象.

关键词: 半色调图象, 快速分离算法, 分块密度差算法, 两级图象

Abstract: This paper proposes a fast separation algorithm of bi-level images superimposed on halftone images.The technique used in the algorithm can separate bi-level images superimposed on halftone images correctly.Therefore it can be used to process and analyse facsimile effectively.

Key words: fast separation algorithm, block division density-difference algorithm, halftone image, bi-level images