吉林大学学报(工学版) ›› 2000, Vol. 30 ›› Issue (01): 39-43.

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A Compression Algorithm for Predictive Processing Based on WBS Coding and Block Coding

LIU Zi-liang, WANG Ke, ZHANG Xiao-xu, WANG Hang   

  1. College of Information Science &|Engineering, Jilin University Technology, Changchun 130025, China
  • Received:1999-08-31 Online:2000-01-25 Published:2000-01-25

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Abstract:

In this paper,a new theory and a method for predictive processing based on two-valued image compressing are proposed and an algorithm based on mathematics for improving the efficiency of WBS coding and block coding of binary image is presented.The basic principle is to eliminate the black straight line sectors(vertical or horizontal) by preprocessing them before encoding.The compression ratio is then increased.

Key words: two-valued image, coding, predictive processing, compression algorithm

CLC Number: 

  • TP317.4


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