Volume 7 Number 12 (Dec. 2012)
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JSW 2012 Vol.7(12): 2840-2848 ISSN: 1796-217X
doi: 10.4304//jsw.7.12.2840-2848

Evaluation and Comparison on the Techniques of Vertex Chain Codes

Linghua Li1, Yining Liu2, Yongkui Liu1, Borut Žalik3
1College of Computer Science and Engineering, Dalian Nationalities University, Dalian, China
2College of Communication Engineering, Jilin University, Changchun, China
3Computer Science, University of Maribor, Maribor, Slovenia

Abstract—This paper firstly describes the techniques of six representative vertex chain codes, they are: original vertex chain code, extended vertex chain code, variable-length vertex chain code, variable-length compressed vertex chain code, dynamic vertex chain code, and equal-length compressed vertex chain code. The description includes the main idea and encoding method of each vertex chain code. Then the chain length, namely the code numbers, the memory occupancy, namely the general binary bits, the code average length of each code, namely bits per code of each vertex chain code were compared respectively by large numbers of experiments. In the end, the evaluation and comparison were given from the view of chain code efficiency. The goal of the paper is to provide convenience and reference for the chain code researchers and users.

Index Terms—chain code, vertex chain code, comparison, evaluation

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Cite: Linghua Li, Yining Liu, Yongkui Liu, Borut Žalik, "Evaluation and Comparison on the Techniques of Vertex Chain Codes," Journal of Software vol. 7, no. 12, pp. 2840-2848, 2012.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly (2006-2019); Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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