Volume 8 Number 9 ( Sep. 2013)
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JSW 2013 Vol.8(9): 2208-2212 ISSN: 1796-217X
doi: 10.4304/jsw.8.9.2208-2212

Framework of A Hybrid Image Compression Algorithm for View-dependent Visualization

Yanshan Bian1, Lingda Wu2, Chao Yang2, Bo Li2
1Graduation school of the Academy of Equipment, Beijing, China
2The Key Lab, the Academy of Equipment, Beijing, China

Abstract—This paper presents a framework of a hybrid method designed to decompress image blocks of tilepyramid used in virtual environment especially for flight simulation. It combines two compression algorithms, namely DCT-based compression and WT-based one. Two estimator functions are proposed to choose between these two algorithms. To balance decompression performance against image quality, a selective mechanism for decompression method is introduced that depends on LOD level, image quality, bit rates and tile size. Our method is CPU-based and achieves real-time rendering performance with high image quality superior to pure DCT-based method and WTbased method.

Index Terms—DCT, Wavelet Transform, hybrid compression.


Cite: Yanshan Bian, Lingda Wu, Chao Yang, Bo Li, "Framework of A Hybrid Image Compression Algorithm for View-dependent Visualization," Journal of Software vol. 8, no. 9, pp. 2208-2212, 2013.

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, Google Scholar, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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