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Large Scale Terrain Compression and Real-Time Rendering Based on Wavelet Transform

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3 Author(s)
Xiaodong Wang ; Image Process. & Pattern Recognition Lab., Beijing Normal Univ., Beijing, China ; Xin Zheng ; Qian Yin

By taking advantage of 3 attributes of integer wavelet transform (IWT): efficient computing, multi-resolution and partially reconstruction, we propose one lossless large scale terrain compression method with high compression rate in this paper. By this way, we can decompress terrain data with multi-resolution efficiently at any viewpoint and render the terrain in real time by fast updating strategy. Experiments prove that by our method we can compress the data efficiently and render the terrain scene smoothly in real time.

Published in:

Computational Intelligence and Security, 2008. CIS '08. International Conference on  (Volume:2 )

Date of Conference:

13-17 Dec. 2008