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A new compression-based image composition strategy on sort-last parallel rendering system

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2 Author(s)
Bing He ; State Key Lab. of Virtual Reality Technol. & Syst., Beihang Univ., Beijing, China ; Ji Zhang

The cluster computer based parallel rendering is an effective method to build applications with better performance and higher resolution. Compression-based image composition is the key component of sort-last parallel rendering system. In this paper, we propose a set of strategies for compression-based image composition on sort-last parallel rendering system. Our strategy consists of three algorithms: A template-based LZW lossless compression method and a depth-buffer interpolation method to deal with the depth information of the images; A JPEG-based chromatic information compression method; and a composition method based on alpha blending. The experimental results show that our strategy is more effective than traditional compression based image composition strategies when used on sort-last parallel rendering system.

Published in:

Image and Signal Processing (CISP), 2010 3rd International Congress on  (Volume:2 )

Date of Conference:

16-18 Oct. 2010