Accelerated Composition for Parallel Volume Rendering

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概要

• 論文の詳細を見る

• We describe an algorithm for efficiently compositing partial images generated during parallel volume rendering on a distributed memory parallel computer. In this object space partitioning algorithm, each PE is assigned to several subvolumes where each subvolume has a corresponding local frame buffer. After volume rendering is performed independently for each subvolume, the partial images stored in the local frame buffers are combined to generate a complete image. During this compositing process, the communication of partial image data between the PEs is kept minimal by assigning PEs to subvolumes in an interleaved manner. This assignment makes possible a reduction in communication in the axis direction in which there is the most communication. Experimental results indicate that a 9% to 35% reduction in the total rendering time can be attained with no additional data structures and no memory overhead.

• 社団法人電子情報通信学会の論文
• 1998-01-25

著者

• Yamamoto T

  Department Of Mathematical And Life Sciences Graduate School Of Science Hiroshima University

• HIRAI Tetu

  Faculty of Engineering, Hokkaido University

• YAMAMOTO Tsuyoshi

  The Computing Center, Hokkaido University

• Yamamoto Tsuyoshi

  The Computing Center Hokkaido University

• Hirai Tetu

  Faculty Of Engineering Hokkaido University

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