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首页> 外文会议>International Conference on Computational Science and Its Applications(ICCSA 2004) pt.2; 20040514-20040517; Assisi; IT >A Bandwidth Reduction Scheme for 3D Texture-Based Volume Rendering on Commodity Graphics Hardware
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A Bandwidth Reduction Scheme for 3D Texture-Based Volume Rendering on Commodity Graphics Hardware

机译：商品图形硬件上基于3D纹理的体绘制的带宽减少方案

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摘要

In this paper, we propose a bandwidth-effective volume rendering scheme which subdivides the volume into the sub-volumes and transmits them to the texture units in visibility order. Each sub-volume is rendered in the same manner as the original volume on the graphics hardware and the corresponding sub-image is blended in the alpha blending unit. The sub-volume oriented processing improves the cache efficiency and allows empty space skipping. Moreover, it is capable of rendering volume datasets that do not fit into the texture memory. Simulations show that the proposed scheme is effective for 3D texture-based volume rendering on commodity graphics hardware by reducing memory bandwidth up to 30 times when compared with the traditional method.
机译：在本文中，我们提出了一种带宽有效的体绘制方案，该方案将体积细分为子体积，然后将它们按可见性顺序传输到纹理单元。在图形硬件上以与原始体积相同的方式渲染每个子体积，并在alpha混合单元中混合相应的子图像。面向子卷的处理提高了缓存效率，并允许跳过空白空间。而且，它能够渲染不适合纹理存储器的体积数据集。仿真表明，与传统方法相比，该方案可将内存带宽减少多达30倍，从而在商品图形硬件上有效地实现基于3D纹理的体绘制。

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