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移动虚拟现实中虚拟化身的分布式渲染

Keywords: 虚拟现实,动画,图像压缩,分布式计算机系统

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Abstract:

为了实现手持设备三维虚拟化身的实时渲染,引用动画替代物技术进行了化身的绘制.利用电脑端/手持端的分布式架构减小了手持端纹理内存的占用,通过采用动作层次细节模型和一种简单的纹理压缩算法降低了对无线网络传输带宽的要求.试验结果证明,这种渲染方法能很好地满足手持设备上渲染虚拟化身的实时性要求.

References

[1]  KALRA P,MAGNENAT-THALMANN N,MOCCOZET L,et al.Real-time animation of realistic virtual humans[J]. IEEE Computer Graphics and Applications,1998,18(5):42-56.
[2]  GHYME S W,KIM K H,KIM H B.A simplified deformation for real-time 3D character animation[C]//Proceedings of the ACM Symposium on Virtual Reality Software and Technology.Seoul:ACM Press,2000:175-182.
[3]  WILLIAM P,MACIEL C,SHIRLEY P.Visual navigation of large environments using textured clusters[C]//Proceedings of the 1995 Symposium on Interactive 3D Graphics.Monterey:Indiana University,1995:95-102.
[4]  TECCHIA F,LOSCOS C,CHRYSANTHOU Y.Image-based crowd rendering[J].IEEE Computer Graphics and Applica- tions,2002,22(2):36-43.
[5]  YANG Y G,CHEN J X.Impostors-based real-time avatar behavior in virtual reality systems[C]//Proceedings of the Fifth IEEE International Workshop on Distributed Simulation and Real-Time Applications.Washington:IEEE Computer Society, 2001:37-44.
[6]  DAY A M,WILLMOTT J.Compound textures for dynamic impostor rendering[J].Computers and Graphics,2005,29 (1):109-124.
[7]  YANG Y G,WANG X H,CHEN J X.Rendering avatars in virtual reality:integrating a 3D model with 2D images[J]. Computing in Science and Engineering,2002,4(1):86-91.
[8]  DOBBYN S,HAMILL J,O'CONOR K,et al.Geopostors:a real-time geometry/impostor crowd rendering system[C]// Proceedings of the 2005 Symposium on Interactive 3D Graphics and Games.Washington:ACM Press,2005:95-102.
[9]  LOSCOS C,TECCHIA F,CHRYSANTHOU Y.Real-time shadows for animated crowds in virtual cities[C]//Proceedings of the ACM Symposium on Virtual Reality Software and Technology.Baniff:ACM Press,2001:85-92.
[10]  AUBEL A,BOULIC R,THALMANN D.Animated impostors for real-time display of numerous virtual humans[C]// Proceedings of the First International Conference on Virtual Worlds.London:Springer-Verlag,1998:14-28.
[11]  AUBEL A,BOULIC R,THALMANN D.Lowering the cost of virtual human rendering with structured animated impostors [C]//Proceedings of the 7th International Conference in Central Europe on Computer Graphics,Visualization and Interactive Digital Media (WSCG 99).Plzen:University West Bohemia,1999:345-352.
[12]  COIC J M,LOSCOS C,MEYER A.Three LOD for the realistic and real-time rendering of crowds with dynamic lighting [DB/OL].[2006-04-10].http://liris.cnrs.fr/docs/RR-2005-008.pdf.

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