吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (增刊1): 74-77.
王玉1, 王宏2
WANG Yu1, WANG Hong2
摘要：
针对三维可视化体显示技术在医学影像领域应用时,在没有硬件加速的情况下几乎很难做到实时交互显示的效果问题。本文尝试了基于GPU架构进行并行计算的方法。同时利用MFC扩展动态库及导出类技术,避免了大量代码移植。在试验过程中,针对特定显卡,对GPU同时执行的线程数与计算时间做了统计分析,找到了计算时间最少的最优线程数。实验表明,本文提出的GPU加速方法,计算速度可以提高5～6倍。
中图分类号:
| [1] Hu Ying,Hou Yue,Xu Xin-he.Fast volume rendering for medical image[C]//Proceedings of XI International Congress for Stereology,Beijin,2003.[2] Szirmay-Kalos L,Havran V,Balazs B,et al.On the efficiency of ray-shooting acceleration schemes[C]// Proceedings of SCCG'02 conference,2002:89-98.[3] Chang A Y.A survey of geometric data structures for ray tracing[D].Brooklyn USA:Polytechnic University,2001:12-75.[4] Clark J H.Hierarchical geometric models for visible surface algorithm[J].Communication of the ACM,1976,19(10):547-554.[5] 彭群生,鲍虎军,金小刚.计算机真实感图形的算法基础[M].北京:科学出版社,1999.[6] Fujimoto A,Tanata T,Iwata K.ARTS:Accelerated ray-tracing system[J].IEEE Computer Graphics and Applications,1986,6(4):16-26.[7] Yagel R,Cohen D,Kaufman A.Discrete ray tracing[J].IEEE Computer Graphics and Applications,1992,12(5):19-28.[8] Fuchs H,Kedem Z M,Naylor B F.On visible surface generation by a priori tree structures[J].Computer Graphics,1980,14(3):124-133.[9] Glassner A S.Space subdivision for fast ray tracing[J].IEEE Computer Graphics and applications,1984,4(10):15-22.[10] Bentley J L.Multidimensional binary search trees used for associative searching[C]// Communications of the ACM,1975,18(9):509-517.[11] Tuy H K,Tuy L T.Direct 2-D display of 3-D objects[J].IEEE Computer Graphics and Applications,1984,4(10):29-33.[12] Levoy M.Display of surfaces from volume data[J].IEEE Computer Graphics and Applications,1988,8(5):29-37.[13] Sabella P.A Rendering algorithm for visualizing 3D scalar field[J].Computer Graphics,1988,22(4):51-58.[14] Westover L.Footprint evaluation for volume rendering[J].Computer Graphics,1990,24(4):367-376.[15] Frieder G,Gordon D,Reynolds R A.Back-to-front display of voxel-based objects[J].IEEE Computer Graphics and Applications,1985,5(1):52-60. |
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