Development of Accelerated CT Reconstruction Based on General Graphics Boards

<b<Objective:</b< The technical application of general graphics boards in CT accelerated reconstruction is summarized. <b<Methods:</b< Introduce the current technique of graphics boards, and the principle of how their special structure operates in accelerating reconstruction. <b<Results:</b< Analyze the method and character in the use of graphics hardware to accelerate reconstruction. <b<Conclusion:</b< According to the latest technique of graphics boards, we introduce the way to improve the application of graphics boards in reconstruction,together with the prospect in this research.