高速单曝光双能量图像处理的设计与实现

[1992] Proceedings Fifth Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1992-06-14 DOI:10.1109/CBMS.1992.244966

M. Bentum, Robert G. J. Arendsen, C. Slump, C. Mistretta, W. Peppler, F. Zink

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引用次数: 6

摘要

在威斯康星大学麦迪逊分校的医学物理系，双能量胸部成像的研究包括算法和患者研究是使用皮克斯图像处理器计算机完成的。在这里所描述的项目中，研究了一种低成本的系统能够取代皮克斯并提供高速双能量图像处理。对双能量算法进行了分析，得到了用户需求和系统需求。单个工作站(例如Sun Sparc Station 2)不能提供足够的处理能力。因此，对工作站的加速板进行了综述。开发了一个原型系统，在Sun 3/150主机上使用基于i860的加速板，即CSPI SuperCard-1。双能量算法的裸机时间从使用皮克斯图像计算机的25分钟减少到使用SuperCard-1处理器板的不到3分钟。

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Design and realization of high speed single exposure dual energy image processing

At the Department of Medical Physics at the University of Wisconsin-Madison, research on dual energy chest imaging including the algorithm and patient studies is done using a Pixar image processor computer. In the project described here, a study was made of which low-cost system is able to replace the Pixar and provide high-speed dual energy image processing. The dual energy algorithm was analyzed and the user and system requirements were obtained. A single workstation (e.g. Sun Sparc Station 2) does not provide enough processing power. Therefore accelerator boards for the workstation were reviewed. A prototype system was developed, using an i860-based accelerator board, i.e. the CSPI SuperCard-1, in a Sun 3/150 host computer. Bare computer time for the dual energy algorithm was reduced from 25 min using the Pixar image computer to less than three minutes using the SuperCard-1 processor board.<>

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来源期刊

[1992] Proceedings Fifth Annual IEEE Symposium on Computer-Based Medical Systems

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