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Benchmark testing the Digital Imaging Network-Picture Archiving and Communications System proposal of the Department of Defense

机译:基准测试国防部数字成像网络-图像归档和通信系统的建议

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摘要

The Department of Defense issued a Request for Proposal (RFP) for its next generation Picture Archiving and Communications System in January of 1997. The RFP was titled Digital Imaging Network—Picture Archiving and Communications System (DIN-PACS). Benchmark testing of the proposed vendors' systems occurred during the summer of 1997. This article highlights the methods for test material and test system organization, the major areas tested, and conduct of actual testing. Department of Defense and contract personnel wrote test procedures for benchmark testing based on the important features of the DIN-PACS Request for Proposal. Identical testing was performed with each vendor's system. The Digital Imaging and Communications in Medicine (DICOM) standard images used for the Benchmark Testing included all modalities. The images were verified as being DICOM standard compliant by the Mallinckrodt Institute of Radiology, Electronic Radiology Laboratory. The Johns Hopkins University Applied Physics Laboratory prepared the Unix-based server for the DICOM images and operated it during testing. The server was loaded with the images and shipped to each vendor's facility for on-site testing. The Defense Supply Center, Philadelphia (DSCP), the Department of Defense agency managing the DIN-PACS contract, provided representatives at each vendor site to ensure all tests were performed equitably and without bias. Each vendor's system was evaluated in the following nine major areas: DICOM Compliance; System Storage and Archive of Images; Network Performance; Workstation Performance; Radiology Information System Performance; Composite Health Care System/ Health Level 7 communications standard Interface Performance; Teleradiology Performance; Quality Control; and Failover Functionality. These major sections were subdivided into workable test procedures and were then scored. A combined score for each section was compiled from this data. The names of the involved vendors and the scoring for each is contract sensitive and therefore can not be discussed. All of the vendors that underwent the benchmark testing did well. There was no one vendor that was markedly superior or inferior. There was a typical bell shaped curve of abilities. Each vendor had their own strong points and weaknesses. A standardized benchmark protocol and testing system for PACS architectures would be of great value to all agencies planning to purchase a PACS. This added information would assure the purchased system meets the needed functional requirements as outlined by the purchasers PACS Request for Proposal.
机译:国防部于1997年1月发布了其下一代图片存档和通信系统的提案请求(RFP)。该RFP的标题为“数字成像网络-图片存档和通信系统(DIN-PACS)”。建议的供应商系统的基准测试是在1997年夏天进行的。本文重点介绍了测试材料和测试系统的组织方法,主要测试领域以及实际测试的进行。国防部和合同人员根据DIN-PACS投标申请书的重要特征编写了基准测试的测试程序。对每个供应商的系统进行了相同的测试。用于基准测试的医学数字成像和通信(DICOM)标准图像包括所有模式。图像已由Mallinckrodt放射医学研究所电子放射学实验室确认符合DICOM标准。约翰霍普金斯大学应用物理实验室为DICOM图像准备了基于Unix的服务器,并在测试过程中对其进行了操作。服务器加载了图像,并运送到每个供应商的设施进行现场测试。国防部管理DIN-PACS合同的机构,费城国防供应中心(DSCP)在每个供应商站点提供了代表,以确保所有测试均公平进行且没有偏见。在以下九个主要领域对每个供应商的系统进行了评估:DICOM合规性;系统存储和图像存档;网络性能;工作站性能;放射学信息系统性能;复合医疗保健系统/健康7级通信标准接口性能;远程放射学性能;质量控制;和故障转移功能。将这些主要部分细分为可行的测试程序,然后进行评分。从该数据汇编出每个部分的综合得分。有关供应商的名称和每个供应商的评分均对合同敏感,因此无法讨论。所有接受基准测试的供应商都表现良好。没有一个厂商明显地优胜劣劣。能力有一条典型的钟形曲线。每个供应商都有自己的优点和缺点。对于计划购买PACS的所有机构,用于PACS体系结构的标准化基准协议和测试系统将具有巨大的价值。此添加的信息将确保购买的系统满足购买者PACS投标书概述的所需功能要求。

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