Implementation and Evaluation of A PQRM-based PACS System

2007 6th International Special Topic Conference on Information Technology Applications in Biomedicine Pub Date : 2007-12-26 DOI:10.1109/ITAB.2007.4407414

Yong-Jie Ni, Hyewon Song, Chan-Hyun Youn, Byoung-Jin Kim, Philwoo Lee, Il-Sun Hwang

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Abstract

Picture archiving and communications system (PACS) is widely used in hospitals to bring high efficiency in a medical process. Recently, PACS is required to evolve into a more sophisticated system that can communicate with other medical systems. The existing PACS was designed to be used in a local area network (LAN) of a hospital and DICOM, the standard used in PACS, doesn't have any QoS for file transmission or security functions for an open network. Therefore, we propose a PACS system over Policy Quorum based Resource Management (PQRM) system, which manages storage resources and computing resources in Grid environment to provide satisfying advanced medical services with guaranteed QoS. Finally, we test the real situation medical scenario to prove the advanced functions our system provides and do several experiments to show the superiority of our novel system to existing PACS systems. The results indicate that while PQRM-based PACS providing the ability for advanced medical services it guarantees the transmission, provides best resource selection and disaster recovery capability.

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基于pqrm的PACS系统的实现与评价

为了提高医疗流程的效率，PACS系统在医院中得到了广泛的应用。最近，PACS被要求发展成一个更复杂的系统，可以与其他医疗系统进行通信。现有的PACS是针对医院局域网(LAN)设计的，PACS使用的标准DICOM没有文件传输的QoS，也没有开放网络的安全功能。为此，我们提出了一种基于策略仲裁的资源管理(PQRM)系统之上的PACS系统，通过对网格环境下的存储资源和计算资源进行管理，在保证QoS的前提下提供令人满意的高级医疗服务。最后，通过实际的医疗场景测试，验证了系统的先进功能，并通过实验验证了系统相对于现有PACS系统的优越性。结果表明，基于pqrm的PACS在提供先进医疗服务能力的同时，保证了传输，提供了最佳的资源选择和灾难恢复能力。

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2007 6th International Special Topic Conference on Information Technology Applications in Biomedicine

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