Implementation of a medical image file accessing system in co-allocation data grids

  • Authors:
  • Chao-Tung Yang;Chiu-Hsiung Chen;Ming-Feng Yang

  • Affiliations:
  • High-Performance Computing Laboratory, Department of Computer Science, Tunghai University, Taichung, 40704, Taiwan;Tungs' Taichung MetroHarbor Hospital, No. 699, Sec. 1, Jhongci Rd., Wuci Township, Taichung County 435, Taiwan;High-Performance Computing Laboratory, Department of Computer Science, Tunghai University, Taichung, 40704, Taiwan

  • Venue:
  • Future Generation Computer Systems
  • Year:
  • 2010

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Abstract

There are two challenges of using the PACS (Picture Archiving and Communications System). First, PACS are limited to certain bandwidths and locations. Second, the high cost of maintaining Web PACS and the difficult management of Web PACS servers. Besides, the quality of transporting images and the bandwidth of accessing large files from different locations are difficult to guarantee. For instance, radiologists make use of PACS information system for achieving high-speed accessing medical images. Physicians, on the other hand, utilize web browsers to indirectly access the PACS information system via non-high-speed network. The insufficient bandwidth may cause bottleneck under a host of querying and accessing. As hospitals exchange large files such as medical images with each other via WANs, the bandwidth cannot support the huge amount of file transportation. In this paper, we propose a PACS based on data grids, and utilize MIFAS (Medical Image File Accessing System) to perform querying and retrieving medical images from the co-allocation data grid. MIFAS is also suitable for data grid environments with a server node and several client nodes. MIFAS can take advantage of the co-allocation modules to reduce the medical image transfer time. Also, we provide experiments to show the performance of MIFAS. Furthermore, in order to enhance the security, stability and reliability in the PACS, we also provide the user-friendly management interface.