โ Scribed by Yukio Kurihara; Yoshiyasu Okuhara; Yuichi Narita; Yasuhiro Kitazoe; Akihiro Sawada; Shoji Yoshida; Hiroyuki Geshi
No coin nor oath required. For personal study only.
A large-scale picture archiving and communication system was developed by Kochi Medical School. Using JPEG to achieve 90% compression, this system was capable of storing several years worth of CT and MR examination records and eliminated the bottleneck in conventional systems caused by slow data access in the filing system. Under the new system, access of image files from client PCs was checked for bottlenecks. The image file retrieval from the image database on the server was found to require the longest time. Two methods were considered to eliminate this bottleneck. One was a multiimages filing into a file. Another was an image transmission with multiparallel transmission sessions, which is proposed in this article. By adopting the latter method, the system can transmit 50 CT images from the image database server to a client PC in about 10 s.
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