LOW-COST DIGITAL TELERADIOLOGY

被引：24

作者：

REPONEN, J

LAHDE, S

TERVONEN, O

ILKKO, E

RISSANEN, T

SURAMO, I

机构：

[1] Department of Diagnostic Radiology, University Hospital of Oulu, 90220 Oulu, Kajaanintie 50, FIN

来源：

EUROPEAN JOURNAL OF RADIOLOGY | 1995年 / 19卷 / 03期

关键词：

COMPUTERS; DIAGNOSTIC AID; RADIOGRAPHY; TECHNOLOGY; VIDEO SYSTEMS;

D O I：

10.1016/0720-048X(94)00602-9

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A teleradiology link based on standard personal computers and a flat-bed CCD scanner was tested. A 64 kbit/s dial-up digital ISDN telephone line was used for transmission. A total of 254 films (174 uncompressed, 80 compressed) were sent. Ninety-six per cent of the uncompressed images and 98% of the compressed images were considered technically acceptable. The total diagnostic agreement between the acceptable transmitted images and the original films was 98%. Image quality was sufficient for diagnosis in CT and conventional chest and bone radiographs. However, a 256-step gray scale of the scanner was not sufficient for demanding situations, such as overexposed images with a high contrast gradient. The average speed of transmission was 60 kbit/s, which was considered adequate. The tested system suggests that a teleradiology link based on standard personal computers and programs works in situations where instant consultation is needed. However, the image digitization time with the prototype system was quite long, and a better user interface is under development.

引用

页码：226 / 231

页数：6

共 18 条

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