图像传输和数据压缩。电子成像部门的两个关键要素。

Journal of health care technology Pub Date : 1986-01-01
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引用次数: 0

摘要

越来越多的诊断图像正在以电子方式产生,并拍摄下来仅用于存储,有时也用于解释。然而,在大多数成像中心,从一个位置到另一个位置的图像传输仍然是手动完成的。大约40年前,x射线首次通过电话线传输,这种形式的“远程放射学”已越来越多地用于将孤立的医院和诊所与更大的设施连接起来,以便放射科医生能够解释图像。各种电子图像处理技术的不断改进产生了更快的传输手段,而用于“压缩”图像数据的日益复杂的计算机算法进一步提高了传输速度和传输图像的质量。迄今为止,只有少数影像研究中心和教学医院将这些技术集成到综合图像存档和通信系统(PACS)或数字图像管理系统(DIMS)中,许多因素限制了这些系统的推广。然而,供中心设施的专家解释的电子图像传输可能会增加,如果图像传输和数据压缩技术最终确定能够在所有成像方式中产生可接受质量的图像,那么真正的“无胶片”放射学有朝一日可能成为现实。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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Image transmission and data compression. Two key elements of an electronic imaging department.

Growing numbers of diagnostic images are being produced electronically and filmed only for storage, or sometimes also for interpretation. However, in most imaging centers, transmission of images from one location to another is still being accomplished manually. Almost 40 years ago, x-rays were first transmitted over telephone lines, and this form of "teleradiology" has been increasingly used to link isolated hospitals and clinics to larger facilities so that radiologists can interpret the images. Continuing improvement of the various electronic image-processing technologies has produced faster means of transmission, and increasingly sophisticated computer algorithms for "compressing" the image data have further improved both transmission speed and the quality of the transmitted images. To date, only a few imaging research centers and teaching hospitals have integrated these techniques into a comprehensive picture archiving and communications system (PACS) or digital image management system (DIMS), and a number of factors are restraining these systems' spread. However, electronic transmission of images for interpretation by specialists at a central facility is likely to increase, and truly "filmless" radiology may someday become a reality, if image transmission and data compression techniques are eventually determined to create images of acceptable quality in all imaging modalities.

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