Tait W H, Hanson M E
Department of Physical Sciences, North East London Polytechnic.
Br J Radiol. 1989 Jul;62(739):613-9. doi: 10.1259/0007-1285-62-739-613.
An inexpensive image processing system, assembled from commercially available components and driven by "in-house" software, was tested as a means of processing radiographs obtained in a radiology department. In this preliminary study, the main interest was to investigate, through subjective appraisal, the ability of the system to recover the image quality of poorly exposed radiographs. Subsidiary objectives were to obtain some information regarding the specification limits of the system and its components, as well as some quantitative estimate of its advantages for clinical diagnosis. The system was used to process a set of film radiographs of an anthropomorphic chest phantom, produced under conditions that were designed to provide a wide range of image qualities. Following this, four sets of randomly ordered processed and unprocessed images were formally assessed by a group of experienced observers. Consensus opinion from the group indicated that significant improvement could be obtained through simple image processing. Some radiographs regarded as unacceptable became, after processing, acceptable to viewers.
一个由市售部件组装而成并由“内部”软件驱动的低成本图像处理系统，被作为一种处理放射科获取的X光片的手段进行了测试。在这项初步研究中，主要兴趣在于通过主观评估来研究该系统恢复曝光不足的X光片图像质量的能力。次要目标是获取有关该系统及其组件的规格限制的一些信息，以及对其临床诊断优势的一些定量估计。该系统用于处理一组在旨在提供广泛图像质量的条件下制作的拟人化胸部模型的胶片X光片。在此之后，一组经验丰富的观察者对四组随机排序的已处理和未处理图像进行了正式评估。该小组的一致意见表明，通过简单的图像处理可以获得显著的改善。一些原本被认为不可接受的X光片在处理后对观察者来说变得可以接受了。
