Vernazza G, Pavanelli E, Serpico S, Bertolini C, Chiabrera A, Antognetti P F, Mondani P
Minerva Med. 1982 Dec 22;73(49-50):3491-4.
The reliability of radiographical information may be improved by a) standardised radiography (exposure-development); b) transformation of the original image into a densitometric image and equalization with a reference wedge made of Ergal. The linear absorption coefficient of Ergal in terms of photon X energy is almost identical to the average coefficient of the bone mineral matrix; c) processing the densitometric image for additional information. An automatic image analyser controlled by a computer is used. The first osteological results showing the correspondence between the densitometric measurements provided by the analyser and the actual bone mineral content revealed by chemical analysis are presented.
a) 标准化放射摄影（曝光 - 显影）；b) 将原始图像转换为密度图像，并与由硬铝制成的参考楔块进行均衡处理。硬铝在光子X能量方面的线性吸收系数几乎与骨矿物质基质的平均系数相同；c) 对密度图像进行处理以获取更多信息。使用由计算机控制的自动图像分析仪。首次展示了骨学结果，表明分析仪提供的密度测量值与化学分析揭示的实际骨矿物质含量之间的对应关系。
