Study on the optimization of intra-oral X-ray radiography

本研究的目的是探讨优化口内放射摄影的计算机模拟的基础上的对象信息，胶片响应，X射线光谱。生成对应于各种参数的图像并在视频显示器上显示。我们已着手处理下列问题。采用多色光子吸收仪（PCPA）扫描测量牙体模的定量图像.采用单色X射线，利用微机曝光系统测量了每种胶片的能量响应。对计算机程序进行了改进，使其能够处理256 × 256像素的图像.从图像质量和曝光剂量两个角度对口腔内摄影的优化进行了研究。

The purpose of the present study is to investigate the optimization of intra-oral radiography by computer simulations based on the object information, film response, and X-ray spectrum. The images corresponding to various parameters were generated and displayed on the video display. We have approached the following subjects.1. The quantitative image of the dental phantom was measured by the Polychromatic Photon Absorptiometry(PCPA) scanning.2. The energy response of each film was measured by the microcomputer-based exposure system using monochromatic X-rays.3. The computer program was improved to treat images of 256x256 pixels.4. The optimization of intra-oral radiography was investigated from the point of view of both image quality and exposure dose.