Seibert J A, Nalcioglu O, Roeck W
Med Phys. 1985 May-Jun;12(3):281-8. doi: 10.1118/1.595720.
X-ray images acquired with an image intensifier detector system suffer from veiling glare, a low-frequency degradation described by a point spread function (PSF). The PSF has two experimentally determined parameters unique to a given image intensifier. This information is utilized to deconvolve the degradation from digitally acquired images. Results demonstrate a significant increase in contrast ratio of high-contrast objects after deconvolution and image restoration.
使用影像增强器探测器系统采集的X射线图像存在蒙罩眩光问题，这是一种由点扩散函数（PSF）描述的低频图像退化现象。PSF有两个通过实验确定的参数，这些参数对于特定的影像增强器而言是独一无二的。利用这些信息对数字采集图像中的退化进行去卷积处理。结果表明，去卷积和图像恢复后，高对比度物体的对比度显著提高。
