Look-up table algorithms have been widely used in digital signal processing, but the articles on LUT algorithms applied to digital subtraction angiography system were rarely reported.
查找表算法在数字信号处理中已有广泛的应用，但在数字减影血管造影术中的应用却报道不多。
Digital angiography system is mainly composed of Digital Subtraction angiography (DSA) equipment and mostly used in angiography and interventional radiology.
数字化血管造影系统的主体是数字减影血管造影(DSA)设备，主要用于血管造影和介入放射学。
The history, principle, new characteristic and new performance of Digital Subtraction Angiography(DSA)System is introduced in this paper.
本文简单介绍数字减影的历史、工作原理和国内外最新数字减影系统性能和特点。
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