目的：探讨影响脑血管造影图像质量的因素。
Objective: to study the factors that affect image quality on cerebral angiography.
本文讨论了不同查找表算法对数字减影血管造影图像的影响。
In this article, the effect of different LUT algorithms on digital subtraction angiography images is introduced.
结果表明：使用不同的输出查找表算法，会得到不同效果的数字减影血管造影图像。
The result reveals that different LUT algorithms can bring about different effects of image.
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