为抑制计算机层析造影（CT）系统重建图像中出现的金属伪影，提高图像的质量，采用一种基于金属投影非线性权重衰减的方法进行校正。
A metal artifacts reduction method using nonlinear weights was developed to suppress metal artifacts in X-ray CT(computerized tomography) images to improve the image quality.
用于投影仪的反射器包括限定了光学表面的金属反射器(33)。
A reflector for a projector includes a metal reflector (33) that defines an optical surface.
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