...断肿瘤中的价值 36-736页,738页 【关键词】衰减校正 PET-CT 肿瘤 ^18F-FDG 【文 摘】PET图像的衰减校正(attenuation correction，AC)大多采用^68Ge或^137Cs，有关CT衰减校正(computerd tomography att...
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最近的技术蓬勃发展，以下通过在强磁场，从而影响PET图像分辨率和衰减校正领域的改变正电子的运动技术障碍。
The technology recently blossomed following passing a technical hurdle of altered positron movement in strong magnetic field thus affecting the resolution of PET images and attenuation correction.
靶组织体积的计算受PET图像采集模式，散射校正方法，衰减校正方法，重建技术，图像显示模式，正电子药物等因素影响。
Many factors work on the target volume calculation, such as PET image acquisition mode, scatter correction, attenuation correction, reconstruction method, image display mode, positron pharmacy.
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.
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