Web对每组图像数据分别采用传统FBP重建算法和机器配备的迭代算法(飞利浦256iCT:iDose算法;东芝640CT:AIDR-3D算法;西门子新双源Force CT:ADMIRE算法;GE宝石CT:ASIR算法)进行重建。迭代等级设为L3,重建层厚5mm,重建间隔5mm,得到16组重建后的图像数据。 WebCN107205638A CN201680009029.3A CN201680009029A CN107205638A CN 107205638 A CN107205638 A CN 107205638A CN 201680009029 A CN201680009029 A CN 201680009029A CN 107205638 A CN107205638 A CN 107205638A Authority CN China Prior art keywords oct retina oct data vitreum data Prior art date 2015-02-16 Legal status …
PET/CT—校正源 - 成都默森辐源科技有限公司
WebCN208076596U CN202421689343.9U CN202421689343U CN208076596U CN 208076596 U CN208076596 U CN 208076596U CN 202421689343 U CN202421689343 U CN 202421689343U CN 208076596 U CN208076596 U CN 208076596U Authority CN China Prior art keywords current transformer optic simulator optic current current waveform … WebDual Source CT is capable of high-pitch spiral scans, resulting in unparalleled routine acquisition speeds that help you keep patient motion in check. Dual Energy Dual Source … optic shades nyc
双源CT的技术原理与临床应用_探测器
WebCT (Computed Tomography),即电子计算机断层扫描,它是利用精确准直的X线束、γ射线、超声波等,与灵敏度极高的探测器一同围绕人体的某一部位作一个接一个的断面扫描,具有扫描时间快,图像清晰等特点,可用于 … Webct 影像能够反应人体内部的细微结构,从本质上讲 ct 影像上的灰度分布就是待测物体内部各处物质对该能量段下 x 射线的衰减系数的分布。 X 射线在通过待测物体时,在分子原子层面发生光电效应、康普顿散射效应和电子 … WebCN109900945A CN202411284746.XA CN202411284746A CN109900945A CN 109900945 A CN109900945 A CN 109900945A CN 202411284746 A CN202411284746 A CN 202411284746A CN 109900945 A CN109900945 A CN 109900945A Authority CN China Prior art keywords current transformer optic optic current plate module current waveform … optic shades 577 2nd ave