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    • 14. 发明申请
    • Method and apparatus for ultra fast symmetry and SIMD based projection-backprojection for 3D pet image reconstruction
    • 用于3D宠物图像重建的超快速对称和基于SIMD的投影反投影的方法和装置
    • US20070278410A1
    • 2007-12-06
    • US11800657
    • 2007-05-07
    • Zang ChoYoung KimCheol LeeIn HongSung ChungHang KimYoung Son
    • Zang ChoYoung KimCheol LeeIn HongSung ChungHang KimYoung Son
    • G06K9/00G01T1/164
    • G01T1/2985A61B6/037G06T11/003G06T11/006G06T2211/424
    • A method and apparatus are provided for reconstructing 3D image. The method may include the steps of: detecting a plurality of line of responses (LORs) emitted from an object; transforming the plurality of LORs into first sinogram data; back-projecting the first sinogram data with a plurality of projection angles to produce image data for the object; and projecting the produced image data with the plurality of projection angles to transform the image data into second sinogram data. The back-projecting may include filling pixels of image plane for each of the plurality of projection angles with the first sinogram data and rotating a coordinate axis of the image plane with corresponding projection angle to produce the image data. The projecting may include rotating the image data with corresponding projection angle in an opposite direction before projecting the image data with the plurality of projection angles. The projecting and the back-projecting may use symmetry properties in coordinate space.
    • 提供了一种重建3D图像的方法和装置。 该方法可以包括以下步骤:检测从对象发射的多条响应行(LOR); 将多个LOR转换成第一个正弦图数据; 以多个投影角度反投影第一正弦图数据以产生该对象的图像数据; 并且利用多个投影角度投影所生成的图像数据,以将图像数据转换成第二正弦图数据。 反投影可以包括用第一正弦图数据为多个投影角度中的每一个填充图像平面的像素,并且以相应的投影角旋转图像平面的坐标轴以产生图像数据。 投影可以包括在用多个投影角度投影图像数据之前以相反方向旋转具有相应投影角的图像数据。 投影和背投可以在坐标空间中使用对称性。
    • 15. 发明申请
    • PET - MRI hybrid apparatus and method of implementing the same
    • PET-MRI混合装置及其实施方法
    • US20060052685A1
    • 2006-03-09
    • US11027599
    • 2004-12-28
    • Zang ChoYoung KimCheol Lee
    • Zang ChoYoung KimCheol Lee
    • A61B5/05
    • G01R33/481A61B6/037G01R33/20G01R33/422G01T1/1603G01T1/2985
    • There is provided a PET-MRI hybrid apparatus and method for integrating a PET image and an MRI image so that anatomical, hemodynamical and molecular information on human tissues are simultaneously presented in a single image. The PET-MRI hybrid system comprises a first scanner for obtaining anatomical and hemodynamical information, and a second scanner for obtaining molecular and functional information on the human tissues. Along a path between the first scanner and the second scanner, a transferring railway system which includes runs, and a movable bed for supporting a subject installed on the railway. The PET-MRI hybrid system also comprises a “RF+ magnetic” shield and a “magnetic” shield between path between the first scanner and the second scanner, which switch between an open status and a close status in a completely synchronized manner to assure a complete magnetic shield for the PET system at any given time. The subject is fastened on the bed and transferred along the railway between the first and second scanner to provide accurately fused MRI and PET images.
    • 提供了一种用于整合PET图像和MRI图像的PET-MRI混合装置和方法,使得在单个图像中同时呈现人体组织上的解剖,血液动力学和分子信息。 PET-MRI混合系统包括用于获得解剖学和血液动力学信息的第一扫描仪,以及用于在人体组织上获得分子和功能信息的第二扫描仪。 沿着第一扫描器和第二扫描器之间的路径,包括运行的传送铁路系统和用于支撑安装在铁路上的物体​​的活动床。 PET-MRI混合系统还包括在第一扫描器和第二扫描器之间的路径之间的“RF +磁”屏蔽和“磁”屏蔽,其以完全同步的方式在打开状态和关闭状态之间切换,以确保完整 任何给定时间的PET系统的磁屏蔽。 主体被固定在床上并沿第一和第二扫描仪之间的铁路传送,以提供精确融合的MRI和PET图像。
    • 16. 发明申请
    • Flat panel display manufacturing apparatus
    • 平板显示器制造装置
    • US20050092438A1
    • 2005-05-05
    • US10978797
    • 2004-11-01
    • Gwang HurJun ChoiCheol LeeHyun AhnSaeng JoSung Ahn
    • Gwang HurJun ChoiCheol LeeHyun AhnSaeng JoSung Ahn
    • H01L21/687H01L21/00
    • H01L21/68742H01L21/68778
    • Disclosed herein is a flat panel display manufacturing apparatus that is capable of performing a predetermined process, such as deposition or etching on a substrate under vacuum. The flat panel display manufacturing apparatus comprises a pin supporting member disposed at the outside of the flat panel display manufacturing apparatus. The pin supporting member is connected to a plurality of lift pins, which lift a substrate from a lower substrate or put the substrate on the lower substrate, for driving the lift pins upward or downward at the same time. Consequently, the inside volume of the flat panel display manufacturing apparatus is decreased as compared to the conventional flat panel display manufacturing apparatus, and thus time for carrying out a pumping operation to apply high-vacuum to the inside of the flat panel display manufacturing apparatus is considerably reduced.
    • 这里公开了一种平板显示器制造装置,其能够进行预定的处理,例如在真空下在基板上的沉积或蚀刻。 平板显示器制造装置包括设置在平板显示器制造装置的外侧的销支撑构件。 销支撑构件连接到多个提升销,其从下基板提起基板或将基板放置在下基板上,以同时向上或向下驱动升降销。 因此,与传统的平板显示器制造设备相比,平板显示器制造设备的内部体积减小,因此用于对平板显示器制造设备的内部进行高真空的泵送操作的时间是 大大减少
    • 17. 发明申请
    • METHOD FOR ESTIMATING IMMEASURABLE PROCESS VARIABLES DURING A SERIES OF DISCRETE PROCESS CYCLES
    • 在一系列分离过程循环中估计可变化过程变量的方法
    • US20100114354A1
    • 2010-05-06
    • US12613994
    • 2009-11-06
    • Cheol Lee
    • Cheol Lee
    • G05B13/04
    • G05B17/02
    • A method for estimating a process variable associated with a series of operations of a manufacturing process includes deriving a model that represents a given operation of the manufacturing process. The operation has first, second, and third process variables associated therewith. The model includes the first, second, and third process variables. Variations in the first and second process variables during each of the operations are substantially immeasurable. The method further includes measuring the first process variable after a first one of the operations and measuring the third process variable during a second one of the operations using a sensing device. The method further includes estimating at least one of the first and second process variables during the second one of the operations using the measured first process variable, the measured third process variable, and the model. Additionally, the method includes controlling the second operation based on the at least one of the first and second estimated process variables.
    • 用于估计与制造过程的一系列操作相关联的过程变量的方法包括导出表示制造过程的给定操作的模型。 该操作具有与之相关联的第一,第二和第三过程变量。 该模型包括第一,第二和第三过程变量。 在每个操作期间,第一和第二过程变量的变化基本上是不可估量的。 该方法还包括在第一操作之后测量第一过程变量,并且在使用感测设备的第二操作期间测量第三过程变量。 该方法还包括在使用所测量的第一过程变量,测量的第三过程变量和模型的操作的第二操作期间估计第一和第二过程变量中的至少一个。 另外,该方法包括基于第一和第二估计过程变量中的至少一个来控​​制第二操作。
    • 19. 发明申请
    • Multilayer-coated stent for controlled drug release and manufacturing method thereof
    • 用于受控药物释放的多层涂层支架及其制造方法
    • US20060161242A1
    • 2006-07-20
    • US11210807
    • 2005-08-25
    • Kyung LeeSeung ParkCheol Lee
    • Kyung LeeSeung ParkCheol Lee
    • A61F2/82B05D1/02
    • A61L31/16A61L31/10A61L2300/61A61L2420/08C08L29/04C08L53/02
    • The present invention provides a multilayer-coated stent for controlled drug release, comprising: a first base layer formed on a stent support and made of poly(ethylene-co-vinylacetate) or polystyrene-ethylene-butylene rubber polymer; a second coating layer formed on the first base layer and made of a biocompatible or a bioabsorbable polymer and a drug component; and a third coating layer formed on the second coating layer and made of a biocompatible or a bioabsorbable polymer and a drug component different from the drug component of the second coating layer. The inventive stent can deliver a broad range of therapeutic substances for a long time and prevent the early rapid release of the drug components in blood. Also, unlike the existing drug-coated stents, the inventive stent includes two kinds of drugs complementary to each other, but can optimize the efficacy of the drugs by differentiating the control of drug release according to time.
    • 本发明提供一种用于受控药物释放的多层涂层支架,包括:形成在支架上并由聚(乙烯 - 共 - 乙酸乙烯酯)或聚苯乙烯 - 乙烯 - 丁烯橡胶聚合物制成的第一基层; 形成在第一基底层上并由生物相容或生物可吸收的聚合物和药物成分制成的第二涂层; 以及形成在第二涂层上并由生物相容性或生物可吸收聚合物和不同于第二涂层的药物成分的药物成分制成的第三涂层。 本发明的支架可以长时间传递广泛的治疗物质,并且防止血液中药物成分的早期快速释放。 此外,与现有的药物涂层支架不同,本发明的支架包括彼此互补的两种药物,但可以通过根据时间区分药物释放的控制来优化药物的功效。
    • 20. 发明申请
    • Reserved video recording method using internet data
    • 使用互联网数据的保留视频录制方法
    • US20050155066A1
    • 2005-07-14
    • US11048890
    • 2005-02-03
    • Cheol Lee
    • Cheol Lee
    • H04N5/445H04N5/761H04N5/782H04N21/433H04N21/462H04N21/472H04N21/4782G06F3/00G06F13/00H04N5/91H04N7/00
    • H04N5/44543H04N5/782H04N7/0887H04N21/4334H04N21/4622H04N21/47214H04N21/4782
    • The present invention relates to a reserved video recording apparatus using internet data which includes a modem for connecting to an external communication network to thereby transmit and receive data, a video memory which has a memory space corresponding to a pixel of a video text, a RAM DAC for continuously scanning the data stored in the video memory and converting each data thusly scanned to RGB signals, an NTSC encoder for converting the RGB signals outputted from the RAM DAC to NTSC signals for broadcasting, a monitor and a TV for outputting the signals outputted from the RAM DAC and the broadcast signals outputted from the NTSC encoder on the screen, respectively, a memory for temporally storing the broadcast schedule data of the selected program, a micro computer for controlling the operation of a recorder to which an external video signal passed through a tuner and a Y/C unit is finally inputted based on the broadcast schedule data temporally stored and a timer. Thus, a reserved video recording can be implemented in an user-friendly environment with the increase of internet users by connecting to a homepage of a broadcasting station for selecting a broadcast program and its schedule data and performing a reserved video recording based on the data.
    • 本发明涉及一种使用因特网数据的保留视频记录装置,其包括用于连接到外部通信网络从而发送和接收数据的调制解调器,具有与视频文本的像素对应的存储空间的视频存储器,RAM DAC,用于连续扫描存储在视频存储器中的数据并将每个被扫描的数据转换成RGB信号; NTSC编码器,用于将从RAM DAC输出的RGB信号转换成NTSC信号用于广播;监视器和TV,用于输出输出的信号 分别从RAM DAC和NTSC编码器在屏幕上输出的广播信号分别存储用于暂时存储所选节目的广播节目数据的存储器,用于控制外部视频信号通过的记录器的操作的微型计算机 最后通过调谐器和Y / C单元基于暂时存储的广播调度数据和定时器输入。 因此,随着互联网用户的增加,可以通过连接到广播站的主页来选择广播节目及其日程表数据并且基于该数据执行预约的视频记录,可以在用户友好的环境中实现保留的视频记录。