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    • 25. 发明授权
    • Motion tracking system for real time adaptive imaging and spectroscopy
    • 用于实时自适应成像和光谱的运动跟踪系统
    • US08121361B2
    • 2012-02-21
    • US11804417
    • 2007-05-18
    • Thomas Michael ErnstThomas Edmund PrietoBrian Stewart Randall Armstrong
    • Thomas Michael ErnstThomas Edmund PrietoBrian Stewart Randall Armstrong
    • G06K9/00
    • A61B5/055A61B5/0077A61B5/1127A61B5/1128A61B5/721A61B5/7292A61B6/0492A61B6/547G01R33/28G01R33/56509G06K9/00624G06K2009/3291G06K2017/0045G06T7/0012G06T7/70H04N7/18
    • Current MRI technologies require subjects to remain largely motionless for achieving high quality magnetic resonance (MR) scans, typically for 5-10 minutes at a time. However, lying absolutely still inside the tight MR imager (MRI) tunnel is a difficult task, especially for children, very sick patients, or the mentally ill. Even motion ranging less than 1 mm or 1 degree can corrupt a scan. This invention involves a system that adaptively compensates for subject motion in real-time. An object orientation marker, preferably a retro-grate reflector (RGR), is placed on a patients' head or other body organ of interest during MRI. The RGR makes it possible to measure the six degrees of freedom (x, y, and z-translations, and pitch, yaw, and roll), or “pose”, required to track the organ of interest. A camera-based tracking system observes the marker and continuously extracts its pose. The pose from the tracking system is sent to the MR scanner via an interface, allowing for continuous correction of scan planes and position in real-time. The RGR-based motion correction system has significant advantages over other approaches, including faster tracking speed, better stability, automatic calibration, lack of interference with the MR measurement process, improved ease of use, and long-term stability. RGR-based motion tracking can also be used to correct for motion from awake animals, or in conjunction with other in vivo imaging techniques, such as computer tomography, positron emission tomography (PET), etc.
    • 目前的MRI技术要求受试者保持大部分不动,以实现高质量的磁共振(MR)扫描,通常每次5-10分钟。 然而,谎言绝对仍然在严格的MR成像仪(MRI)隧道是一项艰巨的任务,特别是对于儿童,非常病的病人或精神病患者。 即使距离小于1mm或1度的运动也可能会损坏扫描。 本发明涉及一种实时自适应补偿受试者运动的系统。 在MRI期间将物体取向标记物(优选地是反转格栅反射器(RGR))放置在病人的头部或其他身体器官上。 RGR可以测量跟踪感兴趣的器官所需的六个自由度(x,y和z-平移,俯仰,偏航和滚动)或“姿势”。 基于相机的跟踪系统观察标记并持续提取其姿态。 来自跟踪系统的姿势通过接口被发送到MR扫描仪,允许实时扫描平面和位置的连续校正。 基于RGR的运动校正系统具有优于其他方法的显着优点,包括更快的跟踪速度,更好的稳定性,自动校准,对MR测量过程的干扰,改进的易用性和长期的稳定性。 还可以使用基于RGR的运动跟踪来校正来自清醒动物的运动,或者与其他体内成像技术(例如计算机断层摄影,正电子发射断层摄影(PET)等)相结合)。
    • 27. 发明申请
    • Method for Facilitating Online Interactions Initiated Using Optical Disc Players
    • 使用光盘播放器启动在线互动的方法
    • US20110093442A1
    • 2011-04-21
    • US12706896
    • 2010-02-17
    • Timur InsepovRussell Brian Stewart
    • Timur InsepovRussell Brian Stewart
    • G06F15/16G06F17/30
    • G11B27/105G06F17/30867G06Q30/02G11B27/34G11B2220/2541
    • Online interactions using optical disc players are facilitated by extracting information from a user request that was initiated from an optical disc player, and then using the extracted information to identify pre-existing user-specific data. A short code, which is specific to the desired online interaction and associated with the extracted information and pre-existing information, is generated and transmitted back to the optical disc player. This short code is then provided back to the back-end server by the user from a secondary consumer electronic device, and used to retrieve associated information, such as the target website for consummating the desired interaction and the previously-identified pre-existing information. Retrieved information is used to populate data fields on the target website prior the user being re-directed to the target website.
    • 通过从从光盘播放器发起的用户请求中提取信息,然后使用所提取的信息来识别预先存在的用户特定数据来促进使用光盘播放器的在线交互。 生成特定于期望的在线交互并与提取的信息和预先存在的信息相关联的短代码并将其发送回到光盘播放器。 然后,这个短代码由用户从次要消费者电子设备提供给后端服务器,并且用于检索关联信息,例如用于完成期望交互的目标网站和先前识别的预先存在的信息。 检索到的信息用于在用户重定向到目标网站之前填写目标网站上的数据字段。
    • 30. 发明申请
    • Telecommunications method and system
    • 电信方法和系统
    • US20060269011A1
    • 2006-11-30
    • US10549387
    • 2004-03-16
    • Brian Stewart
    • Brian Stewart
    • H03C5/00H03D5/00
    • H04L5/0048H04L27/2613H04L27/2615H04L27/2626H04L27/2647
    • A system and method for encoding data for transmission over a telecommunications network. The system and method involve embedding a control data block (Ik0) within a plurality of real data blocks (IN0). Preferably, real data in the real data blocks (INO) is convoluted with at least some of the control data in the control data block (Ik0) For example, each entry in each real data block (INO) may be phase convoluted with phase angle of the corresponding entry in the control block using an encoding module. Once this is done, the real data in the real data blocks and additionally the control data block in the control block is modulated with every sub carrier.
    • 一种用于对通过电信网络传输的数据进行编码的系统和方法。 该系统和方法涉及在多个实数数据块(I N N)中嵌入控制数据块(I N k0)。 优选地,实际数据块(I SUB)中的实际数据与控制数据块(I)中的至少一些控制数据进行卷积。例如,每个 可以使用编码模块来使每个实际数据块(I SUB)中的条目与控制块中的对应条目的相位角进行相位卷积。 一旦这样做,实际数据块中的真实数据以及另外的控制块中的控制数据块被每个子载波调制。