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    • 4. 发明申请
    • Apparatus and method for processing collision information in graphic system
    • 在图形系统中处理碰撞信息的装置和方法
    • US20070132766A1
    • 2007-06-14
    • US11634030
    • 2006-12-05
    • Do-Hyung KimSeung-Woo NamIn-Ho Lee
    • Do-Hyung KimSeung-Woo NamIn-Ho Lee
    • G06T15/70
    • G06T17/00G06T2210/21Y10S345/958Y10S345/959
    • An apparatus processes collision information in a graphic system, and includes a first storage unit for loading geometry information of primary and secondary object graphics inputted from outside, and outputting the geometry information of the primary object graphics and geometry information of a plurality of secondary object graphics in which a collision detection operation with the primary object graphics is to be performed; a transformer for transforming coordinates of the secondary object graphics to be coincided with a coordinate system that is based on the primary object graphics; a processor for acquiring a collision point, collision presence information, and a collision depth between the primary and the secondary object graphics simultaneously based on the geometry information of the inputted primary object graphics and that of each of the coordinate-transformed secondary object graphics by using a collision detection operation technique determined by the geometry information properties of the primary and the secondary object graphics; a second storage unit for storing the collision information separately, wherein the collision depths before/after update are stored in two areas separately; and an updating unit for updating the collision point and the collision presence information whenever they are newly outputted from the processor, wherein the collision depth is updated based on the result of comparison with the previously stored collision depth.
    • 一种装置处理图形系统中的碰撞信息,并且包括用于加载从外部输入的主要和次要对象图形的几何信息的第一存储单元,并且输出多个次要对象图形的主要对象图形和几何信息的几何信息 其中将执行具有主要对象图形的碰撞检测操作; 用于将辅助对象图形的坐标转换为与基于主要对象图形的坐标系重合的变换器; 基于所输入的主要对象图形的几何信息和每个坐标变换的辅助对象图形的处理器,通过使用用于获取碰撞点,碰撞存在信息和主要和次要对象图形之间的碰撞深度的处理器 由主要和次要对象图形的几何信息属性确定的碰撞检测操作技术; 第二存储单元,用于分别存储冲突信息,其中更新之前/之后的碰撞深度分别存储在两个区域中; 以及更新单元,用于每当从处理器新输出时更新碰撞点和冲突存在信息,其中基于与先前存储的冲突深度的比较结果来更新冲突深度。
    • 6. 发明授权
    • Apparatus and method for high-speed marker-free motion capture
    • 用于高速无标记运动捕获的装置和方法
    • US07239718B2
    • 2007-07-03
    • US10445825
    • 2003-05-28
    • Chang Joon ParkJi Hyung LeeDo-Hyung KimSeung Woo NamSeong Min BaekIn Ho Lee
    • Chang Joon ParkJi Hyung LeeDo-Hyung KimSeung Woo NamSeong Min BaekIn Ho Lee
    • G06T7/00
    • G06T7/251G06T7/579G06T2207/10016G06T2207/10024G06T2207/30196G06T2207/30204
    • A high-speed marker-free motion capture, which is capable of powerfully detecting a body's feature points corresponding to a body's end portions such as a head, hands, feet, trunk, arms and legs at a high speed in an illumination change or background or noises of cameras. The extracted feature points of the body can be directly tracked stably in a 3-dimensional space. The position errors of the feature points due to the change of the illumination conditions or a shadow can be automatically corrected and the feature points can be stably tracked with respect to overlapping and disappearance of the feature points. Further, when coordinates of the middle joints are estimated using 3-dimensional coordinates of the extracted feature points of the body, the present invention restores a human model by estimating the positions of the middle joints of the actor with high accuracy without using a motion database, thereby securing the stability and reality of the 3-dimensional motion data required in the motion capture.
    • 一种高速无标记运动捕捉,能够在照明变化或背景中以高速度强力检测对应于身体的端部(例如头部,手部,脚部,躯干,手臂和腿部)的身体的特征点 或相机的噪音。 身体的提取特征点可以在三维空间中稳定地直接跟踪。 可以自动地校正由于照明条件或阴影的改变引起的特征点的位置误差,并且可以相对于特征点的重叠和消失来稳定跟踪特征点。 此外,当使用提取的身体的特征点的三维坐标来估计中间关节的坐标时,本发明通过以高精度估计运动员的中间关节的位置而不使用运动数据库来恢复人体模型 从而确保运动捕捉中所需的三维运动数据的稳定性和现实性。
    • 7. 发明授权
    • Apparatus and method for processing collision information in graphic system
    • 在图形系统中处理碰撞信息的装置和方法
    • US07663630B2
    • 2010-02-16
    • US11634030
    • 2006-12-05
    • Do-Hyung KimSeung-Woo NamIn-Ho Lee
    • Do-Hyung KimSeung-Woo NamIn-Ho Lee
    • G06T15/70
    • G06T17/00G06T2210/21Y10S345/958Y10S345/959
    • An apparatus processes collision information in a graphic system, and includes a first storage unit for loading geometry information of primary and secondary object graphics inputted from outside, and outputting the geometry information of the primary object graphics and geometry information of a plurality of secondary object graphics in which a collision detection operation with the primary object graphics is to be performed; a transformer for transforming coordinates of the secondary object graphics to be coincided with a coordinate system that is based on the primary object graphics; a processor for acquiring a collision point, collision presence information, and a collision depth between the primary and the secondary object graphics simultaneously based on the geometry information of the inputted primary object graphics and that of each of the coordinate-transformed secondary object graphics by using a collision detection operation technique determined by the geometry information properties of the primary and the secondary object graphics; a second storage unit for storing the collision information separately, wherein the collision depths before/after update are stored in two areas separately; and an updating unit for updating the collision point and the collision presence information whenever they are newly outputted from the processor, wherein the collision depth is updated based on the result of comparison with the previously stored collision depth.
    • 一种装置处理图形系统中的碰撞信息,并且包括用于加载从外部输入的主要和次要对象图形的几何信息的第一存储单元,并且输出多个次要对象图形的主要对象图形和几何信息的几何信息 其中将执行具有主要对象图形的碰撞检测操作; 用于将辅助对象图形的坐标转换为与基于主要对象图形的坐标系重合的变换器; 基于所输入的主要对象图形的几何信息和每个坐标变换的辅助对象图形的处理器,通过使用用于获取碰撞点,碰撞存在信息和主要和次要对象图形之间的碰撞深度的处理器 由主要和次要对象图形的几何信息属性确定的碰撞检测操作技术; 第二存储单元,用于分别存储冲突信息,其中更新之前/之后的碰撞深度分别存储在两个区域中; 以及更新单元,用于每当从处理器新输出时更新碰撞点和冲突存在信息,其中基于与先前存储的冲突深度的比较结果来更新冲突深度。
    • 10. 发明授权
    • Limiter circuit and voltage controlled oscillator including the same
    • 限幅器电路和压控振荡器包括相同的
    • US08610510B2
    • 2013-12-17
    • US13348783
    • 2012-01-12
    • Do-Hyung KimJi-Hyun Kim
    • Do-Hyung KimJi-Hyun Kim
    • H03K3/03
    • H03K3/017H03K3/021H03L7/0998
    • A limiter circuit in a voltage controlled oscillator (VCO) includes a first control circuit, a second control circuit and a driving circuit having a pull-up transistor and a pull-down transistor. The first control circuit generates a first driving control signal for controlling the pull-up transistor based on an AC input signal and a first DC bias voltage. The second control circuit generates a second driving control signal for controlling the pull-down transistor based on the AC input signal and a second DC bias voltage. The driving circuit generates an output signal based on the first driving control signal and the second driving control signal. The output signal swings between a first voltage at the pull-up transistor and a second voltage at the pull-down transistor.
    • 压控振荡器(VCO)中的限幅电路包括第一控制电路,第二控制电路和具有上拉晶体管和下拉晶体管的驱动电路。 第一控制电路基于AC输入信号和第一DC偏置电压产生用于控制上拉晶体管的第一驱动控制信号。 第二控制电路产生用于基于AC输入信号和第二DC偏置电压来控制下拉晶体管的第二驱动控制信号。 驱动电路基于第一驱动控制信号和第二驱动控制信号生成输出信号。 输出信号在上拉晶体管的第一电压和下拉晶体管的第二电压之间摆动。