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    • 2. 发明公开
    • DYNAMIC IMAGE PROCESSING METHOD AND DEVICE AND MEDIUM
    • 动物园BIGDVERARBEITUNGSVERFAHREN,-VORRICHTUNG UND MEDIUM
    • EP1139286A1
    • 2001-10-04
    • EP00927804.5
    • 2000-05-18
    • Sanyo Electric Co., Ltd.
    • OUE, Yasuhiro, Sanyo Electric Co., Ltd.SUGIMOTO, Kazuhide, Sanyo Electric Co., Ltd.
    • G06T7/20B60R25/00
    • G07C9/00563B60R25/2045B60R25/252B60R25/305E05F15/00E05Y2400/86G06T7/251G06T2207/10016G06T2207/30196G07C9/00158
    • A dynamic image processing method and device for authenticating the user who uses a specific device by using motion information on the object. A monochromatic density time-series image captured by imaging an object by means of a camera is inputted.
      The object is detected from the initial frame of the inputted time-series image by using the basic shape feature, and reference points to be traced are automatically defined on the object.
      The points corresponding to the reference points are sought from an image frame of the inputted time-series image different from the initial frame. The motion information on the fingers and hands is calculated from the results of the trace of the reference points and the assumption of finite motion of a three-dimensional plane. Coordinate conversion of the three-dimensional object is carried out by using the calculated motion parameters and displayed as necessary. The reference points in each frame are updated on the basis of the results of the trace, and trace, calculation of motion parameters, and display for continuous frames are repeated.
    • 一种动态图像处理方法和装置,用于通过使用对象上的运动信息来认证使用特定装置的用户。 输入通过摄像机对物体成像而拍摄的单色密度时间序列图像。 通过使用基本形状特征从输入的时间序列图像的初始帧中检测对象,并且在对象上自动定义要跟踪的参考点。 从与初始帧不同的输入的时间序列图像的图像帧中寻找与参考点相对应的点。 根据参考点轨迹的结果和三维平面有限运动的假设计算手指和手上的运动信息。 通过使用计算出的运动参数进行三维物体的坐标转换,并根据需要进行显示。 每个帧中的参考点根据轨迹的结果进行更新,重复跟踪,运动参数的计算和连续帧的显示。