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    • 4. 发明申请
    • METHOD FOR AUTOMATIC TRACKING OF A MOVING BODY
    • 自动跟踪移动体的方法
    • WO2002089064A1
    • 2002-11-07
    • PCT/SE2002/000821
    • 2002-04-26
    • SMART EYE ABNILSSON, JesperSÖRNER, Per
    • NILSSON, JesperSÖRNER, Per
    • G06T7/20
    • G06K9/3216G06K9/00248G06T7/74
    • The present invention relates to a method for automatic tracking of a body comprising the steps of defining (step 11) several sets of templates, each set comprising a plurality of templates consisting of areas selected from a 2D image of the body, relating (step 12) each template set to a body coordinate system (26), acquiring (step 14) at least two images (21-25) representing different views of the body at one given moment in time, and for each image associating (step 15) the image with at least one of said template sets, locating (step 16) each template in this template set in the image, and calculating a preliminary position of said body coordinate system (26) in space, and using a geometrical relationship between said views to combine said preliminary positions, thereby reducing uncertainties in the position of the body coordinate system in space. Thus, several "preliminary" BCS orientations are combined to generate a final BCS orientation. The inventive method secures an improved redundancy compared to conventional technology.
    • 本发明涉及一种用于自动跟踪身体的方法,包括以下步骤:定义(步骤11)若干组模板,每组模板包括由身体的2D图像中选择的区域组成的多个模板(步骤12) )将每个模板设置为身体坐标系(26),获取(步骤14)在一个给定时刻表示身体的不同视图的至少两个图像(21-25),并且对于每个图像关联(步骤15), 具有至少一个所述模板集的图像,在图像中设置的该模板中定位(步骤16)每个模板,以及在空间中计算所述身体坐标系(26)的初步位置,并且使用所述视图之间的几何关系 组合初步位置,从而减少人体坐标系在空间中的位置的不确定性。 因此,组合几个“初步”BCS取向以产生最终的BCS取向。 与常规技术相比,本发明的方法确保了改进的冗余。