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    • 10. 发明公开
    • METHOD AND APPARATUS FOR SENSING MOVING BALL
    • 用于感测运动球的方法和设备
    • EP2945120A1
    • 2015-11-18
    • EP14738054.7
    • 2014-01-08
    • Golfzon Co., Ltd. (Doryong-dong)
    • KIM, Se-hwan
    • G06T7/20A63B39/00G03B39/00
    • G06T7/285G03B35/08G06K9/78G06K2209/25G06T7/246G06T7/593G06T7/73G06T2207/10021G06T2207/30204H04N13/239
    • Provided are an apparatus and method for sensing a moving ball, which extract a feature portion such as a trademark, a logo, etc. indicated on a ball from consecutive images of a moving ball, acquired by an image acquisition unit embodied by a predetermined camera device, and rapidly, and accurately calculate spin of the ball, specifically, even when only a portion of the feature portion indicated on the image remains due to rotation of the ball so as to calculate a spin axis and spin amount of rotation the moving ball based on the feature portion and thus spin of the ball is rapidly and accurately calculated, thereby achieving rapid and stable calculation of the ball in a relatively low performance system. The apparatus includes an image acquisition unit for acquiring consecutive images of a ball, an image processing unit for extracting a feature portion of the ball from the acquired images, and a spin calculation unit for performing any one of forward operation analysis and inverse operation analysis to calculate spin of the ball.
    • 本发明提供一种用于感测移动球的装置和方法,该移动球从由预定相机体现的图像获取单元获取的移动球的连续图像中提取指示在球上的诸如商标,徽标等的特征部分 装置,并且迅速准确地计算球的旋转,具体地,即使当由于球的旋转而仅留下图像上指示的特征部分的一部分以便计算旋转轴和旋转旋转量时,移动球 基于特征部分并且因此球的旋转被快速且精确地计算,由此在相对低性能的系统中实现球的快速和稳定的计算。 该装置包括:图像获取单元,用于获取球的连续图像;图像处理单元,用于从获取的图像中提取球的特征部分;旋转计算单元,用于执行向前运算分析和逆运算分析中的任何一个 计算球的旋转。