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    • 5. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD
    • US20090066784A1
    • 2009-03-12
    • US12204417
    • 2008-09-04
    • Jonathan James StoneRobert Mark Stefan PorterClive Henry Gillard
    • Jonathan James StoneRobert Mark Stefan PorterClive Henry Gillard
    • H04N13/02
    • G06T7/74G06T7/20G06T7/536G06T15/20G06T2207/10016G06T2207/30221G06T2207/30228G06T2207/30241
    • An image processing apparatus and method generate a three dimensional representation of a scene which includes a plurality of objects disposed on a plane. The three dimensional representation is generated from one or more video images of the scene, which include the objects on the plane produced from a view of the scene by a video camera. The method comprises processing the captured video images so as to extract one or more image features from each object, comparing the one or more image features with sample image features from a predetermined set of possible example objects which the video images may contain, and identifying the objects from the comparison of the image features with the stored image features of the possible example objects. The method also includes generating object path data, which includes object identification data for each object which identifies the respective object; and provides a position of the object on the plane in the video images with respect to time. The method further includes calculating a projection matrix for projecting the position of each of the objects according to the object path data from the plane into a three dimensional model of the plane. As such a three dimensional representation of the scene which includes a synthesised representation of each of the plurality of objects on the plane can be produced, by projecting the position of the objects according to the object path data into the plane of the three dimensional model of the scene using the projection matrix and a predetermined assumption of the height of each of the objects. Accordingly, a three dimensional representation of a live video image of, for example, a football match can be generated, or tracking information included on the live video images. As such, a change in a relative view of the generated three dimensional representation can be made, so that a view can be provided in the three dimensional representation of the scene from a view point at which no camera is actually present to capture video images of the live scene.
    • 6. 发明授权
    • Image processing apparatus and method
    • 图像处理装置及方法
    • US08284238B2
    • 2012-10-09
    • US12204417
    • 2008-09-04
    • Jonathan James StoneRobert Mark Stefan PorterClive Henry Gillard
    • Jonathan James StoneRobert Mark Stefan PorterClive Henry Gillard
    • H04N13/02
    • G06T7/74G06T7/20G06T7/536G06T15/20G06T2207/10016G06T2207/30221G06T2207/30228G06T2207/30241
    • An image processing apparatus and a method for generating a three dimensional representation of a scene, which includes a plurality of objects disposed on a plane, is disclosed. The three dimensional representation is generated from one or more video images of the scene, which include the objects on the plane produced from a view of the scene by a video camera. The method includes processing the captured video images to extract image features from each object, comparing image features with sample image features from a predetermined set of possible example objects, and identifying the objects from the comparison of the image features with the sample image features. The method also includes generating object path data, which includes object identification data for each object which identifies the respective object; and provides a position of the object on the plane in the video images with respect to time.
    • 公开了一种用于产生场景的三维表示的图像处理装置和方法,其包括设置在平面上的多个对象。 从场景的一个或多个视频图像生成三维表示,其包括通过摄像机从场景视图产生的平面上的物体。 该方法包括处理捕获的视频图像以从每个对象提取图像特征,将图像特征与来自预定的一组可能的示例对象的样本图像特征进行比较,以及从图像特征与样本图像特征的比较中识别对象。 该方法还包括生成对象路径数据,其包括标识相应对象的每个对象的对象标识数据; 并且相对于时间在视频图像中的平面上提供对象的位置。