Importance

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Abstract

A method of determining a score of a dart in a play surface of a dartboard using a plurality of cameras facing the dartboard is provided, wherein a direction of view of each of the plurality of cameras is at a non-zero angle relative to a plane containing the play surface of the dartboard, the method comprising: calculating a homography matrix for each camera within the plurality of cameras, the homography matrix being for transforming an image of the dartboard captured by the respective camera from a view of the respective camera to a front-view of the dartboard; capturing a first image of the dartboard using each of the cameras at a first time, and capturing a second image of the dartboard using each of the plurality of cameras at a second time, the second time being subsequent to the first time, and the dart being in the play surface of the dartboard at the second time; producing a plurality of differential scoring images by comparing each first image to the second image captured by the respective camera; using at least two of the differential scoring images with their respective homography matrices to determine a location of intersection between the dart and the play surface of the dartboard; and determining a score based on the determined location of intersection.

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First Claim