Camera movement correction apparatus, method and system
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United States of America Patent
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Mar 7, 2017
Grant Date -
May 16, 2013
app pub date -
Nov 2, 2012
filing date -
Nov 11, 2011
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Abstract
A camera movement correction apparatus for use in a system which detects the position of a sporting projectile within a scene, the apparatus comprising: an interface operable to receive a first and second image of the scene captured by a camera; a reference marker determiner operable to determine the position of a reference marker within the first and second image of the scene, the reference marker being static within the scene; a difference determination device operable to determine the difference between the position of the reference marker in the first and second image of the scene; and a corrective transformer operable to apply a corrective transform to the second image on the basis of said determined difference.
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