1. A method for processing image data, comprising: obtaining a first set of images of a live event including an object when the object is at different locations in the live event, the first set of images are captured by at least one camera; storing and indexing camera registration-related data of the at least one camera for images of the first set of images; obtaining at least one additional image of the live event which is captured by the at least one camera; obtaining, from the stored camera registration-related data, based on the indexing, camera registration-related data; and determining an estimate of a position of a representation of the object in the at least one additional image based on the obtained camera registration-related data.