1. A method for determining implant pose, the method comprising: segmenting data representing an implant from an x-ray image; comparing the segmented data representing the implant with a model of the implant in different poses relative to an x-ray source; identifying a match of the segmented data representing the implant to a first one of the different poses of the model of the implant, the match identified based on the comparing; determining the implant pose from the first pose of the model of the implant.