@inproceedings{khan1999x, title={X-ray localization technique for total hip replacement operation in augmented reality for therapy (ART)}, author={Khan, Liaquat A and Fei, BW and Ng, WS and Kwoh, CK}, booktitle={Proceedings of the First Joint BMES/EMBS Conference. 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Annual Fall Meeting of the Biomedical Engineering Society (Cat. N}, volume={1}, pages={649--vol}, year={1999}, organization={IEEE} }