@article{https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami03, title = "Visual identification by signature tracking", journal = "IEEE Transactions on Pattern Recognition and Machine Intelligence", year = "2003", url = "https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami03", id = "record", issn = "0162-8828", doi = "10.1109/TPAMI.2003.1177152", volume = "25" } @article{https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami02, title = "Visual input for pen-based computers", journal = "IEEE Transactions on Pattern Recognition and Machine Intelligence", year = "2002", url = "https://resolver.caltech.edu/CaltechAUTHORS:MUNieeetpami02", id = "record", issn = "0162-8828", doi = "10.1109/34.990134", volume = "24" }