The specifications of fingerprint sensor are diverse

the principle and design are different

and one product is incompatible with other products

which led to system matching performance of different types of sensors reduced greatly.An approach combined two common types of fingerprint sensors（optical and capacitive sensors） is presented to improve system matching performance.Two images are captured from two types of sensors respectively.After the pre-processing program extracted detail point match the template fingerprint

and the two matching scores are obtained

and then final score is obtained from fusion of two matching scores.Compared with single sensor matching performance

fusion result has greatly improved the performance of the system.