By measuring the sensor response generated by a person walking within the field of view of a PIR sensor module, we can model this response data to a code vector that uniquely identifies the person.

• 我们利用感测器去侦测人员走动所产生的热辐射，系统中以吾人发明的特殊菲涅耳透镜阵列，结合光学运算及感测技术，达到无需成像直接捕捉步行者之热像生物特徵的效能。