A terminal biometric imaging method and a mobile apparatus

It discloses a biometric image forming apparatus and method capable of switching filter. The biometric image forming apparatus comprising an optical lens assembly of the region of interest for biometric imaging optics, an optical image comprises the biometric image into an electronic image sensor, when the opening of the region of interest biometrics infrared light and infrared light for illuminating the switchable filter unit. Switchable filter unit for blocking the non-visible light comprises a first filter for allowing infrared light to pass through the second filter, the first filter and for moving the position of the second filter The drive mechanism and the drive controller. Drive controller generates the driving mechanism moves the first filter to the first drive signal on an optical path of the optical lens member of the driving mechanism or the second drive to move the second optical filter on an optical path of the optical lens assembly signal.