Details of sensors, e.g. sensor lenses (fingerprint or palmprint sensors G06V40/13; vascular sensors G06V40/145; eye sensors G06V40/19)

Full Title

Arrangements for image or video recognition or understanding (character recognition in images or video G06V30/10) > Image acquisition (document image scanning and transmission H04N1/00; control of digital cameras H04N23/60) > Details of acquisition arrangements; Constructional details thereof > Optical characteristics of the device performing the acquisition or on the illumination arrangements > Details of sensors, e.g. sensor lenses (fingerprint or palmprint sensors G06V40/13; vascular sensors G06V40/145; eye sensors G06V40/19)