1. A biometrical feature inputting apparatus comprising: a 1-dimensional or quasi 1-dimensional image sensor; a finger sliding guide configured to keep a finger not to contact with an effective pixel unit of said image sensor; and an image processing section configured to link 1-dimensional or quasi 1-dimensional partial images obtained by imaging emission light that is scattered inside the finger and then emitted from a skin surface of the finger by said image sensor during the relative motion.