retinal scanning

См. также в других словарях:

• retinal scanning — noun biometric identification by scanning the retina of the eye identification by retinal scanning is complicated by eye movements • Hypernyms: ↑biometric identification, ↑biometric authentication, ↑identity verification …   Useful english dictionary

• Retinal scan — A retinal scan is a biometric technique that uses the unique patterns on a person s retina to identify them. It is not to be confused with another ocular based technology, iris recognition. Introduction The human retina is a thin tissue composed… …   Wikipedia

• retinal scanner — /ˌrɛtənəl ˈskænə/ (say .retuhnuhl skanuh) noun a device which scans the retina of the eye, as a means of identification of a person. –retinal scanning, noun …  

• Scanning laser ophthalmoscopy — Retinal image of a left eye via Optos Optomap. Scanning laser ophthalmoscopy (SLO) is a method of examination of the eye. It uses the technique of confocal laser scanning microscopy for diagnostic imaging of retina or cornea of the human eye. As… …   Wikipedia

• scanning laser ophthalmoscope — (SLO) an instrument for retinal imaging in which light from a low power laser beam that scans the retina is reflected back to a sensor; the light detected by the sensor is used to create a full color composite digital image …   Medical dictionary

• Parallax scanning — depth enhancing imaging methods rely on discrete parallax differences between depth planes in a scene. The differences are caused by a parallax scan. When properly balanced (tuned) and displayed, the discrete parallax differences are perceived by …   Wikipedia

• Virtual retinal display — A virtual retinal display (VRD), also known as a retinal scan display (RSD), is a new display technology that draws a raster display (like a television) directly onto the retina of the eye. The user sees what appears to be a conventional display… …   Wikipedia

• Iris recognition — Infobox Anatomy Name = Iris Latin = Caption = The iris is the green/grey/brown area. The other structures visible are the pupil in the centre and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is… …   Wikipedia

• Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… …   Wikipedia

• Electronic lock — A quick demonstration of an electronic door lock An electronic lock (more precisely an electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand alone with an electronic control assembly… …   Wikipedia

• biometric authentication — noun the automatic identification of living individuals by using their physiological and behavioral characteristics negative identification can only be accomplished through biometric identification if a pin or password is lost or forgotten it can …   Useful english dictionary