Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics. These unique attributes are used to verify or identify individuals, often in the context of security, access control, or...

A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...

A strip or annulus of glass coated with a semitransparent material such as inconel. The coating thickness, and as a result...

The superimposition of a pilot object on each hologram. The fixed relative position of the scanning and pilot beam during...

Any of the photoelectric and thermal detectors, spectrographs and monochromators, thermographs, scanners, amplifier tubes,...

A linear image sensor is a type of solid-state electronic device used to capture and convert light into electrical signals....

A device used to scan, with a small, intensely bright spot, portions of a picture surface and to transform the original...

An imaging device analogous to a drum scanner, but operating at greater speeds; it uses a row of sensors to traverse an...

A system mounted a few inches above a moving plane that consists of a light source, lenses and one or more phototubes. In...

A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...

An instrument that uses a beam of light to scan a color transparency, and three differently filtered photosensors to record...

An optical barcode reader, commonly known as a barcode scanner, is a device that uses optical technology to capture and...

Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and...

Pushbroom scanning is a technique used in remote sensing and imaging systems, particularly in satellite and aerial sensors,...

Image distortion that occurs when the axes of the original image are not perpendicular in the resulting image, making the...

The record formed on paper by a scanner.

A scintillation crystal, also known simply as a scintillator, is a material that emits light when it interacts with ionizing...

A device consisting of a disc with a spiral arrangement of holes that is used to convert visible patterns into electrical...

The scanning of photographs or transparencies of images, either by a vidicon camera or flying spot scanner, for the...

A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...

An instrument used to record the emittance or reflectance of an object by scanning with discrete spectral resolution over a...

The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...

1. A device used to trace out an object and build up an image. One of the most common of these types is video scanning. The...

Developed for use in military reconnaissance systems, it consists of a polygonal mirror, drive motor, interface between...

A system by which consumer products are assigned a bar code that is read by a scanner at a cash register, enabling...

A phase reflection scanner that eliminates the need for a complex translation device while maintaining a high-energy-density...

A diode laser is a type of laser that uses a semiconductor diode as the active medium to generate coherent light....

An image-processing device that scans in a straight line parallel to the axis of a rotating cylinder to which the material...

A GaAlAs laser is a type of semiconductor laser diode that emits light in the near-infrared region of the electromagnetic...

A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...

A sequential scanning device, utilizing a revolving lens, in which the cathode-ray tube image is transformed into a circle...

The use of miniature scanners to project raster-scanned video images directly onto the surface of the human retina,...

A scintillation detector is a radiation detection device that utilizes scintillation crystals to detect and measure ionizing...

An optical system used to collect infrared energy from a scene using scanning optics with a point or line detector, as...

A scanner in which a fiber optic assembly replaces a lens system.

A microscope that uses a flying spot scanner, directed through the eyepiece, as a light source to determine the features of...

RGB stands for red, green, blue, which are the primary colors of light used in additive color mixing. The RGB color model is...

An optical scanning device designed to read information printed in the form of bars of different size by detection and...

Line scan refers to a method of capturing images or data by scanning a single line at a time, as opposed to capturing the...

An optical scanning system found in most computer scanners that can read documents, often in many type styles, and convert...

A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...

A device designed to enlarge the image of a microscopic object by television process. It may be a flying spot scanner that...

A device used to transmit and receive images that have been converted to electrical signals over regular telephone lines; it...