A machine vision system is an integrated combination of hardware and software components designed to capture, process, and analyze images to perform automated inspection, measurement, and quality control tasks in industrial applications. These...

Spectral domain optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

A device used to project a reference spectrum next to a spectrum to be analyzed to provide visual comparison.

Optical coherence tomography (OCT) is a non-invasive imaging technique used in medical and scientific fields to capture...

A color space in which equal distances represent equal visually perceived color differences.

A pair of stars (double star) that can be seen separately with a telescope, generally by setting a filar micrometer for the...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

A neuromorphic vision sensor is a type of imaging device designed to mimic the structure and functioning of the human visual...

Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...

Computer vision enables computers to interpret and make decisions based on visual data, such as images and videos. It...

Swept-source optical coherence tomography is an imaging technique used in medical diagnostics, particularly in...

Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the...

A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...

The use of whiteness formulas to replace visual assessment.

Reflectance confocal microscopy (RCM) is a non-invasive imaging technique that allows for high-resolution, in vivo imaging...

1. Attribute of a visual sensation that permits a judgment to be made of the amount of pure chromatic color present. 2. The...

A calcium indicator is a molecule that is sensitive to changes in calcium ion (Ca2+) concentrations in biological systems....

The spontaneous visual presentation of radar information by electronic traces on a cathode-ray tube.

Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to...

The term light field refers to the spatial distribution of light rays traveling in all directions through a given space. It...

Structured illumination microscopy (SIM) is an advanced optical imaging technique used in microscopy to enhance the...

A visual defect that produces a disparity in the sizes of the images formed by the two eyes.

A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...

A visual, single-unit spectrophotometer with a biprism and a Wollaston prism. The Wollaston prism polarizes coincident...

A visual display used with a computer to give access to the many elements of data as an array of points. With the display...

The value of the expanse of b-particles in an absorber, evaluated by visual examination of breaks in the absorption curve.

A series of high contrast block letters or similar objects arranged to permit the evaluation of eyesight in humans.

The visual perception of contrasting forms is more difficult if the forms have the same luminance but different...

Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...

A mid-infrared camera is a type of imaging device designed to capture images in the mid-infrared (mid-IR) spectral range,...

Histochemical staining is a laboratory technique used in biology and medicine to visualize specific chemical components...

The difference in angular bearing of an object as seen by the two eyes, due to the separation of the visual optical axes.

Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other...

The angle subtended by an object, determined by the size of the object and its distance from the viewer.

1. The decrease of the absorption (or gain) coefficient of a medium near some transition frequency when the power of the...

A CMOS image sensor, short for complementary metal-oxide-semiconductor image sensor, is a type of semiconductor device used...

The optical element that receives light from the object and forms the first or primary image in telescopes and microscopes....

A Fresnel lens is a type of optical lens that consists of a series of concentric grooves or steps carved into a flat, thin...

An endoscope used for the visual examination of the bladder.

In visual perception, the smallest difference in illumination perceived on the average.

An instrument designed to give a visual indication to the pilot when the plane has strayed from a specific flight path.

The apparent visual angle that divides intrabeam viewing from extended-source viewing.

Automated optical inspection (AOI) is a technology used in manufacturing processes, particularly in electronics, to...

An optical combiner, in the context of optics and display technologies, refers to a device or component that combines...

A subtractive colorimeter that expresses a liquid's or object's color as a combination of three colors. These colors are...

An accurate cathode-ray tube display used to provide visual representation stored in a computer for the interpretation and...

A device that enables visual tracing of a fiber optic cable to check for breaks and defects by coupling visible light into...

Augmented reality (AR) is a technology that integrates digital information, typically in the form of computer-generated...

Intravital microscopy is an imaging technique used to visualize biological processes within living organisms, typically in...

A visual system including a tiny television tube and imaging optics, all contained in a helmet to be worn by pilots in...

Chip-on-board (COB) lights refer to a type of LED lighting technology where multiple LED chips are directly mounted onto a...

The optical reconstruction of image information contained in a sound field. First the diffraction pattern, formed by an...

Immunohistochemistry (IHC) is a method for detecting antigens or haptens in cells of a tissue section by using labeled...

The visual examination by a trained observer of the image of a point source. Any coloring or departure from the Airy disc...

Time-lapse optical coherence tomography (OCT) refers to a medical imaging technique that captures a series of sequential OCT...

A colorimeter is a device used to measure and quantify the color characteristics of an object or a light source. It provides...

An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials...

Also known as ocular. The lens system used between the final real image in a visual optical system and eye. It acts as an...

An instrument for measuring the brightness (luminance) of a scene. It may be a spot meter, covering an area of a degree or...

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

Vision at intermediate levels of luminance between photopic and scotopic vision, where both retinal cones and retinal rods...

A handheld, light-sensitive device that is used with a display console to directly change, measure or erase the visual...

Also termed eye distance. The distance between the vertex of the last optical surface of a visual optical system and the...

The attribute of visual experience that can be described as having quantitatively specifiable dimensions of hue, saturation,...

Embedded vision refers to the integration of computer vision technologies into various embedded systems, devices, or...

A halogen lamp, also known as a tungsten halogen, quartz-halogen, or quartz iodine lamp, is an incandescent lamp that uses a...

Advanced driver assistance systems (ADAS) refers to a set of safety features and technologies designed to assist drivers in...

Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically...

The fusion frequency of flicker that is needed just to produce complete fusion and to assure the visual sensation of...

The time domain is a concept used in signal processing and analysis to describe signals in terms of their behavior over...

A chemical solution that changes the silver salts (latent image) of exposed photographic film into black metallic silver...

Micro-optical coherence tomography (micro-OCT) is an imaging technique that is an adaptation of optical coherence tomography...

Machine vision lighting refers to the use of specific lighting techniques and equipment in the field of machine vision,...

Deep learning is a subset of machine learning that involves the use of artificial neural networks to model and solve complex...

An optical instrument designed for the visual examination of the inside of the stomach.

Ophthalmology is a branch of medicine that focuses on the anatomy, physiology, and diseases of the eyes and visual system....

Integration time, in the context of optics, imaging systems, and sensor technology, refers to the duration over which a...

Thermography is a technique that involves the use of an infrared imaging device, called a thermal camera or infrared camera,...

Photon-rich typically refers to an environment or situation where there is an abundance of photons present. In the context...

Concerned with the transmission and reception of both sight and sound. An audiovisual system communicates pictorial images...

Long-wave infrared (LWIR) refers to a specific range of the infrared spectrum. Infrared radiation is divided into three main...

A flexible display refers to a type of electronic visual display that is designed to be bendable, foldable, or rollable,...

Ultrasonic refers to sound waves with frequencies higher than the upper audible limit of human hearing, typically above...

In the context of imaging, particularly digital imaging and printing, "orange peel" refers to a texture or visual distortion...

Excimer laser coronary angioplasty (ELCA) refers to a medical procedure used in the treatment of coronary artery disease....

An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...

Single molecule localization microscopy (SMLM) is a group of super-resolution microscopy techniques that surpass the...

In optics, an image is the reconstruction of light rays from a source or object when light from that source or object is...

The field of view (FOV) refers to the extent of the observable world or the visible area that can be seen at any given...

Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by...

Remote inspection refers to the process of inspecting, evaluating, or monitoring assets, equipment, infrastructure, or...

Fluorescein is a synthetic organic compound extensively used as a fluorescent tracer in various applications, particularly...

A cold-cathode tube containing neon and designed to visually determine a potential difference or field.

An infrared lens is an optical component specifically designed and optimized for transmitting, focusing, or manipulating...

The science of producing, recording, storing, transmitting and displaying visual images by any system (photographic, video,...

A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...

A ghost image that has the reverse lightness relations of the original image. This phenomenon is a common optical illusion...

The small central portion of the human retina that is responsible for providing the clearest, and most distinct aspects of...

A collection of color samples arranged in charts according to equal visually spaced steps in Munsell hue, value and chroma.

An electrophoretic display, often referred to as an electronic paper display or e-paper display, is a type of electronic...

The inability to perceive visual images (visible radiant energy). In human beings, blindness is defined as a visual acuity...

Rate at which an image on a computer screen is redrawn (usually 50 or 60 Hz) to prevent flicker caused by the decay of the...

Stochastic optical reconstruction microscopy (STORM) is a superresolution microscopy technique that enables imaging of...

Magnification that is above the level of maximum useful magnification and does not contribute useful resolving power. In a...

Light diffusion refers to the process by which light is scattered or spread out in various directions as it interacts with a...

A nonlinear label-free imaging technique commonly used during surgical procedures for the visualization of collagen fibers...

A photometer that permits visual comparison of the luminance of two surfaces.

A variation of tomography, which is a means of visualizing any one of a large set of parallel planes in the patient. A...

That image remaining on the detector after the primary stimulus has been removed. In the visual system, the after-image...

A device that uses low-level visible radiation or infrared radiation to produce a visual image of a night scene. These...

Digital holographic microscopy (DHM) is an advanced imaging technique that combines holography and digital image processing...

Three-photon microscopy is an advanced imaging technique that belongs to the family of multi-photon microscopy methods. It...

An electron tube that stores and visually displays information by means of a cathode-ray-beam-scanning and charge-storage...

Quantitative phase imaging (QPI) is an advanced imaging technique used in microscopy to measure and analyze the optical...

A system composed of a prism spectroscope and compound microscope to provide the visual comparison of two spectra...

The condition of identity of visual appearance.

1. In visual perception, the minimum value of stimulus that can be perceived on the average. 2. In optical detection...

The perception of visual stimuli at the left and right outer boundaries of the visual field.

STED microscopy, or stimulated emission depletion microscopy, is a superresolution imaging technique in fluorescence...

An aerial reconnaissance system that can transmit, in near real time, image data recorded by IR and visual-spectrum sensors,...

A step-by-step method of reducing the amount of data in a digital video signal to transmit or store a high-quality image....

Photoelastic equipment and supplies refer to instruments and materials used in photoelasticity, a technique used to analyze...

A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...

In a general sense, any one of a class of instruments used to disperse radiation, visible or invisible, into its component...

The combination of the audio and visual signals that are transmitted and received at the same time, correlating the scene...

A thermal-infrared camera, often referred to simply as a thermal camera, is a type of imaging device that detects infrared...

An otoscope is a medical device used by healthcare professionals, particularly ear, nose, and throat (ENT) specialists,...

A point cloud is a set of data points in a three-dimensional coordinate system, where each point represents a specific...

Opsins are a group of light-sensitive proteins found primarily in the retinas of vertebrate and invertebrate eyes, as well...

Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...

Fluorescent proteins are proteins that exhibit the property of fluorescence, which is the ability to absorb light at a...

A photometric instrument used to measure the illumination falling on a surface. It may be photoelectric or visual.

Phase contrast microscopy is an optical microscopy technique that enhances the contrast of transparent and colorless...

A device for detecting visual and infrared radiation using a photoconductor as the principle sensing element.

Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...

An event-based image sensor, also known as a dynamic vision sensor (DVS), is a type of digital imaging device designed to...

Photochromic refers to a property exhibited by certain materials, typically organic compounds or dyes, which undergo...

Phototheranostics, a portmanteau of "photo" (light), "therapy," and "diagnostics," refers to an emerging field that combines...

Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into...

A charge-injection device (CID) refers to a class of devices that manipulate and detect electrical charge within a...

High dynamic range (HDR) refers to a technology that allows for a broader and more dynamic range of luminosity in visual...

Computer output in the form of pictorial representation (graphs, charts, drawings, etc.) that is displayed visually.

An optical instrument designed to permit the visual examination of the interior of the bronchi.

A compact optical projection system, mounted on or built into a helmet, and used to project data or a scene directly into...

In a visual optical system, the axial distance from the last mechanical surface of the eyepiece to the exit pupil.

1. A contour map of a photographic deposit consisting of lines and curves that join points of equal density. 2. The...

1. An instrument used to determine the visual range in an environment. 2. A type of photometer that artificially reduces an...

A high-speed motion camera, also known as a high-speed camera or slow-motion camera, is a specialized imaging device...

Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...

The letter form used on visual performance test charts. The overall letter height is equal to five times the thickness of...

The angular field of view that is seen by the eyes when fixed on a point straight ahead. The normal binocular visual field...

Fluorescence microscopy is a specialized optical imaging technique used in biology, chemistry, and materials science to...

An electron tube that employs electromagnetic radiation to produce a visual replica of an image produced on its cathode....

A cathode-ray display where information is represented visually as spots. Each spot's location is represented by a...

A visual spectrophotometer with a rhomb located directly before the entrance aperture of a constant-deviation...

A broken circle used as the test object in distinguishing visual acuity. The width of the gap in the circle is equal to the...

Hyperspectral resolution refers to the level of detail or granularity in the spectral information captured by a...

Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast microscopy, is an optical...

The angular relation between two light rays that originated at the same object point. Sometimes used to indicate the angle...

A device embodying a microprocessor that converts an image to digital form and then further enhances the image to prepare it...

An imaginary line between the object, through the nodal point of the eye, and the fovea, or point of finest retinal acuity.

Agents used for testing light sources and natural daylight with visual and instrumental assessment using a set of white...

Spontaneous changes to the visual system making it more or less sensitive to light.

Custom lapping and polishing services involve specialized processes used to improve the surface finish and dimensional...

A family of specialized instruments used by ophthalmologists and optometrists to study a patient's eyes and prescribe...

A small low-power microscope or magnifier with a scale that is used to measure the exit pupil diameter and eye relief on...

Autofluorescence refers to the natural emission of fluorescence exhibited by certain biological structures or molecules when...

Holography is a technique used to capture and reconstruct three-dimensional images using the principles of interference and...

A device, either visual or electronic, that emits signals to identify set positions for use in the navigation of aircraft...

The visual phenomenon of the apparent difference in the rate of motion of two objects that are actually moving at the same...

A reticle, also known as a reticule or graticule, is a pattern or set of markings placed in the focal plane of an optical...

The visual perception of motion when fixed stimuli are exposed in rapid temporal and spatial succession.

Multispectral imaging is a technique that involves capturing and analyzing images at multiple discrete spectral bands within...

A magnon is a quasiparticle representing a quantized spin wave in a magnetic material. In other words, it is a collective...

A microdisplay is a miniature electronic display technology that is designed to project visual information onto a small...

The instrument used to analyze a pulsed electromagnetic wave to determine its time, amplitude, duration and shape, and to...

The utilization of the light produced when electrical energy is directly converted into light within devices used for visual...

Videography refers to the process of capturing moving images and recording them in a digital format. It involves the use of...

A filter designed to improve contrast in an imaging system. For visual and black and white photosystems, a yellow filter is...

1. A device designed to convert the energy of incident radiation into another form for the determination of the presence of...

Laser texturing is a manufacturing process that involves using a laser beam to selectively modify the surface of a material,...

A photographic camera designed to produce reproduction film of visual information (pictures, line drawings, graphs) for...

In television, a lateral displacement of the lines from their normal position due to the instability of a synchronizing...

The numerical definition of the ability of an observer to perceive fine detail. The average value may be taken as one...

Frame rate refers to the frequency at which consecutive images, or frames, are displayed in a video sequence. It is...

The angle subtended by an object at the point of observation.

Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with...

An infrared camera, also known as a thermal imaging camera or IR camera, is a device that captures and visualizes the...

Cresyl violet, also known as cresyl violet acetate or cresyl echt violet, is a synthetic organic compound belonging to the...

A colorimetric concept related to the apparent visual color of a source (not its temperature). For a blackbody, the color...

The study of visual perception by the sense of sight.

Typically used for the examination of manufactured or engineered parts, an optical gauging device, in which a backlight is...

Visual equivalence of physically (usually spectrally) different stimuli.