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HSL and HSV

Index HSL and HSV

HSL (hue, saturation, lightness) and HSV (hue, saturation, value) are two alternative representations of the RGB color model, designed in the 1970s by computer graphics researchers to more closely align with the way human vision perceives color-making attributes. [1]

154 relations: Additive color, Adobe Illustrator, Adobe Photoshop, Adobe RGB color space, Albert Henry Munsell, Alvy Ray Smith, American Statistical Association, ArcGIS, Arithmetic mean, ASTM International, Atan2, Automatic number-plate recognition, Avid (company), Bicone, Blend modes, Blue, Brightness, Byte, C (programming language), Candela per square metre, Canny edge detector, Cascading Style Sheets, Chrominance, CIE 1931 color space, CIECAM02, CIELAB color space, CIELUV, Cluster analysis, CMYK color model, Color difference, Color management, Color picker, Color space, Color vision, Color wheel, Colorfulness, Composite video, Computer graphics, Computer Graphics (publication), Computer vision, Cone, Content-based image retrieval, Curve (tonality), Cyan, Data visualization, Degree (angle), Densitometry, Dial (measurement), Directional statistics, Edge detection, ..., Element (mathematics), Esri, Euclidean distance, Euclidean vector, Facial recognition system, Feature (computer vision), Feature detection (computer vision), Final Cut Pro, Fuzzy clustering, Gamma correction, Gamut, Geographic information system, Georges Valensi, GIMP, Grayscale, Green, Green sea turtle, HCL color space, Hexagonal pyramid, Hue, Image analysis, Image editing, Image segmentation, International Color Consortium, International Commission on Illumination, International Electrotechnical Commission, International System of Units, Interval (mathematics), JavaScript, JavaScript library, JPEG, K-means clustering, Lighting, Lightness, Lookup table, Luma (video), Luminance, Machine vision, Magenta, Maureen C. Stone, Medical imaging, Metamerism (color), Munsell Color Company, Munsell color system, Natural Color System, New York Institute of Technology, Non-linear editing system, Norm (mathematics), NTSC, Opponent process, Optical character recognition, Orange (colour), Outline of object recognition, PaintShop Pro, PAL, Pantone, PARC (company), Perpendicular, Phenomenology (psychology), Philipp Otto Runge, Photometry (optics), Piecewise, Plane (geometry), Primary color, Pseudocode, Radian, Radiance, Radiant flux, Raster graphics, Rec. 601, Rec. 709, Red, Relative luminance, RGB color model, RGB color space, RYB color model, SECAM, Secondary color, SIGGRAPH, Slider (computing), Solid angle, Spectral power distribution, Square metre, SRGB, Steradian, Subtractive color, Tektronix, The Optical Society, Tints and shades, Tooltip, Ulead PhotoImpact, Unique hues, Unit circle, Unit cube, Unit interval, Unix, Watt, White point, Wilhelm Ostwald, Wolfram Demonstrations Project, Xv (software), YCbCr, Yellow, 3D projection. Expand index (104 more) »

Additive color

Additive color is a method to create color by mixing a number of different light colors, with shades of red, green, and blue being the most common primary colors used in additive color system.

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Adobe Illustrator

Adobe Illustrator is a vector graphics editor developed and marketed by Adobe Systems.

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Adobe Photoshop

Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems for macOS and Windows.

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Adobe RGB color space

The Adobe RGB (1998) color space is an RGB color space developed by Adobe Systems, Inc. in 1998.

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Albert Henry Munsell

Albert Henry Munsell (January 6, 1858 – June 28, 1918) was an American painter, teacher of art, and the inventor of the Munsell color system.

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Alvy Ray Smith

Alvy Ray Smith III is an American computer scientist who cofounded Lucasfilm's Computer Division, and Pixar, participating in the 1980s and 1990s expansion of computer animation into feature film.

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American Statistical Association

The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States.

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ArcGIS

ArcGIS is a geographic information system (GIS) for working with maps and geographic information.

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Arithmetic mean

In mathematics and statistics, the arithmetic mean (stress on third syllable of "arithmetic"), or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection.

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ASTM International

ASTM International is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.

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Atan2

The function \operatorname (y,x) or \operatorname (y,x) is defined as the angle in the Euclidean plane, given in rad, between the positive x-axis and the ray to the Points in the upper half-plane deliver values in points with.

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Automatic number-plate recognition

Automatic number-plate recognition (ANPR; see also other names below) is a technology that uses optical character recognition on images to read vehicle registration plates to create vehicle location data.

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Avid (company)

Avid Technology (often known and styled as Avid) is an American technology and multimedia company founded in August 1987 by Bill Warner, based in Burlington, Massachusetts.

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Bicone

A bicone or dicone (bi- comes from Latin, di- from Greek) is the three-dimensional surface of revolution of a rhombus around one of its axes of symmetry.

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Blend modes

Blend modes (or Mixing modes) in digital image editing and computer graphics are used to determine how two layers are blended into each other.

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Blue

Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model.

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Brightness

Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.

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Byte

The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.

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C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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Candela per square metre

The candela per square metre (cd/m2) is the derived SI unit of luminance.

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Canny edge detector

The Canny edge detector is an edge detection operator that uses a multi-stage algorithm to detect a wide range of edges in images.

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Cascading Style Sheets

Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in a markup language like HTML.

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Chrominance

Chrominance (chroma or C for short) is the signal used in video systems to convey the color information of the picture, separately from the accompanying luma signal (or Y for short).

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CIE 1931 color space

The CIE 1931 color spaces were the first defined quantitative links between distributions of wavelengths in the electromagnetic visible spectrum, and physiologically perceived colors in human color vision.

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CIECAM02

In colorimetry, CIECAM02 is the color appearance model published in 2002 by the International Commission on Illumination (CIE) Technical Committee 8-01 (Color Appearance Modelling for Color Management Systems) and the successor of CIECAM97s.

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CIELAB color space

The CIELAB color space (also known as CIE L*a*b* or sometimes abbreviated as simply "Lab" color space) is a color space defined by the International Commission on Illumination (CIE) in 1976.

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CIELUV

In colorimetry, the CIE 1976 L*, u*, v* color space, commonly known by its abbreviation CIELUV, is a color space adopted by the International Commission on Illumination (CIE) in 1976, as a simple-to-compute transformation of the 1931 CIE XYZ color space, but which attempted perceptual uniformity.

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Cluster analysis

Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense) to each other than to those in other groups (clusters).

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CMYK color model

The CMYK color model (process color, four color) is a subtractive color model, used in color printing, and is also used to describe the printing process itself.

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Color difference

The difference or distance between two colors is a metric of interest in color science.

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Color management

In digital imaging systems, color management is the controlled conversion between the color representations of various devices, such as image scanners, digital cameras, monitors, TV screens, film printers, computer printers, offset presses, and corresponding media.

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Color picker

A color picker (also color chooser or color tool), is a graphical user interface widget, usually found within graphics software or online, used to select colors and sometimes to create color schemes.

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Color space

A color space is a specific organization of colors.

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Color vision

Color vision is the ability of an organism or machine to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.

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Color wheel

A color wheel or colour circle is an abstract illustrative organization of color hues around a circle, which shows the relationships between primary colors, secondary colors, tertiary colors etc.

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Colorfulness

Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity.

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Composite video

Composite video (one channel) is an analog video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution.

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Computer graphics

Computer graphics are pictures and films created using computers.

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Computer Graphics (publication)

Computer Graphics was a publication of ACM SIGGRAPH.

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Computer vision

Computer vision is a field that deals with how computers can be made for gaining high-level understanding from digital images or videos.

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Cone

A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex.

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Content-based image retrieval

Content-based image retrieval (CBIR), also known as query by image content (QBIC) and content-based visual information retrieval (CBVIR) is the application of computer vision techniques to the image retrieval problem, that is, the problem of searching for digital images in large databases (see this survey (Original source, 404'd), Michael Lew, et al., ACM Transactions on Multimedia Computing, Communications, and Applications, pp. 1–19, 2006. for a recent scientific overview of the CBIR field).

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Curve (tonality)

In image editing, a curve is a remapping of image tonality, specified as a function from input level to output level, used as a way to emphasize colours or other elements in a picture.

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Cyan

Cyan is a greenish-blue color.

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Data visualization

Data visualiation or data visualiation is viewed by many disciplines as a modern equivalent of visual communication.

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Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.

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Densitometry

Densitometry is the quantitative measurement of optical density in light-sensitive materials, such as photographic paper or photographic film, due to exposure to light.

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Dial (measurement)

A dial is generally a flat surface, circular or rectangular, with numbers or similar markings on it, used for displaying the setting or output of a timepiece, radio, clock, watch, or measuring instrument.

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Directional statistics

Directional statistics (also circular statistics or spherical statistics) is the subdiscipline of statistics that deals with directions (unit vectors in Rn), axes (lines through the origin in Rn) or rotations in Rn.

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Edge detection

Edge detection includes a variety of mathematical methods that aim at identifying points in a digital image at which the image brightness changes sharply or, more formally, has discontinuities.

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Element (mathematics)

In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set.

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Esri

Esri (a.k.a. Environmental Systems Research Institute) is an international supplier of geographic information system (GIS) software, web GIS and geodatabase management applications.

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Euclidean distance

In mathematics, the Euclidean distance or Euclidean metric is the "ordinary" straight-line distance between two points in Euclidean space.

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Euclidean vector

In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.

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Facial recognition system

A facial recognition system is a technology capable of identifying or verifying a person from a digital image or a video frame from a video source.

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Feature (computer vision)

In computer vision and image processing, a feature is a piece of information which is relevant for solving the computational task related to a certain application.

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Feature detection (computer vision)

In computer vision and image processing feature detection includes methods for computing abstractions of image information and making local decisions at every image point whether there is an image feature of a given type at that point or not.

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Final Cut Pro

Final Cut Pro is a series of non-linear video editing software programs first developed by Macromedia Inc. and later Apple Inc. The most recent version, Final Cut Pro X 10.4.2, runs on Intel-based Mac computers powered by macOS High Sierra or later.

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Fuzzy clustering

Fuzzy clustering (also referred to as soft clustering) is a form of clustering in which each data point can belong to more than one cluster.

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Gamma correction

Gamma correction, or often simply gamma, is a nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems.

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Gamut

In color reproduction, including computer graphics and photography, the gamut, or color gamut, is a certain complete subset of colors.

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Geographic information system

A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.

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Georges Valensi

M.

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GIMP

GIMP (GNU Image Manipulation Program) is a free and open-source raster graphics editor used for image retouching and editing, free-form drawing, converting between different image formats, and more specialized tasks.

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Grayscale

In photography, computing, and colorimetry, a grayscale or greyscale image is one in which the value of each pixel is a single sample representing only an amount of light, that is, it carries only intensity information.

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Green

Green is the color between blue and yellow on the visible spectrum.

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Green sea turtle

The green sea turtle (Chelonia mydas), also known as the green turtle, black (sea) turtle or Pacific green turtle, is a large sea turtle of the family Cheloniidae.

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HCL color space

HCL (Hue-Chroma-Luminance) is a color space model designed to accord with human perception of color.

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Hexagonal pyramid

In geometry, a hexagonal pyramid is a pyramid with a hexagonal base upon which are erected six triangular faces that meet at a point (the apex).

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Hue

Hue is one of the main properties (called color appearance parameters) of a color, defined technically (in the CIECAM02 model), as "the degree to which a stimulus can be described as similar to or different from stimuli that are described as red, green, blue, and yellow", (which in certain theories of color vision are called unique hues).

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Image analysis

Image analysis is the extraction of meaningful information from images; mainly from digital images by means of digital image processing techniques.

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Image editing

Image editing encompasses the processes of altering images, whether they are digital photographs, traditional photo-chemical photographs, or illustrations.

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Image segmentation

In computer vision, image segmentation is the process of partitioning a digital image into multiple segments (sets of pixels, also known as super-pixels).

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International Color Consortium

The International Color Consortium was formed in 1993 by eight vendors in order to create an open, vendor-neutral color management system which would function transparently across all operating systems and software packages.

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International Commission on Illumination

The International Commission on Illumination (usually abbreviated CIE for its French name, Commission internationale de l'éclairage) is the international authority on light, illumination, colour, and colour spaces.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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International System of Units

The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.

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Interval (mathematics)

In mathematics, a (real) interval is a set of real numbers with the property that any number that lies between two numbers in the set is also included in the set.

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JavaScript

JavaScript, often abbreviated as JS, is a high-level, interpreted programming language.

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JavaScript library

A JavaScript library is a library of pre-written JavaScript which allows for easier development of JavaScript-based applications, especially for AJAX and other web-centric technologies.

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JPEG

JPEG is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

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K-means clustering

k-means clustering is a method of vector quantization, originally from signal processing, that is popular for cluster analysis in data mining.

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Lighting

Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect.

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Lightness

In colorimetry and color theory, lightness, also known as value or tone, is a representation of variation in the perception of a color or color space's brightness.

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Lookup table

In computer science, a lookup table is an array that replaces runtime computation with a simpler array indexing operation.

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Luma (video)

In video, luma represents the brightness in an image (the "black-and-white" or achromatic portion of the image).

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Luminance

Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction.

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Machine vision

Machine vision (MV) is the technology and methods used to provide imaging-based automatic inspection and analysis for such applications as automatic inspection, process control, and robot guidance, usually in industry.

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Magenta

Magenta is a color that is variously defined as purplish-red, reddish-purple, purplish, or mauvish-crimson.

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Maureen C. Stone

Maureen C. Stone is an American computer scientist, specializing in color modeling.

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Medical imaging

Medical imaging is the technique and process of creating visual representations of the interior of a body for clinical analysis and medical intervention, as well as visual representation of the function of some organs or tissues (physiology).

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Metamerism (color)

In colorimetry, metamerism is a perceived matching of the colors with different (nonmatching) spectral power distributions.

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Munsell Color Company

The Munsell Color Company was founded by Albert H. Munsell in 1917 with two other stockholders, Arthur Allen and Ray Greenleaf.

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Munsell color system

In colorimetry, the Munsell color system is a color space that specifies colors based on three color dimensions: hue, value (lightness), and chroma (color purity).

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Natural Color System

The Natural Color System (NCS) is a proprietary perceptual color model.

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New York Institute of Technology

New York Institute of Technology (also known as NYIT) is a private, independent, nonprofit, non-sectarian, coeducational research university founded in 1955.

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Non-linear editing system

Non-destructive editing is a form of audio, video or image editing where the original content is not modified in the course of editing, instead the edits are specified and modified by specialized software.

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Norm (mathematics)

In linear algebra, functional analysis, and related areas of mathematics, a norm is a function that assigns a strictly positive length or size to each vector in a vector space—save for the zero vector, which is assigned a length of zero.

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NTSC

NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.

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Opponent process

The color opponent process is a color theory that states that the human visual system interprets information about color by processing signals from cones and rods in an antagonistic manner.

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Optical character recognition

Optical character recognition (also optical character reader, OCR) is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo (for example the text on signs and billboards in a landscape photo) or from subtitle text superimposed on an image (for example from a television broadcast).

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Orange (colour)

Orange is the colour between yellow and red on the spectrum of visible light.

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Outline of object recognition

The following outline is provided as an overview of and topical guide to object recognition: Object recognition – technology in the field of computer vision for finding and identifying objects in an image or video sequence.

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PaintShop Pro

PaintShop Pro (PSP) is a raster and vector graphics editor for Microsoft Windows.

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PAL

Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).

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Pantone

Pantone Inc. is a U.S. corporation headquartered in Carlstadt, New Jersey.

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PARC (company)

PARC (Palo Alto Research Center; formerly Xerox PARC) is a research and development company in Palo Alto, California, with a distinguished reputation for its contributions to information technology and hardware systems.

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Perpendicular

In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees).

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Phenomenology (psychology)

Phenomenology within psychology (phenomenological psychology) is the psychological study of subjective experience.

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Philipp Otto Runge

Philipp Otto Runge (23 July 1777 – 2 December 1810) was a Romantic German painter and draughtsman.

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Photometry (optics)

Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye.

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Piecewise

In mathematics, a piecewise-defined function (also called a piecewise function or a hybrid function) is a function defined by multiple sub-functions, each sub-function applying to a certain interval of the main function's domain, a sub-domain.

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Plane (geometry)

In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far.

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Primary color

A set of primary colors is, most tangibly, a set of real colorants or colored lights that can be combined in varying amounts to produce a gamut of colors.

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Pseudocode

Pseudocode is an informal high-level description of the operating principle of a computer program or other algorithm.

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Radian

The radian (SI symbol rad) is the SI unit for measuring angles, and is the standard unit of angular measure used in many areas of mathematics.

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Radiance

In radiometry, radiance is the radiant flux emitted, reflected, transmitted or received by a given surface, per unit solid angle per unit projected area.

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Radiant flux

In radiometry, radiant flux or radiant power is the radiant energy emitted, reflected, transmitted or received, per unit time, and spectral flux or spectral power is the radiant flux per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength.

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Raster graphics

In computer graphics, a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color), viewable via a monitor, paper, or other display medium.

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Rec. 601

ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec.

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Rec. 709

ITU-R Recommendation BT.709, more commonly known by the abbreviations Rec. 709 or BT.709, standardizes the format of high-definition television, having 16:9 (widescreen) aspect ratio.

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Red

Red is the color at the end of the visible spectrum of light, next to orange and opposite violet.

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Relative luminance

Relative luminance follows the photometric definition of luminance, but with the values normalized to 1 or 100 for a reference white.

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RGB color model

The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.

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RGB color space

A RGB color space is any additive color space based on the RGB color model.

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RYB color model

RYB (an abbreviation of red–yellow–blue) is a historical set of colors used in subtractive color mixing and is one commonly used set of primary colors.

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SECAM

SECAM, also written SÉCAM (Séquentiel couleur à mémoire, French for "Sequential colour with memory"), is an analogue color television system first used in France.

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Secondary color

A secondary color is a color made by mixing two primary colors in a given color space.

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SIGGRAPH

SIGGRAPH (Special Interest Group on Computer GRAPHics and Interactive Techniques) is the annual conference on computer graphics (CG) convened by the ACM SIGGRAPH organization.

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Slider (computing)

A slider or track bar is a graphical control element with which a user may set a value by moving an indicator, usually in a horizontal fashion.

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Solid angle

In geometry, a solid angle (symbol) is a measure of the amount of the field of view from some particular point that a given object covers.

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Spectral power distribution

In radiometry, photometry and color science, a spectral power distribution (SPD) measurement describes the power per unit area per unit wavelength of an illumination (radiant exitance).

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Square metre

The square metre (International spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the SI derived unit of area, with symbol m2 (Unicode character). It is the area of a square whose sides measure exactly one metre.

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SRGB

sRGB (standard Red Green Blue) is an RGB color space that HP and Microsoft created cooperatively in 1996 to use on monitors, printers, and the Internet.

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Steradian

No description.

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Subtractive color

A subtractive color model explains the mixing of a limited set of dyes, inks, paint pigments or natural colorants to create a wider range of colors, each the result of partially or completely subtracting (that is, absorbing) some wavelengths of light and not others.

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Tektronix

Tektronix, Inc., historically widely known as "Tek", is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment.

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The Optical Society

The Optical Society (originally established as The Optical Society of America, OSA) is a scientific society dedicated to advancing the study of light—optics and photonics—in theory and application, by means of publishing, organizing conferences and exhibitions, partnership with industry, and education.

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Tints and shades

In color theory, a tint is the mixture of a color with white, which increases lightness, while a shade with black, which reduces lightness.

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Tooltip

The tooltip or infotip or a hint is a common graphical user interface element.

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Ulead PhotoImpact

Ulead PhotoImpact (originally called Iedit) is a raster and vector graphics editing program published by Ulead Systems.

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Unique hues

Unique hue is a term used in certain theories of color vision, which implies that human perception distinguishes between "unique" (psychologically primary) and composite (mixed) hues.

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Unit circle

In mathematics, a unit circle is a circle with a radius of one.

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Unit cube

A unit cube, more formally a cube of side 1, is a cube whose sides are 1 unit long.

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Unit interval

In mathematics, the unit interval is the closed interval, that is, the set of all real numbers that are greater than or equal to 0 and less than or equal to 1.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Watt

The watt (symbol: W) is a unit of power.

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White point

A white point (often referred to as reference white or target white in technical documents) is a set of tristimulus values or chromaticity coordinates that serve to define the color "white" in image capture, encoding, or reproduction.

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Wilhelm Ostwald

Friedrich Wilhelm Ostwald (2 September 1853 – 4 April 1932) was a German chemist.

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Wolfram Demonstrations Project

The Wolfram Demonstrations Project is an organized, open-source collection of small (or medium-size) interactive programs called Demonstrations, which are meant to visually and interactively represent ideas from a range of fields.

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Xv (software)

xv is a shareware program written by John Bradley to display and modify digital images under the X Window System.

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YCbCr

YCbCr, Y′CbCr, or Y Pb/Cb Pr/Cr, also written as YCBCR or Y'CBCR, is a family of color spaces used as a part of the color image pipeline in video and digital photography systems.

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Yellow

Yellow is the color between orange and green on the spectrum of visible light.

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3D projection

3D projection is any method of mapping three-dimensional points to a two-dimensional plane.

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Redirects here:

Bi-hexcone, Color spindle, Double hexcone, HLS color space, HSB color model, HSB color space, HSB colour space, HSI color space, HSL & HSV, HSL color model, HSL color space, HSV and HSL, HSV color model, HSV color space, HSV colour space, Hexcone, Hsl and Hsv, Hsl color space, Hsv color, Hue/saturation/value, Luminance-Hue-Saturation.

References

[1] https://en.wikipedia.org/wiki/HSL_and_HSV

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