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High-dynamic-range imaging

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High-dynamic-range imaging (HDRI) is a high dynamic range (HDR) technique used in imaging and photography to reproduce a greater dynamic range of luminosity than is possible with standard digital imaging or photographic techniques. [1]

91 relations: Adaptation (eye), Adobe Photoshop, Adobe Systems, Albert Schweitzer, Ansel Adams, Aperture, Aurora HDR, Autobracketing, Bracketing, Canon EOS 40D, Canon EOS-1D Mark II, Canon PowerShot G, Canon PowerShot G7 X, Canon PowerShot S100, Canon PowerShot S95, Channel (digital image), Charge-coupled device, Charles Wyckoff, Chrominance, Color calibration, Color depth, Comparison of graphics file formats, Depth of field, Digital image, Digital imaging, Display contrast, Dodging and burning, DxO, Dynamic Photo HDR, EasyHDR, EG&G, Exposure (photography), Exposure value, Fixed-point arithmetic, Floating-point arithmetic, Gamma correction, Gustave Le Gray, Half-precision floating-point format, HDR PhotoStudio, High dynamic range, High-dynamic-range rendering, High-dynamic-range video, Iris (anatomy), J. Paul Getty Museum, JPEG, JPEG XT, Life (magazine), Logarithm, Logluv TIFF, Lossy compression, ..., Luminance, Luminance HDR, Luminosity, MagicRaw, Max Planck Institute for Informatics, Microsoft, Mobile device, Nik Software, Nikon D7200, Nikon D810, Oloneo PhotoEngine, OpenEXR, Oversampled binary image sensor, Panasonic Lumix DC-GH5, Pentax K-7, Photo manipulation, Photo-essay, Photographic emulsion, Photography, Photomatix Pro, Photometry (optics), Power law, PTGui, Radiance, Raw image format, Reversal film, RGBE image format, ScRGB, SilverFast, Smartphone, Steve Mann, Technion – Israel Institute of Technology, Tone mapping, Transfer function, Ultra-high-definition television, Universal Windows Platform, Visual system, W. Eugene Smith, Wide dynamic range, Windows 10, Zone System. Expand index (41 more) »

Adaptation (eye)

In ocular physiology, adaptation is the ability of the eye to adjust to various levels of light.

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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 Systems

Adobe Systems Incorporated, commonly known as Adobe, is an American multinational computer software company.

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Albert Schweitzer

Albert Schweitzer, OM (14 January 1875 – 4 September 1965) was a French-German theologian, organist, writer, humanitarian, philosopher, and physician.

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Ansel Adams

Ansel Easton Adams (February 20, 1902 – April 22, 1984) was an American photographer and environmentalist.

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Aperture

In optics, an aperture is a hole or an opening through which light travels.

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Aurora HDR

Aurora HDR is photographic software developed by Macphun Software for Mac OS X. MacPhun changed its name to Skylum in early 2018.

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Autobracketing

Autobracketing is a feature of some more advanced cameras, whether film or digital cameras, particularly single-lens reflex cameras, where the camera will take several successive shots (often three) with slightly different settings.

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Bracketing

In photography, bracketing is the general technique of taking several shots of the same subject using different camera settings.

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Canon EOS 40D

The Canon EOS 40D is a 10.1-megapixel semi-professional digital single-lens reflex camera.

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Canon EOS-1D Mark II

The EOS 1D Mark II is a professional 8.2 megapixel digital single lens reflex camera (DSLR) camera body produced by Canon.

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Canon PowerShot G

The Canon PowerShot G is a series of digital cameras released by Canon.

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Canon PowerShot G7 X

The Canon PowerShot G7 X is a digital compact camera announced by Canon Inc. on September 15, 2014.

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Canon PowerShot S100

The Canon PowerShot S100 is a high-end 12.1-megapixel compact digital camera announced and released in 2011.

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Canon PowerShot S95

The Canon PowerShot S95 is a high-end 10.0-megapixel compact digital camera announced and released in 2010.

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Channel (digital image)

Color digital images are made of pixels, and pixels are made of combinations of primary colors represented by a series of code.

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Charge-coupled device

A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.

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Charles Wyckoff

Charles Wales Wyckoff (1916 – May 9, 1998) was an American photographic innovator, a photochemist specializing in high speed photography, also noted today for his innovations in the field of high dynamic range imaging.

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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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Color calibration

The aim of color calibration is to measure and/or adjust the color response of a device (input or output) to a known state.

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Color depth

Color depth or colour depth (see spelling differences), also known as bit depth, is either the number of bits used to indicate the color of a single pixel, in a bitmapped image or video frame buffer, or the number of bits used for each color component of a single pixel.

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Comparison of graphics file formats

This is a comparison of image file formats.

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Depth of field

In optics, particularly as it relates to film and photography, the optical phenomenon known as depth of field (DOF), is the distance about the Plane of Focus (POF) where objects appear acceptably sharp in an image.

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Digital image

A digital image is a numeric representation, normally binary, of a two-dimensional image.

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Digital imaging

Digital imaging or digital image acquisition is the creation of a digitally encoded representation of the visual characteristics of an object, such as a physical scene or the interior structure of an object.

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Display contrast

Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.). Contrast in physics is a quantity intended to correlate with the perceived brightness contrast, usually defined by one of a number of formulae (see below) which involve e.g. the luminances of the stimuli considered, for example: ΔL/L near the luminance threshold (known as Weber contrast), or LH/LL for much higher luminances.

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Dodging and burning

Dodging and burning are terms used in photography for a technique used during the printing process to manipulate the exposure of a selected area(s) on a photographic print, deviating from the rest of the image's exposure.

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DxO

DxO is a French company dedicated to photography, founded in 2006, it is located in Boulogne-Billancourt.

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Dynamic Photo HDR

Dynamic Photo HDR is a photography software developed by Mediachance for Microsoft Windows, designed to create and tone map high dynamic range photos by combining multiple JPG or RAW camera images taken using multiple exposures.

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EasyHDR

EasyHDR is photographic software developed by Bartłomiej Okonek for macOS and Microsoft Windows since February 2006.

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EG&G

EG&G, formally known as Edgerton, Germeshausen, and Grier, Inc., was a United States national defense contractor and provider of management and technical services.

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Exposure (photography)

In photography, exposure is the amount of light per unit area (the image plane illuminance times the exposure time) reaching a photographic film or electronic image sensor, as determined by shutter speed, lens aperture and scene luminance.

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Exposure value

In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same EV (for any fixed scene luminance).

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Fixed-point arithmetic

In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point (after the decimal point '.' in English decimal notation).

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Floating-point arithmetic

In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.

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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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Gustave Le Gray

Jean-Baptiste Gustave Le Gray (30 August, 1820 – 30 July, 1884)Le Corre, Florence.

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Half-precision floating-point format

In computing, half precision is a binary floating-point computer number format that occupies 16 bits (two bytes in modern computers) in computer memory.

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HDR PhotoStudio

HDR PhotoStudio is a discontinued high dynamic range (HDR) graphics application developed by Unified Color for Windows and macOS operating systems.

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High dynamic range

High dynamic range (HDR) is a dynamic range higher than what is considered to be standard dynamic range.

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High-dynamic-range rendering

High-dynamic-range rendering (HDRR or HDR rendering), also known as high-dynamic-range lighting, is the rendering of computer graphics scenes by using lighting calculations done in high dynamic range (HDR).

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High-dynamic-range video

High-dynamic-range video (HDR video) describes video having a dynamic range greater than that of standard-dynamic-range video (SDR video), which uses a conventional gamma curve.

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Iris (anatomy)

In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

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J. Paul Getty Museum

The J. Paul Getty Museum, commonly referred to as the Getty, is an art museum in California housed on two campuses: the Getty Center and Getty Villa.

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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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JPEG XT

JPEG XT (ISO/IEC 18477) is an image compression standard which specifies backward-compatible extensions of the base JPEG standard (ISO/IEC 10918-1 and ITU Rec. T.81).

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Life (magazine)

Life was an American magazine that ran regularly from 1883 to 1972 and again from 1978 to 2000.

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Logarithm

In mathematics, the logarithm is the inverse function to exponentiation.

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Logluv TIFF

Logluv TIFF is an encoding used for storing high dynamic range imaging data inside a TIFF image.

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Lossy compression

In information technology, lossy compression or irreversible compression is the class of data encoding methods that uses inexact approximations and partial data discarding to represent the content.

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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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Luminance HDR

Luminance HDR, formerly Qtpfsgui, is graphics software used for the creation and manipulation of high-dynamic-range images.

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Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

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MagicRaw

MagicRaw was a camera raw image format and HDR (High Dynamic Range) digital imaging software processor designed to make the process of merging multiple photographs into high dynamic range images and convert raw files into displayable images.

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Max Planck Institute for Informatics

The Max Planck Institute for Informatics (German: Max-Planck-Institut für Informatik, abbreviated MPI-INF or MPII) is a research institute in computer science with a focus on algorithms and their applications in a broad sense.

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Microsoft

Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Mobile device

A mobile device (or handheld computer) is a computing device small enough to hold and operate in the hand.

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Nik Software

Nik Software is a software development company established in 1995 and based in San Diego, California.

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Nikon D7200

The Nikon D7200 is a 24-megapixel APS-C digital single-lens reflex camera announced by Nikon on March 2, 2015.

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Nikon D810

The Nikon D810 is a 36.3-megapixel professional-grade full-frame digital single-lens reflex camera produced by Nikon.

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Oloneo PhotoEngine

Oloneo PhotoEngine is a popular digital image editing software application developed by Paris-based Oloneo SAS.

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OpenEXR

OpenEXR is a high dynamic range raster file format, released as an open standard along with a set of software tools created by Industrial Light and Magic (ILM), under a free software license similar to the BSD license.

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Oversampled binary image sensor

An oversampled binary image sensor is an image sensor with non-linear response capabilities reminiscent of traditional photographic film.

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Panasonic Lumix DC-GH5

The Panasonic Lumix DC-GH5 is a Micro Four Thirds mirrorless interchangeable lens camera body announced by Panasonic on 4 January 2017.

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Pentax K-7

The Pentax K-7 is a 14.6-megapixel digital single-lens reflex camera, announced on 20 May 2009.

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Photo manipulation

Photo manipulation involves transforming or altering a photograph using various methods and techniques to achieve desired results.

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Photo-essay

A photo-essay is a set or series of photographs that are made to create series of emotions in the viewer.

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Photographic emulsion

Photographic emulsion is a light-sensitive colloid used in film-based photography.

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Photography

Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.

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Photomatix Pro

Photomatix Pro is raster image post-processor developed by HDRsoft for merging multiple photographs into high dynamic range images and then locally tone mapping them.

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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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Power law

In statistics, a power law is a functional relationship between two quantities, where a relative change in one quantity results in a proportional relative change in the other quantity, independent of the initial size of those quantities: one quantity varies as a power of another.

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PTGui

PTGui is a panorama photo stitching program for Windows and Mac OS X developed by New House Internet Services BV.

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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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Raw image format

A camera raw image file contains minimally processed data from the image sensor of either a digital camera, image scanner, or motion picture film scanner.

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Reversal film

In photography, reversal film is a type of photographic film that produces a positive image on a transparent base.

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RGBE image format

RGBE or Radiance HDR is an image format invented by Gregory Ward Larson for the Radiance rendering system.

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ScRGB

scRGB is a wide color gamut RGB (Red Green Blue) color space created by Microsoft and HP that uses the same color primaries and white/black points as the sRGB color space but allows coordinates below zero and greater than one.

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SilverFast

SilverFast is the name of a family of software for image scanning and processing, including photos, documents and slides, developed by LaserSoft Imaging.

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Smartphone

A smartphone is a handheld personal computer with a mobile operating system and an integrated mobile broadband cellular network connection for voice, SMS, and Internet data communication; most, if not all, smartphones also support Wi-Fi.

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Steve Mann

Steven Mann (born 1962) is a Canadian researcher and inventor best known for his work on augmented reality, computational photography, particularly wearable computing and high dynamic range imaging.

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Technion – Israel Institute of Technology

The Technion – Israel Institute of Technology (הטכניון – מכון טכנולוגי לישראל Ha-Tekhniyon — Makhon Tekhnologi le-Yisrael) is a public research university in Haifa, Israel.

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Tone mapping

Tone mapping is a technique used in image processing and computer graphics to map one set of colors to another to approximate the appearance of high-dynamic-range images in a medium that has a more limited dynamic range.

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Transfer function

In engineering, a transfer function (also known as system function or network function) of an electronic or control system component is a mathematical function giving the corresponding output value for each possible value of the input to the device.

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Ultra-high-definition television

Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats that were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU).

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Universal Windows Platform

Universal Windows Platform (UWP) is an API created by Microsoft and first introduced in Windows 10.

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Visual system

The visual system is the part of the central nervous system which gives organisms the ability to process visual detail, as well as enabling the formation of several non-image photo response functions.

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W. Eugene Smith

William Eugene Smith (December 30, 1918 – October 15, 1978) was an American photojournalist, who has been described as "perhaps the single most important American photographer in the development of the editorial photo essay." His major photo essays include World War II photographs, the dedication of an American country doctor and a nurse midwife, the clinic of Dr Schweitzer in French Equatorial Africa, the city of Pittsburgh, and the pollution which damaged the health of the residents of Minamata in Japan.

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Wide dynamic range

Wide Dynamic Range (WDR) is a term used in the surveillance camera industry to refer to High Dynamic Range Imaging.

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Windows 10

Windows 10 (codenamed Redstone, formerly Threshold) is a personal computer operating system developed and released by Microsoft, as part of the Windows NT family of operating systems.

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Zone System

The Zone System is a photographic technique for determining optimal film exposure and development, formulated by Ansel Adams and Fred Archer.

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Redirects here:

HDR image, HDR imaging, HDR photo, HDR photography, HDRI, Hdr images, Hdr photos, Hdri, High Dynamic Range, High Dynamic Range Imaging, High dynamic range image, High dynamic range imaging, High dynamic-range imaging, High-dynamic-range images.

References

[1] https://en.wikipedia.org/wiki/High-dynamic-range_imaging

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