Editing OpenEXR (section)

{{Short description|Image storage format for the motion picture industry}}
{{Infobox file format
| name          = OpenEXR
| logo          = Openexr logo.svg
| icon          =
| iconcaption   =
| screenshot    =
| caption       =
| extension     = {{mono|.exr}}
| mime          =
| type code     =
| uniform type  = com.ilm.openexr-image<ref>{{cite web |url=https://www.mbsplugins.eu/CGImageSourceSupportedTypes.shtml |title=CGImageSource.SupportedTypes |work=Claris FileMaker MBS Plug-in |publisher=MonkeyBread Software}}</ref>
| conforms to   =
| magic         =
| owner         = [[Industrial Light & Magic]]
| released      = {{Start date and age|1999|df=yes}}
| latest release version = {{wikidata|property|reference|P348}}
| latest release date    = {{start date and age|{{wikidata|qualifier|P348|P577}}}}
| genre         = [[High-dynamic-range imaging]]
| container for =
| contained by  =
| extended from =
| extended to   =
| standard      =
| open          = Yes, [[Modified BSD License]]
| url           = {{Official URL}}
}}
'''OpenEXR''' is a [[high-dynamic-range imaging|high-dynamic range]], multi-channel  [[Raster graphics|raster]] [[file format]], released as an [[open standard]] along with a set of software tools created by [[Industrial Light & Magic]] (ILM), under a [[free software license]] similar to the [[BSD license]].<ref>{{cite web |url=http://www.openexr.com/license.html |title=License |website=openexr.com}}</ref>

It is notable for supporting multiple [[Channel (digital image)|channels]] of potentially different pixel sizes, including 32-bit unsigned integer, 32-bit and 16-bit floating point values, as well as various compression techniques which include [[Lossless data compression|lossless]] and [[Lossy data compression|lossy compression]] algorithms. It also has arbitrary channels and encodes multiple points of view such as left- and right-camera images.<ref name="technical_introduction">{{cite web |url=https://people.computing.clemson.edu/~dhouse/courses/404/papers/EXRTechnicalIntroduction.pdf
  |title=Technical Introduction to OpenEXR
  |first1=Florian |last1=Kainz |first2=Rod |last2=Bogart |first3=Piotr |last3=Stanczyk |first4=Peter |last4=Hillman
  |date=5 November 2013
  |publisher=[[Industrial Light & Magic]]
  |access-date=2025-01-05 }}</ref>