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=== 21st century === In February 2001, the Dynamic Ranger technique was demonstrated, using multiple photos with different exposure levels to accomplish high dynamic range similar to the naked eye.<ref>{{Cite web|url=http://www.digitalsecrets.net/secrets/DynamicRanger.html|title = Dynamic Ranger}}</ref> In the early 2000s, several scholarly research efforts used consumer-grade sensors and cameras.<ref>{{cite book|last1=Kang|first1=Sing Bing|author1-link=Sing Bing Kang|last2=Uyttendaele|first2=Matthew|last3=Winder|first3=Simon|last4=Szeliski|first4=Richard|title=ACM SIGGRAPH 2003 Papers |chapter=High dynamic range video |year=2003|isbn=978-1-58113-709-5|at=ch. High dynamic range video (pages 319β325)|doi=10.1145/1201775.882270|s2cid=13946222}}</ref> A few companies such as [[Red Digital Cinema|RED]] and [[Arri]] have been developing digital sensors capable of a higher dynamic range.<ref>{{Cite web|title=RED Digital Cinema | 8K & 5K Professional Cameras|url=https://www.red.com/|url-status=live|archive-url=https://web.archive.org/web/20160727044301/http://www.red.com/|archive-date=27 July 2016|access-date=27 July 2016}}</ref><ref>{{Cite web|title=ARRI | Inspiring your Vision|url=http://www.arridigital.com|url-status=live|archive-url=https://web.archive.org/web/20110908052342/http://www.arridigital.com/|archive-date=8 September 2011|access-date=23 January 2021}}</ref> RED EPIC-X can capture time-sequential HDRx images<ref name=":0">{{Cite web|date=2016-10-12|title=Sony IMX378: Comprehensive Breakdown of the Google Pixel's Sensor and its Features|url=https://www.xda-developers.com/sony-imx378-comprehensive-breakdown-of-the-google-pixels-sensor-and-its-features/|url-status=live|archive-url=https://web.archive.org/web/20190401203436/https://www.xda-developers.com/sony-imx378-comprehensive-breakdown-of-the-google-pixels-sensor-and-its-features/|archive-date=2019-04-01|access-date=2016-10-17|website=xda-developers|language=en-US}}</ref> with a user-selectable 1β3 stops of additional highlight latitude in the "x" channel. The "x" channel can be merged with the normal channel in post production software. The [[Arri Alexa]] camera uses a dual-gain architecture to generate an HDR image from two exposures captured at the same time.<ref name=":1">{{Cite web|title=ARRI Group: ALEXA's Sensor|url=https://www.arri.com/camera/alexa/technology/arri_imaging_technology/alexas_sensor/|url-status=live|archive-url=https://web.archive.org/web/20160801182433/http://www.arri.com/camera/alexa/technology/arri_imaging_technology/alexas_sensor/|archive-date=1 August 2016|access-date=2 July 2016|website=www.arri.com}}</ref> With the advent of low-cost consumer digital cameras, many amateurs began posting tone-mapped HDR [[Time-lapse photography|time-lapse]] videos on the Internet, essentially a sequence of still photographs in quick succession. In 2010, the independent studio Soviet Montage produced an example of HDR video from disparately exposed video streams using a [[beam splitter]] and consumer grade HD video cameras.<ref>{{cite web|title=HDR video accomplished using dual 5D Mark IIs, is exactly what it sounds like|url=https://www.engadget.com/2010/09/09/hdr-video-accomplished-using-dual-5d-mark-iis-is-exactly-what-i/|url-status=live|archive-url=https://web.archive.org/web/20170614065214/https://www.engadget.com/2010/09/09/hdr-video-accomplished-using-dual-5d-mark-iis-is-exactly-what-i/|archive-date=14 June 2017|access-date=29 August 2017|work=Engadget|date=9 September 2010 }}</ref> Similar methods have been described in the academic literature in 2001 and 2007.<ref>{{cite web|title=A Real Time High Dynamic Range Light Probe|url=http://gl.ict.usc.edu/Research/rtlp/|url-status=live|archive-url=https://web.archive.org/web/20160617205759/http://gl.ict.usc.edu/Research/rtlp/|archive-date=17 June 2016|access-date=27 July 2016}}</ref><ref>{{cite journal|last1=McGuire|first1=Morgan|last2=Matusik|first2=Wojciech|last3=Pfister|first3=Hanspeter|last4=Chen|first4=Billy|last5=Hughes|first5=John|last6=Nayar|first6=Shree|year=2007|title=Optical Splitting Trees for High-Precision Monocular Imaging|url=http://nrs.harvard.edu/urn-3:HUL.InstRepos:4101892|url-status=live|journal=IEEE Computer Graphics and Applications|volume=27|issue=2|pages=32β42|doi=10.1109/MCG.2007.45|pmid=17388201|archive-url=https://web.archive.org/web/20210123115720/https://dash.harvard.edu/handle/1/4101892|archive-date=23 January 2021|access-date=14 July 2019|s2cid=3055332}}</ref> In 2005, [[Adobe Systems]] introduced several new features in [[Photoshop CS2]] including ''Merge to HDR'', 32 bit floating point image support, and HDR tone mapping.<ref>{{cite web |url= http://luminous-landscape.com/tutorials/hdr.shtml |archive-url= https://web.archive.org/web/20100102063950/http://luminous-landscape.com/tutorials/hdr.shtml |url-status=dead |archive-date=January 2, 2010 |title=Merge to HDR in Photoshop CS2: A First Look |first=Michael |last=Reichmann |work=The Luminous Landscape |date=2005 |access-date=August 27, 2009}}</ref> On June 30, 2016, [[Microsoft]] added support for the digital compositing of HDR images to [[Windows 10]] using the [[Universal Windows Platform]].<ref>{{cite news |title=Microsoft talks up the advantages of HDR photography and videography in Universal Windows Platform apps |first=Kareem |last=Anderson |work=OnMSFT.com |url= https://www.onmsft.com/news/microsoft-talks-advantages-hdr-photography-videography-universal-windows-platform-apps |date=June 30, 2016 |access-date=June 12, 2020}}</ref>
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