Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Multi-exposure HDR capture
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
=== 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>
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)