AXIOM (camera)

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Short description: Series of open-hardware cinema cameras
AXIOM
AXIOM-Alpha-prototype-metalab.jpg
AXIOM Alpha prototype at the Metalab Vienna
Overview
TypeDigital cinema camera
Lens
Lens mountE-mount as standard
F-numbers10+
Sensor/medium
SensorCMV12000
Sensor typeDigital
Sensor size"APS-like"
Sensor makerams Sensors Belgium
Maximum resolution4096×3072 pixel
Storage mediaExternal
Focusing
FocusManual
Flash
FlashExternal
Shutter
Frame rate300 fps (10 bit)
132 fps (12 bit))
ShutterGlobal shutter
General
Dimensions111.76x65.1x73.5mm
Weight319g (ABI:Dev Kit)

AXIOM is an open hardware and free software digital cinema camera family of devices being developed by a DIY community around the apertus° project.[1]

The community’s second generation camera, AXIOM Beta Compact, is presently in development.

History

In 2006 Oscar Spierenburg, a Dutch film director,[2] noticed a discussion taking place on DVInfo.net entitled “3 channel 36 bit 1280 X 720 low $ camera”,[3] inside which Elphel cameras, which are typically used in scientific applications, had been mentioned.

In the same year a discussion thread entitled "High Definition with Elphel model 333 camera"[4] was posted on the DVInfo.net forum, whereupon the forum’s members discussed how best to adapt Elphel open hardware camera devices for use in film production. Sebastian Pichelhofer discovered this thread in 2008 and assisted with the project by developing an Elphel camera internal hard-disk recorder user interface.

By early 2009, and because over the course of three years upwards of 1000 posts had been submitted to this thread, the community realised that it was going to be difficult to maintain a full overview of the project in this way, and consequently a dedicated website was established.[5] All of the decision making and naming/logo design was decided upon by the community.

After having done some contracting work with Elphel, Pichelhofer focused full-time on the project across 2011 and in July 2012 the plan to create an AXIOM camera hardware prototype from scratch, and thereby overcome some of the limitations that were found to be inherent with Elphel hardware at the time (mainly due to Elphel Inc. having shifted the company's core business focus towards development of a panoramic camera solution), was announced at the Libre Software Meeting in Geneva.[6] This prototype became known as AXIOM Alpha and was intended to gather feedback from typical shooting scenarios with a view to incorporating ideas into a future, more modular, kit version of the camera aimed at developers and early adopters (AXIOM Beta I Developer Kit).

Shortly after development on the AXIOM Alpha began, a nonprofit organization was established to provide legal shelter for the community, and an apertus° company was registered by Spierenburg in order to facilitate responsibilities that had been neglected up to this point, e.g. signing contracts with electronic part/service providers, paying for prototype manufacturing etc. Because of his drive and enthusiasm for the project Pichelhofer was elected apertus° Association chairman.

After reading a local hackerspace forum post in May 2013 Herbert Pötzl became aware of the community's efforts and met with Pichelhofer shortly thereafter. Pötzl had an extensive background in electronics engineering and software development and was appointed AXIOM Technical Lead. After Pötzl helped to develop critical aspects of hardware and software the AXIOM Alpha prototype was showcased at the Vienna Hackerlab in March 2014 whilst rough planning for a more modular and powerful camera was well underway.

In 2014, after crowdfunding the research and development through Indiegogo, work began on creating AXIOM Beta – a five printed circuit board stack, FOSS and open-source hardware, digital cinema camera incorporating the ams Sensors Belgium CMV12000 CMOS image sensor.

In recent times, and because existing manufacturers have proved reluctant to open their protocols up to the wider world, user groups have accepted responsibility and contributed to what became known as the ‘DSLR revolution’ first-hand e.g. the Magic Lantern (firmware) community. Magic Lantern is a free and open source software add-on that runs from a camera’s SD/CF card. It added a host of new features to Canon’s DSLRs that weren't included from the factory by Canon. Because the AXIOM Beta concept is essentially the hardware equivalent of the software they originally pioneered, Magic Lantern partnered with the apertus° Association in September 2014.[7] Since then the Magic Lantern community has been involved with various colour science experiments using the camera.

Research on an AXIOM Gamma started in March 2015 after the project was awarded funding from the EU's Horizon2020 programme.

Timeline

Date Model
10/07/2012 Sebastian Pichelhofer announces the project at the Libre Software Meeting in Geneva.[8]
04/09/2012 apertus° receives an "Award of Distinction" by the Ars Electronica in the section "Digital Communities"[9][10]
07/03/2014 Presentation of the proof of concept prototype at Metalab.[11]
10/09/2014 apertus° commences partnership[12] with Magic Lantern (firmware)
24/09/2014 Presentation of the apertus° Open Source Cinema Lab at the MuseumsQuartier Vienna at Artistic Bokeh[13]
08/10/2014 AXIOM Beta development got funded through an Indiegogo crowdfunding campaign.[14]
11/04/2015 AXIOM Beta prototype presented at National Broadcaster Association Show (NAB) in Las Vegas.[15]
26/10/2015 AXIOM Presentation at OSCON, Amsterdam[16]
28/12/2015 AXIOM Presentation at 32C3 (Chaos Communication Congress)[17][18]
06/02/2016 AXIOM Presentation at Transmediale Berlin[19]
11/07/2016 AXIOM was certified as Open Hardware by the OSHWA[20]
04/05/2017 apertus° "Open Technology for Professional Film Production" accepted to Google's Summer of Code[21]
21/06/2017 The AXIOM project gets exhibited at the Museum of Applied Arts, Vienna in the course of the Vienna Biennale – CityFactory: New Work. New Design[22]
27/09/2017 apertus° AXIOM wins Open Minds Open Hardware Awards Vienna at DrupalCon 2017[23]
15/02/2018 Neptec Design Group employ AXIOM Beta DK in case studies for planned upgrades to the Canadian Space Agency Special Purpose Dexterous Manipulator arm Dextre on-board the International Space Station[24]
01/02/2019 Marseille Observatory (LAM - Laboratoire d'Astrophysique de Marseille) announce Curve One[25] - the world's first 20MP, full-frame, curved image sensor. LAM used the AXIOM Beta DK to conduct all research and development.
02/05/2019 apertus° announce AXIOM Micro[26] - a community-built, inexpensive camera PCB with a low-quality sensor devised for hardware and software development purposes.

AXIOM Alpha

AXIOM Alpha was a digital cinema camera proof of concept prototype.[27] Only two units were built in 2013 and the second revision model was presented at the Metalab (a Vienna-based Hackerspace) in spring 2014.[28] The main components included a Zedboard using a Xilinx Zynq-7020[29] System on a chip (SoC) and a 4K Super35mm image sensor designed by the Belgian company CMOSIS (later renamed to ams Sensors Belgium after being acquired by ams [30]).[31]

Technical specifications

The ams Sensors Belgium CMV12000 Super35/APS-C image sensor has a resolution of 4096×3072 pixels, a color depth of 12 bits/pixel and is able to capture at a maximal frame rate of 300 frames/sec in 10-bit mode.[32] It is connected to the ZedBoard over FMC. The Xilinx Zynq Z-7020 combines a Cortex-A9 dual-core with an FPGA. The ZedBoard contains the Zynq Z-7020 and all the necessary interfaces.[33]

Software

The operating system is Linux kernel-based (Arch Linux) and composed entirely of free and open-source software.[34]

AXIOM Beta

Successor of the AXIOM Alpha[35] and the first 4K open hardware camera – the development of which was financed through an Indiegogo crowdfunding campaign that exceeded its funding goal.[36]

AXIOM Beta utilizes the same 4K Super35 image sensor as its predecessor the AXIOM Alpha. The lens mount is a passive e-mount with Canon EF or Nikon F mount adapter.[37] The first prototype of the AXIOM Beta was presented at the National Association of Broadcasters convention in Las Vegas.[38]

Presently there are three enclosure versions for the camera expected:

AXIOM Beta Developer Kit (DK) – apertus° offers AXIOM Beta Developer Kit without an enclosure either in kit form or readily assembled. The AXIOM Beta DK provides easy access to the camera’s printed circuit boards and is aimed at those who want to work on software related development. With this in mind all associated design files, BOMs, and STL files (for CAD or 3D printing components such as a lightweight enclosure), software source code repositories, etc. are made freely available. First AXIOM Beta DK's began shipping in October 2016.

AXIOM Beta Compact (CP) – A more user-friendly version of the camera suited to photo and video production environments is intended to ship with a CNC-milled aluminium enclosure and a web-based GUI (graphical user interface) for controlling camera functions through a Wi-Fi connection. AXIOM Beta CP is in development.

AXIOM Beta Extended (EX) – A Shoulder mounted rig incorporating AXIOM Beta, larger cooling fans, data storage facilities and an on-board PC. At time of writing (November 2017) AXIOM Beta EX is presently in concept phase.

AXIOM Gamma

AXIOM Gamma Prototype

Research into developing the AXIOM Gamma started in March 2015 after the project was awarded Horizon 2020 funding from the European Union.[39] The project was coordinated by the University of Applied Arts Vienna and involved a consortium of European partners including apertus°, af inventions, Antmicro and DENZ.[40] The AXIOM Gamma utilizes a modular hardware concept that allows the camera to be a fully extendible and repairable camera system. Research into the feasibility of AXIOM Gamma ceased in 2015 and many of its features were incorporated into the AXIOM Beta.

See also

References

  1. ↑ Open Source: Eine Revolution mit Lötkolben und Schraubenzieher (German), zeit.de, 2014, http://www.zeit.de/2014/26/open-source-patente-industrie/seite-2, retrieved July 21, 2014 
  2. ↑ "Oscar Spierenburg IMDB". imdb.com. 2017. https://www.imdb.com/name/nm6814696/. 
  3. ↑ "3 channel 36 bit 1280 X 720 low $ camera viper – The Digital Video Information Network". February 18, 2006. Archived from the original on 2017-10-06. https://web.archive.org/web/20171006212612/http://www.dvinfo.net/forum/alternative-imaging-methods/25296-3-channel-36-bit-1280-x-720-low-camera-viper-21.html#post433657. 
  4. ↑ "High Definition with Elphel model 333 camera – The Digital Video Information Network". 2007-07-01. Archived from the original on 2007-07-01. https://web.archive.org/web/20070701143201/http://dvinfo.net/conf/showthread.php?t=63677. 
  5. ↑ apertus° History, apertus.org, 2014, https://apertus.org/history, retrieved July 21, 2014 
  6. ↑ Apertus – The birth of a completely open digital cinema camera, Libre Software Meeting, 2012, http://schedule2012.rmll.info/Apertus-The-birth-of-a-completely-open-digital-cinema-camera?lang=en, retrieved July 21, 2014 
  7. ↑ AXIOM Team Talk – Volume 1, apertus.org, 2015, https://www.apertus.org/axiom-team-talk-video-volume1-article, retrieved January 1, 2015 
  8. ↑ "Apertus – The birth of a completely open digital cinema camera". 2012-07-10. http://schedule2012.rmll.info/Apertus-The-birth-of-a-completely-open-digital-cinema-camera?lang=en. 
  9. ↑ "PRIX ARS" (in en). http://prix2012.aec.at/prixwinner/4928/. 
  10. ↑ "Ars Electronica Archiv" (in en). http://archive.aec.at/prix/#43481. 
  11. ↑ Metaday 65: Building an open source digital cinema camera – Functional Prototype Presentation, Metalab, 2014, https://metalab.at/wiki/Metaday_65, retrieved July 18, 2014 
  12. ↑ "Magic Lantern getting to grips with the AXIOM Beta image sensor | apertus° – open source cinema". https://www.apertus.org/magic-lantern-getting-to-grips-with-axiom-beta-image-sensor-article-feb-2016. 
  13. ↑ Wien, MQW – MuseumsQuartier. "Apertus Axiom – Open Source Cinema Lab". Museumsquartier Wien. https://www.mqw.at/programm//programmdetail/apertus-axiom-open-source-cinema-lab/. 
  14. ↑ "AXIOM Beta: The first open digital cinema camera". 2014-08-10. https://www.indiegogo.com/projects/axiom-beta-the-first-open-digital-cinema-camera#/. 
  15. ↑ "National Broadcaster Association Show". 2015-04-11. http://www.nabshow.com/. 
  16. ↑ "AXIOM Beta at OSCON, Amsterdam | apertus° – open source cinema". https://www.apertus.org/oscon-amsterdam-article-october-2015. 
  17. ↑ "apertus° AXIOM The first Open Source Cinema Camera Schedule – talk recording". https://media.ccc.de/v/32c3-7355-apertus_axiom. 
  18. ↑ "Schedule 32. Chaos Communication Congress". https://events.ccc.de/congress/2015/Fahrplan/events/7355.html. 
  19. ↑ "transmediale – Future Factories". https://transmediale.de/content/future-factories-1. 
  20. ↑ "Open Source Hardware Association Certification Directory". http://certificate.oshwa.org/certification-directory/. 
  21. ↑ "Google Summer of Code" (in en). https://summerofcode.withgoogle.com/organizations/4801281785856000/. 
  22. ↑ "Schlau vernetzt für ein besseres Leben – news.ORF.at ORF" (in de). https://orf.at/v2/stories/2396180/2396134/. 
  23. ↑ "Auszeichnung für innovativste Köpfe Österreichs | APA OTS". https://www.ots.at/presseaussendung/OTS_20170927_OTS0034/auszeichnung-fuer-innovativste-koepfe-oesterreichs-bild. 
  24. ↑ "AXIOM Beta Case Studies" (in en). https://wiki.apertus.org/index.php/AXIOM_Beta/Case_Studies#Neptec. 
  25. ↑ "Curve One" (in en). http://www.curve-one.com/. 
  26. ↑ "AXIOM Micro" (in en). https://wiki.apertus.org/index.php/AXIOM_Micro. 
  27. ↑ Axiom Alpha: Die Open-Hardware-Kamera (German), heise.de, 2014, http://www.heise.de/open/artikel/Axiom-Alpha-Die-Open-Hardware-Kamera-2194752.html, retrieved July 18, 2014 
  28. ↑ Metaday 65: Building an open source digital cinema camera – Functional Prototype Presentation, Metalab, 2014, https://metalab.at/wiki/Metaday_65, retrieved July 18, 2014 
  29. ↑ "Zynq-based Axiom Alpha open 4K cine camera proto debuts in Vienna hackerspace". 2014-03-20. http://forums.xilinx.com/t5/Xcell-Daily-Blog/Zynq-based-Axiom-Alpha-open-4K-cine-camera-proto-debuts-in/ba-p/430066. 
  30. ↑ ams acquires CMOSIS, a leading supplier of high-end area scan and miniature medical image sensors, ams, 2015, http://www.cmosis.com/news/press_releases/ams_acquires_cmosis_a_leading_supplier_of_high-end_area_scan_and_miniature, retrieved October 6, 2017 
  31. ↑ Zynq-based ZedBoard + CMOSIS Super35 Image Sensor + Apertus Engineering = Axiom Open 4K Cinema Camera, Xilinx, 2014, http://forums.xilinx.com/t5/Xcell-Daily-Blog/Zynq-based-ZedBoard-CMOSIS-Super35-Image-Sensor-Apertus/ba-p/398425, retrieved July 19, 2014 
  32. ↑ "Cmosis CMV12000 product page". 2016-01-19. http://www.cmosis.com/products/product_detail/cmv12000. 
  33. ↑ "ZedBoard". http://www.zedboard.org/product/zedboard. 
  34. ↑ "AXIOM Beta/AXIOM Beta Software – apertus° wiki" (in en). https://wiki.apertus.org/index.php?title=AXIOM_Beta_Software. 
  35. ↑ Introducing the apertus° Axiom Beta: the Most Affordable 4K Cinema Camera Yet, NoFilmschool, 2014, http://nofilmschool.com/2014/04/introducing-apertus-axiom-beta-most-affordable-4k-cinema-camera-yet/, retrieved July 18, 2014 
  36. ↑ AXIOM Beta: The first open digital cinema camera, Indiegogo, 2014, https://www.indiegogo.com/projects/axiom-beta-the-first-open-digital-cinema-camera#/, retrieved January 18, 2016 
  37. ↑ A closer look at the world's first open digital cinema camera, opensource.com, 2015, https://opensource.com/life/15/9/axiom-open-source-camera-system, retrieved January 18, 2016 
  38. ↑ The National Association of Broadcasters Show, The National Association of Broadcasters, 2015, http://www.nabshow.com/, retrieved January 18, 2016 
  39. ↑ "European Commission : CORDIS : Projects & Results Service : Apertus° eXtendable Integrated Open Modular Cinema Camera". http://cordis.europa.eu/project/rcn/194334_en.html. 
  40. ↑ "Partners". https://eu.axiom-camera.com/partners/. 

External links



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