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ARToolKit is an open-source computer tracking library for creation of strong augmented reality applications that overlay virtual imagery on the real world. Currently, it is maintained as an open-source project hosted on GitHub.[1] ARToolKit is a very widely used AR tracking library with over 160,000 downloads on its last public release in 2004.[2][obsolete source]
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In order to create strong augmented reality, it uses video tracking capabilities that calculate the real camera position and orientation relative to square physical markers or natural feature markers in real time. Once the real camera position is known a virtual camera can be positioned at the same point and 3D computer graphics models drawn exactly overlaid on the real marker. So ARToolKit solves two of the key problems in Augmented Reality; viewpoint tracking and virtual object interaction.
ARToolKit was originally developed by Hirokazu Kato of Nara Institute of Science and Technology in 1999[3] and was released by the University of Washington HIT Lab. In 2001 ARToolWorks was incorporated, and v1.0 of the open-source version of ARToolKit was released through the HIT Lab. ARToolKit was one of the first AR SDKs for mobile, seen running first on Symbian in 2005,[4] then iOS with the iPhone 3G in 2008,[5] and finally Android as early as 2010[6] with a professional version by ARToolWorks later in 2011.
ARToolKit was acquired by DAQRI and re-released open-source starting at version 5.2 on May 13, 2015,[7] including all of the features that were previously only available in the professional licensed version. Among these features are mobile support and natural feature tracking.
Ben Vaughan and Phil Lamb, the former CEO and CTO of ARToolworks, created artoolkitX to ensure that the software is developed and maintained and the ARToolKit community continues to be supported. artoolkitX is supported by Realmax Inc, a Chinese AR company that develops AR hardware and software.
Features[edit]
An example of an AR code containing a QR code.
Operating systems[edit]
The current version of ARToolKit supports Microsoft Windows, Mac OS X, Linux, iOS, and Android platforms. Other versions of ARToolKit have also been ported to Symbian, and Windows Phone to support mobile AR applications.
ARToolKit is also available as a plugin for the Unitygame engine for example to align a virtual camera within Unity with a real-world camera relative to a tracked marker target and taking care of communicating with the camera. The plugin supports Unity on OS X, Unity on Windows, Unity on Android, and Unity on iOS.[8]
See also[edit]References[edit]
External links[edit]
Retrieved from 'https://en.wikipedia.org/w/index.php?title=ARToolKit&oldid=916928849'
20 Jan 2017
HoloLens is fascinating in terms of holographic display and in-room localization, but the capability of the front-facing camera (locatable camera) is not fully utilized for potential augmented reality applications.
ARToolKit
Since ARToolKit has served AR/VR for more than 10 years, and it is open-source, it would be nice to have it running on HoloLens. The obstacles towards this goal are quite clear as well:
Luckily, after spending some time on this, I successfully get some pieces of code written, and actually make ARToolKit runs on HoloLens.
The repository is called HoloLensARToolKit on Github.
Demos
The following videos and screenshots are taken with HoloLensARToolKit v0.1.
Samples of HoloLensARToolKit
There are three samples of HoloLensARToolKit, each representing a certain kind of marker that is supported: single marker, cube marker and multi marker.
Minion on the Cube
This video is taken on HoloLens Device Portal, also known as Mixed Reality Capture. You might have noticed that there is still some lag between the video that is captured and update in the rendering.
More Screenshots
Finally
You can access more articles describing the implementation details of HoloLensARToolKit in my blog, simply clicking on the tag:
.
With ARToolKit integrated with HoloLens, many more augmented reality applications are possible. If you are AR/VR developer, you must see what I mean here.
Thanks for reading.
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