handheld augmented reality

Augmented Reality Anywhere and Anytime   


   Social Augmented Reality

   Information Presentation

   Real-Time Self Localization

   Structural Modelling

   AR Graphics

   AR Navigation

   Augmented Reality Games

   Past Projects



   Hybrid SLAM

   Panorama SLAM

   Planar SLAM

   Model-Based Tracking

   Marker-Based Tracking


Software Libraries

   Studierstube ES

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The Handheld Augmented Reality
Project is supported by the
following institutions:



Christian Doppler Forschungsgesellschaft


Graz University of Technology




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Dieter Schmalstieg (director)

Dieter Schmalstieg is full professor of Virtual Reality and Computer Graphics at Graz University of Technology (TUG), Austria, where he directs the "Studierstube" research project on augmented reality. His current research interests are augmented reality, virtual reality, real-time graphics, 3D user interfaces, and ubiquitous computing. He received Dipl.-Ing. (1993), Dr. techn. (1997) and Habilitation (2001) degrees from Vienna University of Technology. He is author and co-author of over 100 reviewed scientific publications, associate editor of IEEE Transactions on Visualization and Computer Graphics, member of the editorial advisory board of computers & graphics, member of the steering committee of the IEEE International Symposium on Mixed and Augmented Reality, chair of the EUROGRAPHICS working group on Virtual Environments, advisor of the K-Plus Competence Center for Virtual Reality and Visualization in Vienna, deputy director of the doctoral college for confluence of graphics and vision at TUG, director of the Christian Doppler Laboratory for Handheld Augmented Reality and member of the Austrian Academy of Science. In 2002, he received the START career award presented by the Austrian Science Fund.



Clemens Arth (deputy director)

Clemens Arth is Deputy Director of the CDL and PhD researcher, who received his MSc and PhD from Graz University of Technology in 2004 and 2008, respectively. In the past he worked mainly in the area of object detection and object recognition. During his PhD, he focused his research on the development of algorithms for DSP-based platforms. In the past, he worked for FREQUENTIS GmbH to build an embedded vehicle detection and tracking system for highways. Recently, he worked for ZYDACRON GmbH as an external developer for interfacing medical devices. Currently, he is employed as a researcher for developing Computer Vision algorithms in the area of Handheld AR, where he is working on the development of object recognition algorithms for handheld devices, as well as on object detection.


Christian Pirchheim (researcher)

Christian Pirchheim graduated in 2006 with a Dipl.-Ing. (MSc) degree from Graz University of Technology, where he studied Technical Mathematics. During his studies he worked for various companies as software developer of graphical user interfaces, databases, and web applications. His master thesis dealt with visual programming of hybrid 2D/3D user interfaces for VR and AR applications applied in the Liverplanner, IPCity and Vidente projects. From 2007 to 2009 he was doing research in the field of multi-display environments based on a projector-camera system approach in the Deskotheque project. Currently, he is employed as research assistant at the Graz University of Technology. As part of his work for the Handheld AR CDL, he is working on real-time mapping and tracking techniques for mobile devices.


Thanh Nguyen (researcher)

Thanh joined Graz University of Technology as a Ph.D. student end of 2011. He received his MSc from University of South Australia (South Australia, Australia) in 2010. He entered academia with specialties in mathematics and moved forward with interests in Machine Learning. Then, his passion and enthusiasm drove him through Computer Vision field with focus in localization and tracking. His goals are to build next generation tracking and modeling technologies for Augmented Reality. His specialties include real-time computer vision with direction to localization, tracking and modeling. Since end of 2013, Thanh became a researcher for Christian Doppler Laboratory for Handheld Augmented Reality. Currently, Thanh has been working on interactive syntactic modeling for AR.


Anil Armagan (researcher)


Mahdi Rad (researcher)


Markus Oberweger (researcher)



Markus Tatzgern (researcher)

Markus Tatzgern received his MSc from Graz University of Technology in 2008. During his studies he worked as software engineer for an EU-funded project, developing a sophisticated software solution for documenting tunnel constructions. As part of his master thesis he created a system for calculating explosion diagrams and presenting these in Augmented Reality. After finishing his studies he joined the IPCity project, working on a portable outdoor AR setup. Currently, he is employed as a research assistant at the Christian Doppler Lab for Handheld Augmented Reality. His research interest lies in information presentation for Augmented Reality, focusing on the challenges of mobile handheld platforms.


Jens Grubert

Jens Grubert is an associated member of the CDL. He received his Bakkalaureus (2008) and Dipl.-Ing. with highest distinction (2009) at Otto-von-Guericke University Magdeburg, Germany where he explored novel techniques for large display interaction and calibration methods for optical see-through head mounted displays. Until 2010 he worked as a research manager at the Virtual Development and Training Center, Fraunhofer Institute for Factory Operation and Automation IFF, Germany, where he focused on industrial long term use of mobile AR. His current research interests include consumer-oriented handheld AR interfaces for information situated in the physical world, wearable display interaction, ad-hoc interaction with multiple mobile displays and Web-technologies for AR.


Christoph Klug (researcher)

Christoph Klug received his MSc from Graz University of Technology in 2012. During his master thesis he focused on real-time speech signal processing and visualization on Android smartphones. In the past, he worked for Maxim-Integrated GmbH as embedded software developer. Currently, he is employed as a research assistant at the Christian Doppler Lab for Handheld Augmented Reality and is working on structure-from-motion systems for large image collections.


Hartmut Seichter (former deputy director)

Hartmut Seichter was a Senior Researcher at the CDL. He holds a degree as Diplomingenieur from Bauhaus University Weimar and a PhD from The University of Hong Kong. Before joining the CDL he worked for four years as a Postdoctoral Research Fellow at the Human Interface Laboratory New Zealand (HIT Lab NZ). His research interests are novel interaction techniques for digital design, affective computing and general topics of HCI, VR and AR. During his time at the HIT Lab NZ Hartmut was in charge for the New Zealand FRST funded projects that involved EU partners such as MARCUS (FP7), Eurasiapac (FP7) and CALLAS (FP6). Furthermore, he was responsible for the HIT Lab NZ involvements with industry partners such as wowwee Home Robotics, Disney / Walden Media and Qtero Pateo. He was furthermore an associate developer for ARToolworks, leading the development of osgART and related projects.
At the CDL for Handheld AR he is responsible for research topics in the area of HCI and is taking care of organizational issues.


Gerhard Reitmayr (affiliated professor)

Gerhard Reitmayr was professor for Augmented Reality at the Graz University of Technology. He received his Dipl.-Ing. (2000) and Dr. techn. (2004) degrees from Vienna University of Technology. He worked as a research associate at the Department of Engineering at the University of Cambridge, UK until May 2009 where he was researcher and principal investigator in industry and EC funded projects. His research interests are the development of augmented reality user interfaces, wearable computing, ubiquitous computing environments and the integration of these. Research directions include computer vision techniques for localisation and tracking and interaction methods.


Raphael Grasset (senior researcher)

Raphaël Grasset is a senior researcher at the Institute for Computer Graphics and Vision (TU-Graz, Austria) and affiliate researcher at the Human Interface Technology Laboratory New Zealand (University of Canterbury, New Zealand). He was previously postdoctorate at the HIT Lab NZ (2004-2007) and completed his Phd in Computer Science at ARTIS (ex-iMAGIS Lab, Université Joseph Fourier, France) in 2004. During his PhD studies, he worked on collaborative augmented reality in tabletop meeting situations. His main research interests include: 3D interaction, computer-human interaction, augmented reality, mixed reality, visualization and CSCW. His research methodology is both bottom-up (build and evaluating technology and interfaces) and top-down (application-driven). He is a fervent adapt of generalizing and developing conceptual model and framework, methods and design guidelines. His work is highly multidisciplinary, he has been involved in large number of academic and industrial projects over the last years. He is authors of more than 60 international publications, supervised more than 50 students in the last 8 years and ISMAR Steering Committee member since 2010.



Jonathan Ventura (senior researcher)

Jonathan Ventura is a senior researcher at the Institute for Computer Graphics and Vision (TU-Graz, Austria). He received the B.S. (2001), M.S. (2005) and Ph.D. (2012) degrees from the University of California, Santa Barbara. He has also worked as a project scientist at UCSB and as an intern at the Adobe Advanced Technology Lab in San Jose, CA. In his doctoral dissertation he developed methods for individual users to visually model and track outdoor buildings with mobile phone hardware. His current research interests include computer vision technologies, user interfaces and application design for wide-area augmented reality.


Daniel Wagner (senior researcher)

Daniel Wagner was a PhD researcher. He received his MSc from Vienna University of Technology and his PhD from Graz University of Technology. During his studies he worked as a contract programmer and joined Reality2, developing VR software. After finishing his Computer Science studies, Daniel was hired as a lead developer by BinaryBee working on high-quality single- and multi-user webgames. Next he worked as a developer for Tisc Media, doing 3D engine development. Recently Daniel was hired as a consultant by Greentube for the development of "Ski Challenge ’05". In 2006 he was an intern at HITLab New Zealand. Daniel currently has a job as a researcher at Graz University of Technology, working on truly mobile Augmented Reality. His current research interests are real-time graphics and massively multi-user augmented reality on mobile devices. He was the head of the Studierstube Handheld AR project and developed the well-known "InvisibleTrain" and "Virtuoso" projects. In October 2007 Daniel finished his PhD thesis on Handheld Augmented Reality.


Alessandro Mulloni (researcher)

Alessandro Mulloni is a PhD student at Graz University of Technology. He completed his bachelors in computer science at the University of Milan, and his masters in computer science at the University of Udine. His studies focused on 3D real-time graphics on handheld devices and on Human-Computer Interaction. During his studies I also worked as a researcher on various projects at the ITIA-CNR in Milan, inside the HCILab in Udine and in the Handheld Augmented Reality group at the Graz University of Technology. In 2009 he was a visiting researcher at HITLabNZ and at HIIT UIX. He is currently working for the Christian Doppler Laboratory for Handheld Augmented Reality.


Lukas Gruber (researcher)

Lukas Gruber received his MSc in 2008 from Graz University of Technology. From 2005 to 2008 he was employed as software engineer at Bongfish Interactive Entertainment, a computer game company located in Graz (Austria). In this period of time he worked on a cross-platform render engine for the snowboard game Stoked Rider and the successor Drop Point Alaska. In 2008 he finished his Diploma Thesis at Bongfish. The work was focused on game render engines supporting a vast number of light sources. Currently, he is employed as research assistant at the Graz University of Technology. His research interests are visual coherent real-time rendering methods for Augmented Reality on handheld devices.


Tobias Langlotz (researcher)

Tobias Langlotz is a PhD student at the Graz University of Technology. He graduated in Media System at the Bauhaus University in Weimar. Beside his studies he worked as a student research assistant in the DFG funded research project "Holographics", STIFT funded "Phoneguide" and as a developer for rendering algorithms at the Dynardo GmbH. He did a research internship at the Integrated Media Environment Lab at Osaka University, Japan and at the HIT Lab New Zealand. He worked on his Diploma Thesis at Bauhaus University of Weimar, exploring new technologies for optical data transfer onto mobiles devices. After his studies he was employed as a developer for new projection technologies at the Vioso GmbH. His research interests include spatial augmented reality as well as large scale authoring for augmented reality on mobile devices. Currently Tobias is involved as a researcher for Christian Doppler Laboratory for Handheld Augmented Reality.


Andreas Hartl (researcher)

Andreas Hartl received his MSc from Graz University of Technology in 2010. In the past he did an internship at PCS GmbH where he worked on web-based information systems. During his studies Andreas investigated the security of DVB pay-tv. At IVM Technical Consultants GmbH he did another internship, testing automotive gateways. As part of his Master's Thesis Andreas created a system for the computer vision based recognition of pharmaceutical pills on mobile phones.


Qi Pan (visiting researcher)

Qi Pan was a PhD student at the University of Cambridge, from where he also obtained his Bachelor's (2006) and Master's (2007) degrees in Electrical and Information Sciences. The main focus of his research is on ProFORMA, a system capable of online 3D reconstruction of textured objects from a single camera. Qi's research interests lie in rapid single object modelling, rapid outdoor modelling and high performance tracking. During his stay as a visiting researcher in the CDL, Qi will be looking at rapid outdoor modelling from panoramic images captured using mobile phones.





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