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Displaying 1-50 out of 72 total
LumiConSense: A Transparent, Flexible, and Scalable Thin-Film Sensor
Found in: IEEE Computer Graphics and Applications
By Alexander Koppelhuber,Oliver Bimber
Issue Date:September 2014
pp. 98-102
The LumiConSense sensor employs a thin luminescent-concentrator film, which allows lensless multifocal imaging and depth estimation at interactive rates.
 
Guest Editors' Introduction: Special Section on the IEEE International Symposium on Mixed and Augmented Reality (ISMAR)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Gudrun Klinker,Tobias Höllerer,Hideo Saito,Oliver Bimber
Issue Date:October 2011
pp. 1353-1354
No summary available.
 
Capturing the World
Found in: Computer
By Oliver Bimber
Issue Date:June 2010
pp. 22-23
Four articles provide different approaches for creating a digital representation of the world. Leading experts from TU Graz, Google, the University of Washington, TU Darmstadt, and Fraunhofer IGD explain what is possible today.
 
Guest Editors' Introduction: Special Section on The International Symposium on Mixed and Augmented Reality (ISMAR)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Mark A. Livingston, Ronald T. Azuma, Oliver Bimber, Hideo Saito
Issue Date:May 2010
pp. 353-354
No summary available.
 
Visual Effects and Beyond
Found in: Computer
By Oliver Bimber
Issue Date:July 2009
pp. 33-34
Visual effects are becoming increasingly realistic, with advancing processing power, computer graphics methods, and display technology.
 
Enabling Mobile Phones To Support Large-Scale Museum Guidance
Found in: IEEE Multimedia
By Erich Bruns, Benjamnin Brombach, Thomas Zeidler, Oliver Bimber
Issue Date:April 2007
pp. 16-25
The authors present a museum guidance system called PhoneGuide that uses widespread camera-equipped mobile phones for on-device object recognition in combination with pervasive tracking. It provides additional location- and object-aware multimedia content ...
 
Superimposing Pictorial Artwork with Projected Imagery
Found in: IEEE Multimedia
By Oliver Bimber, Franz Coriand, Alexander Kleppe, Erich Bruns, Stefanie Zollmann, Tobias Langlotz
Issue Date:January 2005
pp. 16-26
This article presents a novel approach for using pictorial artwork as information displays and shows how to combine almost any kind of computer-generated visual information directly with the painted content.
 
Visual Analytics: Seeking the Unknown
Found in: Computer
By Marc Streit,Oliver Bimber
Issue Date:July 2013
pp. 20-21
Visual analytics is an emerging and fast-developing field that combines the strengths of graphical visualization with the power of analytical reasoning.
 
What's Real About Augmented Reality?
Found in: Computer
By Oliver Bimber
Issue Date:July 2012
pp. 24-25
The evolution of augmented reality over the course of nearly 50 years has finally made it possible to use this technology in our daily lives.
 
PhoneGuide: Adaptive Image Classification for Mobile Museum Guidance
Found in: International Symposium on Ubiquitous Virtual Reality
By Oliver Bimber,Erich Bruns
Issue Date:July 2011
pp. 1-4
This paper summarizes the various components of our mobile museum guidance system PhoneGuide. It explains how practically viable object recognition rates can be achieved under realistic conditions using adaptive image classification.
 
Computational Archaeology: Reviving the Past with Present-Day Tools
Found in: Computer
By Oliver Bimber, Carl K. Chang
Issue Date:July 2011
pp. 30-31
New computational tools support both the discovery and understanding of cultural relics.
 
Localization and Classification through Adaptive Pathway Analysis
Found in: IEEE Pervasive Computing
By Erich Bruns,Oliver Bimber
Issue Date:April 2012
pp. 74-81
Evaluating user-generated spatiotemporal pathway data helps determine both the present and future location of museum visitors. The PhoneGuide adaptive mobile museum guidance system shows how this approach improves classification performance and achieves ac...
 
Closed-Loop Feedback Illumination for Optical Inverse Tone-Mapping in Light Microscopy
Found in: IEEE Transactions on Visualization and Computer Graphics
By Oliver Bimber, Daniel Klöck, Toshiyuki Amano, Anselm Grundhöfer, Daniel Kurz
Issue Date:June 2011
pp. 857-870
In this paper, we show that optical inverse tone-mapping (OITM) in light microscopy can improve the visibility of specimens, both when observed directly through the oculars and when imaged with a camera. In contrast to previous microscopy techniques, we pr...
 
Total Recall
Found in: Computer
By Oliver Bimber
Issue Date:October 2008
pp. 32-33
An overview of the state of the art of brain-computer interfaces gives a sense of the future potential for using BCIs in real-life applications.
   
Mobile Phone-Enabled Museum Guidance with Adaptive Classification
Found in: IEEE Computer Graphics and Applications
By Erich Bruns, Benjamin Brombach, Oliver Bimber
Issue Date:July 2008
pp. 98-102
We present an overview of our adaptive museum guidance system called PhoneGuide. It uses camera-equipped mobile phones for on-device object recognition in ad-hoc sensor networks and provides location and object aware multimedia content to museum visitors.
 
Dynamic Adaptation of Projected Imperceptible Codes
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Anselm Grundhofer, Manja Seeger, Ferry Hantsch, Oliver Bimber
Issue Date:November 2007
pp. 1-10
In this paper we present an innovative adaptive imperceptible pattern projection technique that takes into account parameters of human visual perception. A coded image is temporally integrated into the projected image, which is invisible to the human eye b...
 
Laser Pointer Tracking in Projector-Augmented Architectural Environments
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Daniel Kurz, Ferry Hantsch, Max Grobe, Alexander Schiewe, Oliver Bimber
Issue Date:November 2007
pp. 1-8
We present a system that employs a custom-built pan-tilt-zoom camera for laser pointer tracking in arbitrary real environments. Once placed in a room, it carries out a fully automatic self-registration, registrations of projectors, and sampling of surface ...
 
Radiometric Compensation through Inverse Light Transport
Found in: Computer Graphics and Applications, Pacific Conference on
By Gordon Wetzstein, Oliver Bimber
Issue Date:November 2007
pp. 391-399
Radiometric compensation techniques allow seamless projections onto complex everyday surfaces. Implemented with projector-camera systems they support the presentation of visual content in situations where projection-optimized screens are not available or n...
 
Real-Time Adaptive Radiometric Compensation
Found in: IEEE Transactions on Visualization and Computer Graphics
By Anselm Grundhöfer, Oliver Bimber
Issue Date:January 2008
pp. 97-108
Recent radiometric compensation techniques make it possible to project images onto colored and textured surfaces. This is realized with projector-camera systems by scanning the projection surface on a per-pixel basis. Using the captured information, a comp...
 
Augmenting Holograms
Found in: IEEE Computer Graphics and Applications
By Oliver Bimber
Issue Date:September 2006
pp. 12-17
In parallel to the development of computer graphics, and despite their noninteractivity, advances in optical and digital holography have made possible the creation of new fields including interferometry, copy protection, data storage, holographic optical e...
 
Guest Editor's Introduction: Computational Photography-The Next Big Step
Found in: Computer
By Oliver Bimber
Issue Date:August 2006
pp. 28-29
Computational photography extends digital photography by providing the capability to record much more information and by offering the possibility of processing this information afterward.
 
Multifocal Projection: A Multiprojector Technique for Increasing Focal Depth
Found in: IEEE Transactions on Visualization and Computer Graphics
By Oliver Bimber, Andreas Emmerling
Issue Date:July 2006
pp. 658-667
<p><b>Abstract</b>—In this paper, we describe a novel multifocal projection concept that applies conventional video projectors and camera feedback. Multiple projectors with differently adjusted focal planes, but overlapping image areas ar...
 
Compensating Indirect Scattering for Immersive and Semi-Immersive Projection Displays
Found in: Virtual Reality Conference, IEEE
By Oliver Bimber, Anselm Grundhofer, Thomas Zeidler, Daniel Danch, Pedro Kapakos
Issue Date:March 2006
pp. 151-158
We present a real-time reverse radiosity method for compensating indirect scattering effects that occur with immersive and semi-immersive projection displays. It computes a numerical solution directly on the GPU and is implemented with pixel shading and mu...
 
Enabling View-Dependent Stereoscopic Projection in Real Environments
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Oliver Bimber, Gordon Wetzstein, Andreas Emmerling, Christian Nitschke
Issue Date:October 2005
pp. 14-23
We show how view-dependent image-based and geometric warping, radiometric compensation, and multi-focal projection enable a view-dependent stereoscopic visualization on ordinary (geometrically complex, colored and textured) surfaces within everyday environ...
 
Embedded Entertainment with Smart Projectors
Found in: Computer
By Oliver Bimber, Andreas Emmerling, Thomas Klemmer
Issue Date:January 2005
pp. 48-55
The popularity of today's flat-panel liquid-crystal and plasma TV displays shows that emerging trends favor large-screen displays. Another display type may soon conquer the entertainment market, however: Video projectors have experienced an enormous metamo...
 
Video See-Through AR on Consumer Cell-Phones
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Mathias Möhring, Christian Lessig, Oliver Bimber
Issue Date:November 2004
pp. 252-253
We present a first running video see-through augmented reality system on a consumer cell-phone. It supports the detection and differentiation of different markers, and correct integration of rendered 3D graphics into the live video stream via a weak perspe...
   
Combining Optical Holograms with Interactive Computer Graphics
Found in: Computer
By Oliver Bimber
Issue Date:January 2004
pp. 85-91
<p>Holograms can reconstruct complete optical wavefronts, capturing images that have a three-dimensional appearance and can be observed from different perspectives. Museum exhibits often use optical hologram technology because it permits presentation...
 
Consistent Illumination within Optical See-Through Augmented Environments
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Oliver Bimber, Anselm Grundhöfer, Gordon Wetzstein, Sebastian Knödel
Issue Date:October 2003
pp. 198
We present techniques which create a consistent illumination between real and virtual objects inside an application specific optical see-through display: the Virtual Showcase. We use projectors and cameras to capture reflectance information from diffuse re...
 
Occlusion Shadows: Using Projected Light to Generate Realistic Occlusion Effects for View-Dependent Optical See-Through Displays
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Oliver Bimber, Bernd Fröhlich
Issue Date:October 2002
pp. 186
This paper presents projector-based illumination techniques for creating correct occlusion effects for optical see-through setups. We project view-dependent occlusion shadows onto the real surfaces that are located behind virtual objects. This results in a...
 
Merging Fossil Specimens with Computer-Generated Information
Found in: Computer
By Oliver Bimber, Stephen M. Gatesy, Lawrence M. Witmer, Ramesh Raskar, L. Miguel Encarnação
Issue Date:September 2002
pp. 25-30
<p>While dinosaur fossils reveal much, they keep us guessing about the original organisms' color, sound, and behavior. For several years, modern paleontologists have used 3D computer graphics to help reconstruct these pieces of the past. Augmented re...
 
The Virtual Showcase
Found in: IEEE Computer Graphics and Applications
By Oliver Bimber, Bernd Fröhlich, Dieter Schmalstieg, L. Miguel Encarnação
Issue Date:November 2001
pp. 48-55
<p>The Virtual Showcase is a new augmented reality display device that has the same form factor as a real showcase traditionally used for museum exhibits. The Virtual Showcase consists of two main parts: the actual showcase covered with half-silvered...
 
Walk-up VR: Virtual Reality beyond Projection Screens
Found in: IEEE Computer Graphics and Applications
By L. Miguel Encarnação, Robert J. Barton, Oliver Bimber, Dieter Schmalstieg
Issue Date:November 2000
pp. 19-23
No summary available.
 
Real Mirrors Reflecting Virtual Worlds
Found in: Virtual Reality Conference, IEEE
By Oliver Bimber, L. Miguel Encarnação, Dieter Schmalstieg
Issue Date:March 2000
pp. 21
This paper introduces the idea of using real mirrors in combination with rear-projection systems for the purpose of interacting with and navigating through the displayed information. Subsequently a derived application is described. For this, we use a hand-...
 
Thinking Virtual
Found in: Computer
By Oliver Bimber
Issue Date:July 2014
pp. 22-23
Although virtual reality (VR) technology has not delivered on some of the futuristic promises imagined at its genesis, recent VR advances provide strong support for psychobiological therapies and improved communications.
   
Occlusion Shadows: Using Projected Light to Generate Ralistic Occlusion Effects for View-Dependent Optical See-Through Approaches
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Oliver Bimber, Bernd Fröhlich
Issue Date:October 2002
pp. 319
No summary available.
   
Coded exposure HDR light-field video recording
Found in: ACM SIGGRAPH 2013 Talks (SIGGRAPH '13)
By Clemens Birklbauer, David C. Schedl, Oliver Bimber
Issue Date:July 2013
pp. 1-1
Capturing exposure sequences for computing high-dynamic range (HDR) images causes motion blur in case of camera movements. This also applies for light-field cameras, such as camera arrays. Images composed from multiple blurred HDR light-field perspectives ...
     
Coded exposure HDR light-field video recording
Found in: ACM SIGGRAPH 2013 Posters (SIGGRAPH '13)
By Clemens Birklbauer, David C. Schedl, Oliver Bimber
Issue Date:July 2013
pp. 1-1
Capturing exposure sequences for computing high-dynamic range (HDR) images causes motion blur in case of camera movements. This also applies for light-field cameras, such as camera arrays. Images composed from multiple blurred HDR light-field perspectives ...
     
Panorama light-field imaging
Found in: ACM SIGGRAPH 2012 Talks (SIGGRAPH '12)
By Clemens Birklbauer, Oliver Bimber
Issue Date:August 2012
pp. 1-1
We present a first approach towards panorama light-field imaging. By converting overlapping sub-light-fields into individual focal stacks, computing a panoramic focal stack from them, and converting the panoramic focal stack back into a panoramic light fie...
     
Light-field supported fast volume rendering
Found in: ACM SIGGRAPH 2012 Posters (SIGGRAPH '12)
By Clemens Birklbauer, Oliver Bimber
Issue Date:August 2012
pp. 1-1
We present a combination of light-field rendering and volume rendering to enable the interactive exploration of large volumetric data sets. We recycle previously rendered images and use the idle times of the volume renderer for filling a cached-managed lig...
     
Panorama light-field imaging
Found in: ACM SIGGRAPH 2012 Posters (SIGGRAPH '12)
By Clemens Birklbauer, Oliver Bimber
Issue Date:August 2012
pp. 1-1
We present a first approach towards panorama light-field imaging. By converting overlapping sub-light-fields into individual focal stacks, computing a panoramic focal stack from them, and converting the panoramic focal stack back into a panoramic light fie...
     
Towards a transparent, flexible, scalable, and disposable image sensor
Found in: ACM SIGGRAPH 2012 Posters (SIGGRAPH '12)
By Alexander Koppelhuber, Darko Lukic, Oliver Bimber
Issue Date:August 2012
pp. 1-1
Conventional optoelectronic techniques have forced image sensors to a planar shape. We present our first attempts towards a transparent, flexible, scalable, and disposable sensor that samples the light-transport of a two-dimensional light-field within a th...
     
Coded aperture projection
Found in: ACM Transactions on Graphics (TOG)
By Anselm Grundhofer, Gordon Wetzstein, Max Grosse, Oliver Bimber
Issue Date:June 2010
pp. 1-12
Coding a projector's aperture plane with adaptive patterns together with inverse filtering allow the depth-of-field of projected imagery to be increased. We present two prototypes and corresponding algorithms for static and programmable apertures. We also ...
     
Adaptive coded aperture projection
Found in: SIGGRAPH '09: Posters (SIGGRAPH '09)
By Anselm Grundhofer, Gordon Wetzstein, Max Grosse, Oliver Bimber
Issue Date:August 2009
pp. 1-1
With adaptive coded aperture projection, we present solutions for taking projectors to the next level. By placing a programmable liquid crystal array at a projectors aperture plane we show how the depth of field (DOF) of a projection can be greatly enhance...
     
Projected light microscopy
Found in: SIGGRAPH 2009: Talks (SIGGRAPH '09)
By Anselm Grundhofer, Daniel Klock, Daniel Kurz, Ferry Hantsch, Oliver Bimber, Sebastian Thiele, Toshiyuki Amano
Issue Date:August 2009
pp. 1-1
In light microscopy (or optical microscopy) visible light is either transmitted through or reflected from the specimen before it is observed or recorded. In its simplest imaging mode, bright field microscopy, the illumination light is modulated in intensit...
     
Adaptive coded aperture projection
Found in: SIGGRAPH 2009: Talks (SIGGRAPH '09)
By Anselm Grundhofer, Gordon Wetzstein, Max Grosse, Oliver Bimber
Issue Date:August 2009
pp. 1-1
With adaptive coded aperture projection, we present solutions for taking projectors to the next level. By placing a programmable liquid crystal array at a projectors aperture plane we show how the depth of field (DOF) of a projection can be greatly enhance...
     
Subobject detection through spatial relationships on mobile phones
Found in: Proceedingsc of the 13th international conference on Intelligent user interfaces (IUI '09)
By Benjamin Brombach, Erich Bruns, Oliver Bimber
Issue Date:February 2009
pp. 653-654
We present a novel image classification technique for detecting multiple objects (called subobjects) in a single image. In addition to image classifiers, we apply spatial relationships among the subobjects to verify and to predict the locations of detected...
     
VirtualStudio2Go: digital video composition for real environments
Found in: ACM Transactions on Graphics (TOG)
By Anselm Grundhofer, Oliver Bimber
Issue Date:December 2008
pp. 1-49
We synchronize film cameras and LED lighting with off-the-shelf video projectors. Radiometric compensation allows displaying keying patterns and other spatial codes on arbitrary real world surfaces. A fast temporal multiplexing of coded projection and flas...
     
Superimposing dynamic range
Found in: ACM Transactions on Graphics (TOG)
By Daisuke Iwai, Oliver Bimber
Issue Date:December 2008
pp. 1-49
We present a simple and cost-efficient way of extending contrast, perceived tonal resolution, and color space of reflective media, such as paper prints, hardcopy photographs, or electronic paper displays. A calibrated projector-camera system is applied for...
     
Phone-to-phone communication for adaptive image classification
Found in: Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia (MoMM '08)
By Erich Bruns, Oliver Bimber
Issue Date:November 2008
pp. 1-21
In this paper, we present a novel technique for adapting local image classifiers that are applied for object recognition on mobile phones through ad-hoc network communication between the devices. By continuously accumulating and exchanging collected user f...
     
Superimposing dynamic range
Found in: ACM SIGGRAPH 2008 new tech demos (SIGGRAPH '08)
By Daisuke Iwai, Oliver Bimber
Issue Date:August 2008
pp. 1-1
Navigator is a circuitous Flash-based CD-Rom with Navigation of environments --- of the one on CD and of the real ones depicted in the work --- as its theme. At the end of each animation sequence --- figurative, abstract and photographic ---, choices need ...
     
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