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Interactive Rendering with Real-World Illumination [chapter]

Simon Gibson, Alan Murta
2000 Eurographics  
Recently developed image-based methods are used to capture real-world illumination, and sphere-mapping is used illuminate and render the synthetic objects.  ...  We present a new procedure for approximating shadows cast by the real-world illumination using standard hardwarebased shadow mapping, and a novel image composition algorithm that uses frame-buffer hardware  ...  This research was supported by EPSRC grant number GR/M14531, entitled 'REVEAL: Reconstruction of Virtual Environments with Accurate Lighting'.  ... 
doi:10.1007/978-3-7091-6303-0_33 fatcat:ns7fatxupvfuppdnmib3om34y4

Differential Progressive Path Tracing for High-Quality Previsualization and Relighting in Augmented Reality [chapter]

Peter Kán, Hannes Kaufmann
2013 Lecture Notes in Computer Science  
A real-time previsualization framework is presented, which renders the solution with a low number of samples during interaction and allows for progressive quality improvement.  ...  Our framework utilizes the massive parallel power of modern GPUs to achieve fast rendering with complex global illumination, a depth of field effect, and antialiasing.  ...  We use an Augmented Reality (AR) scenario to allow users to interact with virtual objects inserted into the real world.  ... 
doi:10.1007/978-3-642-41939-3_32 fatcat:ldozqnuqojbcjogiju4x6and5i

Tangible Images: Bridging the Real and Virtual Worlds [chapter]

James A. Ferwerda, Benjamin A. Darling
2013 Lecture Notes in Computer Science  
with complex textures and material properties, and allowing users to interact with and experience these virtual surfaces as if they were real ones.  ...  We then illustrate the system's capabilities for simulating the appearances and behaviors of real-world surfaces.  ...  creation of and interaction w hantoView system that allows tangible interaction with th described above, creating a virtual environment system t e of interacting with real things requires real-time reali  ... 
doi:10.1007/978-3-642-36700-7_2 fatcat:2bnvkraggre5jad62llrsin6gq

Consistent illumination within optical see-through augmented environments

Oliver Bimber, Anselm Grundhöfer, Gordon Wetzstein, Sebastian Knödel
2003 Proceedings of the SIGGRAPH 2003 conference on Sketches & applications in conjunction with the 30th annual conference on Computer graphics and interactive techniques - GRAPH '03  
We use projectors and cameras to capture reflectance information from diffuse real objects and to illuminate them under new synthetic lighting conditions.  ...  We present techniques which create a consistent illumination between real and virtual objects inside an application specific optical see-through display: the Virtual Showcase.  ...  [13] estimate only the diffuse reflectance from a set of photographs with different but controlled real world illumination conditions.  ... 
doi:10.1145/965400.965429 dblp:conf/siggraph/BimberGWK03 fatcat:kfc3otdjyvdlrers5kkozyyvxi

Consistent illumination within optical see-through augmented environments

Oliver Bimber, Anselm Grundhöfer, Gordon Wetzstein, Sebastian Knödel
2003 Proceedings of the SIGGRAPH 2003 conference on Sketches & applications in conjunction with the 30th annual conference on Computer graphics and interactive techniques - GRAPH '03  
We use projectors and cameras to capture reflectance information from diffuse real objects and to illuminate them under new synthetic lighting conditions.  ...  We present techniques which create a consistent illumination between real and virtual objects inside an application specific optical see-through display: the Virtual Showcase.  ...  [13] estimate only the diffuse reflectance from a set of photographs with different but controlled real world illumination conditions.  ... 
doi:10.1145/965425.965429 fatcat:7epe35afhzfwjltcchxuddeqwu

Interactive near-field illumination for photorealistic augmented reality on mobile devices

Kai Rohmer, Wolfgang Buschel, Raimund Dachselt, Thorsten Grosch
2014 2014 IEEE International Symposium on Mixed and Augmented Reality (ISMAR)  
This allows for an interactive illumination of virtual objects with a consistent appearance under both temporally and spatially varying real illumination conditions.  ...  Even a streaming solution from a stationary PC would cause a latency that affects user interactions considerably.  ...  Multiple users should be able to interact in the real world with photorealistic augmentations.  ... 
doi:10.1109/ismar.2014.6948406 dblp:conf/ismar/RohmerBDG14 fatcat:sv2fawnghraihcmnlsml3z6ynm

High-Quality Consistent Illumination in Mobile Augmented Reality by Radiance Convolution on the GPU [chapter]

Peter Kán, Johannes Unterguggenberger, Hannes Kaufmann
2015 Lecture Notes in Computer Science  
This paper presents a practical method for rendering with consistent illumination in AR in two steps.  ...  In the second step, the captured environment map is used to precalculate a set of reflection maps on the mobile GPU which are then used for real-time rendering with consistent illumination.  ...  Illumination Capturing In order to render the virtual objects lit consistently with the real world, real illumination needs to be captured.  ... 
doi:10.1007/978-3-319-27857-5_52 fatcat:soxmkfpvibe6jcvbf4gmaxl2ly

ImpastoR: A realistic surface display system

James A. Ferwerda
2015 Vision Research  
and display of surfaces with complex color, gloss, and textural properties in real-world lighting environments, and allows users to interact with and manipulate these virtual surfaces as naturally as  ...  In this paper we describe our efforts to create a surface display system that produces realistic representations of real-world surfaces.  ...  Illumination modeling Our system models a real-world lighting environment to allow rendered surfaces to appear consistent with real surfaces at the same position in the environment.  ... 
doi:10.1016/j.visres.2014.10.016 pmid:25449157 fatcat:7ygrbcbhurgx5oddw7cresybsq

An experimental exploration of the relationship between subjective impressions of illumination and physical fidelity

Katerina Mania, Andrew Robinson
2005 Computers & graphics  
How real-world impressions of illumination could be simulated in a synthetic scene is still an open research question. r  ...  In particular, a study that compares a real-world task situation to its computer graphics simulation counterpart is presented.  ...  The photometry measurements acquired from the real world space ensured that illumination was simulated as accurately as possible between the real world and the computer graphics rendering.  ... 
doi:10.1016/j.cag.2004.11.007 fatcat:j74bxfrpwreqjnpmolqtgiu73m

A Design of Augmented Reality System based on Real-World Illumination Environment for Edutainment

Yang Shuo, Minho Kim, E-Jung Choi, Seoksoo Kim
2015 Indian Journal of Science and Technology  
In this paper, we designed a tangible edutainment system for synthesizing a render layer which contains real world background illumination information in order to solve virtual object's low natural-looking  ...  However, in the case of edutainment system using augmented reality due to the incongruity of environment light conditions, the virtual objects can't fit to real world environment with natural-looking.  ...  AR allows the user to see the real world with virtual objects superimposed upon or composited with the real world 3 .  ... 
doi:10.17485/ijst/2015/v8i25/80438 fatcat:wngjetc3jzdzna75e34qxivxui

Direct illumination from dynamic area lights with visibility

Greg Nichols, Rajeev Penmatsa, Chris Wyman
2010 Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games - I3D 10  
Figure 1: A simple scene illuminated solely by a large area light source displaying a video; (left) with illumination; (right) visibility only.  ...  Illumination varies in real-time as the video plays, and the complex soft shadows change convincingly as the objects are manipulated.  ...  Introduction Although area light sources are common in the real world, their use in interactive rendering is challenging.  ... 
doi:10.1145/1730804.1730993 dblp:conf/si3d/NicholsPW10 fatcat:odjdkklrlnclbjykhs5hrkzzm4

Realistic Lighting Simulation for Interactive VR Applications [article]

Alexander Löffler, Lukas Marsalek, Hilko Hoffmann, Philipp Slusallek
2011 ICAT-EGVE 2014 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments  
We explain our integration of real-time ray tracing, interactive global illumination, and measured point lights in a VR system, and its combination with classic rasterization techniques.  ...  In this paper, we present a solution for integrating realistic lighting simulation with interactive performance into a single VR application.  ...  Realistic Luminaries To assess the real-world feasibility of a given light design it is necessary to be able to perform the above described simulation with actual light sources that exhibit real-world  ... 
doi:10.2312/egve/jvrc11/001-008 fatcat:ijmkkcfslvh2bhyuuvx22khz7a

Preface and Table of Contents [article]

-
2006 Eurographics State of the Art Reports  
and Real-Time Animation (slides) . . . . . . . . . . . . . . . . . . . . 803 T8.6 Real-time illumination models for interactive virtual inhabitants (slides) . . . . . . . . . . . 811 T8.7 Body Animation  ...  Kniss (University of Utah) Christof Rezk-Salama (University of Siegen) T7.1 741 T8 Real-Time Inhabited Virtual Worlds and Interaction (half day) Vol. 2/749 Organizers: Nadia Magnenat-Thalmann (University  ... 
doi:10.2312/egt.20061057 fatcat:s3cllmmp2bd6rfeopjwa7o53fi

The situated laptop: A tangible interface for computer-based studies of surface appearance

B. Darling, J. Ferwerda
2010 Journal of Vision  
, reflectance and illumination properties can be rendered and displayed with great fidelity.  ...  Under real-world conditions, to understand surface properties, observers often engage in complex behaviors that involve active manipulation and dynamic viewpoint changes.  ...  ) • Lighting with real-world environment maps Illumination maps captured from real environments (Debevec 1998) can be used to light the virtual surface  Object geometry modeled as a rectangle in plane  ... 
doi:10.1167/9.8.324 fatcat:x7yjrhdiencyzmdtzt4odfepge

The Future of Mixed Reality: Issues in Illumination and Shadows

Jaakko Konttinen, Charles E. Hughes, Sumanta N. Pattanaik, Amy E. Henninger
2005 The Journal of Defence Modeling and Simulation: Applications, Methodology, Technology  
The focus of this paper is on the visual aspects of this blending or more specifically on the interactions between the real and virtual in the contexts of proper inter-occlusion, illumination, and inter-shadowing  ...  Purely virtual environments, however, have limitations in that they remove the participant from the physical world with its visual, auditory, and tactile complexities.  ...  Approaches Accurate computation of illumination and shadow of virtual objects in virtual worlds is challenging because of issues of inter-object visibility and complex interaction of light with objects  ... 
doi:10.1177/154851290500200104 fatcat:5r6xab6xgjam3motzwzyundi7q
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