Surround-screen projection-based virtual reality: the design and implementation of the CAVE
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Continuous shading of curved surfaces
Seminal graphics
A head-mounted three dimensional display
Seminal graphics
ACM SIGGRAPH 2005 Papers
Compensating Indirect Scattering for Immersive and Semi-Immersive Projection Displays
VR '06 Proceedings of the IEEE conference on Virtual Reality
Fast separation of direct and global components of a scene using high frequency illumination
ACM SIGGRAPH 2006 Papers
Radiometric Compensation through Inverse Light Transport
PG '07 Proceedings of the 15th Pacific Conference on Computer Graphics and Applications
Perceptually-based compensation of light pollution in display systems
Proceedings of the ACM SIGGRAPH Symposium on Applied Perception in Graphics and Visualization
Color invariant feature matching for image geometric correction
Proceedings of the 6th International Conference on Computer Vision / Computer Graphics Collaboration Techniques and Applications
| Hi-index | 0.00 |
Catopsys is a low-cost projection system aiming at making mixed reality (virtual, augmented or diminished reality) affordable. It combines a videoprojector, a camera and a convex mirror and works in a non-specific room. This system displays an immersive environment by projecting an image onto the different parts of the room. However, the presence of an uncalibrated projector, heterogeneous materials and light inter-reflections influence the colors of the environment displayed in the room. Radiometric compensation of the projection process enables the system to reduce this problem. In this paper, we present our low-cost immersive projection system and propose a radiometric model and a compensation method which handle the projector response, surface materials and inter-reflections between surfaces. Our method works in two stages. First, the radiometric response of the projection process is evaluated. Then, this radiometric response is used to compensate the projection process in the desired environments.