Ramesh Raskar. Immersive planar display using roughly aligned projectors. In Proceedings of Virtual Reality 2000. Home/Search Document Details and Download
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3D Tele-Collaboration Over Internet2 - Towles, Chen, Yang, Kum.. (Correct)
....multicasts the incoming scene data to the rendering machines. The aggregation machine also communicates with the rendering machines to synchronize scene redraw. To create life size imagery and to compensate for projector keystone distortion, we calibrate the projectors using an efficient method [18]. A 2D homography matrix is computed for each projector and incorporated into the rendering pipeline without extra rendering cost. 7 Results and Discussions Because of the system complexity, we implemented and tested each subcomponent (reconstruction, rendering, scene graph) individually. Each ....
R. Raskar. Immersive Planar Displays using Roughly Aligned Projectors. In IEEE VR 2000.
Color Nonuniformity in Projection-Based Displays: Analysis.. - Majumder, Stevens (2003) (1 citation) (Correct)
....one projector. Right: The same luminance surface after edge attenuation. B.1 Luminance Response Measurement 1. Geometric Calibration We need an accurate geometric calibration algorithm for our photometric calibration. Several geometric calibration algorithms have been designed in the past [10] [25], 11] Any geometric calibration algorithm that can define accurately the two warps, TP i and TC#D , can be used for our method. For our implementation, we adopt the technique of [18] and use two cubic nonlinear warps to define TP i and TC#D . These nonlinear warps include the radial ....
Ramesh Raskar, "Immersive planar displays using roughly aligned projectors," in Proceedings of IEEE Virtual Reality, 2000.
PixelFlex: A Reconfigurable Multi-Projector Display System - Yang, Gotz, Hensley.. (2001) (20 citations) (Correct)
....either of two rendering algorithms. Optimized One Pass Algorithm When the display surface is planar and the projector complies with the pinhole camera model, i.e. lens distortions in the projector are minimal, individual projector imagery can be aligned with a 3 3 homography transformation[18]. This transformation is computed for each projector using samples from the projector to display mapping determined during the registration process. This transform corrects the image keystoning caused by o# axis projection. In section 4.3, we define an automatic procedure for finding the optimal ....
R. Raskar. Immersive Planar Display using Roughly Aligned Projectors. In IEEE VR
Design Considerations for a Multi-Projector Display Rendering.. - Gotz (2001) (1 citation) (Correct)
....as a collineation matrix. A collineation matrix maps one two dimensional space into another via an affine transformation. In order to incorporate the collineation matrix into a standard computer graphics pipeline, the matrix is expanded to a 4 4 representation. This technique was used by Raskar [10] to render corrected imagery for roughly aligned The second goal of the geometric registration process is overlap estimation. Overlap regions can be computed by using the collineation matrices determined in the first part of the registration process. We would then like to attenuate pixel intensity ....
Ramesh Raskar. Immersive Planar Display using Roughly Aligned Projectors. In IEEE VR
The Design and Implementation of PixelFlex: A Reconfigurable.. - Gotz (2000) (Correct)
....such a configuration. 6.2 One Pass 3D Viewer The one pass 3D viewer is an OpenGL based application that takes over the entire display and is capable of displaying 3D models with only one pass through the rendering pipeline. The 3D viewer uses the rendering technique described by Raskar [7]. The algorithm requires four points per projector in order to compute the collineation matrices for each projector. During the structured light registration stage of calibration, the system records 100 features arranged in a ten by ten grid. The 3D viewer uses the four corner features from the ....
Ramesh Raskar. Immersive Planar Display using Roughly Aligned Projectors. In IEEE VR 2000, New Brunswich, NJ, USA, March 2000.
Toward a Compelling Sensation of Telepresence.. - Chen, Towles.. (2000) (4 citations) (Correct)
....need to be calibrated. By finding at least four corresponding pixels between the Figure 9: Left: Head mounted optical tracker and separate passively polarized stereo glasses. Right: Circularly polarized stereo projector pair. two projectors, we can evaluate the 3D collineation homography matrix [21] that relates the two images. In practice, we find the image coordinates for each projector that map to the same four points on the corners of the display screen and solve for two collineation matrices. These matrices, # ######## and # ######### , are then used to modify the viewing transformation ....
Ramesh Raskar. Immersive Planar Display using Roughly Aligned Projectors. In IEEE Virtual Reality 2000, March 2000.
Automatic Alignment Of High-Resolution Multi-Projector Displays .. - Chen, Clark (2000) (14 citations) (Correct)
....of an image. One can use the MMX instructions on a Pentium processor to sample multiple pixels at once. Another interesting approach is to leverage the capability of graphics accelerators. Raskar et al. described a method using the texture mapping hardware found on most graphics accelerators [13, 12]. Recently ComView Visual Systems has introduced an ASIC solution that provides both geometric correction and color balancing for multi projector display systems [17] 3.5 Discussion A salient feature of the alignment algorithm just described is that it avoids camera calibration. No human ....
R. Raskar. Immersive planar display using roughly aligned projectors. In IEEE Virtual Reality 2000, March 2000.
Merl -- A Mitsubishi Electric Research Laboratory - Http Www Merl (2004) Self-citation (Raskar) (Correct)
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Raskar, R. 2000. Immersive Planar Display using Roughly Aligned Projectors. IEEE VR 2000
iLamps: Geometrically Aware and Self-Configuring.. - Raskar, van Baar.. (2003) (4 citations) Self-citation (Raskar) (Correct)
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RASKAR, R. 2000. Immersive Planar Display using Roughly Aligned Projectors. In IEEE VR 2000, 27--34.
Mitsubishi Electric Research Laboratories - Http Www Merl (2002) Self-citation (Raskar) (Correct)
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Raskar, R., Immersive planar display using roughly aligned projector. In IEEE Virtual Reality, March 2000.
Mitsubishi Electric Research Laboratories - Http Www Merl (2001) Self-citation (Raskar) (Correct)
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Raskar, R., "Immersive planar display using roughly aligned projector", In IEEE Virtual Reality, March 2000.
Multi-Projectors and Implicit Interaction in.. - Dietz, Raskar.. (2004) Self-citation (Raskar) (Correct)
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Raskar, R., Immersive planar display using roughly aligned projector. In IEEE Virtual Reality, March 2000
A Low-Cost Projector Mosaic with Fast Registration - Raskar, van Baar, Chai (2002) (2 citations) Self-citation (Raskar) (Correct)
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Raskar, R., Immersive planar display using roughly aligned projector. In IEEE Virtual Reality, March 2000.
Mitsubishi Electric Research Laboratories - Http Www Merl (2001) Self-citation (Raskar) (Correct)
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Raskar, R., "Immersive planar display using roughly aligned projector", In IEEE Virtual Reality, March 2000.
Multi-Projectors and Implicit Interaction in.. - Dietz, Raskar.. (2004) Self-citation (Raskar) (Correct)
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Raskar, R., Immersive planar display using roughly aligned projector. In IEEE Virtual Reality, March 2000
Projector-Based Three Dimensional Graphics - Raskar (2002) Self-citation (Raskar) (Correct)
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R. Raskar. Immersive Planar Display using Roughly Aligned Projectors. In IEEE Virtual Reality, New Brunswick, NJ, March 2000. 118
RANSAC-Assisted Display Model Reconstruction for.. - Quirk, Johnson.. (2006) (Correct)
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Ramesh Raskar. Immersive planar display using roughly aligned projectors. In Proceedings of Virtual Reality 2000.
High Resolution Scalable Displays: Manufacturing and Use. - Nicole Bordes Bernard (Correct)
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Raskar, R., (2000): Immersive Planar Display using Roughly Aligned Projectors, IEEE VR 2000 Proceedings, New Brunswick, NJ, 109.
Auto-Calibration of Multi-Projector Display Walls - Raij, Pollefeys (2004) (Correct)
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R. Raskar. Immersive planar display using roughly aligned projector. In Proc. IEEE Virtual Reality, 2000.
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R. Raskar, "Immersive Planar Display using Roughly Aligned Projectors", IEEE Virtual Reality 2000.
Auto-Calibration of Multi-Projector Display Walls - Andrew Raij And (2004) (Correct)
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R. Raskar. Immersive planar display using roughly aligned projector. In Proc. IEEE Virtual Reality, 2000.
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