Modeling 3D scenes from video

Authors:
Marek Czernuszenko;Daniel Sandin;Andrew Johnson;Thomas Defanti
Affiliations:
Electronic Visualization Laboratory (EVL), University of Illinois at Chicago, 851 S. Morgan St., Chicago, IL 60607, USA e-mail: {marek | dan | aej | tom}@evl.uic.edu, USA;Electronic Visualization Laboratory (EVL), University of Illinois at Chicago, 851 S. Morgan St., Chicago, IL 60607, USA e-mail: {marek | dan | aej | tom}@evl.uic.edu, USA;Electronic Visualization Laboratory (EVL), University of Illinois at Chicago, 851 S. Morgan St., Chicago, IL 60607, USA e-mail: {marek | dan | aej | tom}@evl.uic.edu, USA;Electronic Visualization Laboratory (EVL), University of Illinois at Chicago, 851 S. Morgan St., Chicago, IL 60607, USA e-mail: {marek | dan | aej | tom}@evl.uic.edu, USA
Venue:
The Visual Computer: International Journal of Computer Graphics
Year:
1999

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Modeling three-dimensional scenes from video for virtual environments

Modeling three-dimensional scenes from video for virtual environments

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Abstract

We present a technique to obtain texture mapped models of real scenes with a high degree of automation using only a video camera and an overhead projector. The user makes two passes with a hand-held video camera. For the first pass the scene is under natural illumination, and a structure-frommotion technique recovers coarse scene geometry and textures. For the second pass a grid of lines is projected onto the scene which allows us to acquire dense geometric information. The information from both passes is automatically combined and a final model consisting of the dense geometry of the scene and a properly registered texture is created.