Corridor
Projective Reconstruction Based on Cake Configuration with Panoramic Reference View

In this experiment, an image from a panoramic catadioptric camera was used as reference view. The other seven views were taken using a standard digital photo-camera. The resolution of the catadioptric camera was 1000x1000 pixels and of the photo-camera 1200x1600 pixels.
 
 
 

Reconstruction was done in the following steps:

1. Corresponding points were marked by a mouse.
2. Polygons were marked, each in one image.
3. Projective reconstruction via trifocal tensors in "unclosed" CAKE configurations was done (See Tech. report Urban-TR7-99.ps.gz)
4. Proj. rec. was upgraded to a Euclidean reconstruction by selecting 3D Euclidean coordinates of 5 points.
5. VRML1 model extracted. Texture warped from the marked polygons. Warping is done by affine transformation (supported by VRML) instead of projective one, which is not entirely correct.

Images from the input sequence:
 
 
 

Two views on the reconstructed model:
 
 

References:

• Urban, Martin; Pajdla, Tomas; Hlavac, Vaclav. Projective Reconstruction from Multiple Views. [Urban-TR7-99.ps.gz, PostScript]
• Urban, Martin; Pajdla, Tomas; Hlavac, Vaclav. Projective reconstruction from N views having one view in common. Vision Algorithms workshop (associated with ICCV'99). [.pdf.gz, 3.5 MB]
• Werner, Tomas; Pajdla, Tomas; Urban, Martin. REC3D: Toolbox for 3D Reconstruction from Uncalibrated 2D Views. [tr99-4.ps.gz, PostScript]