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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: J Vis. 2010 May 1;10(5):13. doi: 10.1167/10.5.13

Figure 16.

Figure 16

Demonstration of the appropriate relationship between blur and 3D layout. Cross fuse. The appropriate viewing distance is 10 picture-widths. In each case, the virtual camera is focused on the red dot. Upper row: The camera's aperture was a pinhole. Middle row: The camera's aperture was 1/12 times the inter-camera separation. Bottom row: The aperture was 1/4 times the camera separation. These stereograms do not recreate the vergence eye position that would correspond to converging on the red dot in the corresponding real scene. One would have to present the images in a stereoscope to recreate the correct vergence. The demonstration works reasonably well nonetheless. (Computer model provided by Norbert Kern.)