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Reconstruction of correct 3-D perception on screens viewed at different distances

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1 Author(s)
Kutka, R. ; Siemens AG, Munich, Germany

A calibration technique for the realistic representation of stereo images is introduced. It guarantees the correct appearance of object distances and sizes irrespective of whether they are imaged on very large or very small screens. If a matching stereo image pair is projected onto several screens of different sizes, the apparent geometry changes from screen to screen. On smaller monitors, all objects seem to be nearer to the spectator and smaller (puppet-theater effect). The paper proves that a global shift between the two stereo frames is necessary and sufficient to reconstruct the 3D geometry exactly. This shift does not depend on image contents but only on the screen size

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Communications, IEEE Transactions on  (Volume:42 ,  Issue: 1 )