Cameras

Finding Distance between Cameras in Stereo Vision

Finding Distance between Cameras in Stereo Vision
  1. How far apart should stereo cameras be?
  2. How do you calculate stereo disparity?
  3. How many cameras are used in stereo vision system?

How far apart should stereo cameras be?

For twin-lens cameras or stereo-rigs: a general rule of thumb is for the subject to be at a distance which is 30 times the distance between the lenses. For example, a Fujifilm Finepix Real 3D W3's lenses are 7.5cm apart, so the subject should be around 2.25 metres away.

How do you calculate stereo disparity?

x = xl*z/f or b + xr*z/f y = yl*z/f or yr*z/f This method of determining depth from disparity d is called triangulation.

How many cameras are used in stereo vision system?

Stereovision techniques use two cameras to see the same object. The two cameras are separated by a baseline, the distance for which is assumed to be known accurately. The two cameras simultaneously capture two images.

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