3D  Stereoscopy                     by Davide                             MarcoMantovani                           Porcaro...
Terms and Concepts
Binocular Vision                  /bɪˈnɒkjʊlə ˈvɪʒ(ə)n/noun     Vision using two eyes with overlapping     fields of view,...
Stereoscopic                      /ˌstɛrɪə(ʊ)ˈskɒpɪk/adjective     Relating to or denoting a process by which     two phot...
Sir Charles Wheatstone  Stereoscope (1838)
Sir Charles Wheatstone  Stereoscope (1838)
Stereo baseThe physical distance between theobjectives of the two cameras.
Binocular Vision
Stereoscopy          Binocular Vision
the outcome isThe stereoscopy is and must be the simulationof the human binocular vision to lead to aconvincing effect of ...
The Starting Point
How it works
How we workHow it works
How we workHow it works
Terms and Concepts       take 2
Convergence      /kənˈvərjəns/Definition of Convergeverb  Things that come together from different  directions so as event...
Convergence   /kənˈvərjəns/
Convergence                 /kənˈvərjəns/ No convergence means (generally) no 3D effect
Binocular fusion
Binocular fusionWhat our              L             Reyes seeWhat our                   fusionbrain does
Binocular fusion
Binocular fusion  The background is completely overlapped
Binocular fusion                                            This means that                                               ...
Binocular fusion                                        This means that                                                   ...
Binocular fusion and Parallax                                screen                                 Top view
Binocular fusion and ParallaxPositivespace                                screenNegativespace                             ...
Parallax         /parəlaks/noun  The effect whereby the position or  direction of an object appears to differ  when viewed...
Our 3D solution- (Almost) Zero budget- Easy to build- Materials are easy to find
How it works- The distance between the two objectives isvirtually equal to 6,5 cm (2.5 inches), similarto the distance bet...
Materials (and costs)-   N°1 40x20cm wooden board (2€)-   N°2 20x20cm wooden boards (2€)-   N°2 mirrors (free samples)-   ...
Why you should use it- With a cheap system like our 3D rig, youcould use two reflex cameras (and all theirquality) to shoo...
Side-by-side tests
Early tests using mirrors
The project
Left and right photos
Finished rig
Thanks
M&L 2012 - 3D - by Mantovani, Porcaro
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M&L 2012 - 3D - by Mantovani, Porcaro

  1. 1. 3D Stereoscopy by Davide MarcoMantovani Porcaro 14-15 November 2012 Flemish Ministry of Education HQ, Brussels
  2. 2. Terms and Concepts
  3. 3. Binocular Vision /bɪˈnɒkjʊlə ˈvɪʒ(ə)n/noun Vision using two eyes with overlapping fields of view, allowing good perception of depth.Definition: Oxford Dictionaries
  4. 4. Stereoscopic /ˌstɛrɪə(ʊ)ˈskɒpɪk/adjective Relating to or denoting a process by which two photographs of the same object taken at slightly different angles are viewed together, creating an impression of depth and solidity.Definition: Oxford Dictionaries
  5. 5. Sir Charles Wheatstone Stereoscope (1838)
  6. 6. Sir Charles Wheatstone Stereoscope (1838)
  7. 7. Stereo baseThe physical distance between theobjectives of the two cameras.
  8. 8. Binocular Vision
  9. 9. Stereoscopy Binocular Vision
  10. 10. the outcome isThe stereoscopy is and must be the simulationof the human binocular vision to lead to aconvincing effect of depth.
  11. 11. The Starting Point
  12. 12. How it works
  13. 13. How we workHow it works
  14. 14. How we workHow it works
  15. 15. Terms and Concepts take 2
  16. 16. Convergence /kənˈvərjəns/Definition of Convergeverb Things that come together from different directions so as eventually to meet. Definition: Oxford Dictionaries
  17. 17. Convergence /kənˈvərjəns/
  18. 18. Convergence /kənˈvərjəns/ No convergence means (generally) no 3D effect
  19. 19. Binocular fusion
  20. 20. Binocular fusionWhat our L Reyes seeWhat our fusionbrain does
  21. 21. Binocular fusion
  22. 22. Binocular fusion The background is completely overlapped
  23. 23. Binocular fusion This means that screen The background is completely overlapped Top view
  24. 24. Binocular fusion This means that screen Top view The background is not affected by depth effect while the objects seem to pop out the screen.
  25. 25. Binocular fusion and Parallax screen Top view
  26. 26. Binocular fusion and ParallaxPositivespace screenNegativespace Top view
  27. 27. Parallax /parəlaks/noun The effect whereby the position or direction of an object appears to differ when viewed from different positions. Definition: Oxford Dictionaries
  28. 28. Our 3D solution- (Almost) Zero budget- Easy to build- Materials are easy to find
  29. 29. How it works- The distance between the two objectives isvirtually equal to 6,5 cm (2.5 inches), similarto the distance between our eyes.- The convergence can be easily adjusted asdesired.- Dimensions are small when compared withthose of a professional rig.
  30. 30. Materials (and costs)- N°1 40x20cm wooden board (2€)- N°2 20x20cm wooden boards (2€)- N°2 mirrors (free samples)- N°2 supports for the mirrors (7€)- N°2 wooden supports for the cameras (free)- screws and various components (2€)Total cost: less then 15€
  31. 31. Why you should use it- With a cheap system like our 3D rig, youcould use two reflex cameras (and all theirquality) to shoot 3D videos in FullHDresolution.- The convergence can be setted from theinfinite to a really close point (nearly 20 cm),depending on what are you shooting.- You can easily buy the materials and build itusing only a screwdriver.
  32. 32. Side-by-side tests
  33. 33. Early tests using mirrors
  34. 34. The project
  35. 35. Left and right photos
  36. 36. Finished rig
  37. 37. Thanks

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