Photosynth Ian Dreher
What is Photosynth? <ul><li>Microsoft Live Labs </li></ul><ul><li>Analyzes digital photographs and generates 3D model (pho...
Capabilities <ul><li>Walk or Fly (Virtual tour) </li></ul><ul><li>Zoom (Seadragon) </li></ul><ul><li>Viewing Angles  </li>...
Process <ul><li>Analyzes multiple photographs </li></ul><ul><li>Interest point detection </li></ul><ul><li>Bundle adjustme...
Digital Pictures From Morse Hall Office Morse Hall Office  Photosynth  Viewer
Problems  <ul><li>Problem: Going around corners (Buildings) </li></ul><ul><li>Solution: Take picture every 15 degree chang...
Nice and Synthy <ul><li>Hawaii  Photosynth </li></ul>
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Photosynth PPT

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Photosynth Powerpoint

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Photosynth PPT

  1. 1. Photosynth Ian Dreher
  2. 2. What is Photosynth? <ul><li>Microsoft Live Labs </li></ul><ul><li>Analyzes digital photographs and generates 3D model (photos, point cloud) </li></ul><ul><li>Point cloud? (common points between images) </li></ul>
  3. 3. Capabilities <ul><li>Walk or Fly (Virtual tour) </li></ul><ul><li>Zoom (Seadragon) </li></ul><ul><li>Viewing Angles </li></ul><ul><li>See where photos were taken (geotag) </li></ul>
  4. 4. Process <ul><li>Analyzes multiple photographs </li></ul><ul><li>Interest point detection </li></ul><ul><li>Bundle adjustment (angle, distance, 3D position) </li></ul>
  5. 5. Digital Pictures From Morse Hall Office Morse Hall Office Photosynth Viewer
  6. 6. Problems <ul><li>Problem: Going around corners (Buildings) </li></ul><ul><li>Solution: Take picture every 15 degree change </li></ul><ul><li>Problem: Exact Replication (Morse Hall) </li></ul><ul><li>Solution: Take pictures from wider angles </li></ul>West Facing Entrance East Facing Entrance
  7. 7. Nice and Synthy <ul><li>Hawaii Photosynth </li></ul>
  8. 8. Thank You For Listening

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