Frank Dellaert

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Frank Dellaert Powered By Docstoc
					4D Cities
       Frank Dellaert
       Georgia Institute of Technology

       Many collaborators:
       Grant Schindler, Mingxuan Sun,
       Sing Bing Kang

       Supported by NSF, MSR,
       Microsoft RFP
2003
1920
Problem


             3D


            Time
 Images               4D Model
          Inference
4D Cities
 Urban Planning
 Historic Preservation              QuickTime™ an d a
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 Virtual Tourism
 Public Education
 Homeland Security
 Spatio-Temporal models as a new way to
 interact with a vast collection of imagery
 (i.e. 4D Photosynth)
The Challenge !
Hard Problem !
   Inferring Temporal Order


Observation: Buildings are both created and destroyed over time.




                   2D Point Correspondences
       Some Recent Results
with Grant Schindler (GT) and Sing Bing Kang (MSR)




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The Space of Solutions



            4 Solutions




        4 Equivalent Solutions
4D Photo Tourism




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