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@InProceedings{HattabTaub:2015:3DMoSc,
               author = "Hattab, Ammar and Taubin, Gabriel",
          affiliation = "School of Engineering, Brown University, Providence, USA and 
                         School of Engineering, Brown University, Providence, USA",
                title = "3D modeling by scanning physical modifications",
            booktitle = "Proceedings...",
                 year = "2015",
               editor = "Papa, Jo{\~a}o Paulo and Sander, Pedro Vieira and Marroquim, 
                         Ricardo Guerra and Farrell, Ryan",
         organization = "Conference on Graphics, Patterns and Images, 28. (SIBGRAPI)",
            publisher = "IEEE Computer Society",
              address = "Los Alamitos",
             keywords = "3D registration, 3D reverse engineering, 3D modeling, tangible 
                         interface, human-computer interaction.",
             abstract = "3D shape design tends to be a long and tedious process, with the 
                         design of a detailed 3D part usually requiring multiple revisions. 
                         Fabricating physical prototypes using low cost 3D fabrication 
                         technologies at intermediate stages of the design process is now a 
                         common practice, which helps the designer discover errors, and to 
                         incrementally refine the design. Most often, implementing the 
                         required changes directly in the computer model, within the 3D 
                         modeling software, is more difficult and time consuming than 
                         modifying the physical model directly using hand cutting, caving 
                         and sculpting tools, power tools, or machine tools. When one of 
                         the two models is modified, the changes need to be transferred to 
                         the other model, a process we refer to as synchronization. Changes 
                         made to the computer model can be transferred to the physical 
                         model by 3d printing a new physical model. In this paper, we 
                         address the problem of synchronizing the computer model to changes 
                         made in the physical model by 3D scanning the modified physical 
                         model, automatically detecting the changes, and updating the 
                         computer model. The proposed process comprises algorithms to: 1) 
                         register each 3D scan with a previous 3D scan and/or with the 3D 
                         representation used by the 3D modeling software; 2) detect the 
                         changes (subtractive and/or additive); and 3) perform the changes 
                         on the 3D computer model.",
  conference-location = "Salvador",
      conference-year = "Aug. 26-29, 2015",
             language = "en",
           targetfile = "PID3771311.pdf",
        urlaccessdate = "2021, Dec. 01"
}


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