@conference{silveira:sbsr2011,
author = "Marcelo Teixeira Silveira and Jorge Luis Nunes e Silva Brito and Raul Queiroz Feitosa and Rafael Alves Aguiar and Irving da Silva Badolato",
abstract = "This  paper  presents  the  improvement  and  integration  of  Stereoplotter  and  Digital  Elevation  Model Generation  (DEM)  modules  from  E-FOTO  project,  which  are  responsible  for the  3D  reconstruction  part  in  the photogrammetric process. The Stereoplotter module was developed aiming at digitizing 3D cartographic features from aerial stereopairs.  In  this module,  the student can create, edit and save points,  lines or polygons which will be  used  later  in  DEM  module  as  break-lines.  Some  significant  improvements  were  made  in  this  module,  like 
directly  image  zooming,  maximizing  the  screen  and  the  possibility  of  editing  end  fixing  points.  Moreover, several  bugs  were  found  and  fixed.  The  DEM  module  was  designed  to  generate  the  digital  terrain  model  or digital  surface  model  which  can  be  performed  by  measuring  points  in  a user  pre-defined  GRID  or  by  the interpolation of 3D points measured previously in the tereoplotter module. An additional image showing the 3D extracting  results  was  added,  therefore  no  3D  viewing  engine  was  developed.  Nevertheless,  the  results  of  3D extraction  can  be  exported  to  Octagon  or Matlab  for  3D  viewing.  In  order  to  analyze  the accuracy  of  E-FOTO 3D  measuring,  we performed  a  comparison  between  two  sets  of  3D  points generated  from  2D  corresponding
points  from  E-FOTO  and  from  Erdas  LPS 9.3.  The  results  shown,  at  99%  of  confidence  level,  that  are  no significant differences between both software platforms.",
address = "Curitiba, PR",
booktitle = " Anais do XV Simp{\'o}sio Brasileiro de Sensoriamento Remoto (Simp{\'o}sio Brasileiro de Sensoriamento Remoto)",
editor = "Jos{\'e} Carlos Neves Epiphanio, L{\^e}nio Soares Galv{\~a}o",
isbn = "978-85-17-00057-7",
month = "maio",
organization = "Instituto Nacional de Pesquisas Espaciais",
pages = "2422-2429",
publisher = "Instituto Nacional de Pesquisas Espaciais (INPE) ,  S{\~a}o Jos{\'e} dos Campos , SP",
title = "{A} integra{\c{c}}{\~a}o dos {M}{\'o}dulos de {G}era{\c{c}}{\~a}o do {M}odelo {D}igital de {E}leva{\c{c}}{\~o}es e de {R}estitui{\c{c}}{\~a}o {D}igital no {P}rojeto {E}-{F}oto",
url = "http://www.dsr.inpe.br/sbsr2011/files/p0460.pdf",
year = "2011",
}