Research Article

A Novel Improved Probability-Guided RANSAC Algorithm for Robot 3D Map Building

Algorithm 1

IPG SAC algorithm.
) Parameter setting: input data , ,
  minimum model estimation data size , tolerance threshold ,
  setup Model function , ,
  reset maximum inlier size , ;
() Estimate the maximum iterations ;
() Initialize the probabilities of test points by using a hybrid distribution;
() for   to   do
() ;
() ;
() if  
()  Update probabilities of points in , ;
() else
();
() Update the probabilities of all test points by using (5);
() Update the maximum inlier size. For in , ;
()end if
()Compute the forgetting factor ;
()Compute ;
()Update the probability using DS evidence theory;
()if   and
()    break;
()end if
()if
()   Update with ;
()    ;
()end if
() end for
() for   to   do
();
();
() end for