Esempio n. 1
0
template <class T> INT get_best_intexe(const ElFifo<T> & fp,bool EnvConv)
{
   if (! fp.circ())
      return 0;

   if (fp.nb() < 4)
      return 0;


   INT delta = EnvConv ? 1 : std::min(5,(fp.nb()-2)/2);
   REAL min_cos = 10.0;
   INT best_index = 0;

   std::vector<INT> aVOk;
   std::vector<INT> aVPrec;
   std::vector<INT> aVSucc;

   for(INT aK=0 ; aK<INT(fp.size()) ; aK++)
   {
       aVOk.push_back(EnvConv ? 0 : 1);
       aVPrec.push_back(aK-delta);
       aVSucc.push_back(aK+delta);
   }
   if (EnvConv)
   {
      ElFilo<Pt2dr> aFLP;
      for(INT aK=0 ; aK<INT(fp.size()) ; aK++)
         aFLP.pushlast(fp[aK]);
      ElFifo<INT> Ind;
      env_conv(Ind,aFLP,true);
      for (INT aK=0 ; aK<Ind.nb() ; aK++)
      {
          aVOk[Ind[aK]] = 1;
          aVPrec[Ind[aK]] = Ind[(aK-1+Ind.nb())%Ind.nb()];
          aVSucc[Ind[aK]] = Ind[(aK+1)%Ind.nb()];
      }
   }

   for (INT k =0 ; k<fp.nb() ; k++)
   {
       if (aVOk[k])
       {
            T u1 = fp[k]-fp[aVPrec[k]];
            T u2 = fp[aVSucc[k]]-fp[k];
            double d1 = euclid(u1);
            double d2 = euclid(u2);
            if (d1 && d2)
            {
               double cosin = scal(u1,u2) / (d1*d2);
               if (cosin < min_cos)
               {
                  min_cos = cosin; 
                  best_index = k;
               }
            }
       }
   }
   return best_index ;
}
Esempio n. 2
0
void approx_poly
     (
        ElFifo<INT> &         res,
        const ElFifo<Pt2di> & fpi,
        ArgAPP                arg
     )
{
    ElFifo<Pt2dr> fpr(fpi.size(),fpi.circ());;

    for (INT aK=0 ; aK<INT(fpi.size()) ; aK++)
        fpr.push_back(Pt2dr(fpi[aK]));

    approx_poly(res,fpr,arg);
}
Esempio n. 3
0
std::vector<int> approx_poly
     (
        const std::vector<Pt2dr> & fp,
	bool                       Circ,
        ArgAPP                arg
     )
{
     ElFifo<INT>  res;
     ElFifo<Pt2dr> aFP(fp,Circ);
     Approx_poly  app(aFP,arg);
     app.pcc_until_stab(res);

     std::vector<int> aRV;
     for (INT aK=0 ; aK< (INT(res.size())-Circ) ; aK++)
         aRV.push_back(res[aK]%INT(fp.size()));
     return aRV;
}
Esempio n. 4
0
template <class TypeIm,class TypeBase> Im2D_Bits<1> CreateGr(tGRGraf & mGr,Im2D<TypeIm,TypeBase> anIm,int aLabelOut,const cParamGrReg & aPGR)
{
    bool V8=true;
    //int aNbV = V8 ? 8 : 4;
    //Pt2di * TabV = V8 ? TAB_8_NEIGH : TAB_4_NEIGH;

    TIm2D<TypeIm,TypeBase> aTIm(anIm);
    Pt2di aSz = anIm.sz();

    Im2D_INT4 aImLabel(aSz.x,aSz.y,-1);
    TIm2D<INT4,INT4> aTL(aImLabel);
    ELISE_COPY(aImLabel.border(1),-2,aImLabel.out());

    Pt2di aP0;
    int aCpt=0;
    ElGrowingSetInd aSV(1000);
    std::vector<tGRSom *> aVSom;
    for (aP0.y=0 ; aP0.y<aSz.y ; aP0.y++)
    {
        for (aP0.x=0 ; aP0.x<aSz.x ; aP0.x++)
        {
             int aLabel = aTIm.get(aP0);
             if ((aTL.get(aP0)==-1) && (aLabel != aLabelOut))
             {
                std::vector<Pt2di> aVPts;
                CompCnx(aVPts,V8,aP0,anIm,aImLabel,INT4(aCpt),&aSV);
                int aNbPts = aVPts.size();
                if (aNbPts >= aPGR.mSzMinInit)
                {
                   cGR_AttrSom anAttr(aP0,aLabel,aCpt,aNbPts);
                 
                   tGRSom &  aSom = mGr.new_som(anAttr);
                   aVSom.push_back(&aSom);

                   for (ElGrowingSetInd::const_iterator itV=aSV.begin(); itV!=aSV.end() ; itV++)
                   {
                        tGRSom * aS2 = aVSom[*itV];
                        if (aS2)
                        {
                            cGR_AttrArc anAA;
                            mGr.add_arc(aSom,*aS2,anAA);
                        }
                   }
                }
                else
                {
                     aVSom.push_back(0);
                }
                aCpt++;
             }
        }
    }

    //std::cout << "BGIN FLAG MONT-DESC\n"; getchar();
    // Calcul des flag montant et descandant 
    int aFlagArcMont = mGr.alloc_flag_arc();
    int aFlagArcDesc = mGr.alloc_flag_arc();
    ElSubGraphe<cGR_AttrSom,cGR_AttrArc> aSubAll;
    for (int aKS=0 ; aKS<int(aVSom.size()) ; aKS++)
    {
        tGRSom * aSom = aVSom[aKS];
        if (aSom)
        {
            tGRSom * aSMax = aSom;
            tGRSom * aSMin = aSom;
            for (tGRSom::TArcIter itA=aSom->begin(aSubAll); itA.go_on(); itA++)
            {
                tGRSom * aS2 = &(itA->s2());
                if (    (aS2->attr().ValR() > aSMax->attr().ValR())
                     || ((aS2->attr().ValR()==aSMax->attr().ValR()) && (aS2->attr().Sz() > aSMax->attr().Sz()))
                   )
                {
                    aSMax = aS2;
                }

                if (    (aS2->attr().ValR() < aSMin->attr().ValR())
                     || ((aS2->attr().ValR()==aSMin->attr().ValR()) && (aS2->attr().Sz() > aSMin->attr().Sz()))
                   )
                {
                    aSMin = aS2;
                }
            }

            if (aSMax != aSom)
               mGr.arc_s1s2(*aSom,*aSMax)->sym_flag_set_kth_true(aFlagArcMont);
            if (aSMin != aSom)
               mGr.arc_s1s2(*aSom,*aSMin)->sym_flag_set_kth_true(aFlagArcDesc);
        }
    }
    // std::cout << "EeenDD  FLAG MONT-DESC\n";

    //  Analyse zone water shade
    for (int aKMD=0 ; aKMD<2 ; aKMD++)
    {
         bool isMont = (aKMD==0);
         int aFlagArc = (isMont) ? aFlagArcMont : aFlagArcDesc;
         ElPartition<tGRSom * > aPart;
         ElSubGraphe<cGR_AttrSom,cGR_AttrArc> aSubAll;
         cSubGrFlagArc< ElSubGraphe<cGR_AttrSom,cGR_AttrArc> > aSub(aSubAll,aFlagArc);
         PartitionCC(aPart,mGr,aSub);


         std::vector<tGRSom *> aVBarbs;
         cSubGrSzSup aGrCons(aPGR.mSzBarb);
         Ebarbule(mGr,aSub,aGrCons,aVBarbs);
         std::set<tGRSom *> aSetB(aVBarbs.begin(),aVBarbs.end());

         for (int aKC=0 ; aKC< aPart.nb() ; aKC++)
         {
             ElSubFilo<tGRSom *> aCC = aPart[aKC];
             int aSzTot = SomSz(aCC);
             bool Ok = aSzTot >= aPGR.mSeuilZonWS ;
             if (Ok)
             {
                 for (int aKS=0 ; aKS<aCC.size() ; aKS++)
                 {
                     if (aSetB.find(aCC[aKS])==aSetB.end())
                     {
                        aCC[aKS]->attr().Valid() = true;
                     }
                     else
                     {
                     }
                 }
             }
         }
    }
    // std::cout << "EeenDD  PARTITION\n"; getchar();

 
    double aSomT=0;
    double aMaxT=0;

    int aDelta = 1;  // 1 
    for (int aKS=0 ; aKS<int(aVSom.size()) ; aKS++)
    {
        tGRSom * aSom = aVSom[aKS];
        if (aSom && (! aSom->attr().DoneValR()))
        {
            ElTimer aChrono;
            cSubGrInterv aSG(aSom->attr().ValR()-aDelta,aSom->attr().ValR()+aDelta);
            ElFifo<tGRSom *> aCC;
            comp_connexe_som(aCC,aSom,aSG);
            int aSzCC = SomSz(aCC);
            bool Ok = aSzCC >= aPGR.mSeuilValRDelta;

            for (int aKC=0 ; aKC<int(aCC.size()) ; aKC++)
            {
                  tGRSom * aSom2 = aCC[aKC];
                  if (aSom2->attr().ValR() == aSom->attr().ValR())
                     aSom2->attr().DoneValR() = true;
                  if (Ok)
                     aSom2->attr().Valid() = true;
            }
            // ShowComp(aCC,V8,(Ok?255:0), anIm,aImLabel);

            double aT = aChrono.uval();
            aSomT += aT;
            if (aT > aMaxT)
            {
               aMaxT = aT;
            }
        }
    }

/*
*/

   //   EXPORT DES RESULTATS FINALS 
    Im2D_Bits<1>  aImRes(aSz.x,aSz.y,0);
    TIm2DBits<1>  aTImRes(aImRes);
    for (int aKS=0 ; aKS<int(aVSom.size()) ; aKS++)
    {
        tGRSom * aSom = aVSom[aKS];
        if (aSom  && aSom->attr().Valid())
        {
           std::vector<Pt2di> aVPts;
           CompCnxCste(aVPts,V8,aSom->attr().P0(),anIm,aImLabel);
           for (int aKP=0 ; aKP<int(aVPts.size()) ; aKP++)
           {
              aTImRes.oset(aVPts[aKP],1);
           }
        }
    }
    return  aImRes;
}