Example #1
0
  def mvm_form_prod_reorder(self,X,xfactors):

    xdata=[[],[],[]]    ## row index, column index , value

    (m,n)=X.shape
    X2=np.dot(X,X.T)

    if m==400:
      print(m,n)
      
    ctensor=tensor_decomp.cls_tensor_decomp()
    ctensor.load(X2,xfactors)
    X2=ctensor.reorder_in_x(X2)
    (m2,n2)=X2.shape
    xmean=np.mean(X2)
    xstd=np.std(X2)
    lbound=xmean-5*xstd
    ubound=xmean+5*xstd
    
    k=0
    icount=0
    for i in range(m2):
      for j in range(n2):
        v=X2[i,j]
        if v>=lbound and v<=ubound:
          xdata[0].append(i)
          xdata[1].append(j)
          xdata[2].append(v)
          k+=1
        icount+=1
        
    xdata=mvm_prepare.sort_table(xdata,ifloat=1)
          
    return(xdata,m2,n2)
Example #2
0
  def invert(self,xmatre):

    ctensor=tensor_decomp.cls_tensor_decomp()
    xmatout=ctensor.invert_reorder_in_x(xmatre,self.xfactors)

    return(xmatout)
Example #3
0
    def load_mmr(self, cData, lviews):

        ldata_labels = self.read_raw_txt(self.sbasedir, self.labelfile)
        if self.loadFurther == 1:
            ldata_labels.append([self.evaldir, 1])
        mdata = len(ldata_labels)

        ## !!!!!!!!!!!!!!!!!!!!!!!!!!
        ## fixed number of categories od sides
        ncategory = 4
        ## ncategory=3
        category_recode = [0, 1, 2, 3]
        ## ####################################
        X_out = np.zeros((mdata, ncategory))
        for i in range(mdata):
            ## X_out[i,int(ldata_labels[i][1])-1]=1
            icategory = int(ldata_labels[i][1]) - 1
            if icategory == 0:
                X_out[i, category_recode[icategory]] = 1
            else:
                if ncategory == 3:
                    X_out[i, category_recode[icategory]] = 1
                else:
                    X_out[i, category_recode[icategory]] = 1

        ## number of views: joint force, cart force, cart torque
        nview = len(self.linputmask)

        ## find common minimum length of trajectories
        xlength = np.zeros(mdata)
        for i in range(mdata):
            X = np.loadtxt(ldata_labels[i][0], skiprows=1)
            xlength[i] = X.shape[0]

        ixin_type = 0  ## =0 simple vectorized =1 angles
        ixin_decompose = 0  ## =0 no, =1 tensor decomposition
        icumulant = 0  ## =0 no cumulants, =1 cumulants are the feature components

        nmin = xlength.min()

        ## !!!!!!!!!!!!!!!!!!!!!!
        if nmin > 240:
            if ixin_decompose == 1:
                nmin = 240  ## 8*6*5
        tfactors = (30, 8, 1, 1)
        nfactor = len(tfactors)
        nlayer = 1

        ncumulant = 5
        if ncumulant > tfactors[0]:
            ncumulant = tfactors[0]
        if icumulant == 0:
            nitem = tfactors[0]
        else:
            nitem = ncumulant

        if ixin_type == 0:
            nboot = 1
            if ixin_decompose == 0:
                X_in = []
                for i in range(nview):
                    nslice = self.linputmask[i][1] - self.linputmask[i][0]
                    X_in.append(np.zeros((mdata, nboot * nmin * nslice)))

            elif ixin_decompose == 1:

                X_in = []
                for i in range(nview):
                    nslice = self.linputmask[i][1] - self.linputmask[i][0]
                    X_in.append(np.zeros((mdata, nlayer * nitem * nslice)))

            for i in range(mdata):
                ## if i==18:
                ##   print(i)
                X = np.loadtxt(ldata_labels[i][0], skiprows=1)
                X = X[:nmin, :]
                if ixin_decompose == 0:
                    for j in range(nview):
                        i0 = self.linputmask[j][0]
                        ik = self.linputmask[j][1]
                        ## fX=X[:,i0:ik].ravel()
                        ## fX=np.sort(fX)
                        ## X_in[j][i]=fX
                        X_in[j][i] = X[:, i0:ik].ravel()

                elif ixin_decompose == 1:
                    for j in range(nview):
                        i0 = self.linputmask[j][0]
                        ik = self.linputmask[j][1]
                        xmatrix = X[:, i0:ik]
                        ## xamtrix=spsignal.savgol_filter(xmatrix,7,5,deriv=0,axis=0, \
                        ##                            mode='interp')
                        ## xfactors assume 240 rows
                        xfactors=np.array([[tfactors[0],ik-i0],[tfactors[1],1], \
                                           [tfactors[2],1],[tfactors[3],1]])
                        ctensor = tensor_decomp.cls_tensor_decomp()
                        ctensor.load(xmatrix, xfactors)
                        niter = 10
                        ctensor.decompose2(niter)

                        nslice = self.linputmask[j][1] - self.linputmask[j][0]
                        fX = np.zeros(nlayer * nitem * nslice)
                        ipos = 0
                        for ilayer in range(nlayer):
                            for ifactor in range(1):
                                zfact = ctensor.lcomponents[ilayer][ifactor]
                                (mzfact, nzfact) = zfact.shape
                                for icol in range(nzfact):
                                    if np.mean(zfact[:, icol]) < 0:
                                        zfact[:, icol] = -zfact[:, icol]
                                if icumulant == 1:
                                    for icol in range(nzfact):
                                        xcumulants = cumulants(zfact[:, icol],
                                                               ncumulant,
                                                               icentral=1)
                                        fX[ipos:ipos + nitem] = xcumulants
                                        ipos += nitem
                                else:
                                    ## (u,s,v)=np.linalg.svd(zfact)
                                    ## zfact=np.dot(u[:,:nzfact],np.diag(s[:nzfact]))
                                    for icol in range(nzfact):
                                        fX[ipos:ipos + mzfact] = zfact[:, icol]
                                        ipos += mzfact

                        ## fX=np.sort(fX)
                        X_in[j][i] = fX

        elif ixin_type == 1:
            X_in = [np.zeros((mdata, nmin - 1)) for i in range(nview)]

            for i in range(mdata):
                X = np.loadtxt(self.sbasedir + ldata_labels[i][0], skiprows=1)
                X = X[:nmin, :]
                for j in range(nview):
                    i0 = self.linputmask[j][0]
                    ik = self.linputmask[j][1]
                    X_in[j][i] = angle_moment(X[:, i0:ik])

        ## subspace output kernel
        cData.YKernel = mmr_kernel_explicit.cls_feature(ifeature=0)
        cData.YKernel.load_data(X_out, ifeature=0)
        cData.YKernel.ifeature = 0
        cData.YKernel.title = 'output'
        ## setting output parameters
        cparams = cls_initial_params()
        cData.YKernel.kernel_params.set(cparams.get_yparams('kernel', 0))
        ## cData.YKernel.prekernel_params.set(cparams.get_yinparams('kernel',0))
        cData.YKernel.crossval.set(cparams.get_yparams('cross', 0))
        cData.YKernel.norm.set(cparams.get_yparams('norm', 0))

        idata = 0
        for iview in range(nview):
            if iview in lviews:
                cData.XKernel[idata] = mmr_kernel_explicit.cls_feature(
                    ifeature=0)
                cData.XKernel[idata].load_data(X_in[iview], ifeature=0)
                cData.XKernel[idata].title = 'input_' + str(iview)

                ## setting input parameters
                cData.XKernel[idata].kernel_params.set(cparams. \
                                                     get_xparams('kernel',idata))
                ## cData.XKernel[idata].prekernel_params.set(cparams. \
                ##                             get_xinparams('kernel',idata))
                cData.XKernel[idata].crossval.set(
                    cparams.get_xparams('cross', idata))
                cData.XKernel[idata].norm.set(
                    cparams.get_xparams('norm', idata))
                idata += 1

        cData.ninputview = idata  ## set active views
        cData.mdata = cData.YKernel.dataraw.shape[0]

        cData.nfold = 2
        cData.nrepeat = 2
        cData.kmode = 1  ## =0 additive (feature concatenation)
        ## =1 multiplicative (fetaure tensor product)

        return
Example #4
0
  def load(self,ifile):  

    if ifile==0:
      sdir='/home/szedmak/data/image_text/labeled_images/'
      sfile='/cambridge/Image007.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((768,512)))  ## 504,756 -> 512,768
      self.xfactors=np.array([[32,48,1],[16,16,1],[1,1,3]]) 
    elif ifile==1:
      sdir='/home/szedmak/src/python/algebra/tensor_decomp/'
      sfile='handwritten.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((1024,1024)))  ## 504,756 -> 512,768
      self.xfactors=np.array([[32,32],[32,32]])
    elif ifile==2:
      sdir='/home/szedmak/src/python/algebra/tensor_decomp/'
      sfile='tilling.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((576,512)))  ## 504,756 -> 512,768
      ## xmatrix=np.mean(xmatrix,axis=2)
      self.xfactors=np.array([[32,36,1],[16,16,1],[1,1,3]])  ## tilling
    elif ifile==3:
      sdir='/home/szedmak/src/python/algebra/tensor_decomp/'
      sfile='poligon.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((512,512)))  ## 504,756 -> 512,768
      self.xfactors=np.array([[32,32,1],[16,16,1],[1,1,3]])  ## poligon
    elif ifile==4:
      sdir='/home/szedmak/src/python/algebra/tensor_decomp/'
      sfile='2008toyroom.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((768,512)))  ## 504,756 -> 512,768
      ## xmatrix=np.mean(xmatrix,axis=2)
      self.xfactors=np.array([[32,48,1],[16,16,1],[1,1,3]]) 
    elif ifile==5:
      sdir='/home/szedmak/src/python/algebra/tensor_decomp/'
      sfile='PLayroom_How_to_Organize_Kids_Room_2013.png'
      xmatpil=pilimg.open(sdir+sfile)
      xmatrix=np.array(xmatpil.resize((768,512)))  ## 504,756 -> 512,768
      self.xfactors=np.array([[32,48,1],[16,16,1],[1,1,3]]) 

    print(sdir,sfile)
    print(self.xfactors)

    self.baseline(xmatrix)

    ctensor=tensor_decomp.cls_tensor_decomp()
    ctensor.load(xmatrix,self.xfactors)
    X=ctensor.reorder_in_x(xmatrix)
    ## X=X.T
    tshape=X.shape
    mi=tshape[0]
    mj=tshape[1]
    ## if len(tshape)>2:
    ##   mk=tshape[2]

    ## X=X/self.image_scale
    
    xdata=[[],[],[]]    ## row index, column index , value
    for i in range(mi):
      for j in range(mj):
        xdata[0].append(i)
        xdata[1].append(int(np.mean(X[i,j])))
        xdata[2].append(X[i,j]/self.image_scale)
        
    xdata=mvm_prepare.sort_table(xdata,ifloat=1)

    m1=mi
    ## m2=mj
    m2=256
          
    return(xdata,m1,m2)
Example #5
0
  def load_mmr(self, cData, lviews):
    
    ldata_labels = self.read_raw_txt(self.sbasedir,self.labelfile)
    if self.loadFurther==1:
      ldata_labels.append([self.evaldir, 1])
    mdata=len(ldata_labels)

    ## !!!!!!!!!!!!!!!!!!!!!!!!!!
    ## fixed number of categories od sides
    ncategory=4
    ## ncategory=3
    category_recode=[0,1,2,3]
    ## ####################################
    X_out=np.zeros((mdata,ncategory))
    for i in range(mdata):
      ## X_out[i,int(ldata_labels[i][1])-1]=1
      icategory=int(ldata_labels[i][1])-1
      if icategory==0:
        X_out[i,category_recode[icategory]]=1
      else:
        if ncategory==3:
          X_out[i,category_recode[icategory]]=1
        else:
          X_out[i,category_recode[icategory]]=1

    ## number of views: joint force, cart force, cart torque
    nview=len(self.linputmask)

    ## find common minimum length of trajectories
    xlength=np.zeros(mdata)
    for i in range(mdata):
      X=np.loadtxt(ldata_labels[i][0],skiprows=1)
      xlength[i]=X.shape[0]

    ixin_type=0   ## =0 simple vectorized =1 angles
    ixin_decompose=0  ## =0 no, =1 tensor decomposition
    icumulant=0   ## =0 no cumulants, =1 cumulants are the feature components 

    nmin=xlength.min()

    ## !!!!!!!!!!!!!!!!!!!!!!
    if nmin>240:
      if ixin_decompose==1:
        nmin=240    ## 8*6*5
    tfactors=(30,8,1,1)
    nfactor=len(tfactors)
    nlayer=1
    
    ncumulant=5
    if ncumulant>tfactors[0]:
      ncumulant=tfactors[0]
    if icumulant==0:
      nitem=tfactors[0]
    else:
      nitem=ncumulant
        

    if ixin_type==0:
      nboot=1
      if ixin_decompose==0:
        X_in=[]
        for i in range(nview):
          nslice=self.linputmask[i][1]-self.linputmask[i][0]
          X_in.append(np.zeros((mdata,nboot*nmin*nslice)))
          
      elif ixin_decompose==1:
        
        X_in=[]
        for i in range(nview):
          nslice=self.linputmask[i][1]-self.linputmask[i][0]
          X_in.append(np.zeros((mdata,nlayer*nitem*nslice)))

      for i in range(mdata):
        ## if i==18:
        ##   print(i)
        X=np.loadtxt(ldata_labels[i][0],skiprows=1)
        X=X[:nmin,:]
        if ixin_decompose==0:
          for j in range(nview):
            i0=self.linputmask[j][0]
            ik=self.linputmask[j][1]
            ## fX=X[:,i0:ik].ravel()
            ## fX=np.sort(fX)
            ## X_in[j][i]=fX
            X_in[j][i]=X[:,i0:ik].ravel()

        elif ixin_decompose==1:
          for j in range(nview):
            i0=self.linputmask[j][0]
            ik=self.linputmask[j][1]
            xmatrix=X[:,i0:ik]
            ## xamtrix=spsignal.savgol_filter(xmatrix,7,5,deriv=0,axis=0, \
            ##                            mode='interp')
            ## xfactors assume 240 rows
            xfactors=np.array([[tfactors[0],ik-i0],[tfactors[1],1], \
                               [tfactors[2],1],[tfactors[3],1]])
            ctensor=tensor_decomp.cls_tensor_decomp()
            ctensor.load(xmatrix,xfactors)
            niter=10
            ctensor.decompose2(niter)

            nslice=self.linputmask[j][1]-self.linputmask[j][0]
            fX=np.zeros(nlayer*nitem*nslice)
            ipos=0
            for ilayer in range(nlayer):
              for ifactor in range(1):
                zfact=ctensor.lcomponents[ilayer][ifactor]
                (mzfact,nzfact)=zfact.shape
                for icol in range(nzfact):
                  if np.mean(zfact[:,icol])<0:
                    zfact[:,icol]=-zfact[:,icol]
                if icumulant==1:
                  for icol in range(nzfact):
                    xcumulants=cumulants(zfact[:,icol],ncumulant,icentral=1)
                    fX[ipos:ipos+nitem]=xcumulants
                    ipos+=nitem
                else:
                  ## (u,s,v)=np.linalg.svd(zfact)
                  ## zfact=np.dot(u[:,:nzfact],np.diag(s[:nzfact]))
                  for icol in range(nzfact):
                    fX[ipos:ipos+mzfact]=zfact[:,icol]
                    ipos+=mzfact

            ## fX=np.sort(fX)
            X_in[j][i]=fX
          
    elif ixin_type==1:
      X_in=[ np.zeros((mdata,nmin-1)) for i in range(nview)]

      for i in range(mdata):
        X=np.loadtxt(self.sbasedir+ldata_labels[i][0],skiprows=1)
        X=X[:nmin,:]
        for j in range(nview):
          i0=self.linputmask[j][0]
          ik=self.linputmask[j][1]
          X_in[j][i]=angle_moment(X[:,i0:ik])
       

    ## subspace output kernel
    cData.YKernel=mmr_kernel_explicit.cls_feature(ifeature=0)
    cData.YKernel.load_data(X_out,ifeature=0)
    cData.YKernel.ifeature=0
    cData.YKernel.title='output'
    ## setting output parameters
    cparams=cls_initial_params()
    cData.YKernel.kernel_params.set(cparams.get_yparams('kernel',0))
    ## cData.YKernel.prekernel_params.set(cparams.get_yinparams('kernel',0))
    cData.YKernel.crossval.set(cparams.get_yparams('cross',0))
    cData.YKernel.norm.set(cparams.get_yparams('norm',0))

    idata=0
    for iview in range(nview):
      if iview in lviews:
        cData.XKernel[idata]=mmr_kernel_explicit.cls_feature(ifeature=0)
        cData.XKernel[idata].load_data(X_in[iview],ifeature=0)
        cData.XKernel[idata].title='input_'+str(iview)

    ## setting input parameters
        cData.XKernel[idata].kernel_params.set(cparams. \
                                             get_xparams('kernel',idata))
        ## cData.XKernel[idata].prekernel_params.set(cparams. \
        ##                             get_xinparams('kernel',idata))
        cData.XKernel[idata].crossval.set(cparams.get_xparams('cross',idata))
        cData.XKernel[idata].norm.set(cparams.get_xparams('norm',idata))
        idata+=1

    cData.ninputview=idata  ## set active views
    cData.mdata=cData.YKernel.dataraw.shape[0]

    cData.nfold=2
    cData.nrepeat=2
    cData.kmode=1   ## =0 additive (feature concatenation)
                    ## =1 multiplicative (fetaure tensor product)

    return