Ejemplo n.º 1
0
    def output_debug(self,kp0,ownership,iterstring,weights=None):
        try:
            from mylib import viz
        except:
            return

        n_models = self.models.shape[0] #self.params['n_models']
        n_coeffs = self.flow_bases_u.shape[0]

        sz_ownership = ownership.shape[0]
        if sz_ownership < n_models:
            z = np.zeros((n_models-sz_ownership,ownership.shape[1]))==1
            ownership = np.vstack((ownership,z)).copy()

        flow_u_all = np.zeros((n_models,self.flow_bases_u.shape[1]))
        flow_v_all = np.zeros((n_models,self.flow_bases_u.shape[1]))
        for m in range(n_models):
            flow_u_all[m] = self.models[m,:n_coeffs].dot(self.flow_bases_u)
            flow_v_all[m] = self.models[m,n_coeffs:].dot(self.flow_bases_v)

        if weights is None:
            u_combined,v_combined = self.get_flow_nearest(kp0,ownership)
        else:
            u_combined,v_combined = self.get_flow_nearest(kp0,weights)

        I_combined = viz.viz_flow(u_combined,v_combined)
        I_individuals = []
        for m in range(n_models):
            I_individuals.append(viz.viz_flow(
                flow_u_all[m].reshape((self.pc_h,self.pc_w)),
                flow_v_all[m].reshape((self.pc_h,self.pc_w))))

        n_x = int(np.ceil((n_models+2)/3.0))
        n_y = 3
        colors = np.argmax(ownership,axis=0)

        if have_plt:

            plt.figure(figsize=(n_x*8,n_y*4))
            plt.subplot(n_y,n_x,1)
            plt.scatter(kp0[:,0],kp0[:,1],linewidths=0,s=10,c=colors,vmin=-1,vmax=n_models,cmap='cubehelix')
            plt.xlim([0,self.pc_w])
            plt.ylim([self.pc_h,0])
            plt.title('Point ownerships')
            plt.subplot(n_y,n_x,2)
            plt.imshow(I_combined)
            plt.title('Combined flow')

            for m in range(n_models):
                plt.subplot(n_y,n_x,3+m)
                plt.imshow(I_individuals[m])
                inds = ownership[m]
                plt.scatter(kp0[inds,0],kp0[inds,1],linewidths=0,s=10,c='black')
                plt.xlim([0,self.pc_w])
                plt.ylim([self.pc_h,0])
                plt.title('Flow model {0}'.format(m))

            plt.savefig('./output_{0}.png'.format(iterstring),dpi=100,bbox_inches='tight')
            plt.close()
Ejemplo n.º 2
0
    def output_debug(self, kp0, ownership, iterstring, weights=None):
        try:
            from mylib import viz
        except:
            return

        n_models = self.models.shape[0]  #self.params['n_models']
        n_coeffs = self.flow_bases_u.shape[0]

        sz_ownership = ownership.shape[0]
        if sz_ownership < n_models:
            z = np.zeros((n_models - sz_ownership, ownership.shape[1])) == 1
            ownership = np.vstack((ownership, z)).copy()

        flow_u_all = np.zeros((n_models, self.flow_bases_u.shape[1]))
        flow_v_all = np.zeros((n_models, self.flow_bases_u.shape[1]))
        for m in range(n_models):
            flow_u_all[m] = self.models[m, :n_coeffs].dot(self.flow_bases_u)
            flow_v_all[m] = self.models[m, n_coeffs:].dot(self.flow_bases_v)

        if weights is None:
            u_combined, v_combined = self.get_flow_nearest(kp0, ownership)
        else:
            u_combined, v_combined = self.get_flow_nearest(kp0, weights)

        I_combined = viz.viz_flow(u_combined, v_combined)
        I_individuals = []
        for m in range(n_models):
            I_individuals.append(
                viz.viz_flow(flow_u_all[m].reshape((self.pc_h, self.pc_w)),
                             flow_v_all[m].reshape((self.pc_h, self.pc_w))))

        n_x = int(np.ceil((n_models + 2) / 3.0))
        n_y = 3
        colors = np.argmax(ownership, axis=0)

        if have_plt:

            plt.figure(figsize=(n_x * 8, n_y * 4))
            plt.subplot(n_y, n_x, 1)
            plt.scatter(kp0[:, 0],
                        kp0[:, 1],
                        linewidths=0,
                        s=10,
                        c=colors,
                        vmin=-1,
                        vmax=n_models,
                        cmap='cubehelix')
            plt.xlim([0, self.pc_w])
            plt.ylim([self.pc_h, 0])
            plt.title('Point ownerships')
            plt.subplot(n_y, n_x, 2)
            plt.imshow(I_combined)
            plt.title('Combined flow')

            for m in range(n_models):
                plt.subplot(n_y, n_x, 3 + m)
                plt.imshow(I_individuals[m])
                inds = ownership[m]
                plt.scatter(kp0[inds, 0],
                            kp0[inds, 1],
                            linewidths=0,
                            s=10,
                            c='black')
                plt.xlim([0, self.pc_w])
                plt.ylim([self.pc_h, 0])
                plt.title('Flow model {0}'.format(m))

            plt.savefig('./output_{0}.png'.format(iterstring),
                        dpi=100,
                        bbox_inches='tight')
            plt.close()
Ejemplo n.º 3
0
    def debug_GC(self,
                 unaries_warp,
                 unaries_colors,
                 unaries_dist,
                 tot,
                 res,
                 w_y,
                 w_x,
                 flow_u_all=None,
                 flow_v_all=None):

        try:
            from mylib import viz
        except:
            return

        n_models = unaries_warp.shape[2]
        n_coeffs = self.flow_bases_u.shape[0]
        n_pixels = self.flow_bases_u.shape[1]

        I_warp = np.vstack([unaries_warp[:, :, m] for m in range(n_models)])
        I_col = np.vstack([unaries_colors[:, :, m] for m in range(n_models)])
        I_dist = np.vstack([unaries_dist[:, :, m] for m in range(n_models)])

        I_tot = np.vstack([tot[:, :, m] for m in range(n_models)])
        #I_tot = I_warp + I_col + I_dist

        if have_plt:
            plt.figure(figsize=(10, 10))

            plt.subplot(1, 4, 1)
            plt.imshow(I_warp, cmap='hot')
            plt.title('Warp unaries')
            plt.subplot(1, 4, 2)
            plt.imshow(I_col, cmap='hot')
            plt.title('Color model unaries')
            plt.subplot(1, 4, 3)
            plt.imshow(I_dist, cmap='hot')
            plt.title('Distance unaries')
            plt.subplot(1, 4, 4)
            plt.imshow(I_tot, cmap='hot')
            plt.title('Combined unaries')
            plt.savefig('unaries.png', dpi=200, bbox_inches='tight')
            plt.close()

            if res is not None:
                plt.figure(figsize=(10, 10))
                plt.imshow(res, cmap='hot')
                plt.title('Model results')
                plt.savefig('result_models.png', dpi=200, bbox_inches='tight')
                plt.close()

            plt.figure(figsize=(10, 10))
            plt.subplot(2, 1, 1)
            plt.imshow(w_y, cmap='hot')
            plt.colorbar()
            plt.title('Vertical regularization weights')

            plt.subplot(2, 1, 2)
            plt.imshow(w_x, cmap='hot')
            plt.colorbar()
            plt.title('Horizontal reg weights')

            plt.savefig('reg_weights.png', dpi=200, bbox_inches='tight')
            plt.close()

            plt.figure(figsize=(10, 10))
            plt.subplot(411)
            plt.imshow(np.argmin(unaries_warp, axis=2), cmap='hot')
            plt.title('min of warp unaries')

            plt.subplot(412)
            plt.imshow(np.argmin(unaries_colors, axis=2), cmap='hot')
            plt.title('min of color unaries')

            plt.subplot(413)
            plt.imshow(np.argmin(unaries_dist, axis=2), cmap='hot')
            plt.title('min of dist unaries')

            plt.subplot(414)
            plt.imshow(np.argmin(unaries_warp + unaries_colors + unaries_dist,
                                 axis=2),
                       cmap='hot')
            plt.title('min of combined unaries')
            plt.savefig('unaries_min.png', dpi=200, bbox_inches='tight')
            plt.close()

            if flow_u_all is not None:
                plt.figure(figsize=(10, 10))
                nx = 3
                ny = int(np.ceil(float(n_models) / 3.0))
                for n in range(n_models):
                    u = flow_u_all[n].reshape((256, 512))
                    v = flow_v_all[n].reshape((256, 512))
                    Iv = viz.viz_flow(u, v)

                    plt.subplot(ny, nx, n + 1)
                    plt.imshow(Iv)
                    plt.title('Model {}'.format(n))
                plt.savefig('./models_all.png', dpi=200, bbox_inches='tight')
                plt.close()
Ejemplo n.º 4
0
    def output_debug2(self, kp0, point_models, res, flow_u_all, flow_v_all):
        try:
            from mylib import misc
        except:
            return

        n_models = flow_u_all.shape[0]  #self.params['n_models']
        n_coeffs = self.flow_bases_u.shape[0]

        #        sz_ownership = ownership.shape[0]
        #        if sz_ownership < n_models:
        #            z = np.zeros((n_models-sz_ownership,ownership.shape[1]))==1
        #            ownership = np.vstack((ownership,z)).copy()
        #
        I_individuals = []
        for m in range(n_models):
            I_individuals.append(
                viz.viz_flow(flow_u_all[m].reshape((self.pc_h, self.pc_w)),
                             flow_v_all[m].reshape((self.pc_h, self.pc_w))))

        #colors = np.argmax(ownership,axis=0)
        colors = flow_u_all.shape[0]

        path = self.debug_path

        if have_plt:
            # Point ownershipts
            plt.figure(figsize=(10, 10))
            plt.scatter(kp0[:, 0],
                        kp0[:, 1],
                        linewidths=0,
                        s=40,
                        c=point_models,
                        vmin=0,
                        vmax=n_models,
                        cmap='cubehelix',
                        alpha=0.5)

            #plt.axis('equal')
            plt.xlim([0, self.pc_w])
            plt.ylim([self.pc_h, 0])
            plt.xticks([], [])
            plt.yticks([], [])
            ax = plt.gca()
            ax.set_aspect('equal')
            #plt.title('Point ownerships')
            plt.savefig(os.path.join(path, 'ownerships.png'),
                        dpi=200,
                        bbox_inches='tight',
                        pad_inches=0)
            plt.close()

            for m in range(n_models):
                plt.figure(figsize=(10, 10), frameon=False)
                plt.imshow(I_individuals[m])
                #inds = ownership[m]
                inds = point_models == m
                plt.scatter(kp0[inds, 0],
                            kp0[inds, 1],
                            c='black',
                            alpha=0.5,
                            linewidths=(1, ),
                            s=40)
                #print(kp0[inds,0])
                #print(kp0[inds,1])
                plt.xlim([0, self.pc_w])
                plt.ylim([self.pc_h, 0])
                plt.xticks([], [])
                plt.yticks([], [])
                #plt.title('Flow model {0}'.format(m))
                if m == n_models - 1:
                    outfname = 'model_homography.png'
                elif m == n_models - 2:
                    outfname = 'model_pca.png'
                else:
                    outfname = 'model_{0:02}.png'.format(m)
                plt.savefig(os.path.join(path, outfname),
                            dpi=200,
                            bbox_inches='tight',
                            pad_inches=0)
                plt.close()

            plt.figure(figsize=(10, 10), frameon=False)
            plt.imshow(res, cmap='cubehelix', vmin=0, vmax=n_models - 1)
            #plt.title('Segmentation')
            #plt.colorbar()
            plt.xticks([], [])
            plt.yticks([], [])
            plt.savefig(os.path.join(path, 'segments.png'),
                        dpi=200,
                        bbox_inches='tight',
                        pad_inches=0)
            plt.close()
Ejemplo n.º 5
0
    def output_debug2(self,kp0,point_models,res,flow_u_all,flow_v_all):
        try:
            from mylib import misc
        except:
            return

        n_models = flow_u_all.shape[0] #self.params['n_models']
        n_coeffs = self.flow_bases_u.shape[0]

#        sz_ownership = ownership.shape[0]
#        if sz_ownership < n_models:
#            z = np.zeros((n_models-sz_ownership,ownership.shape[1]))==1
#            ownership = np.vstack((ownership,z)).copy()
#
        I_individuals = []
        for m in range(n_models):
            I_individuals.append(viz.viz_flow(
                flow_u_all[m].reshape((self.pc_h,self.pc_w)),
                flow_v_all[m].reshape((self.pc_h,self.pc_w))))

        #colors = np.argmax(ownership,axis=0)
        colors = flow_u_all.shape[0]

        path = self.debug_path

        if have_plt:
            # Point ownershipts
            plt.figure(figsize=(10,10))
            plt.scatter(kp0[:,0],kp0[:,1],linewidths=0,s=40,c=point_models,vmin=0,vmax=n_models,cmap='cubehelix',alpha=0.5)

            #plt.axis('equal')
            plt.xlim([0,self.pc_w])
            plt.ylim([self.pc_h,0])
            plt.xticks([],[])
            plt.yticks([],[])
            ax = plt.gca()
            ax.set_aspect('equal')
            #plt.title('Point ownerships')
            plt.savefig(os.path.join(path,'ownerships.png'),dpi=200,bbox_inches='tight',pad_inches=0)
            plt.close() 

            for m in range(n_models):
                plt.figure(figsize=(10,10),frameon=False)
                plt.imshow(I_individuals[m])
                #inds = ownership[m]
                inds = point_models==m
                plt.scatter(kp0[inds,0],kp0[inds,1],c='black',alpha=0.5,linewidths=(1,),s=40)
                #print(kp0[inds,0])
                #print(kp0[inds,1])
                plt.xlim([0,self.pc_w])
                plt.ylim([self.pc_h,0])
                plt.xticks([],[])
                plt.yticks([],[])
                #plt.title('Flow model {0}'.format(m))
                if m == n_models-1:
                    outfname = 'model_homography.png'
                elif m == n_models-2:
                    outfname = 'model_pca.png'
                else:
                    outfname = 'model_{0:02}.png'.format(m)
                plt.savefig(os.path.join(path,outfname),dpi=200,bbox_inches='tight',pad_inches=0)
                plt.close()
           
            plt.figure(figsize=(10,10),frameon=False)
            plt.imshow(res,cmap='cubehelix',vmin=0,vmax=n_models-1)
            #plt.title('Segmentation')
            #plt.colorbar()
            plt.xticks([],[])
            plt.yticks([],[])
            plt.savefig(os.path.join(path,'segments.png'),dpi=200,bbox_inches='tight',pad_inches=0)
            plt.close()
Ejemplo n.º 6
0
    def debug_GC(self,unaries_warp,unaries_colors,unaries_dist,tot,res,w_y,w_x,flow_u_all=None,flow_v_all=None):

        try:
            from mylib import viz
        except:
            return

        n_models = unaries_warp.shape[2]
        n_coeffs = self.flow_bases_u.shape[0]
        n_pixels = self.flow_bases_u.shape[1]

        I_warp = np.vstack([unaries_warp[:,:,m] for m in range(n_models)])
        I_col = np.vstack([unaries_colors[:,:,m] for m in range(n_models)])
        I_dist = np.vstack([unaries_dist[:,:,m] for m in range(n_models)])
        
        I_tot = np.vstack([tot[:,:,m] for m in range(n_models)])
        #I_tot = I_warp + I_col + I_dist

        if have_plt:
            plt.figure(figsize=(10,10))

            plt.subplot(1,4,1)
            plt.imshow(I_warp,cmap='hot')
            plt.title('Warp unaries')
            plt.subplot(1,4,2)
            plt.imshow(I_col,cmap='hot')
            plt.title('Color model unaries')
            plt.subplot(1,4,3)
            plt.imshow(I_dist,cmap='hot')
            plt.title('Distance unaries')
            plt.subplot(1,4,4)
            plt.imshow(I_tot,cmap='hot')
            plt.title('Combined unaries')
            plt.savefig('unaries.png',dpi=200,bbox_inches='tight')
            plt.close()

            if res is not None:
                plt.figure(figsize=(10,10))
                plt.imshow(res,cmap='hot')
                plt.title('Model results')
                plt.savefig('result_models.png',dpi=200,bbox_inches='tight')
                plt.close()

            plt.figure(figsize=(10,10))
            plt.subplot(2,1,1)
            plt.imshow(w_y,cmap='hot')
            plt.colorbar()
            plt.title('Vertical regularization weights')

            plt.subplot(2,1,2)
            plt.imshow(w_x,cmap='hot')
            plt.colorbar()
            plt.title('Horizontal reg weights')

            plt.savefig('reg_weights.png',dpi=200,bbox_inches='tight')
            plt.close()

            plt.figure(figsize=(10,10))
            plt.subplot(411)
            plt.imshow(np.argmin(unaries_warp,axis=2),cmap='hot')
            plt.title('min of warp unaries')

            plt.subplot(412)
            plt.imshow(np.argmin(unaries_colors,axis=2),cmap='hot')
            plt.title('min of color unaries')

            plt.subplot(413)
            plt.imshow(np.argmin(unaries_dist,axis=2),cmap='hot')
            plt.title('min of dist unaries')

            plt.subplot(414)
            plt.imshow(np.argmin(unaries_warp + unaries_colors + unaries_dist,axis=2),cmap='hot')
            plt.title('min of combined unaries')
            plt.savefig('unaries_min.png',dpi=200,bbox_inches='tight')
            plt.close()

            if flow_u_all is not None:
                plt.figure(figsize=(10,10))
                nx = 3
                ny = int(np.ceil(float(n_models)/3.0))
                for n in range(n_models):
                    u = flow_u_all[n].reshape((256,512))
                    v = flow_v_all[n].reshape((256,512))
                    Iv = viz.viz_flow(u,v)
                    
                    plt.subplot(ny,nx,n+1)
                    plt.imshow(Iv)
                    plt.title('Model {}'.format(n))
                plt.savefig('./models_all.png',dpi=200,bbox_inches='tight')
                plt.close()