def read(config): task_name = config['task_name'] nb_object = config['object']['nb_object'] fps = config['animation']['fps'] se3_path = './output/' + task_name + '/pose/se3_pose.npy' demo_list = os.listdir('./data/' + task_name) output_dir = './output/' + task_name + '/read_pose' se3_dict = np.load(se3_path, allow_pickle=True).item() obj = vision.SE3object(np.zeros(6), angle_type='axis') fig = plt.figure() ax = fig.add_subplot(111, projection='3d') color = ['g', 'r'] # draw trajectory w.r.t. camera for demo_name, se3_traj in se3_dict.items(): depth_dir = './data/' + task_name + '/' + demo_name + '/depth' #mask_dir = './output/'+task_name+'/segment/'+demo_name mask_dir = './data/' + task_name + '/' + demo_name + '/mask' depth_files = sorted(glob.glob(depth_dir + '/*.npy')) mask_files = sorted(glob.glob(mask_dir + '/*.npy')) output_path = output_dir + '/' + demo_name util.create_dir(output_path, clear=True) depth = np.load(depth_files[0]) mask = np.load(mask_files[0]) se30 = se3_traj[0, 0, :] SE30 = se3_to_SE3(se30) T0 = SE30[0:3, 3] T_traj = np.expand_dims(T0, 0) # modify for multiple object for t in range(len(se3_traj)): ax.clear() for obj_idx in range(nb_object): se3 = se3_traj[t, obj_idx, :] SE3 = se3_to_SE3(se3) T = SE3[0:3, 3] T_traj = np.concatenate([T_traj, np.expand_dims(T, 0)], 0) ax.plot(T_traj[:, 0], T_traj[:, 1], T_traj[:, 2], color[obj_idx], alpha=0.5, linewidth=4) obj.apply_pose(se3) obj.plot(ax, scale=0.05, linewidth=3) util.set_axes_equal(ax) #ax.axis('scaled') ax.set_xlabel('x(m)') ax.set_ylabel('y(m)') ax.set_zlabel('z(m)') ax.view_init(elev=-60, azim=-90) fig.savefig(output_path + '/%06d.png' % t) np.save(output_path + '/pose_traj.npy', se3_traj) video_path = output_path + '/object_trajectory.avi' util.frame_to_video(output_path, video_path, 'png', fps=fps)()
def compare(config, LOAD=False): ''' vicon data is required! execute 'read_bag' first ''' task_name = config['task_name'] fps = config['animation']['fps'] object_list = util.load_txt('./configure/%s_objects.txt' % task_name) nb_object = len(object_list) data_dir = './data/' + task_name pose_dir = './output/' + task_name + '/read_pose' output_dir = './output/' + task_name + '/compare_traj' util.create_dir(output_dir, clear=False) ## load data demo_list = os.listdir('./data/' + task_name) for demo in demo_list: rgb_demo_dir = data_dir + '/' + demo + '/rgb' cam_demo_dir = data_dir + '/' + demo + '/vicon/k_zed' output_demo_dir = output_dir + '/' + demo util.create_dir(output_demo_dir + '/traj', clear=True) util.create_dir(output_demo_dir + '/plot', clear=True) # g_vc1 : vicon to camera(vicon_pose) = cam pose by vicon # g_c1c2 : camera(vicon_pose) to camera center(center of image plane) # g_c2o1 : camera center to object(vision coordinates) = object pose by vision # g_o1o2 : object(vision coordinates) to object(vicon coordinates) # g_vo2_gt : vicon to object(vicon coordinates) = object pose by vicon assert len(object_list) == 1 ## to do : multiple object obj_demo_dir = data_dir + '/' + demo + '/vicon/' + object_list[ 0] ## to do : multiple object se3_c2o1 = np.load(pose_dir + '/' + demo + '/pose_traj.npy')[:, 0, :] ## to do : multiple object se3_vc1 = load_vicon(cam_demo_dir) se3_vo2_gt = load_vicon(obj_demo_dir) # make vicon orientation = [0,0,0] demo_len = 50 #len(se3_c2o1) ################################# g_vo2_gt_0 = se3_to_SE3(se3_vo2_gt[0, :]) R0 = g_vo2_gt_0[0:3, 0:3] T0 = np.zeros(3) g0_inv = RT_to_SE3(np.transpose(R0), T0) for t in range(demo_len): g_vo2_gt_t = se3_to_SE3(se3_vo2_gt[t, :]) new_g_vo2_gt_t = np.matmul(g_vo2_gt_t, g0_inv) new_se3_vo2_gt_t = SE3_to_se3(new_g_vo2_gt_t) se3_vo2_gt[t, :] = new_se3_vo2_gt_t x0 = np.random.rand(12) #x0 = np.random.rand(6) optimize_len = int(len(se3_c2o1)) def objective_fn(x0): # g_vc1 : vicon to camera(vicon_pose) = se3_cam # g_c1c2 : camera(vicon_pose) to camera center(center of image plane) # g_c2o1 : camera center to object(vision coordinates) = se3_vision # g_o1o2 : object(vision coordinates) to object(vicon coordinates) g_c1c2 = se3_to_SE3(x0[0:6]) g_o1o2 = se3_to_SE3(x0[6:12]) #g_c1c2 = se3_to_SE3(np.zeros(6)) #g_o1o2 = se3_to_SE3(x0) loss = 0 for t in range(optimize_len): g_c2o1_t = se3_to_SE3(se3_c2o1[t, :]) g_vc1_t = se3_to_SE3(se3_vc1[t, :]) g_vo2 = np.matmul( g_vc1_t, np.matmul(g_c1c2, np.matmul(g_c2o1_t, g_o1o2))) g_vo2 = np.matmul(g_vc1_t, np.matmul(g_c2o1_t, g_o1o2)) g_vo2_gt = se3_to_SE3(se3_vo2_gt[t, :]) se3_vo2 = SE3_to_se3(g_vo2) #loss += np.sum(np.square(se3_vo2[:]-se3_vo2_gt[t,:])) #---------------- loss += np.sum(np.square(g_vo2[0:3, 3] - g_vo2_gt[0:3, 3])) #loss += np.sum(np.square(g_vo2-g_vo2_gt)) #---------------------- return loss print(colored('initial_loss:' + str(objective_fn(x0)), 'blue')) if LOAD: result = np.load(output_demo_dir + '/optimization.npy', allow_pickle=True).item() cmd = input('Optimization more? [y/n]') if cmd == 'y': x0 = result.x result = minimize(objective_fn, x0, method='BFGS', options={'disp': True}) else: pass else: #''' result = minimize(objective_fn, x0, method='BFGS', options={'disp': True}) #''' ''' result = minimize(objective_fn, x0, method='BFGS', tol=1e-8, options={'gtol': 1e-8, 'disp': True}) ''' np.save(output_demo_dir + '/optimization.npy', result) print(colored('optimized_loss:' + str(objective_fn(result.x)), 'blue')) g_c1c2 = se3_to_SE3(result.x[0:6]) g_o1o2 = se3_to_SE3(result.x[6:12]) #g_c1c2 = se3_to_SE3(np.zeros(6)) #g_o1o2 = se3_to_SE3(result.x) obj_vicon = vision.SE3object(np.zeros(6), angle_type='axis') obj_vision = vision.SE3object(np.zeros(6), angle_type='axis') fig = plt.figure() ax = fig.add_subplot(111, projection='3d') loss = 0 position_error = [] rotation_error = [] vicon_traj = [] vision_traj = [] vicon_euler = [] vision_euler = [] T_vo2 = np.zeros((0, 3)) T_vo2_gt = np.zeros((0, 3)) g_c2o1_0 = se3_to_SE3(se3_c2o1[0, :]) g_vc1_0 = se3_to_SE3(se3_vc1[0, :]) g_vo2_0 = np.matmul(g_vc1_0, np.matmul(g_c1c2, np.matmul(g_c2o1_0, g_o1o2))) g_vo2_0_gt = se3_to_SE3(se3_vo2_gt[0, :]) R_target = g_vo2_0_gt[0:3, 0:3] R_ori = g_vo2_0[0:3, 0:3] T_ori = g_vo2_0[0:3, 3] SO3_align = np.matmul(R_target, np.transpose(R_ori)) SE3_align = np.matmul(inv_SE3(g_vo2_0), g_vo2_0_gt) for t in range(demo_len): g_c2o1_t = se3_to_SE3(se3_c2o1[t, :]) g_vc1_t = se3_to_SE3(se3_vc1[t, :]) g_vo2_t = np.matmul(g_vc1_t, np.matmul(g_c1c2, np.matmul(g_c2o1_t, g_o1o2))) #g_vo2_t[0:3,0:3] = np.matmul(SO3_align, g_vo2_t[0:3,0:3]) #g_vo2_t = np.matmul(g_vo2_t, SE3_align) se3_vo2_t_gt = SE3_to_se3(se3_to_SE3(se3_vo2_gt[t, :])) g_vo2_t_gt = se3_to_SE3(se3_vo2_t_gt) se3_vo2_t = SE3_to_se3(g_vo2_t) T_vo2 = np.concatenate( [T_vo2, np.expand_dims(g_vo2_t[0:3, 3], 0)], 0) T_vo2_gt = np.concatenate( [T_vo2_gt, np.expand_dims(g_vo2_t_gt[0:3, 3], 0)], 0) ax.clear() obj_vicon.apply_pose(se3_vo2_t) obj_vision.apply_pose(se3_vo2_t_gt) obj_vicon.plot(ax, scale=0.015, linewidth=3) obj_vision.plot(ax, scale=0.015, linewidth=3) ax.plot(T_vo2_gt[:t, 0], T_vo2_gt[:t, 1], T_vo2_gt[:t, 2], '--', color='r', alpha=0.5, linewidth=4) ax.plot(T_vo2[:, 0], T_vo2[:, 1], T_vo2[:, 2], color='g', alpha=0.5, linewidth=3) util.set_axes_equal(ax) ax.set_xlabel('x(m)') ax.set_ylabel('y(m)') ax.set_zlabel('z(m)') fig.savefig(output_demo_dir + '/traj/%05d.png' % t) ## rescale (||w|| = 1) #se3_vo2_t[3:6] = (1./np.sqrt(np.sum(np.square(se3_vo2_t[3:6]))))*se3_vo2_t[3:6] #se3_vo2_t_gt[3:6] = (1./np.sqrt(np.sum(np.square(se3_vo2_t_gt[3:6]))))*se3_vo2_t_gt[3:6] loss += np.sqrt(np.sum(np.square(se3_vo2_t_gt - se3_vo2_t))) position_error.append( np.expand_dims( np.sqrt( np.sum(np.square(g_vo2_t_gt[0:3, 3] - g_vo2_t[0:3, 3]))), 0)) rotation_error.append( np.expand_dims( np.sqrt( np.sum(np.square(se3_vo2_t_gt[3:6] - se3_vo2_t[3:6]))), 0)) vicon_traj.append(np.expand_dims(se3_vo2_t_gt, 0)) vision_traj.append(np.expand_dims(se3_vo2_t, 0)) vicon_euler.append( np.expand_dims(R_to_euler(g_vo2_t_gt[0:3, 0:3]), 0)) vision_euler.append( np.expand_dims(R_to_euler(g_vo2_t[0:3, 0:3]), 0)) if t == 0: total_translation = 0 total_rotation = 0 prev_g_vo = g_vo2_t_gt prev_se3_vo = se3_vo2_t_gt else: total_translation += np.sqrt( np.sum(np.square(g_vo2_t_gt[0:3, 3] - prev_g_vo[0:3, 3]))) total_rotation += np.sqrt( np.sum(np.square(se3_vo2_t_gt[3:6] - prev_se3_vo[3:6]))) prev_g_vo = g_vo2_t_gt prev_se3_vo = se3_vo2_t_gt plt.close() ## save loss loss = loss / demo_len position_error = np.sum( position_error) / demo_len #np.concatenate(position_error,0) rotation_error = np.sum( rotation_error) / demo_len #np.concatenate(rotation_error,0) vicon_traj = np.concatenate(vicon_traj, 0) vision_traj = np.concatenate(vision_traj, 0) vicon_euler = np.concatenate(vicon_euler, 0) vision_euler = np.concatenate(vision_euler, 0) np.savetxt(output_demo_dir + '/loss.txt', [loss]) np.savetxt(output_demo_dir + '/position_error.txt', [position_error]) np.savetxt(output_demo_dir + '/rotation_error.txt', [rotation_error]) np.savetxt(output_demo_dir + '/total_translation.txt', [total_translation]) np.savetxt(output_demo_dir + '/total_rotation.txt', [total_rotation]) np.savetxt(output_demo_dir + '/vicon_traj.txt', vicon_traj) np.savetxt(output_demo_dir + '/vision_traj.txt', vision_traj) ## save plot fig = plt.figure() ymins = [] ymaxs = [] axes = [] scales = [] for i in range(3): ax = plt.subplot(3, 1, i + 1) ax.plot(np.arange(demo_len), vicon_traj[:, i], '--', color='r', alpha=0.5, linewidth=4) ax.plot(np.arange(demo_len), vision_traj[:, i], color='g', alpha=0.5, linewidth=3) ymin, ymax = ax.get_ylim() ymins.append(ymin) ymaxs.append(ymax) axes.append(ax) scales.append(ymax - ymin) ymin = min(ymins) ymax = max(ymaxs) scale_max = max(scales) for ax, ymin, ymax in zip(axes, ymins, ymaxs): center = (ymin + ymax) / 2 ax.set_ylim([center - scale_max / 2, center + scale_max / 2]) fig.savefig(output_demo_dir + '/v_component.png') plt.close() fig = plt.figure() ymins = [] ymaxs = [] axes = [] scales = [] for i in range(3): ax = plt.subplot(3, 1, i + 1) ax.plot(np.arange(demo_len), vicon_traj[:, i + 3], '--', color='r', alpha=0.5, linewidth=4) ax.plot(np.arange(demo_len), vision_traj[:, i + 3], color='g', alpha=0.5, linewidth=3) ymin, ymax = ax.get_ylim() ymins.append(ymin) ymaxs.append(ymax) axes.append(ax) scales.append(ymax - ymin) ymin = min(ymins) ymax = max(ymaxs) scale_max = max(scales) for ax, ymin, ymax in zip(axes, ymins, ymaxs): center = (ymin + ymax) / 2 ax.set_ylim([center - scale_max / 2, center + scale_max / 2]) fig.savefig(output_demo_dir + '/w_component.png') plt.close() ## translation and rotation fig = plt.figure() ymins = [] ymaxs = [] axes = [] scales = [] for i in range(3): ax = plt.subplot(3, 1, i + 1) ax.plot(np.arange(demo_len), T_vo2_gt[:, i], '--', color='r', alpha=0.5, linewidth=4) ax.plot(np.arange(demo_len), T_vo2[:, i], color='g', alpha=0.5, linewidth=3) ymin, ymax = ax.get_ylim() ymins.append(ymin) ymaxs.append(ymax) axes.append(ax) scales.append(ymax - ymin) ymin = min(ymins) ymax = max(ymaxs) scale_max = max(scales) for ax, ymin, ymax in zip(axes, ymins, ymaxs): center = (ymin + ymax) / 2 ax.set_ylim([center - scale_max / 2, center + scale_max / 2]) fig.savefig(output_demo_dir + '/translation_component.png') plt.close() fig = plt.figure() ymins = [] ymaxs = [] axes = [] scales = [] for i in range(3): ax = plt.subplot(3, 1, i + 1) ax.plot(np.arange(demo_len), vicon_euler[:, i], '--', color='r', alpha=0.5, linewidth=4) ax.plot(np.arange(demo_len), vision_euler[:, i], color='g', alpha=0.5, linewidth=3) ymin, ymax = ax.get_ylim() ymins.append(ymin) ymaxs.append(ymax) axes.append(ax) scales.append(ymax - ymin) ymin = min(ymins) ymax = max(ymaxs) scale_max = max(scales) for ax, ymin, ymax in zip(axes, ymins, ymaxs): center = (ymin + ymax) / 2 ax.set_ylim([center - scale_max / 2, center + scale_max / 2]) fig.savefig(output_demo_dir + '/rotation_component.png') plt.close()
obj_color[obj] = colors[i] for t in range(data_len): ax.clear() for obj in object_names: se3_object = se3_objects[obj] se3 = se3_dict[obj][t,:] SE3 = se3_to_SE3(se3) T = SE3[0:3,3] se3_traj[obj] = np.concatenate([se3_traj[obj], np.expand_dims(T,0)],0) ax.plot(se3_traj[obj][:,0],se3_traj[obj][:,1],se3_traj[obj][:,2], obj_color[obj], alpha = 0.5, linewidth = 4) se3_object.apply_pose(se3) se3_object.plot(ax, scale = 0.05, linewidth = 3) util.set_axes_equal(ax) #ax.axis('scaled') ax.set_xlabel('x(m)') ax.set_ylabel('y(m)') ax.set_zlabel('z(m)') ax.view_init(elev = -60, azim = -90) fig.savefig(output_dir+'/%s.png'%str(t).zfill(10)) video_path = output_dir+'/object_trajectory.avi' util.frame_to_video(output_dir, video_path, 'png', fps=fps)()
def compare(config): ''' vicon data is required! execute 'read_bag' first ''' task_name = config['data_name'] nb_object = config['object']['nb_object'] supervision = config['pose']['supervision'] fps = config['animation']['fps'] data_dir = './data/' + task_name pose_dir = './output/read_pose/' + task_name vicon_dir = './output/vicon/' + task_name output_dir = './output/compare_traj/' + task_name util.create_dir(output_dir, clear=True) demo_list = os.listdir('./data/' + task_name) for demo in demo_list: data_demo_dir = data_dir + '/' + demo vicon_demo_dir = vicon_dir + '/' + demo cam_pos0 = np.load(data_demo_dir + '/camera_position0.npy', allow_pickle=True) cam_pos1 = np.load(data_demo_dir + '/camera_position1.npy', allow_pickle=True) robot_pos0 = np.load(data_demo_dir + '/pioneer_position0.npy', allow_pickle=True) robot_pos1 = np.load(data_demo_dir + '/pioneer_position1.npy', allow_pickle=True) cut_point = np.loadtxt(data_demo_dir + '/cut.txt') util.create_dir(output_dir + '/' + demo + '/plot', clear=True) util.create_dir(output_dir + '/' + demo + '/pickle', clear=True) ## open vicon trajectory vision_traj_list = np.load(pose_dir + '/' + demo + '/pose_traj.npy') obj_files = sorted(glob.glob(vicon_demo_dir + '/*_pose.npy')) assert len(obj_files) == 1 vicon_traj_list = [] for obj_file in obj_files: vicon_traj_loaded = np.load(obj_file, allow_pickle=True) #for i in range(1,7): # vicon_traj_loaded[:,i] = medfilt(vicon_traj_loaded[:,i],11) vicon_traj_list.append(vicon_traj_loaded) ## open cam time cam_start_time = cam_pos0[0] cam_finish_time = cam_pos1[0] ## cut point total_img = cut_point[0] beginning_cut = cut_point[1] endding_cut = cut_point[2] ## modify cam start time play_time = cam_finish_time - cam_start_time cam_start_time = cam_start_time + play_time * (beginning_cut / (total_img - 1)) cam_finish_time = cam_finish_time - play_time * (endding_cut / (total_img - 1)) for i in range(nb_object): vicon_traj = vicon_traj_list[i] vision_traj = vision_traj_list[:, i, :] vicon_time = vicon_traj[:, 0] vicon_start_idx = 0 vicon_finish_idx = len(vicon_time) for i in range(len(vicon_time)): if vicon_time[i] < cam_start_time: vicon_start_idx = i if vicon_time[i] < cam_finish_time: vicon_finish_idx = i vicon_start_idx += 1 clipped_vicon_time = vicon_time[vicon_start_idx:vicon_finish_idx] clipped_vicon = vicon_traj[vicon_start_idx:vicon_finish_idx, 1:7] ### align time len_vision = len(vision_traj) vision_time = np.arange( clipped_vicon_time[0], clipped_vicon_time[-1], (clipped_vicon_time[-1] - clipped_vicon_time[0]) / len_vision) fig = plt.figure() ax = fig.add_subplot(111, projection='3d') vicon_plot = np.zeros((0, 3)) vicon_se3 = np.zeros((0, 6)) vision_plot = np.zeros((0, 3)) vision_se3 = np.zeros((0, 6)) obj_vicon = vision.SE3object(np.zeros(6), angle_type='axis') obj_vision = vision.SE3object(np.zeros(6), angle_type='axis') v_t = 1 for t in range(len(vision_traj)): # ah for tt in range(v_t - 1, len(clipped_vicon_time)): if clipped_vicon_time[tt] > vision_time[t]: break v_t = tt #print('vision_time:%04.04f'%vision_time[t]) #print('vicon_time:%04.04f'%clipped_vicon_time[v_t]) #print('\n') ## time vicon_T = se3_to_SE3(clipped_vicon[v_t, :]) vision_T = se3_to_SE3(vision_traj[t, :]) vicon_plot = np.concatenate( [vicon_plot, np.expand_dims(vicon_T[0:3, 3], 0)], 0) vision_plot = np.concatenate( [vision_plot, np.expand_dims(vision_T[0:3, 3], 0)], 0) vicon_se3_element = SE3_to_se3( se3_to_SE3(clipped_vicon[v_t, :])) vicon_se3 = np.concatenate( [vicon_se3, np.expand_dims(vicon_se3_element, 0)], 0) vision_se3 = np.concatenate( [vision_se3, np.expand_dims(SE3_to_se3(vision_T), 0)], 0) plt.close('all') ## align translation x0 = np.random.rand(12) optimize_len = int(len(vision_plot)) ########################## for task3 (occlusion) #if task_name == 'task3': # optimize_len = 100 def objective_fn(x0): SE30 = se3_to_SE3(x0[0:6]) SE31 = se3_to_SE3(x0[6:12]) loss = 0 for t in range(optimize_len): transformed = np.matmul( np.matmul(SE30, se3_to_SE3(vision_se3[t, :])), SE31) transformed_se3 = SE3_to_se3(transformed) loss += np.sum( np.square(transformed_se3[:] - vicon_se3[t, :])) #transformed = un_homo( np.matmul(np.matmul(SE30, to_homo(vision_plot[t,:])),SE31)) #loss += np.sum(np.square(transformed-vicon_plot[t,:])) return loss print(demo) print('initial_loss:' + str(objective_fn(x0))) if False: result = np.load(output_dir + '/' + demo + '/optimization.npy').item() else: #''' result = minimize(objective_fn, x0, method='BFGS', tol=1e-7, options={ 'gtol': 1e-6, 'disp': True }) #''' ''' result = minimize(objective_fn, x0, method='Nelder-Mead', options={'maxiter':1}) ''' np.save(output_dir + '/' + demo + '/optimization.npy', result) print('optimized_loss:' + str(objective_fn(result.x))) print(result.x) SE30 = se3_to_SE3(result.x[0:6]) SE31 = se3_to_SE3(result.x[6:12]) ### align orientation #''' vision_SE30 = np.matmul( np.matmul(SE30, se3_to_SE3(vision_se3[0, :])), SE31) vicon_SE30 = se3_to_SE3(vicon_se3[0, :]) R_target = vicon_SE30[0:3, 0:3] R_ori = vision_SE30[0:3, 0:3] T_ori = vision_SE30[0:3, 3] SO3_align = np.matmul(R_target, np.transpose(R_ori)) ##################################################### fig = plt.figure() ax = fig.add_subplot(111, projection='3d') transformed_vision_se3 = np.zeros((0, 6)) transformed_vision_SE3 = np.zeros((0, 4, 4)) transformed_vision_plot = np.zeros((0, 3)) loss = 0 position_error = [] rotation_error = [] total_position = [] total_rotation = [] for t in range(len(vicon_se3)): ## time vicon_se3_t = vicon_se3[t, :] vision_se3_t = vision_se3[t, :] vicon_T_t = se3_to_SE3(vicon_se3[t, :]) vision_T_t = se3_to_SE3(vision_se3[t, :]) ############################### not alignment!!!!!!!!! #if supervision == 'never': # se3_rc = np.asarray([0.333653152, -0.19545771, -0.41434446, -0.16426212, 0.4854613, -0.28981152],dtype = np.float32) # g_rc = se3_to_SE3(se3_rc) # _, g_vr = util.load_vicon(data_demo_dir+'/camera_position0.npy') # SE3 = np.matmul(g_vr, g_rc) vision_T_t = np.matmul(np.matmul(SE30, vision_T_t), SE31) #vision_T_t[0:3,0:3] = np.matmul(SO3_align, vision_T_t[0:3,0:3]) vision_se3_t = SE3_to_se3(vision_T_t) #IPython.embed() transformed_vision_se3 = np.concatenate([ transformed_vision_se3, np.expand_dims(SE3_to_se3(vision_T_t), 0) ], 0) transformed_vision_plot = np.concatenate([ transformed_vision_plot, np.expand_dims(vision_T_t[0:3, 3], 0) ], 0) transformed_vision_SE3 = np.concatenate( [transformed_vision_SE3, np.expand_dims(vision_T_t, 0)], 0) loss += np.sqrt( np.sum( np.square( SE3_to_se3(vicon_T_t) - SE3_to_se3(vision_T_t)))) position_error.append( np.expand_dims( np.sqrt( np.sum( np.square(vicon_T_t[0:3, 3] - vision_T_t[0:3, 3]))), 0)) rotation_error.append( np.expand_dims( np.sqrt( np.sum( np.square(vicon_se3_t[3:6] - vision_se3_t[3:6]))), 0)) total_position.append(np.expand_dims(vicon_T_t[0:3, 3], 0)) total_rotation.append(np.expand_dims(vicon_se3_t[3:6], 0)) ax.clear() obj_vicon.apply_pose(vicon_se3_t) obj_vision.apply_pose(vision_se3_t) obj_vicon.plot(ax, scale=0.015, linewidth=3) obj_vision.plot(ax, scale=0.015, linewidth=3) ## ax.plot(vicon_plot[:t, 0], vicon_plot[:t, 1], vicon_plot[:t, 2], '--', color='r', alpha=0.5, linewidth=4) ax.plot(transformed_vision_plot[:, 0], transformed_vision_plot[:, 1], transformed_vision_plot[:, 2], color='g', alpha=0.5, linewidth=3) ### util.set_axes_equal(ax) ax.set_xlabel('x(m)') ax.set_ylabel('y(m)') ax.set_zlabel('z(m)') fig.savefig(output_dir + '/' + demo + '/%05d.png' % t) plt.close() loss = loss / len(vision_traj) position_error = np.sum(position_error) / len( vision_traj) #np.concatenate(position_error,0) rotation_error = np.sum(rotation_error) / len( vision_traj) #np.concatenate(rotation_error,0) total_position = np.concatenate(total_position, 0) total_rotation = np.concatenate(total_rotation, 0) np.savetxt(output_dir + '/' + demo + '/loss.txt', [loss]) np.savetxt(output_dir + '/' + demo + '/position_error.txt', [position_error]) np.savetxt(output_dir + '/' + demo + '/rotation_error.txt', [rotation_error]) np.savetxt(output_dir + '/' + demo + '/total_position.txt', total_position) np.savetxt(output_dir + '/' + demo + '/total_rotation.txt', total_rotation) #################### save data for jigang pickle_dict = { 'time': np.transpose(vision_time), 'se3': transformed_vision_se3, 'SE3': transformed_vision_SE3 } io.savemat(output_dir + '/' + demo + '/pickle/trajectories.mat', pickle_dict) ##################################################### if len(vision_time) > len(transformed_vision_se3): vision_time = vision_time[:len(transformed_vision_se3)] fig = plt.figure() ax1 = fig.add_subplot(311) ax1.plot(clipped_vicon_time, clipped_vicon[:, 0], '--') ax1.plot(vision_time, transformed_vision_se3[:, 0]) ax1.set_title('se3[0:3]') ax2 = fig.add_subplot(312) ax2.plot(clipped_vicon_time, clipped_vicon[:, 1], '--') ax2.plot(vision_time, transformed_vision_se3[:, 1]) ax3 = fig.add_subplot(313) ax3.plot(clipped_vicon_time, clipped_vicon[:, 2], '--') ax3.plot(vision_time, transformed_vision_se3[:, 2]) fig.savefig(output_dir + '/' + demo + '/plot/xyz.png') ##################################################### fig = plt.figure() ax1 = fig.add_subplot(311) ax1.plot(clipped_vicon_time, clipped_vicon[:, 3], '--') ax1.plot(vision_time, transformed_vision_se3[:, 3]) ax1.set_title('se3[3:6]') ax2 = fig.add_subplot(312) ax2.plot(clipped_vicon_time, clipped_vicon[:, 4], '--') ax2.plot(vision_time, transformed_vision_se3[:, 4]) ax3 = fig.add_subplot(313) ax3.plot(clipped_vicon_time, clipped_vicon[:, 5], '--') ax3.plot(vision_time, transformed_vision_se3[:, 5]) fig.savefig(output_dir + '/' + demo + '/plot/wxwywz.png') plt.close() ##################################################### diff_vicon = ( clipped_vicon[1:, :] - clipped_vicon[:-1, :]) / np.expand_dims( clipped_vicon_time[1:] - clipped_vicon_time[:-1], 1) diff_vision = (transformed_vision_se3[1:, :] - transformed_vision_se3[:-1, :]) / np.expand_dims( vision_time[1:] - vision_time[:-1], 1) fig = plt.figure() ax1 = fig.add_subplot(311) ax1.plot(clipped_vicon_time[:-1], diff_vicon[:, 0], '--') ax1.plot(vision_time[:-1], diff_vision[:, 0]) ax1.set_title('diff_se3[0:3]') ax1.set_ylim([-0.5, 0.5]) ax2 = fig.add_subplot(312) ax2.plot(clipped_vicon_time[:-1], diff_vicon[:, 1], '--') ax2.plot(vision_time[:-1], diff_vision[:, 1]) ax2.set_ylim([-0.5, 0.5]) ax3 = fig.add_subplot(313) ax3.plot(clipped_vicon_time[:-1], diff_vicon[:, 2], '--') ax3.plot(vision_time[:-1], diff_vision[:, 2]) ax3.set_ylim([-0.5, 0.5]) fig.savefig(output_dir + '/' + demo + '/plot/diff_xyz.png') plt.close() ##################################################### fig = plt.figure() ax1 = fig.add_subplot(311) ax1.plot(clipped_vicon_time[:-1], diff_vicon[:, 3], '--') ax1.plot(vision_time[:-1], diff_vision[:, 3]) ax1.set_title('diff_se3[0:3]') ax1.set_ylim([-0.5, 0.5]) ax2 = fig.add_subplot(312) ax2.plot(clipped_vicon_time[:-1], diff_vicon[:, 4], '--') ax2.plot(vision_time[:-1], diff_vision[:, 4]) ax2.set_ylim([-0.5, 0.5]) ax3 = fig.add_subplot(313) ax3.plot(clipped_vicon_time[:-1], diff_vicon[:, 5], '--') ax3.plot(vision_time[:-1], diff_vision[:, 5]) ax3.set_ylim([-0.5, 0.5]) fig.savefig(output_dir + '/' + demo + '/plot/diff_wxwywz.png') plt.close() ##################################################### video_path = output_dir + '/' + demo + '/se3_compare.avi' util.frame_to_video(output_dir + '/' + demo, video_path, 'png', fps=fps)()