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| import sys | |
| sys.path.append('droid_slam') | |
| from tqdm import tqdm | |
| import numpy as np | |
| import torch | |
| import lietorch | |
| import cv2 | |
| import os | |
| import glob | |
| import time | |
| import argparse | |
| import torch.nn.functional as F | |
| from droid import Droid | |
| import matplotlib.pyplot as plt | |
| def show_image(image): | |
| image = image.permute(1, 2, 0).cpu().numpy() | |
| cv2.imshow('image', image / 255.0) | |
| cv2.waitKey(1) | |
| def image_stream(datapath, use_depth=False, stride=1): | |
| """ image generator """ | |
| fx, fy, cx, cy = np.loadtxt(os.path.join(datapath, 'calibration.txt')).tolist() | |
| image_list = sorted(glob.glob(os.path.join(datapath, 'rgb', '*.png')))[::stride] | |
| depth_list = sorted(glob.glob(os.path.join(datapath, 'depth', '*.png')))[::stride] | |
| for t, (image_file, depth_file) in enumerate(zip(image_list, depth_list)): | |
| image = cv2.imread(image_file) | |
| depth = cv2.imread(depth_file, cv2.IMREAD_ANYDEPTH) / 5000.0 | |
| h0, w0, _ = image.shape | |
| h1 = int(h0 * np.sqrt((384 * 512) / (h0 * w0))) | |
| w1 = int(w0 * np.sqrt((384 * 512) / (h0 * w0))) | |
| image = cv2.resize(image, (w1, h1)) | |
| image = image[:h1-h1%8, :w1-w1%8] | |
| image = torch.as_tensor(image).permute(2, 0, 1) | |
| depth = torch.as_tensor(depth) | |
| depth = F.interpolate(depth[None,None], (h1, w1)).squeeze() | |
| depth = depth[:h1-h1%8, :w1-w1%8] | |
| intrinsics = torch.as_tensor([fx, fy, cx, cy]) | |
| intrinsics[0::2] *= (w1 / w0) | |
| intrinsics[1::2] *= (h1 / h0) | |
| if use_depth: | |
| yield t, image[None], depth, intrinsics | |
| else: | |
| yield t, image[None], intrinsics | |
| if __name__ == '__main__': | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("--datapath") | |
| parser.add_argument("--weights", default="droid.pth") | |
| parser.add_argument("--buffer", type=int, default=1024) | |
| parser.add_argument("--image_size", default=[240, 320]) | |
| parser.add_argument("--disable_vis", action="store_true") | |
| parser.add_argument("--beta", type=float, default=0.5) | |
| parser.add_argument("--filter_thresh", type=float, default=2.0) | |
| parser.add_argument("--warmup", type=int, default=8) | |
| parser.add_argument("--keyframe_thresh", type=float, default=3.5) | |
| parser.add_argument("--frontend_thresh", type=float, default=16.0) | |
| parser.add_argument("--frontend_window", type=int, default=16) | |
| parser.add_argument("--frontend_radius", type=int, default=1) | |
| parser.add_argument("--frontend_nms", type=int, default=0) | |
| parser.add_argument("--stereo", action="store_true") | |
| parser.add_argument("--depth", action="store_true") | |
| parser.add_argument("--backend_thresh", type=float, default=22.0) | |
| parser.add_argument("--backend_radius", type=int, default=2) | |
| parser.add_argument("--backend_nms", type=int, default=3) | |
| args = parser.parse_args() | |
| torch.multiprocessing.set_start_method('spawn') | |
| print("Running evaluation on {}".format(args.datapath)) | |
| print(args) | |
| # this can usually be set to 2-3 except for "camera_shake" scenes | |
| # set to 2 for test scenes | |
| stride = 1 | |
| tstamps = [] | |
| for (t, image, depth, intrinsics) in tqdm(image_stream(args.datapath, use_depth=True, stride=stride)): | |
| if not args.disable_vis: | |
| show_image(image[0]) | |
| if t == 0: | |
| args.image_size = [image.shape[2], image.shape[3]] | |
| droid = Droid(args) | |
| droid.track(t, image, depth, intrinsics=intrinsics) | |
| traj_est = droid.terminate(image_stream(args.datapath, use_depth=False, stride=stride)) | |
| ### run evaluation ### | |
| print("#"*20 + " Results...") | |
| import evo | |
| from evo.core.trajectory import PoseTrajectory3D | |
| from evo.tools import file_interface | |
| from evo.core import sync | |
| import evo.main_ape as main_ape | |
| from evo.core.metrics import PoseRelation | |
| image_path = os.path.join(args.datapath, 'rgb') | |
| images_list = sorted(glob.glob(os.path.join(image_path, '*.png')))[::stride] | |
| tstamps = [float(x.split('/')[-1][:-4]) for x in images_list] | |
| traj_est = PoseTrajectory3D( | |
| positions_xyz=traj_est[:,:3], | |
| orientations_quat_wxyz=traj_est[:,3:], | |
| timestamps=np.array(tstamps)) | |
| gt_file = os.path.join(args.datapath, 'groundtruth.txt') | |
| traj_ref = file_interface.read_tum_trajectory_file(gt_file) | |
| traj_ref, traj_est = sync.associate_trajectories(traj_ref, traj_est) | |
| result = main_ape.ape(traj_ref, traj_est, est_name='traj', | |
| pose_relation=PoseRelation.translation_part, align=True, correct_scale=False) | |
| print(result.stats) | |