def associate(self, offset=0.0, max_difference=0.02):
self.first_list = associate.read_file_list(self.groundtruthfile)
self.second_list = associate.read_file_list(self.resultsfile)
self.matches = associate.associate(self.first_list, self.second_list,
float(offset),
float(max_difference))
if len(self.matches) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
def rmse(first_file, second_file):
first_list = associate.read_file_list(first_file)
second_list = associate.read_file_list(second_file)
matches = associate.associate(first_list, second_list, 0.0, 0.02)
if len(matches) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]]
for a, b in matches]).transpose()
second_xyz = numpy.matrix([[float(value) for value in second_list[b][0:3]]
for a, b in matches]).transpose()
rot, trans, trans_error = align(second_xyz, first_xyz)
return numpy.sqrt(numpy.dot(trans_error, trans_error) / len(trans_error))
def main():
defaultgroundtruth = 'rgbd_dataset_freiburg3_long_office_household/groundtruth.txt'
default_rgb = 'rgbd_dataset_freiburg3_long_office_household/rgb.txt'
default_depth = 'rgbd_dataset_freiburg3_long_office_household/depth.txt'
default_output = 'rgbd_dataset_freiburg3_long_office_household'
# Parse command line argument
p = argparse.ArgumentParser()
p.add_argument('--groundtruth_file', default=defaultgroundtruth)
p.add_argument('--rgb_file', default=default_rgb)
p.add_argument('--depth_file', default=default_depth)
p.add_argument('--output_path', default=default_output)
args = p.parse_args()
# Associate 3 files
assc_data = associate(args.groundtruth_file, [args.rgb_file, args.depth_file])
# Parse data
n_samples = len(assc_data)
base_path_rgb = os.path.dirname(args.rgb_file)
base_path_depth = os.path.dirname(args.depth_file)
timestamps = np.zeros(n_samples, dtype='float32')
gtruth = np.zeros((n_samples, 7), dtype='float32')
rgb = np.zeros((n_samples, 3, 480, 640), dtype='uint8')
depth = np.zeros((n_samples, 1, 480, 640), dtype='uint16')
for i, d in enumerate(assc_data):
print('processing {}/{}'.format(i+1, n_samples))
timestamps[i] = d[0][0]
gtruth[i] = map(float, d[0][1:])
rgb_img = Image.open(open(os.path.join(base_path_rgb, d[1][1])))
rgb[i] = img_to_array(rgb_img, 'uint8')
depth_img = Image.open(open(os.path.join(base_path_depth, d[2][1])))
depth[i] = img_to_array(depth_img, 'uint16')
print(np.max(depth))
# Save
np.savez(args.output_path,
timestamps=timestamps, groundtruth=gtruth, rgb=rgb, depth=depth)
if not os.path.exists(filename_zip):
print('Downloading dataset file ', filename_zip)
testfile = URLopener()
testfile.retrieve(dataset_url, filename_zip)
if not os.path.exists(filename):
print('Extracting dataset ', filename)
tar = tarfile.open(filename_zip, "r:gz")
tar.extractall()
tar.close()
if not os.path.exists(filename + '/depth_gt.txt'):
first_list = associate.read_file_list(filename + '/depth.txt')
second_list = associate.read_file_list(filename + '/groundtruth.txt')
matches = associate.associate(first_list, second_list, 0.0, 0.02)
f = open(filename + '/depth_gt.txt', 'w')
for a, b in matches:
f.write(
"%f %s %f %s\n" %
(a, " ".join(first_list[a]), b - 0.0, " ".join(second_list[b])))
f.close()
print('Dataset is ready.')
os.system(
'rosrun ewok_ring_buffer tum_rgbd_ring_buffer_example rgbd_dataset_freiburg2_pioneer_slam res.txt'
)
print('Results are ready.')
parser.add_argument('--offset', help='time offset added to the timestamps of the second file (default: 0.0)',default=0.0)
parser.add_argument('--scale', help='scaling factor for the second trajectory (default: 1.0)',default=1.0)
parser.add_argument('--max_difference', help='maximally allowed time difference for matching entries (default: 0.02)',default=0.02)
parser.add_argument('--save', help='save aligned second trajectory to disk (format: stamp2 x2 y2 z2)')
parser.add_argument('--save_associations', help='save associated first and aligned second trajectory to disk (format: stamp1 x1 y1 z1 stamp2 x2 y2 z2)')
parser.add_argument('--plot', help='plot the first and the aligned second trajectory to an image (format: png)')
parser.add_argument('--verbose', help='print all evaluation data (otherwise, only the RMSE absolute translational error in meters after alignment will be printed)', action='store_true')
args = parser.parse_args()
first_list = associate.read_file_list(args.first_file)
second_list = associate.read_file_list(args.second_file)
if args.interpolate:
first_list = interpolate_and_resample(first_list,list(second_list.keys()),float(args.offset),float(args.max_difference)*2)
matches = associate.associate(first_list, second_list,float(args.offset),float(args.max_difference))
if len(matches)<2:
sys.exit("Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?")
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]] for a,b in matches]).transpose()
second_xyz = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for a,b in matches]).transpose()
rot,trans,trans_error = align(second_xyz,first_xyz)
second_xyz_aligned = rot * second_xyz + trans
first_stamps = first_list.keys()
first_stamps.sort()
first_xyz_full = numpy.matrix([[float(value) for value in first_list[b][0:3]] for b in first_stamps]).transpose()
def evaluate(first_file, second_file):
first_list = associate.read_file_list(first_file)
second_list = associate.read_file_list(second_file)
matches = associate.associate(first_list, second_list, 0.0, 0.02)
if len(matches) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]]
for a, b in matches]).transpose()
second_xyz = numpy.matrix(
[[float(value) * float(1.0) for value in second_list[b][0:3]]
for a, b in matches]).transpose()
first_quat = numpy.matrix([[float(value) for value in first_list[a][3:7]]
for a, b in matches])
second_quat = numpy.matrix(
[[float(value) * float(1.0) for value in second_list[b][3:7]]
for a, b in matches])
first_quats = []
rot, trans, trans_error = align(second_xyz, first_xyz)
for quat_1 in first_quat:
quat_1_array = numpy.squeeze(numpy.asarray(quat_1))
quat_constr = quat(quat_1_array[3], quat_1_array[0], quat_1_array[1],
quat_1_array[2])
first_quats.append(quat_constr)
counter = 0
rot_errors = []
for quat_1 in second_quat:
quat_1_array = numpy.squeeze(numpy.asarray(quat_1))
quat_constr = quat(quat_1_array[3], quat_1_array[0], quat_1_array[1],
quat_1_array[2])
orientation_aligned = first_quats[
counter].inverse.rotation_matrix * rot * quat_constr.rotation_matrix
rot_errors.append(angle(orientation_aligned))
counter += 1
first_stamps = sorted(first_list)
second_stamps = sorted(second_list)
second_xyz_full = numpy.matrix(
[[float(value) for value in second_list[b][0:3]]
for b in second_stamps]).transpose()
print("compared_pose_pairs " + str(len(trans_error)) + " pairs")
print("alignment transformation R + t is")
print(rot)
print(trans)
print("absolute_translational_error.rmse " + str(
numpy.sqrt(numpy.dot(trans_error, trans_error) / len(trans_error))) +
" m")
print("absolute_translational_error.mean " + str(numpy.mean(trans_error)) +
" m")
print("absolute_translational_error.median " +
str(numpy.median(trans_error)) + " m")
print("absolute_translational_error.std " + str(numpy.std(trans_error)) +
" m")
print("absolute_translational_error.min " + str(numpy.min(trans_error)) +
" m")
print("absolute_translational_error.max " + str(numpy.max(trans_error)) +
" m")
print()
print("absolute_rotational_error.rmse " +
str(numpy.sqrt(numpy.dot(rot_errors, rot_errors) /
len(rot_errors))) + " rad")
print("absolute_rotational_error.mean " + str(numpy.mean(rot_errors)) +
" rad")
print("absolute_rotational_error.median " + str(numpy.median(rot_errors)) +
" rad")
print("absolute_rotational_error.std " + str(numpy.std(rot_errors)) +
" rad")
print("absolute_rotational_error.min " + str(numpy.min(rot_errors)) +
" rad")
print("absolute_rotational_error.max " + str(numpy.max(rot_errors)) +
" rad")
return numpy.sqrt(numpy.dot(trans_error, trans_error) /
len(trans_error)), numpy.sqrt(
numpy.dot(rot_errors, rot_errors) / len(rot_errors))
def evaluate_ate(first_list, second_list, _args=""):
# parse command line
parser = argparse.ArgumentParser(
description=
'This script computes the absolute trajectory error from the ground truth trajectory and the estimated trajectory.'
)
# parser.add_argument('first_file', help='ground truth trajectory (format: timestamp tx ty tz qx qy qz qw)')
# parser.add_argument('second_file', help='estimated trajectory (format: timestamp tx ty tz qx qy qz qw)')
parser.add_argument(
'--offset',
help=
'time offset added to the timestamps of the second file (default: 0.0)',
default=0.0)
parser.add_argument(
'--scale',
help='scaling factor for the second trajectory (default: 1.0)',
default=1.0)
parser.add_argument(
'--max_difference',
help=
'maximally allowed time difference for matching entries (default: 0.02)',
default=0.02)
parser.add_argument(
'--save',
help='save aligned second trajectory to disk (format: stamp2 x2 y2 z2)'
)
parser.add_argument(
'--save_associations',
help=
'save associated first and aligned second trajectory to disk (format: stamp1 x1 y1 z1 stamp2 x2 y2 z2)'
)
parser.add_argument(
'--plot',
help=
'plot the first and the aligned second trajectory to an image (format: png)'
)
parser.add_argument(
'--verbose',
help=
'print all evaluation data (otherwise, only the RMSE absolute translational error in meters after alignment will be printed)',
action='store_true')
args = parser.parse_args(_args)
# first_list = associate.read_file_list(args.first_file)
# second_list = associate.read_file_list(args.second_file)
matches = associate.associate(first_list, second_list, float(args.offset),
float(args.max_difference))
if len(matches) < 2:
raise ValueError(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]]
for a, b in matches]).transpose()
second_xyz = numpy.matrix(
[[float(value) * float(args.scale) for value in second_list[b][0:3]]
for a, b in matches]).transpose()
rot, trans, trans_error = align(second_xyz, first_xyz)
second_xyz_aligned = rot * second_xyz + trans
first_stamps = list(first_list.keys())
first_stamps.sort()
first_xyz_full = numpy.matrix(
[[float(value) for value in first_list[b][0:3]]
for b in first_stamps]).transpose()
second_stamps = list(second_list.keys())
second_stamps.sort()
second_xyz_full = numpy.matrix(
[[float(value) * float(args.scale) for value in second_list[b][0:3]]
for b in second_stamps]).transpose()
second_xyz_full_aligned = rot * second_xyz_full + trans
if args.verbose:
print("compared_pose_pairs %d pairs" % (len(trans_error)))
print(
"absolute_translational_error.rmse %f m" %
numpy.sqrt(numpy.dot(trans_error, trans_error) / len(trans_error)))
print("absolute_translational_error.mean %f m" %
numpy.mean(trans_error))
print("absolute_translational_error.median %f m" %
numpy.median(trans_error))
print("absolute_translational_error.std %f m" % numpy.std(trans_error))
print("absolute_translational_error.min %f m" % numpy.min(trans_error))
print("absolute_translational_error.max %f m" % numpy.max(trans_error))
if args.save_associations:
file = open(args.save_associations, "w")
file.write("\n".join([
"%f %f %f %f %f %f %f %f" % (a, x1, y1, z1, b, x2, y2, z2)
for (a, b), (x1, y1,
z1), (x2, y2,
z2) in zip(matches,
first_xyz.transpose().A,
second_xyz_aligned.transpose().A)
]))
file.close()
if args.save:
file = open(args.save, "w")
file.write("\n".join([
"%f " % stamp + " ".join(["%f" % d for d in line])
for stamp, line in zip(second_stamps,
second_xyz_full_aligned.transpose().A)
]))
file.close()
if args.plot:
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import matplotlib.pylab as pylab
from matplotlib.patches import Ellipse
fig = plt.figure()
ax = fig.add_subplot(111)
plot_traj(ax, first_stamps,
first_xyz_full.transpose().A, '-', "black", "ground truth")
plot_traj(ax, second_stamps,
second_xyz_full_aligned.transpose().A, '-', "blue",
"estimated")
label = "difference"
for (a, b), (x1, y1,
z1), (x2, y2,
z2) in zip(matches,
first_xyz.transpose().A,
second_xyz_aligned.transpose().A):
ax.plot([x1, x2], [y1, y2], '-', color="red", label=label)
label = ""
ax.legend()
ax.set_xlabel('x [m]')
ax.set_ylabel('y [m]')
plt.savefig(args.plot, dpi=90)
return {
"compared_pose_pairs": (len(trans_error)),
"absolute_translational_error.rmse":
numpy.sqrt(numpy.dot(trans_error, trans_error) / len(trans_error)),
"absolute_translational_error.mean":
numpy.mean(trans_error),
"absolute_translational_error.median":
numpy.median(trans_error),
"absolute_translational_error.std":
numpy.std(trans_error),
"absolute_translational_error.min":
numpy.min(trans_error),
"absolute_translational_error.max":
numpy.max(trans_error),
}
def align_sim3(model, data):
"""Implementation of the paper: S. Umeyama, Least-Squares Estimation
of Transformation Parameters Between Two Point Patterns,
IEEE Trans. Pattern Anal. Mach. Intell., vol. 13, no. 4, 1991.
Input:
model -- first trajectory (3xn)
data -- second trajectory (3xn)
Output:
s -- scale factor (scalar)
R -- rotation matrix (3x3)
t -- translation vector (3x1)
t_error -- translational error per point (1xn)
"""
# substract mean
mu_M = model.mean(0).reshape(model.shape[0],1)
mu_D = data.mean(0).reshape(data.shape[0],1)
model_zerocentered = model - mu_M
data_zerocentered = data - mu_D
n = np.shape(model)[0]
# correlation
C = 1.0/n*np.dot(model_zerocentered.transpose(), data_zerocentered)
sigma2 = 1.0/n*np.multiply(data_zerocentered,data_zerocentered).sum()
U_svd,D_svd,V_svd = np.linalg.linalg.svd(C)
D_svd = np.diag(D_svd)
V_svd = np.transpose(V_svd)
S = np.eye(3)
if(np.linalg.det(U_svd)*np.linalg.det(V_svd) < 0):
S[2,2] = -1
R = np.dot(U_svd, np.dot(S, np.transpose(V_svd)))
s = 1.0/sigma2*np.trace(np.dot(D_svd, S))
t = mu_M-s*np.dot(R,mu_D)
# TODO:
model_aligned = s * R * model + t
alignment_error = model_aligned - data
t_error = np.sqrt(np.sum(np.multiply(alignment_error,alignment_error),0)).A[0]
#return s, R, t #, t_error
return s, R, t, t_erro
# 欧式变换误差
"""
由于真实轨迹录制时的坐标系和算法一开始的坐标系存在差异，
所以算法估计的相机轨迹和真实轨迹之间存在一个欧式变换，
所以按照对估计值和真实值进行配准后，
需要求解真实值和匹配的估计值之间的一个欧式变换。
对估计值进行变换后再与真实值计算差值。
"""
def align(model,data):
"""Align two trajectories using the method of Horn (closed-form).
匹配误差计算====
Input:
model -- first trajectory (3xn) 估计值
data -- second trajectory (3xn) 真值=
Output:
rot -- rotation matrix (3x3) 两数据的旋转平移矩阵
trans -- translation vector (3x1)
trans_error -- translational error per point (1xn) 匹配误差
"""
numpy.set_printoptions(precision=3,suppress=True)
model_zerocentered = model - model.mean(1) # 去均值===
data_zerocentered = data - data.mean(1)
W = numpy.zeros( (3,3) )#
for column in range(model.shape[1]):
W += numpy.outer(model_zerocentered[:,column],data_zerocentered[:,column])
# outer() 前一个参数表示 后一个参数扩大倍数
# https://blog.csdn.net/hqh131360239/article/details/79064592
U,d,Vh = numpy.linalg.linalg.svd(W.transpose())# 奇异值分解
S = numpy.matrix(numpy.identity( 3 ))# 单位阵
if(numpy.linalg.det(U) * numpy.linalg.det(Vh)<0):
S[2,2] = -1
rot = U*S*Vh
trans = data.mean(1) - rot * model.mean(1)
model_aligned = rot * model + trans
alignment_error = model_aligned - data
# err = sqrt((x-x')^2 + (y-y')^2 + (z-z')^2)
trans_error = numpy.sqrt(numpy.sum(numpy.multiply(alignment_error,alignment_error),0)).A[0]
return rot,trans,trans_error
def plot_traj(ax,stamps,traj,style,color,label):
"""
Plot a trajectory using matplotlib.
2D图
Input:
ax -- the plot
stamps -- time stamps (1xn)
traj -- trajectory (3xn)
style -- line style
color -- line color
label -- plot legend
"""
stamps.sort()
interval = numpy.median([s-t for s,t in zip(stamps[1:],stamps[:-1])])
x = []
y = []
last = stamps[0]
for i in range(len(stamps)):
if stamps[i]-last < 2*interval:
x.append(traj[i][0])
y.append(traj[i][1])
elif len(x)>0:
ax.plot(x,y,style,color=color,label=label)
label=""
x=[]
y=[]
last= stamps[i]
if len(x)>0:
ax.plot(x,y,style,color=color,label=label)
def plot_traj3D(ax,stamps,traj,style,color,label):
"""
Plot a trajectory using matplotlib.
3D图
Input:
ax -- the plot
stamps -- time stamps (1xn)
traj -- trajectory (3xn)
style -- line style
color -- line color
label -- plot legend
"""
stamps.sort()
interval = numpy.median([s-t for s,t in zip(stamps[1:],stamps[:-1])])
x = []
y = []
z = []
last = stamps[0]
for i in range(len(stamps)):
if stamps[i]-last < 2*interval:
x.append(traj[i][0])
y.append(traj[i][1])
z.append(traj[i][2])
elif len(x)>0:
ax.plot(x,y,z,style,color=color,label=label)
label=""
x=[]
y=[]
z=[]
last= stamps[i]
if len(x)>0:
ax.plot(x,y,z,style,color=color,label=label)
if __name__=="__main__":
# parse command line
# 解析命令行参数
parser = argparse.ArgumentParser(description='''
This script computes the absolute trajectory error from the ground truth trajectory and the estimated trajectory.
''')
parser.add_argument('first_file', help='ground truth trajectory (format: timestamp tx ty tz qx qy qz qw)')
parser.add_argument('second_file', help='estimated trajectory (format: timestamp tx ty tz qx qy qz qw)')
parser.add_argument('--offset', help='time offset added to the timestamps of the second file (default: 0.0)',default=0.0)
parser.add_argument('--scale', help='scaling factor for the second trajectory (default: 1.0)',default=1.0)
parser.add_argument('--max_difference', help='maximally allowed time difference for matching entries (default: 0.02)',default=0.02)
parser.add_argument('--save', help='save aligned second trajectory to disk (format: stamp2 x2 y2 z2)')
parser.add_argument('--save_associations', help='save associated first and aligned second trajectory to disk (format: stamp1 x1 y1 z1 stamp2 x2 y2 z2)')
parser.add_argument('--plot', help='plot the first and the aligned second trajectory to an image (format: png)')
parser.add_argument('--plot3D', help='plot the first and the aligned second trajectory to as interactive 3D plot (format: png)', action = 'store_true')
parser.add_argument('--verbose', help='print all evaluation data (otherwise, only the RMSE absolute translational error in meters after alignment will be printed)', action='store_true')
args = parser.parse_args()
# 读取数据
first_list = associate.read_file_list(args.first_file)
second_list = associate.read_file_list(args.second_file)
# 按照时间戳进行匹配，最大差值不能超过 max_difference 0.02
#
matches = associate.associate(first_list, second_list,float(args.offset),float(args.max_difference))
if len(matches)<2:
sys.exit("Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?")
# 按照匹配对 仅取出x、y、z位置信息
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]] for a,b in matches]).transpose()
second_xyz = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for a,b in matches]).transpose()
# 对匹配后的位置坐标求解误差====
rot,trans,trans_error = align(second_xyz,first_xyz)
# 相互匹配误差线
second_xyz_aligned = rot * second_xyz + trans
first_stamps = first_list.keys()
first_stamps.sort()
first_xyz_full = numpy.matrix([[float(value) for value in first_list[b][0:3]] for b in first_stamps]).transpose()
second_stamps = second_list.keys()
second_stamps.sort()
second_xyz_full = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for b in second_stamps]).transpose()
second_xyz_full_aligned = rot * second_xyz_full + trans
if args.verbose:
print "compared_pose_pairs %d pairs"%(len(trans_error))
# 均方根误差 误差平方均值 再开根号
print "absolute_translational_error.rmse %f m"%numpy.sqrt(numpy.dot(trans_error,trans_error) / len(trans_error))
# 误差均值
print "absolute_translational_error.mean %f m"%numpy.mean(trans_error)
# 误差中值
print "absolute_translational_error.median %f m"%numpy.median(trans_error)
# 误差标准差
print "absolute_translational_error.std %f m"%numpy.std(trans_error)
# 误差最小值
print "absolute_translational_error.min %f m"%numpy.min(trans_error)
# 误差最大值
print "absolute_translational_error.max %f m"%numpy.max(trans_error)
else:
print "%f"%numpy.sqrt(numpy.dot(trans_error,trans_error) / len(trans_error))
if args.save_associations:
file = open(args.save_associations,"w")
file.write("\n".join(["%f %f %f %f %f %f %f %f"%(a,x1,y1,z1,b,x2,y2,z2) for (a,b),(x1,y1,z1),(x2,y2,z2) in zip(matches,first_xyz.transpose().A,second_xyz_aligned.transpose().A)]))
file.close()
if args.save:
file = open(args.save,"w")
file.write("\n".join(["%f "%stamp+" ".join(["%f"%d for d in line]) for stamp,line in zip(second_stamps,second_xyz_full_aligned.transpose().A)]))
file.close()
if args.plot:
# 绘制2D图=====
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import matplotlib.pylab as pylab
from matplotlib.patches import Ellipse
fig = plt.figure()
ax = fig.add_subplot(111)
plot_traj(ax,first_stamps,first_xyz_full.transpose().A,'-',"black","ground truth")
plot_traj(ax,second_stamps,second_xyz_full_aligned.transpose().A,'-',"blue","estimated")
# 误差线
#label="difference"
#for (a,b),(x1,y1,z1),(x2,y2,z2) in zip(matches,first_xyz.transpose().A,second_xyz_aligned.transpose().A):
# ax.plot([x1,x2],[y1,y2],'-',color="red",label=label)
# label=""
ax.legend()
ax.set_xlabel('x [m]')
ax.set_ylabel('y [m]')
plt.savefig(args.plot,dpi=90)
if args.plot3D:
# 绘制3D图======
import matplotlib as mpl
mpl.use('Qt4Agg')
from mpl_toolkits.mplot3d import Axes3D
import numpy as np
import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.gca(projection='3d')
# ax = fig.add_subplot(111)
plot_traj3D(ax,first_stamps,first_xyz_full.transpose().A,'-',"black","groundTruth")
plot_traj3D(ax,second_stamps,second_xyz_full_aligned.transpose().A,'-',"blue","orb-slam2-flow")
# 误差线
#label="difference"
#for (a,b),(x1,y1,z1),(x2,y2,z2) in zip(matches,first_xyz.transpose().A,second_xyz_aligned.transpose().A):
# ax.plot([x1,x2],[y1,y2],[z1,z2],'-',color="red",label=label)
# label=""
ax.legend()
ax.set_xlabel('x [m]')
ax.set_ylabel('y [m]')
print "Showing"
plt.show(block=True)
plt.savefig("./test.png",dpi=90)
def compare_traj(namelist, dirlist, gt_dir, save_dir=None, plot=False):
if len(dirlist) < 2 or len(dirlist) != len(namelist):
return
if save_dir is not None:
if not os.path.exists(save_dir):
os.makedirs(save_dir)
valid_path = []
for path in dirlist:
files = [
x for x in os.listdir(path) if x[:4] == 'est_' and x[-4:] == '.txt'
]
if not os.path.isdir(path) or len(files) == 0:
print('Invalid path:%s' % path)
continue
valid_path.append(path)
colors = [
'red', 'blue', 'green', 'purple', 'pink', 'sienna', 'gray', 'yellow',
'black', 'gold', 'darkcyan'
]
datanames = sorted([
x[4:-4] for x in os.listdir(dirlist[0])
if x[:4] == 'est_' and x[-4:] == '.txt'
])
for dataname in datanames:
plt.figure()
plt.title(dataname)
gt_file = os.path.join(gt_dir, '%s.txt' % dataname)
gt_list = associate.read_file_list(gt_file)
gt_stamps = gt_list.keys()
gt_stamps.sort()
gt_traj = np.matrix([[float(value) for value in gt_list[b][0:3]]
for b in gt_stamps]).transpose()
plt.plot(gt_traj[0, :].T,
gt_traj[1, :].T,
colors[0],
label='ground truth')
plt.plot(gt_traj[0, 0], gt_traj[1, 0], 'yp', markersize=8)
cidx = 1
for name, path in zip(namelist, dirlist):
traj_file = os.path.join(path, 'est_%s.txt' % dataname)
if not os.path.exists(traj_file):
continue
traj_list = associate.read_file_list(traj_file)
matches = associate.associate(gt_list, traj_list, 0, 0.02)
if len(matches) < 2:
continue
gt_xyz = np.matrix([[float(value) for value in gt_list[a][0:3]]
for a, b in matches]).transpose()
traj_xyz = np.matrix(
[[float(value) for value in traj_list[b][0:3]]
for a, b in matches]).transpose()
rot, trans, trans_error = align(traj_xyz, gt_xyz)
aligned_traj = rot * traj_xyz + trans
if np.max(trans_error) < 100:
plt.plot(aligned_traj[0, :].T,
aligned_traj[1, :].T,
colors[cidx % len(colors)],
label=name)
cidx += 1
plt.legend()
if save_dir is not None:
plt.savefig(os.path.join(save_dir, '%s.png' % dataname))
if plot:
plt.show()
# config -------------------------------------------------------------------------
trace_name='ptam_i7_rig3'
n_align_frames = 300
img_prefix = '../trace/'+trace_name+'/'+trace_name+'_'
traj_groundtruth = '../trace/'+trace_name+'/traj_groundtruth.txt'
traj_estimate = '../trace/'+trace_name+'/traj_estimate.txt'
#---------------------------------------------------------------------------------
first_list = associate.read_file_list(traj_groundtruth)
second_list = associate.read_file_list(traj_estimate)
matches = associate.associate(first_list, second_list,float(0.0),float(0.02))
if len(matches)<2:
sys.exit("Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?")
# read data in nupmy matrix
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]] for a,b in matches]).transpose()
second_xyz = numpy.matrix([[float(value) for value in second_list[b][0:3]] for a,b in matches]).transpose()
# align Sim3
scale,rot,trans,trans_error = compare_two_trajectories.alignSim3(first_xyz,second_xyz, n_align_frames)
second_xyz_aligned = scale*rot*second_xyz+trans
alignment_error = second_xyz_aligned - first_xyz
trans_error = numpy.sqrt(numpy.sum(numpy.multiply(alignment_error,alignment_error),0)).A[0]
print 's='+str(scale)
def evaluate_ate(first_timetraj,
second_timetraj,
offset=0.0,
max_difference=0.02,
save_associations=None,
plot=None,
major_axes=None,
plot_3d=None,
verbose=False):
"""
Copmute ATE
Input:
first_list -- {time stamp: pose}
second_list -- {time stamp: pose}
"""
matches = associate.associate(first_timetraj, second_timetraj, offset,
max_difference)
matches = np.array(matches)
if len(matches) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and "
"estimated trajectory! Did you choose the correct sequence?")
tr_ratio = track_ratio(first_timetraj, matches)
if tr_ratio < 0.5:
print("matched trajectory is too short", tr_ratio)
raise ValueError()
# txyz: 4xn matrix = rows of timestamp, x, y, z
first_txyz, first_xyz_sync = extract_trajmatrix(first_timetraj,
matches[:, 0], major_axes)
second_txyz, second_xyz_sync = extract_trajmatrix(second_timetraj,
matches[:,
1], major_axes)
rot, trans, trans_error, first_xyz_sync, second_xyz_sync \
= align_99_percent(first_xyz_sync, second_xyz_sync, 0.01)
if np.mean(trans_error) > 100.0:
print("error is too large:", np.mean(trans_error))
raise ValueError()
first_xyz_sync, second_xyz_sync = reduce_matches(first_xyz_sync,
second_xyz_sync)
second_txyz[1:, :] = rot * second_txyz[1:, :] + trans
second_xyz_sync = rot * second_xyz_sync + trans
association = np.array(
[[a, x1, y1, z1, b, x2, y2, z2]
for (a, b), (x1, y1, z1), (x2, y2,
z2) in zip(matches,
first_xyz_sync.transpose().A,
second_xyz_sync.transpose().A)])
print("raw and association shapes", first_txyz.shape, first_xyz_sync.shape)
print_stats(trans_error, verbose)
if save_associations:
print("save associations:", save_associations)
np.savetxt(save_associations, association, fmt="%1.5f")
if plot:
plot2d(first_txyz, first_xyz_sync, second_txyz, second_xyz_sync, plot)
if plot_3d:
plot3d(first_txyz, first_xyz_sync, second_txyz, second_xyz_sync, plot)
association = np.array(association, dtype=np.float64)
return rot, trans, trans_error, association
def main(args) :
first_list = associate.read_file_list(args.first_file)
second_list = associate.read_file_list(args.second_file)
matches = associate.associate(first_list, second_list,float(args.offset),float(args.max_difference))
if len(matches)<2:
sys.exit("Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?")
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]] for a,b in matches]).transpose()
second_xyz = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for a,b in matches]).transpose()
rot,trans,trans_error = align(second_xyz,first_xyz)
second_xyz_aligned = rot * second_xyz + trans
first_stamps = first_list.keys()
first_stamps.sort()
first_xyz_full = numpy.matrix([[float(value) for value in first_list[b][0:3]] for b in first_stamps]).transpose()
second_stamps = second_list.keys()
second_stamps.sort()
second_xyz_full = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for b in second_stamps]).transpose()
second_xyz_full_aligned = rot * second_xyz_full + trans
if args.verbose:
print "compared_pose_pairs %d pairs"%(len(trans_error))
print "absolute_translational_error.rmse %f m"%numpy.sqrt(numpy.dot(trans_error,trans_error) / len(trans_error))
print "absolute_translational_error.mean %f m"%numpy.mean(trans_error)
print "absolute_translational_error.median %f m"%numpy.median(trans_error)
print "absolute_translational_error.std %f m"%numpy.std(trans_error)
print "absolute_translational_error.min %f m"%numpy.min(trans_error)
print "absolute_translational_error.max %f m"%numpy.max(trans_error)
else:
print "%f"%numpy.sqrt(numpy.dot(trans_error,trans_error) / len(trans_error))
if args.save_associations:
file = open(args.save_associations,"w")
file.write("\n".join(["%f %f %f %f %f %f %f %f"%(a,x1,y1,z1,b,x2,y2,z2) for (a,b),(x1,y1,z1),(x2,y2,z2) in zip(matches,first_xyz.transpose().A,second_xyz_aligned.transpose().A)]))
file.close()
if args.save:
file = open(args.save,"w")
file.write("\n".join(["%f "%stamp+" ".join(["%f"%d for d in line]) for stamp,line in zip(second_stamps,second_xyz_full_aligned.transpose().A)]))
file.close()
if args.plot:
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import matplotlib.pylab as pylab
from matplotlib.patches import Ellipse
matplotlib.rcParams.update({'font.size': 22})
fig = plt.figure()
ax = fig.add_subplot(111)
plot_traj(ax,first_stamps,first_xyz_full.transpose().A,'-',"black","ground truth")
plot_traj(ax,second_stamps,second_xyz_full_aligned.transpose().A,'-',"blue","estimated")
label="difference"
for (a,b),(x1,y1,z1),(x2,y2,z2) in zip(matches,first_xyz.transpose().A,second_xyz_aligned.transpose().A):
ax.plot([x1,x2],[y1,y2],'-',color="red",label=label)
label=""
# ax.legend()
#ax.set_xlabel('x [m]',fontsize=40)
#ax.set_ylabel('y [m]',fontsize=40)
title=args.plot.split('/')[0][13:].replace('_','/').replace('freiburg','fr')
ax.set_title(title,fontsize=40)
plt.savefig(args.plot,dpi=250)
return trans_error
def ate(first_file,
second_file,
offset=0,
max_diff=0.02,
scale=1.0,
plot=1,
save_png=None):
first_list = associate.read_file_list(first_file)
second_list = associate.read_file_list(second_file)
matches = associate.associate(first_list, second_list, float(offset),
float(max_diff))
if len(matches) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
first_xyz = np.matrix([[float(value) for value in first_list[a][0:3]]
for a, b in matches]).transpose()
second_xyz = np.matrix(
[[float(value) * float(scale) for value in second_list[b][0:3]]
for a, b in matches]).transpose()
rot, trans, trans_error = align(second_xyz, first_xyz)
first_stamps = first_list.keys()
first_stamps.sort()
first_xyz_full = np.matrix([[float(value) for value in first_list[b][0:3]]
for b in first_stamps]).transpose()
second_stamps = second_list.keys()
second_stamps.sort()
second_xyz_full = np.matrix(
[[float(value) * float(scale) for value in second_list[b][0:3]]
for b in second_stamps]).transpose()
second_xyz_full_aligned = rot * second_xyz_full + trans
rmse = np.sqrt(np.dot(trans_error, trans_error) / len(trans_error))
emean = np.mean(trans_error)
emedian = np.median(trans_error)
estd = np.std(trans_error)
emin = np.min(trans_error)
emax = np.max(trans_error)
name = os.path.basename(first_file)[:-4]
if save_png is not None or plot:
fig = plt.figure()
ax = fig.add_subplot(111)
plot_traj(ax, first_stamps,
first_xyz_full.transpose().A, '-', "red", "ground truth")
plot_traj(ax, second_stamps,
second_xyz_full_aligned.transpose().A, '-', "blue",
"estimated")
ax.legend()
ax.set_xlabel('x [m]')
ax.set_ylabel('y [m]')
plt.title(name)
if save_png is not None:
plt.savefig(save_png)
if plot:
plt.show()
return len(trans_error), rmse, emean, emedian, estd, emin, emax
groundtruth_file = sys.argv[1]
imu_file = sys.argv[2]
cmv_file = sys.argv[3]
groundtruth = associate.read_file_list(groundtruth_file, timestamp_scale=1e-9)
imu_prior = associate.read_file_list(imu_file)
cvm_prior = associate.read_file_list(cmv_file)
# convert from list to pose dictionary
groundtruth_poses = parseGroundtruth(groundtruth)
# get only the ones contained in both imu and cvm
imu_cvm_matches = associate.associate(imu_prior,
cvm_prior,
offset=0.0,
max_difference=0.007)
imu_prior = {i[0]: imu_prior[i[0]] for i in imu_cvm_matches}
cvm_prior = {i[0]: cvm_prior[i[1]] for i in imu_cvm_matches}
# get only the groundtruth contained in both imu and cvm (and the one previous to it!)
# imu_groundtruth_matches = associate.associate(imu_prior, groundtruth, offset=0.0, max_difference=0.02)
# groundtruth = {i[0]: groundtruth[ i[0] ] for i in imu_groundtruth_matches}
# to relative
# groundtruth_relative = absoluteToRelative(groundtruth)
# --------------------------------------- relative poses of imu --------------------------------------- #
imu_relative, imu_reference_timestamps = navStateToPose(imu_prior)
required_timestamps = imu_reference_timestamps.keys(
) + imu_reference_timestamps.values()
# the associate function required dict
return rot, trans, trans_error
# 读取数据=================================================================================
ground_truth_list = associate.read_file_list("./groundtruth.txt") # 真实轨迹数据
src_list = associate.read_file_list("./src.txt") # 原 orb-slam2 预测
flow_list = associate.read_file_list("./flow3.txt") # flow 光流加持
geom_list = associate.read_file_list("./geom.txt") # geom 多视角几何加持
offset = 0.0 # 时间偏移量
max_difference = 0.02 # 最大时间差值
scale = 1.0 # 数据大小尺度
# 真实值与 原版本算法预测值 进行对比====================================
# 按照时间戳进行匹配，最大差值不能超过 max_difference 0.02
matches_src = associate.associate(ground_truth_list, src_list, float(offset),
float(max_difference))
if len(matches_src) < 2:
sys.exit(
"Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?"
)
# 按照匹配对 仅取出x、y、z位置信息
gt_src_ass_xyz = numpy.matrix(
[[float(value) for value in ground_truth_list[a][0:3]]
for a, b in matches_src]).transpose()
src_ass_xyz = numpy.matrix(
[[float(value) * float(scale) for value in src_list[b][0:3]]
for a, b in matches_src]).transpose()
# 对匹配后的位置坐标求解误差====
rot, trans, trans_error = align(src_ass_xyz, gt_src_ass_xyz)
# 原数据的所有值
tar = tarfile.open('rgbd_dataset_freiburg1_xyz.tgz', 'r:gz')
for item in tar:
tar.extract(item)
print 'Done.'
except:
print "Error opening downloaded file"
#Run assoc
print "Associating timestamps"
first_list = associate.read_file_list(
"rgbd_dataset_freiburg1_xyz/groundtruth.txt")
second_list = associate.read_file_list("rgbd_dataset_freiburg1_xyz/depth.txt")
third_list = associate.read_file_list("rgbd_dataset_freiburg1_xyz/rgb.txt")
#Match Groundtruth with depth
matchesDepth = associate.associate(first_list, second_list, 0.0, 0.02)
#Convert matched groundtruth-depth timestamps to full data tuples (gtTime, qx, qy, qz, qw, tx, ty, tz, depthTime, depthFile)
matchedDepthVals = []
for a, b in matchesDepth:
matchedDepthVals.append([
val for sublist in [[a], first_list[a], [b], second_list[b]]
for val in sublist
])
#Convert tuple to dict of form {gtTime: [qx, qy, qz, qw, tx, ty, tz], depthTime: [depthFile])
matchedDepthDict = {elem[0]: elem[1:] for elem in matchedDepthVals}
#Match created tuple with color times
matchesColor = associate.associate(matchedDepthDict, third_list, 0.0, 0.02)
#Convert matched groundtruth-depth-color timestamps to full data tuples (gtTime, qx, qy, qz, qw, tx, ty, tz, depthTime, depthFile, colorTime, colorFile)
parser.add_argument('--verbose',
help='print all evaluation data (otherwise, only the RMSE absolute translational error in meters after alignment will be printed)',
action='store_true')
args = parser.parse_args()
# Get and associate data based on time
first_list = associate.read_file_list(args.first_file)
second_list = associate.read_file_list(args.second_file)
first_stamps = {}
for k in sorted(first_list):
first_stamps[k] = first_list[k]
second_stamps = {}
for k in sorted(second_list):
second_stamps[k] = second_list[k]
matches = associate.associate(first_stamps, second_stamps, float(args.offset), float(args.max_difference))
first_xyz = numpy.matrix([[float(value) for value in first_stamps[a][0:3]] for a, b in matches]).transpose()
second_xyz = numpy.matrix(
[[float(value) * float(args.scale) for value in second_stamps[b][0:3]] for a, b in matches]).transpose()
# Compute Error
alignment_error = second_xyz[:][0:2] - first_xyz[:][0:2]
trans_error = numpy.sqrt(numpy.sum(numpy.multiply(alignment_error, alignment_error), 0)).A[0]
# save trans_error
root_dir = os.path.dirname(args.err_comp)
save_dir = join(root_dir, '2d_ate_cdf')
if not os.path.exists(save_dir):
os.makedirs(save_dir)
save_path = join(save_dir, args.model + '_errcdf.csv')
def run(self):
scene = self.sim.semantic_scene
objects = scene.objects
id = 0
for obj in objects:
if obj == None or obj.category == None or obj.category.name(
) not in self.include_classes:
continue
if self.verbose:
print(f"Object name is: {obj.category.name()}")
# Calculate distance to object center
obj_center = obj.obb.to_aabb().center
obj_center = np.expand_dims(obj_center, axis=0)
distances = np.sqrt(np.sum((self.nav_pts - obj_center)**2, axis=1))
# Get points with r_min < dist < r_max
valid_pts = self.nav_pts[np.where(
(distances > self.radius_min) * (distances < self.radius_max))]
# Bin points based on angles [vertical_angle (10 deg/bin), horizontal_angle (10 deg/bin)]
valid_pts_shift = valid_pts - obj_center
dz = valid_pts_shift[:, 2]
dx = valid_pts_shift[:, 0]
dy = valid_pts_shift[:, 1]
# Get yaw for binning
valid_yaw = np.degrees(np.arctan2(dz, dx))
nbins = 200
bins = np.linspace(-180, 180, nbins + 1)
bin_yaw = np.digitize(valid_yaw, bins)
num_valid_bins = np.unique(bin_yaw).size
spawns_per_bin = 1 #int(self.num_views / num_valid_bins) + 2
print(f'spawns_per_bin: {spawns_per_bin}')
if self.visualize:
import matplotlib.cm as cm
colors = iter(cm.rainbow(np.linspace(0, 1, nbins)))
plt.figure(2)
plt.clf()
print(np.unique(bin_yaw))
for bi in range(nbins):
cur_bi = np.where(bin_yaw == (bi + 1))
points = valid_pts[cur_bi]
x_sample = points[:, 0]
z_sample = points[:, 2]
plt.plot(z_sample, x_sample, 'o', color=next(colors))
plt.plot(obj_center[:, 2],
obj_center[:, 0],
'x',
color='black')
plt.show()
action = "do_nothing"
episodes = []
valid_pts_selected = []
cnt = 0
texts_images = []
texts_depths = []
rots_cam0 = []
camXs_T_camX0_4x4 = []
camX0_T_camXs_4x4 = []
origin_T_camXs = []
origin_T_camXs_t = []
rots_cam0.append([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0])
rots_origin = []
for b in range(nbins):
# get all angle indices in the current bin range
inds_bin_cur = np.where(
bin_yaw == (b + 1)) # bins start 1 so need +1
if inds_bin_cur[0].size == 0:
print("Continuing")
break
for s in range(spawns_per_bin):
if b == 0:
np.random.seed(1)
s_ind = np.random.choice(inds_bin_cur[0])
pos_s = valid_pts[s_ind]
pos_s_prev = pos_s
else:
# get closest valid position for smooth trajectory
pos_s_cur_all = valid_pts[inds_bin_cur[0]]
distances_to_prev = np.sqrt(
np.sum((pos_s_cur_all - pos_s_prev)**2, axis=1))
argmin_s_ind_cur = np.argmin(distances_to_prev)
s_ind = inds_bin_cur[0][argmin_s_ind_cur]
pos_s = valid_pts[s_ind]
pos_s_prev = pos_s
valid_pts_selected.append(pos_s)
agent_state = habitat_sim.AgentState()
agent_state.position = pos_s + np.array([0, 1.5, 0])
# YAW calculation - rotate to object
agent_to_obj = np.squeeze(
obj_center) - agent_state.position
agent_local_forward = np.array([0, 0, -1.0]) # y, z, x
flat_to_obj = np.array(
[agent_to_obj[0], 0.0, agent_to_obj[2]])
flat_dist_to_obj = np.linalg.norm(flat_to_obj)
flat_to_obj /= flat_dist_to_obj
det = (flat_to_obj[0] * agent_local_forward[2] -
agent_local_forward[0] * flat_to_obj[2])
turn_angle = math.atan2(
det, np.dot(agent_local_forward, flat_to_obj))
quat_yaw = quat_from_angle_axis(turn_angle,
np.array([0, 1.0, 0]))
# Set agent yaw rotation to look at object
agent_state.rotation = quat_yaw
# change sensor state to default
# need to move the sensors too
if self.verbose:
print(self.agent.state.sensor_states)
for sensor in self.agent.state.sensor_states:
# st()
self.agent.state.sensor_states[
sensor].rotation = agent_state.rotation
self.agent.state.sensor_states[
sensor].position = agent_state.position # + np.array([0, 1.5, 0]) # ADDED IN UP TOP
# Calculate Pitch from head to object
turn_pitch = np.degrees(
math.atan2(agent_to_obj[1], flat_dist_to_obj))
num_turns = np.abs(
np.floor(turn_pitch / self.rot_interval)
).astype(
int
) # compute number of times to move head up or down by rot_interval
if self.verbose:
print("MOVING HEAD ", num_turns, " TIMES")
movement = "look_up" if turn_pitch > 0 else "look_down"
# initiate agent
self.agent.set_state(agent_state)
self.sim.step(action)
# Rotate "head" of agent up or down based on calculated pitch angle to object to center it in view
if num_turns == 0:
pass
else:
for turn in range(num_turns):
# st()
self.sim.step(movement)
if self.verbose:
for sensor in self.agent.state.sensor_states:
print(self.agent.state.
sensor_states[sensor].rotation)
# get observations after centiering
observations = self.sim.step(action)
# Assuming all sensors have same rotation and position
observations["rotations"] = self.agent.state.sensor_states[
'color_sensor'].rotation #agent_state.rotation
observations["positions"] = self.agent.state.sensor_states[
'color_sensor'].position
if self.is_valid_datapoint(observations, obj):
if self.verbose:
print("episode is valid......")
episodes.append(observations)
if self.visualize:
rgb = observations["color_sensor"]
semantic = observations["semantic_sensor"]
depth = observations["depth_sensor"]
self.display_sample(rgb,
semantic,
depth,
mainobj=obj,
visualize=False)
if cnt > 0:
origin_T_camX = quaternion.as_rotation_matrix(
episodes[cnt]["rotations"])
camX0_T_camX = np.matmul(camX0_T_origin, origin_T_camX)
# camX0_T_camX = np.matmul(camX0_T_origin, origin_T_camX)
origin_T_camXs.append(origin_T_camX)
origin_T_camXs_t.append(episodes[cnt]["positions"])
origin_T_camX_4x4 = np.eye(4)
origin_T_camX_4x4[0:3, 0:3] = origin_T_camX
origin_T_camX_4x4[:3, 3] = episodes[cnt]["positions"]
camX0_T_camX_4x4 = np.matmul(camX0_T_origin_4x4,
origin_T_camX_4x4)
camX_T_camX0_4x4 = self.safe_inverse_single(
camX0_T_camX_4x4)
camXs_T_camX0_4x4.append(camX_T_camX0_4x4)
camX0_T_camXs_4x4.append(camX0_T_camX_4x4)
# # trans_camX0_T_camX = episodes[cnt]["positions"] - episodes[0]["positions"]
# r_camX_T_camX0, t_camX_T_camX0, = self.split_rt_single(camX_T_camX0_4x4)
# r_camX_T_camX0_quat = quaternion.as_float_array(quaternion.from_rotation_matrix(r_camX_T_camX0))
# # print(t_camX_T_camX0)
# # print(trans_camX0_T_camX)
# # full_trans1 = np.hstack((cnt, trans, quat_diff1))
# full_trans_camX_T_camX0 = np.hstack((cnt, t_camX_T_camX0, r_camX_T_camX0_quat))
# # rots1.append(list(full_trans1))
# rots_cam0.append(list(full_trans_camX_T_camX0))
# # rots_origin.append(list(full_trans_origin))
camX0_T_camX_4x4 = self.safe_inverse_single(
camX_T_camX0_4x4)
origin_T_camX_4x4 = np.matmul(origin_T_camX0_4x4,
camX0_T_camX_4x4)
r_origin_T_camX, t_origin_T_camX, = self.split_rt_single(
origin_T_camX_4x4)
if self.verbose:
print(r_origin_T_camX)
print(origin_T_camX)
else:
origin_T_camX0_quat = episodes[0]["rotations"]
origin_T_camX0 = quaternion.as_rotation_matrix(
origin_T_camX0_quat)
camX0_T_origin = np.linalg.inv(origin_T_camX0)
# camX0_T_origin = self.safe_inverse_single(origin_T_camX0)
origin_T_camXs.append(origin_T_camX0)
origin_T_camXs_t.append(episodes[0]["positions"])
origin_T_camX0_4x4 = np.eye(4)
origin_T_camX0_4x4[0:3, 0:3] = origin_T_camX0
origin_T_camX0_4x4[:3, 3] = episodes[0]["positions"]
camX0_T_origin_4x4 = self.safe_inverse_single(
origin_T_camX0_4x4)
camXs_T_camX0_4x4.append(np.eye(4))
# r0 = quaternion.as_rotation_vector(episodes[0]["rotations"])
# quat_diff_origin = quaternion.as_float_array(episodes[0]["rotations"]) #quaternion.as_float_array(self.quaternion_from_two_vectors(self.origin_rot_vector,r0))
# full_trans_origin = np.hstack((cnt, episodes[0]["positions"], quat_diff_origin))
# rots_origin.append(list(full_trans_origin))
cnt += 1
id += 1
print("Generated ", len(episodes), " views.")
if len(episodes) < self.min_orbslam_views:
print("NOT ENOUGH VIEWS FOR ORBSLAM")
continue
if self.save_imgs:
with open(self.orbslam_path + "/" + 'rgb.txt', 'w') as f:
for item in texts_images:
f.write("%s\n" % item)
with open(self.orbslam_path + "/" + 'depth.txt', 'w') as f:
for item in texts_depths:
f.write("%s\n" % item)
# with open(self.orbslam_path + "/" + 'CamTraj1.txt', 'w') as f:
# for item in rots1:
# f.write("%s\n" % item)
# with open(self.orbslam_path + "/" + 'CamTraj.txt', 'w') as f:
# for item in rots_cam0:
# f.write("%s\n" % item)
############ ORBSLAM ################
if self.do_orbslam:
camXs_T_camX0_4x4 = np.array(camXs_T_camX0_4x4)
origin_T_camXs = np.array(origin_T_camXs)
origin_T_camXs_t = np.array(origin_T_camXs_t)
camX0_T_camXs_4x4 = np.array(camX0_T_camXs_4x4)
orbslam_dir = "/home/nel/ORB_SLAM2"
executable = os.path.join(orbslam_dir,
"Examples/RGB-D/rgbd_tum")
vocabulary_file = os.path.join(orbslam_dir,
"Vocabulary/ORBvoc.txt")
settings_file = os.path.join(orbslam_dir,
"Examples/RGB-D/REPLICA.yaml")
data_dir = os.path.join(orbslam_dir, "Examples/RGB-D/replica")
associations_file = os.path.join(
orbslam_dir, "Examples/RGB-D/associations/replica.txt")
associations_executable = os.path.join(
orbslam_dir, "Examples/RGB-D/associations/associate.py")
rgb_file = os.path.join(orbslam_dir,
"Examples/RGB-D/replica/rgb.txt")
depth_file = os.path.join(orbslam_dir,
"Examples/RGB-D/replica/depth.txt")
# associate rgb and depth files
print("ASSOCIATING FILES")
associate(rgb_file, depth_file, associations_file)
# run ORBSLAM2
print("RUNNING ORBSLAM2...")
try:
output = subprocess.run([
executable, vocabulary_file, settings_file, data_dir,
associations_file
],
capture_output=True,
text=True,
check=True,
timeout=800)
except:
print("PROCESS TIMED OUT")
continue
# load camera rotation and translation estimated by orbslam - these are wrt first frame
camXs_T_camX0_orb_output = np.loadtxt(self.ORBSLAM_Cam_Traj)
print(output)
assert len(episodes) == camXs_T_camX0_orb_output.shape[
0], f"{camXs_T_camX0_orb_output.shape[0]}, {len(episodes)}"
camXs_T_camX0_quant = []
camXs_T_camX0 = []
for i in range(camXs_T_camX0_orb_output.shape[0]):
cur = camXs_T_camX0_orb_output[i]
camX_T_camX0_quant = np.quaternion(cur[7], cur[4], cur[5],
cur[6])
camX_T_camX0 = quaternion.as_rotation_matrix(
camX_T_camX0_quant
) # Need to negative rotation because axes are flipped
camXs_T_camX0_quant.append(camX_T_camX0_quant)
camXs_T_camX0.append(camX_T_camX0)
camXs_T_camX0 = np.array(camXs_T_camX0)
camXs_T_camX0_quant = np.array(camXs_T_camX0_quant)
t = []
for i in range(camXs_T_camX0_orb_output.shape[0]):
cur = camXs_T_camX0_orb_output[i]
t_cur = np.array([-cur[1], -cur[2], -cur[3]
]) # i think x shouldn't be inverted
t.append(t_cur)
t = np.array(t)
camXs_T_camX0_4x4_orb = []
for i in range(camXs_T_camX0_orb_output.shape[0]):
# assert len(episodes) == camXs_T_camX0_orb_output.shape[0], f"{camXs_T_camX0_orb_output.shape[0]}, {len(episodes)}"
# get estimated 4x4
camX_T_camX0_4x4_orb = np.eye(4)
camX_T_camX0_4x4_orb[0:3, 0:3] = camXs_T_camX0[i]
camX_T_camX0_4x4_orb[:3, 3] = t[i]
# invert
camX0_T_camX_4x4_orb = self.safe_inverse_single(
camX_T_camX0_4x4_orb)
# convert to origin coordinates
origin_T_camX_4x4 = np.matmul(origin_T_camX0_4x4,
camX0_T_camX_4x4_orb)
r_origin_T_camX_orb, t_origin_T_camX_orb = self.split_rt_single(
origin_T_camX_4x4)
r_origin_T_camX_orb_quat = quaternion.from_rotation_matrix(
r_origin_T_camX_orb)
#save
episodes[i]["positions_orb"] = t_origin_T_camX_orb
episodes[i]["rotations_orb"] = r_origin_T_camX_orb_quat
camXs_T_camX0_4x4_orb.append(camX_T_camX0_4x4_orb)
camXs_T_camX0_4x4_orb = np.array(camXs_T_camX0_4x4_orb)
## PLOTTTING #########
# x_orbslam = []
# y_orbslam = []
# z_orbslam = []
# for i in range(camXs_T_camX0_orb_output.shape[0]):
# camX_T_camX0_4x4_orb_r, camX_T_camX0_4x4_orb_t = self.split_rt_single(camXs_T_camX0_4x4_orb[i])
# x_orbslam.append(camX_T_camX0_4x4_orb_t[0])
# y_orbslam.append(camX_T_camX0_4x4_orb_t[1])
# z_orbslam.append(camX_T_camX0_4x4_orb_t[2])
# x_orbslam = np.array(x_orbslam)
# y_orbslam = np.array(y_orbslam)
# z_orbslam = np.array(z_orbslam)
# x_gt = []
# y_gt = []
# z_gt = []
# for i in range(camXs_T_camX0_orb_output.shape[0]):
# camX_T_camX0_4x4_r, camX_T_camX0_4x4_t = self.split_rt_single(camXs_T_camX0_4x4[i])
# x_gt.append(camX_T_camX0_4x4_t[0])
# y_gt.append(camX_T_camX0_4x4_t[1])
# z_gt.append(camX_T_camX0_4x4_t[2])
# x_gt = np.array(x_gt)
# y_gt = np.array(y_gt)
# z_gt = np.array(z_gt)
print("PLOTTING")
x_orbslam = []
y_orbslam = []
z_orbslam = []
for i in range(camXs_T_camX0_orb_output.shape[0]):
x_orbslam.append(episodes[i]["positions_orb"][0])
y_orbslam.append(episodes[i]["positions_orb"][1])
z_orbslam.append(episodes[i]["positions_orb"][2])
x_orbslam = np.array(x_orbslam)
y_orbslam = np.array(y_orbslam)
z_orbslam = np.array(z_orbslam)
x_gt = []
y_gt = []
z_gt = []
for i in range(camXs_T_camX0_orb_output.shape[0]):
x_gt.append(episodes[i]["positions"][0])
y_gt.append(episodes[i]["positions"][1])
z_gt.append(episodes[i]["positions"][2])
x_gt = np.array(x_gt)
y_gt = np.array(y_gt)
z_gt = np.array(z_gt)
from mpl_toolkits.mplot3d import Axes3D
plt.figure()
ax = plt.axes(projection='3d')
ax.plot3D(x_orbslam, y_orbslam, z_orbslam, 'green')
ax.plot3D(x_gt, y_gt, z_gt, 'blue')
ax.set_xlabel('x')
ax.set_ylabel('y')
ax.set_zlabel('z')
# plt.plot(-np.array(x_orbslam), np.array(y_orbslam), label='ORB-SLAM', color='green', linestyle='dashed')
# plt.plot(x_gt, y_gt, label='GT', color='blue', linestyle='solid')
# plt.legend()
plt_name = 'maps/' + str(
self.ep_idx) + '_' + str(id) + '_' + 'map.png'
plt.savefig(plt_name)
if not self.do_orbslam:
if len(episodes) >= self.num_views:
print(f'num episodes: {len(episodes)}')
data_folder = obj.category.name() + '_' + obj.id
data_path = os.path.join(self.basepath, data_folder)
print("Saving to ", data_path)
os.mkdir(data_path)
np.random.seed(1)
flat_obs = np.random.choice(episodes,
self.num_views,
replace=False)
viewnum = 0
for obs in flat_obs:
self.save_datapoint(self.agent, obs, data_path,
viewnum, obj.id, True)
viewnum += 1
else:
print(f"Not enough episodes: f{len(episodes)}")
# the len of episodes is sometimes greater than camXs_T_camX0_orb_output.shape[0]
# so we need to sample from episode number less than camXs_T_camX0_orb_output.shape[0]
else:
num_valid_episodes = camXs_T_camX0_orb_output.shape[0]
if num_valid_episodes >= self.num_views:
print(f'num episodes: {num_valid_episodes}')
data_folder = obj.category.name() + '_' + obj.id
data_path = os.path.join(self.basepath, data_folder)
print("Saving to ", data_path)
os.mkdir(data_path)
np.random.seed(1)
flat_obs = np.random.choice(episodes[:num_valid_episodes],
self.num_views,
replace=False)
viewnum = 0
for obs in flat_obs:
self.save_datapoint(self.agent, obs, data_path,
viewnum, obj.id, True)
viewnum += 1
else:
print(f"Not enough episodes: f{len(episodes)}")
if self.visualize:
valid_pts_selected = np.vstack(valid_pts_selected)
self.plot_navigable_points(valid_pts_selected)
print(i, orb_num)
if orb_num < 10:
delete_arr.append(i)
print("delete:", delete_arr)
for i in delete_arr:
del cloud_dict[i]
orb_dict = {"kp": kp, "des": des, "assign": assign}
return cloud_dict, orb_dict
if __name__ == "__main__":
data_dir = "/data/datasets/yurouy/rgbd_dataset_freiburg1_xyz/"
depth_path = data_dir + "depth.txt"
rgb_path = data_dir + "rgb.txt"
depth_list = read_file_list(depth_path)
rgb_list = read_file_list(rgb_path)
asso_list = associate(rgb_list,
depth_list,
offset=0.0,
max_difference=0.02)
for i in range(1):
rgb = data_dir + rgb_list[asso_list[i][0]][0]
print(rgb)
depth = data_dir + depth_list[asso_list[i][1]][0]
rgb_im = Image.open(rgb)
depth_im = Image.open(depth)
get_clustered_point_cloud(np.array(rgb_im), np.array(depth_im))
#!/usr/bin/python
import associate
import numpy as np
import cv2
from matplotlib import pyplot as plt
rgbPicsLoc = "rgb/"
depthPicsLoc = "depth/"
accelData = associate.read_file_list('accelerometer.txt')
depthData = associate.read_file_list('depth.txt')
rgbData = associate.read_file_list('rgb.txt')
pairedData = associate.associate(rgbData, depthData, 0.0, 0.02)
truthData = associate.read_file_list('groundtruth.txt')
rgbData = associate.read_file_list('rgb.txt')
fast = cv2.FastFeatureDetector_create()
img = cv2.imread(rgbData.items()[0][1][0], 0)
kp = fast.detect(img, None)
img2 = img
img2 = cv2.drawKeypoints(img, kp, img2, color=(255,0,0))
#cv2.imshow('image', img2)
#cv2.waitKey(0)
#cv2.destroyAllWindows()
#cv2.imwrite('drawn_img.png', img2)
def proj(x, F, C, B):
''')
parser.add_argument('first_file', help='ground truth trajectory (format: timestamp tx ty tz qx qy qz qw)')
parser.add_argument('second_file', help='estimated trajectory (format: timestamp tx ty tz qx qy qz qw)')
parser.add_argument('--offset', help='time offset added to the timestamps of the second file (default: 0.0)',default=0.0)
parser.add_argument('--scale', help='scaling factor for the second trajectory (default: 1.0)',default=1.0)
parser.add_argument('--max_difference', help='maximally allowed time difference for matching entries (default: 0.02)',default=0.02)
parser.add_argument('--save', help='save aligned second trajectory to disk (format: stamp2 x2 y2 z2)')
parser.add_argument('--save_associations', help='save associated first and aligned second trajectory to disk (format: stamp1 x1 y1 z1 stamp2 x2 y2 z2)')
parser.add_argument('--plot', help='plot the first and the aligned second trajectory to an image (format: png)')
parser.add_argument('--verbose', help='print all evaluation data (otherwise, only the RMSE absolute translational error in meters after alignment will be printed)', action='store_true')
args = parser.parse_args()
first_list = associate_euroc.read_file_list(args.first_file)
second_list = associate.read_file_list(args.second_file)
matches = associate.associate(first_list, second_list,float(args.offset),float(args.max_difference))
if len(matches)<2:
sys.exit("Couldn't find matching timestamp pairs between groundtruth and estimated trajectory! Did you choose the correct sequence?")
first_xyz = numpy.matrix([[float(value) for value in first_list[a][0:3]] for a,b in matches]).transpose()
second_xyz = numpy.matrix([[float(value)*float(args.scale) for value in second_list[b][0:3]] for a,b in matches]).transpose()
rot,trans,trans_error = align(second_xyz,first_xyz)
second_xyz_aligned = rot * second_xyz + trans
first_stamps = first_list.keys()
first_stamps.sort()
first_xyz_full = numpy.matrix([[float(value) for value in first_list[b][0:3]] for b in first_stamps]).transpose()
second_stamps = second_list.keys()
def selNSGA3(problem, individuals, k):
"""Apply NSGA-III selection operator on the *individuals*. Usually, the
size of *individuals* will be larger than *k* because any individual
present in *individuals* will appear in the returned list at most once.
Having the size of *individuals* equals to *k* will have no effect other
than sorting the population according according to their front rank. The
list returned contains references to the input *individuals*. For more
details on the NSGA-II operator see [Deb2002]_.
:param individuals: A list of individuals to select from.
:param k: The number of individuals to select.
:returns: A list of selected individuals.
Deb, Kalyanmoy, and Himanshu Jain. "An evolutionary many-objective optimization algorithm using
reference-point-based nondominated sorting approach, part i: Solving problems with box constraints."x
Evolutionary Computation, IEEE Transactions on 18.4 (2014): 577-601.
"""
#print "Length of individuals: ", len(individuals)
pareto_fronts = sortNondominated(individuals, k)
f_l_no = len(pareto_fronts) - 1
P_t_1_no = len(list(chain(*pareto_fronts[:-1])))
total_points_returned = len(list(chain(*pareto_fronts)))
population =[]
for front_no, front in enumerate(pareto_fronts):
for i, dIndividual in enumerate(front):
cells = []
for j in xrange(len(dIndividual)):
cells.append(dIndividual[j])
population.append(jmoo_individual(problem, cells, dIndividual.fitness.values))
population[-1].front_no = front_no
print ">" * 10
Z_s = cover(len(problem.objectives))
Z_a = None
Z_r = None
if total_points_returned == k:
return normalize(problem, population, Z_r, Z_s, Z_a)
# S_t = P_t_1 + pareto_fronts[-1]
K = k - P_t_1_no
# Get the reference points
population = normalize(problem, population, Z_r, Z_s, Z_a)
population = associate(population, Z_s)
f_l = []
P_t_1 = []
for pop in population:
if pop.front_no == f_l_no:
f_l.append(pop)
else:
P_t_1.append(pop)
assert(len(P_t_1) == P_t_1_no), "Something's wrong"
P_t_1 = niching(K, len(Z_s), P_t_1, f_l)
assert(len(P_t_1) == jmoo_properties.MU), "Length is mismatched"
return P_t_1