transbigdata.traj_smooth
- transbigdata.traj_smooth(data, col=['id', 'time', 'lon', 'lat'], proj=False, process_noise_std=0.5, measurement_noise_std=1)
Smooth Trajectory Using Kalman Filter.
- 参数:
data (DataFrame) – Trajectory data
col (list) – Column names of the trajectory data
proj (bool) – Whether to perform equidistant projection
process_noise_std (float) – Standard deviation of the process noise
measurement_noise_std (float) – Standard deviation of the measurement noise
- 返回:
data – Smoothed trajectory data
- 返回类型:
DataFrame