def feature_vector(trip):
velocity = compute_velocity(trip)
velocity5 = n_step_diff(trip, n=5)
acceleration = np.gradient(velocity)
acceleration5 = np.gradient(velocity5)
cos_dt = [cos_between(a, np.array([1, 0])) for a in acceleration5]
angle_dt = [np.arccos(c) for c in cos_dt]
speed = compute_scalar(velocity)
corner_features = corners_features(velocity)
acc_features = acceleration_features(velocity, angle_dt, cos_dt, speed)
return np.hstack((corner_features, acc_features))
def feature_vector(trip):
velocity = compute_velocity(trip)
velocity5 = n_step_diff(trip, n=5)
acceleration = np.gradient(velocity)
acceleration5 = np.gradient(velocity5)
cos_dt = [cos_between(a, np.array([1, 0])) for a in acceleration5]
angle_dt = [np.arccos(c) for c in cos_dt]
speed = compute_scalar(velocity)
corner_features = corners_features(velocity)
acc_features = acceleration_features(velocity, angle_dt, cos_dt, speed)
return np.hstack((corner_features, acc_features))
def feature_vector(trip):
velocity = compute_velocity(trip)
speed = compute_scalar(velocity)
corner_features = corners_features(velocity)
acc_features = acceleration_features(speed)
return np.hstack((corner_features, acc_features))
def feature_vector(trip):
velocity = compute_velocity(trip)
speed = compute_scalar(velocity)
corner_features = corners_features(velocity)
acc_features = acceleration_features(speed)
return np.hstack((corner_features, acc_features))