Example #1
0
  def handle_cam_odom(self, trans: List[float], rot: List[float], trans_std: List[float]) -> Optional[np.ndarray]:
    self.old_rpy_weight = min(0.0, self.old_rpy_weight - 1/SMOOTH_CYCLES)

    straight_and_fast = ((self.v_ego > MIN_SPEED_FILTER) and (trans[0] > MIN_SPEED_FILTER) and (abs(rot[2]) < MAX_YAW_RATE_FILTER))
    if self.wide_camera:
      angle_std_threshold = 4*MAX_VEL_ANGLE_STD
    else:
      angle_std_threshold = MAX_VEL_ANGLE_STD
    certain_if_calib = ((np.arctan2(trans_std[1], trans[0]) < angle_std_threshold) or
                        (self.valid_blocks < INPUTS_NEEDED))
    if not (straight_and_fast and certain_if_calib):
      return None

    observed_rpy = np.array([0,
                             -np.arctan2(trans[2], trans[0]),
                             np.arctan2(trans[1], trans[0])])
    new_rpy = euler_from_rot(rot_from_euler(self.get_smooth_rpy()).dot(rot_from_euler(observed_rpy)))
    new_rpy = sanity_clip(new_rpy)

    self.rpys[self.block_idx] = (self.idx*self.rpys[self.block_idx] + (BLOCK_SIZE - self.idx) * new_rpy) / float(BLOCK_SIZE)
    self.idx = (self.idx + 1) % BLOCK_SIZE
    if self.idx == 0:
      self.block_idx += 1
      self.valid_blocks = max(self.block_idx, self.valid_blocks)
      self.block_idx = self.block_idx % INPUTS_WANTED

    self.update_status()

    return new_rpy
Example #2
0
  def handle_cam_odom(self, trans, rot, trans_std, rot_std):
    straight_and_fast = ((self.v_ego > MIN_SPEED_FILTER) and (trans[0] > MIN_SPEED_FILTER) and (abs(rot[2]) < MAX_YAW_RATE_FILTER))
    certain_if_calib = ((np.arctan2(trans_std[1], trans[0]) < MAX_VEL_ANGLE_STD) or
                        (self.valid_blocks < INPUTS_NEEDED))
    if straight_and_fast and certain_if_calib:
      observed_rpy = np.array([0,
                               -np.arctan2(trans[2], trans[0]),
                               np.arctan2(trans[1], trans[0])])
      new_rpy = euler_from_rot(rot_from_euler(self.rpy).dot(rot_from_euler(observed_rpy)))
      new_rpy = sanity_clip(new_rpy)

      self.rpys[self.block_idx] = (self.idx*self.rpys[self.block_idx] + (BLOCK_SIZE - self.idx) * new_rpy) / float(BLOCK_SIZE)
      self.idx = (self.idx + 1) % BLOCK_SIZE
      if self.idx == 0:
        self.block_idx += 1
        self.valid_blocks = max(self.block_idx, self.valid_blocks)
        self.block_idx = self.block_idx % INPUTS_WANTED
      if self.valid_blocks > 0:
        self.rpy = np.mean(self.rpys[:self.valid_blocks], axis=0)
      self.update_status()

      # TODO: this should use the liveCalibration struct from cereal
      if self.param_put and ((self.idx == 0 and self.block_idx == 0) or self.just_calibrated):
        cal_params = {"calib_radians": list(self.rpy),
                      "valid_blocks": self.valid_blocks}
        put_nonblocking("CalibrationParams", json.dumps(cal_params).encode('utf8'))
      return new_rpy
    else:
      return None
Example #3
0
  def handle_cam_odom(self, trans, rot, trans_std, rot_std):
    self.old_rpy_weight = min(0.0, self.old_rpy_weight - 1/SMOOTH_CYCLES)

    straight_and_fast = ((self.v_ego > MIN_SPEED_FILTER) and (trans[0] > MIN_SPEED_FILTER) and (abs(rot[2]) < MAX_YAW_RATE_FILTER))
    certain_if_calib = ((np.arctan2(trans_std[1], trans[0]) < MAX_VEL_ANGLE_STD) or
                        (self.valid_blocks < INPUTS_NEEDED))
    if straight_and_fast and certain_if_calib:
      observed_rpy = np.array([0,
                               -np.arctan2(trans[2], trans[0]),
                               np.arctan2(trans[1], trans[0])])
      new_rpy = euler_from_rot(rot_from_euler(self.get_smooth_rpy()).dot(rot_from_euler(observed_rpy)))
      new_rpy = sanity_clip(new_rpy)

      self.rpys[self.block_idx] = (self.idx*self.rpys[self.block_idx] + (BLOCK_SIZE - self.idx) * new_rpy) / float(BLOCK_SIZE)
      self.idx = (self.idx + 1) % BLOCK_SIZE
      if self.idx == 0:
        self.block_idx += 1
        self.valid_blocks = max(self.block_idx, self.valid_blocks)
        self.block_idx = self.block_idx % INPUTS_WANTED
      if self.valid_blocks > 0:
        self.rpy = np.mean(self.rpys[:self.valid_blocks], axis=0)


      self.update_status()

      return new_rpy
    else:
      return None
Example #4
0
    def msg_from_state(converter, calib_from_device, H, predicted_state,
                       predicted_cov):
        predicted_std = np.sqrt(np.diagonal(predicted_cov))

        fix_ecef = predicted_state[States.ECEF_POS]
        fix_ecef_std = predicted_std[States.ECEF_POS_ERR]
        vel_ecef = predicted_state[States.ECEF_VELOCITY]
        vel_ecef_std = predicted_std[States.ECEF_VELOCITY_ERR]
        fix_pos_geo = coord.ecef2geodetic(fix_ecef)
        #fix_pos_geo_std = np.abs(coord.ecef2geodetic(fix_ecef + fix_ecef_std) - fix_pos_geo)
        orientation_ecef = euler_from_quat(
            predicted_state[States.ECEF_ORIENTATION])
        orientation_ecef_std = predicted_std[States.ECEF_ORIENTATION_ERR]
        device_from_ecef = rot_from_quat(
            predicted_state[States.ECEF_ORIENTATION]).T
        calibrated_orientation_ecef = euler_from_rot(
            calib_from_device.dot(device_from_ecef))

        acc_calib = calib_from_device.dot(predicted_state[States.ACCELERATION])
        acc_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(
                    predicted_cov[States.ACCELERATION_ERR,
                                  States.ACCELERATION_ERR]).dot(
                                      calib_from_device.T)))
        ang_vel_calib = calib_from_device.dot(
            predicted_state[States.ANGULAR_VELOCITY])
        ang_vel_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(
                    predicted_cov[States.ANGULAR_VELOCITY_ERR,
                                  States.ANGULAR_VELOCITY_ERR]).dot(
                                      calib_from_device.T)))

        vel_device = device_from_ecef.dot(vel_ecef)
        device_from_ecef_eul = euler_from_quat(
            predicted_state[States.ECEF_ORIENTATION]).T
        idxs = list(range(States.ECEF_ORIENTATION_ERR.start, States.ECEF_ORIENTATION_ERR.stop)) + \
               list(range(States.ECEF_VELOCITY_ERR.start, States.ECEF_VELOCITY_ERR.stop))
        condensed_cov = predicted_cov[idxs][:, idxs]
        HH = H(*list(np.concatenate([device_from_ecef_eul, vel_ecef])))
        vel_device_cov = HH.dot(condensed_cov).dot(HH.T)
        vel_device_std = np.sqrt(np.diagonal(vel_device_cov))

        vel_calib = calib_from_device.dot(vel_device)
        vel_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(vel_device_cov).dot(
                    calib_from_device.T)))

        orientation_ned = ned_euler_from_ecef(fix_ecef, orientation_ecef)
        #orientation_ned_std = ned_euler_from_ecef(fix_ecef, orientation_ecef + orientation_ecef_std) - orientation_ned
        ned_vel = converter.ecef2ned(fix_ecef +
                                     vel_ecef) - converter.ecef2ned(fix_ecef)
        #ned_vel_std = self.converter.ecef2ned(fix_ecef + vel_ecef + vel_ecef_std) - self.converter.ecef2ned(fix_ecef + vel_ecef)

        fix = messaging.log.LiveLocationKalman.new_message()

        # write measurements to msg
        measurements = [
            # measurement field, value, std, valid
            (fix.positionGeodetic, fix_pos_geo, np.nan * np.zeros(3), True),
            (fix.positionECEF, fix_ecef, fix_ecef_std, True),
            (fix.velocityECEF, vel_ecef, vel_ecef_std, True),
            (fix.velocityNED, ned_vel, np.nan * np.zeros(3), True),
            (fix.velocityDevice, vel_device, vel_device_std, True),
            (fix.accelerationDevice, predicted_state[States.ACCELERATION],
             predicted_std[States.ACCELERATION_ERR], True),
            (fix.orientationECEF, orientation_ecef, orientation_ecef_std,
             True),
            (fix.calibratedOrientationECEF, calibrated_orientation_ecef,
             np.nan * np.zeros(3), True),
            (fix.orientationNED, orientation_ned, np.nan * np.zeros(3), True),
            (fix.angularVelocityDevice,
             predicted_state[States.ANGULAR_VELOCITY],
             predicted_std[States.ANGULAR_VELOCITY_ERR], True),
            (fix.velocityCalibrated, vel_calib, vel_calib_std, True),
            (fix.angularVelocityCalibrated, ang_vel_calib, ang_vel_calib_std,
             True),
            (fix.accelerationCalibrated, acc_calib, acc_calib_std, True),
        ]

        for field, value, std, valid in measurements:
            # TODO: can we write the lists faster?
            field.value = to_float(value)
            field.std = to_float(std)
            field.valid = valid

        return fix
Example #5
0
    def msg_from_state(converter, calib_from_device, H, predicted_state,
                       predicted_cov):
        predicted_std = np.sqrt(np.diagonal(predicted_cov))

        fix_ecef = predicted_state[States.ECEF_POS]
        fix_ecef_std = predicted_std[States.ECEF_POS_ERR]
        vel_ecef = predicted_state[States.ECEF_VELOCITY]
        vel_ecef_std = predicted_std[States.ECEF_VELOCITY_ERR]
        fix_pos_geo = coord.ecef2geodetic(fix_ecef)
        #fix_pos_geo_std = np.abs(coord.ecef2geodetic(fix_ecef + fix_ecef_std) - fix_pos_geo)
        orientation_ecef = euler_from_quat(
            predicted_state[States.ECEF_ORIENTATION])
        orientation_ecef_std = predicted_std[States.ECEF_ORIENTATION_ERR]
        device_from_ecef = rot_from_quat(
            predicted_state[States.ECEF_ORIENTATION]).T
        calibrated_orientation_ecef = euler_from_rot(
            calib_from_device.dot(device_from_ecef))

        acc_calib = calib_from_device.dot(predicted_state[States.ACCELERATION])
        acc_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(
                    predicted_cov[States.ACCELERATION_ERR,
                                  States.ACCELERATION_ERR]).dot(
                                      calib_from_device.T)))
        ang_vel_calib = calib_from_device.dot(
            predicted_state[States.ANGULAR_VELOCITY])
        ang_vel_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(
                    predicted_cov[States.ANGULAR_VELOCITY_ERR,
                                  States.ANGULAR_VELOCITY_ERR]).dot(
                                      calib_from_device.T)))

        vel_device = device_from_ecef.dot(vel_ecef)
        device_from_ecef_eul = euler_from_quat(
            predicted_state[States.ECEF_ORIENTATION]).T
        idxs = list(range(States.ECEF_ORIENTATION_ERR.start, States.ECEF_ORIENTATION_ERR.stop)) + \
               list(range(States.ECEF_VELOCITY_ERR.start, States.ECEF_VELOCITY_ERR.stop))
        condensed_cov = predicted_cov[idxs][:, idxs]
        HH = H(*list(np.concatenate([device_from_ecef_eul, vel_ecef])))
        vel_device_cov = HH.dot(condensed_cov).dot(HH.T)
        vel_device_std = np.sqrt(np.diagonal(vel_device_cov))

        vel_calib = calib_from_device.dot(vel_device)
        vel_calib_std = np.sqrt(
            np.diagonal(
                calib_from_device.dot(vel_device_cov).dot(
                    calib_from_device.T)))

        orientation_ned = ned_euler_from_ecef(fix_ecef, orientation_ecef)
        #orientation_ned_std = ned_euler_from_ecef(fix_ecef, orientation_ecef + orientation_ecef_std) - orientation_ned
        ned_vel = converter.ecef2ned(fix_ecef +
                                     vel_ecef) - converter.ecef2ned(fix_ecef)
        #ned_vel_std = self.converter.ecef2ned(fix_ecef + vel_ecef + vel_ecef_std) - self.converter.ecef2ned(fix_ecef + vel_ecef)

        fix = messaging.log.LiveLocationKalman.new_message()
        fix.positionGeodetic.value = to_float(fix_pos_geo)
        #fix.positionGeodetic.std = to_float(fix_pos_geo_std)
        #fix.positionGeodetic.valid = True
        fix.positionECEF.value = to_float(fix_ecef)
        fix.positionECEF.std = to_float(fix_ecef_std)
        fix.positionECEF.valid = True
        fix.velocityECEF.value = to_float(vel_ecef)
        fix.velocityECEF.std = to_float(vel_ecef_std)
        fix.velocityECEF.valid = True
        fix.velocityNED.value = to_float(ned_vel)
        #fix.velocityNED.std = to_float(ned_vel_std)
        #fix.velocityNED.valid = True
        fix.velocityDevice.value = to_float(vel_device)
        fix.velocityDevice.std = to_float(vel_device_std)
        fix.velocityDevice.valid = True
        fix.accelerationDevice.value = to_float(
            predicted_state[States.ACCELERATION])
        fix.accelerationDevice.std = to_float(
            predicted_std[States.ACCELERATION_ERR])
        fix.accelerationDevice.valid = True

        fix.orientationECEF.value = to_float(orientation_ecef)
        fix.orientationECEF.std = to_float(orientation_ecef_std)
        fix.orientationECEF.valid = True
        fix.calibratedOrientationECEF.value = to_float(
            calibrated_orientation_ecef)
        #fix.calibratedOrientationECEF.std = to_float(calibrated_orientation_ecef_std)
        #fix.calibratedOrientationECEF.valid = True
        fix.orientationNED.value = to_float(orientation_ned)
        #fix.orientationNED.std = to_float(orientation_ned_std)
        #fix.orientationNED.valid = True
        fix.angularVelocityDevice.value = to_float(
            predicted_state[States.ANGULAR_VELOCITY])
        fix.angularVelocityDevice.std = to_float(
            predicted_std[States.ANGULAR_VELOCITY_ERR])
        fix.angularVelocityDevice.valid = True

        fix.velocityCalibrated.value = to_float(vel_calib)
        fix.velocityCalibrated.std = to_float(vel_calib_std)
        fix.velocityCalibrated.valid = True
        fix.angularVelocityCalibrated.value = to_float(ang_vel_calib)
        fix.angularVelocityCalibrated.std = to_float(ang_vel_calib_std)
        fix.angularVelocityCalibrated.valid = True
        fix.accelerationCalibrated.value = to_float(acc_calib)
        fix.accelerationCalibrated.std = to_float(acc_calib_std)
        fix.accelerationCalibrated.valid = True
        return fix