1 /* 2 * Copyright (C) 2021 Alberto Irurueta Carro (alberto@irurueta.com) 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.irurueta.navigation.inertial.calibration.intervals.thresholdfactor; 17 18 /** 19 * Provides a rule or function to convert estimated accelerometer calibration 20 * Mean Square Error (MSE), estimated gyroscope calibration Mean Square Error 21 * (MSE) and estimated magnetometer calibrator Mean Square Error (MSE) into a 22 * single MSE value. 23 * Typical implementation simply sums all three MSE values; however, custom 24 * implementations can be made to make one error more prevalent than the other, etc. 25 */ 26 public interface AccelerometerGyroscopeAndMagnetometerMseRule { 27 28 /** 29 * Evaluates provided accelerometer calibration MSE, gyroscope calibration 30 * MSE and magnetometer calibration MSE in order to obtain a single MSE 31 * value representing all three of them. 32 * 33 * @param accelerometerMse accelerometer calibration MSE. 34 * @param gyroscopeMse gyroscope calibration MSE. 35 * @param magnetometerMse magnetometer calibration MSE. 36 * @return single MSE value. 37 */ 38 double evaluate(final double accelerometerMse, final double gyroscopeMse, 39 final double magnetometerMse); 40 }