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) and estimated gyroscope calibration Mean Square Error 21 * (MSE) into a single MSE value. 22 * Typical implementation simply sums both MSE values. However, custom 23 * implementations can be made to make one error more prevalent than the other, etc. 24 */ 25 public interface AccelerometerAndGyroscopeMseRule { 26 27 /** 28 * Evaluates provided accelerometer calibration MSE and gyroscope calibration 29 * MSE to get a single MSE value representing both. 30 * 31 * @param accelerometerMse accelerometer calibration MSE. 32 * @param gyroscopeMse gyroscope calibration MSE. 33 * @return single MSE value. 34 */ 35 double evaluate(final double accelerometerMse, final double gyroscopeMse); 36 }