ORB_SLAM3
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UZ-SLAMLab
Mono inertial scale too small
ORB-SLAM3 Copyright (C) 2017-2020 Carlos Campos, Richard Elvira, Juan J. Gómez, José M.M. Montiel and Juan D. Tardós, University of Zaragoza. ORB-SLAM2 Copyright (C) 2014-2016 Raúl Mur-Artal, José M.M. Montiel and Juan D. Tardós, University of Zaragoza. This program comes with ABSOLUTELY NO WARRANTY; This is free software, and you are welcome to redistribute it under certain conditions. See LICENSE.txt. Input sensor was set to: Monocular-Inertial Loading ORB Vocabulary. This could take a while... Vocabulary loaded! Creation of new map with id: 0 Creation of new map with last KF id: 0 Seq. Name: Camera Parameters: Camera: Pinhole fx: 699.3 fy: 699.3 cx: 640 cy: 360 k1: 0 k2: 0 p1: 0 p2: 0 k3: 0 fps: 28 color order: BGR (ignored if grayscale) ORB Extractor Parameters: Number of Features: 1000 Scale Levels: 8 Scale Factor: 1.2 Initial Fast Threshold: 20 Minimum Fast Threshold: 7 Left camera to Imu Transform (Tbc): [1, 0, 0, 0; 0, 1, 0, 0; 0, 0, 1, 0; 0, 0, 0, 1] IMU frequency: 100 Hz IMU gyro noise: 1.3e-08 rad/s/sqrt(Hz) IMU gyro walk: 1.9393e-05 rad/s^2/sqrt(Hz) IMU accelerometer noise: 2e-08 m/s^2/sqrt(Hz) IMU accelerometer walk: 0.003 m/s^3/sqrt(Hz) First KF:0; Map init KF:0 New Map created with 330 points Point distribution in KeyFrame: left-> 330 --- right-> 0 build optimization graph start optimization end optimization scale too small build optimization graph start optimization end optimization scale too small build optimization graph start optimization end optimization scale too small
When I ran Mono_Inertial, the System said "scale too small" . Why did the System say so ??? Please give me some information. Many thanks in advance for any suggestion!
