Pose estimation using a monocular camera is an area of active research in visual inertial unmanned aerial vehicles. Some of the common methods involve fusing pose from two sources using a kalman filter or a lie algebraic representation for solving the global motion constraints. Some systems even couple inertial systems (IMU) with the visual pose estimation from the camera for robust pose estimation. This work extends the idea of a tightly coupled visual inertial system to a photometric error based method of semi dense visual odometry. The estimated pose from the camera is prone to error spikes due to loss in tracking keyframes. With extensive experimentation we prove that our visual inertial system for semi dense visual odometry is better than using visual odometry alone. We also show robustness of our method and compare our performance to the existing state of the art tightly coupled visual inertial systems that exist in an outdoor environment.


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    Title :

    Multi modal pose fusion for monocular flight with unmanned aerial vehicles


    Contributors:


    Publication date :

    2018-03-01


    Size :

    989654 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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