Event-camera tracking of propeller frequencies and ellipse fitting yields under 3% frequency error on five real outdoor quadrotor flights and supplies thrust and tilt inputs for relative state estimation.
Ultimate slam? combining events, images, and imu for robust visual slam in hdr and high-speed scenarios
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Relative State Estimation using Event-Based Propeller Sensing
Event-camera tracking of propeller frequencies and ellipse fitting yields under 3% frequency error on five real outdoor quadrotor flights and supplies thrust and tilt inputs for relative state estimation.