pywayne-calibration-magnetometer-calibration

Magnetometer calibration estimates soft-iron and hard-iron distortions from IMU measurements to correct sensor data for accurate orientation estimation. You collect diverse orientation data and compute the correction matrix and offset.

Soft-iron and hard-iron calibration corrects magnetic distortions in IMU sensors by estimating a 3x3 soft-iron matrix and a 3-element hard-iron offset, ensuring stable orientation tracking in robotics and drones.

Magnetometer calibration requires sensor data arrays including timestamps, accelerometer, gyroscope, and magnetometer readings. You must collect data across varied orientations to accurately estimate the correction parameters.

Yes, the magnetometer calibration integrates with VQF sensor fusion for orientation estimation. It computes the soft-iron matrix and hard-iron offset needed to correct magnetometer inputs for the fusion algorithm.

Close-form magnetometer calibration is applicable to IMU sensor suites in drones, robotics, and handheld devices. It computes the necessary soft-iron and hard-iron corrections for stable orientation across these platforms.

Uncalibrated magnetometer data contains soft-iron and hard-iron distortions that corrupt orientation estimates. Calibration computes the correction matrix and offset needed to remove these magnetic disturbances from the sensor data.