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Sensor fusion
Sensor fusion
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2.0.117 by Alexander Pacha
Apr 17,2025

This application provides a dynamic visualization of a device's 3D orientation through an interactive 3D compass, showcasing the power and precision of various sensors and sensor fusion techniques. By harnessing data from the Gyroscope, Accelerometer, and compass, the app offers users a tangible way to understand how these sensors work together, allowing them to rotate the device and see the corresponding changes in the 3D compass display.

The standout feature of this app is its innovative use of virtual sensor fusion. Specifically, the "Improved Orientation Sensor 1" and "Improved Orientation Sensor 2" integrate the Android Rotation Vector with a virtual Gyroscope sensor. This fusion results in an unprecedented level of stability and precision in pose estimation, setting a new standard in sensor technology.

For those interested in comparing different sensor technologies, the app includes a variety of options:

  • Improved Orientation Sensor 1: A sensor fusion of the Android Rotation Vector and Calibrated Gyroscope, offering less stability but higher accuracy.
  • Improved Orientation Sensor 2: Another sensor fusion of the Android Rotation Vector and Calibrated Gyroscope, providing more stability but slightly less accuracy.
  • Android Rotation Vector: Utilizes a Kalman filter to combine data from the Accelerometer, Gyroscope, and Compass.
  • Calibrated Gyroscope: Represents the separate result of a Kalman filter fusion of the Accelerometer, Gyroscope, and Compass.
  • Gravity + Compass: A straightforward combination of these two sensors.
  • Accelerometer + Compass: Another basic sensor fusion approach.
  • Deprecated Android Orientation Sensor: Uses a complementary filter to fuse data from the Accelerometer, Gyroscope, and Compass.

For those interested in the technical details, the source code is openly accessible, with the link provided in the About section of the app.

What's New in Version 2.0.117

Last updated on Jul 22, 2024

The latest update brings a complete redesign of the user interface, transforming it into an immersive 3D compass experience.

Additional Game Information

Latest Version

2.0.117

Category

Libraries & Demo

Requires Android

Android 7.1+

Available on

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