October 2023

Year 4

Posted by Daniela Rato on November 9, 2023

Writing the manuscript "New Methodology to Calibrate Depth Sensors in Multi-Modal Dynamic Setups"

This manuscript describes the addition of the depth modality to the ATOM framework. The methodology is tested in two separate systems: one RGB-D camera and one complex dynamic system with several sensors. For more detailed information about the experiments and methodology, please read the manuscript.

The first experiment described in the manuscript refers to a simple RGB-D system, as shown in the image.

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This system was calibrated in both real and simulated environment and the results were compared with the factory calibration and with other algorithms. The following tables descibres the conducted experiments and results so far.

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The second experiment referes to a complex system with three fixed sensors: RGB, LiDAR and depth camera; and two dynamic senors installed in the robotic arm: RGB and depth. Subsequently, this proves that the methodology is able to calibrate a combination of dynamic and non-dynamic sensors. The following image shows a simulated representation of the system used.

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The following image shows the transformation tree of the system. Blue arrows represent dynamic transformations. Green arrows represent the transformation that will be calibrated during optimization. The red node represents the calibration pattern and the green nodes represent the sensor links from which data is output. This transformation tree shows how complex the system is.

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This system was calibrated in both real and simulated environment and the results were compared with the factory calibration and with other algorithms. The following tables descibres the conducted experiments and results so far.

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