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On this section, we describe the best way to prepare an effective exercise illustration model that is useful for all the recall, ranking, re-rank levels of our FSE engine. The inverse kinematics algorithm in OpenSim calculates for each time step the pose of the model that best matches the given segment orientations, while adhering to the predefined biomechanical constraints of the model. To achieve this, the real information undergoes the same inverse kinematics computation because the augmented knowledge, offering the necessary kinematic parameters for automated labeling. The transformation of the orientation data, as described above, only considers particular person body segments and does not account for the kinematic dependencies between adjacent segments. Subsequently, we outline our novel augmentation methodology, together with preprocessing of IMU data, systematic modification of motion orientations, inverse kinematics-primarily based validation, and the computerized labeling method. Since we prepare our neural networks on orientations slightly than uncooked IMU data, both the input and output of our augmentation process are represented as quaternions. If the ray hits something (different a part of the robot or object in the surroundings), the output of the sensor is computed proportionally to the length of the ray.
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