Synthetic IMU Data from Motion - Questions from a Newbie
Posted: Wed Mar 30, 2022 7:12 pm
Hello,
I am a newbie to OpenSim and I am working on a workflow of synthesizing IMU data from randomly generated raising hand motions. The goal of this workflow is to automatically generate some raising hand motions, and get the IMU data of the user's wrist as if the user is wearing a watch with IMU sensors. I would very much appreciate any hints/insights about how to approach this. Here I describe the three steps of the workflow.
A: Generate some random raising hand motions. (No mocap data, no human involved, completely computer generated. I need some suggestions on how to do this. For now I am not sure what software to use, or what datatype this step will return.)
B: Make the motions compatible with OpenSim. (Can I use an existing .osim model from GitHub, and apply my own .mot files to it?)
C: Use IMU Placer to place an IMU to the user's wrist, and use the IMUDataReporter tool to get the acc and gyro data from the IMU during the motion. (I was able to do this step using examples provided by Fangshi from this forum. At least I got some data in the correct form with 3 values of angular velocities and 3 values of accelerations. I am still playing the .xml and .mot required for the IMUDataReporter.)
Thank you so much for reading this. Please let me know your thoughts on the feasibility of the workflow. Any suggestions would be much appreciated.
I am a newbie to OpenSim and I am working on a workflow of synthesizing IMU data from randomly generated raising hand motions. The goal of this workflow is to automatically generate some raising hand motions, and get the IMU data of the user's wrist as if the user is wearing a watch with IMU sensors. I would very much appreciate any hints/insights about how to approach this. Here I describe the three steps of the workflow.
A: Generate some random raising hand motions. (No mocap data, no human involved, completely computer generated. I need some suggestions on how to do this. For now I am not sure what software to use, or what datatype this step will return.)
B: Make the motions compatible with OpenSim. (Can I use an existing .osim model from GitHub, and apply my own .mot files to it?)
C: Use IMU Placer to place an IMU to the user's wrist, and use the IMUDataReporter tool to get the acc and gyro data from the IMU during the motion. (I was able to do this step using examples provided by Fangshi from this forum. At least I got some data in the correct form with 3 values of angular velocities and 3 values of accelerations. I am still playing the .xml and .mot required for the IMUDataReporter.)
Thank you so much for reading this. Please let me know your thoughts on the feasibility of the workflow. Any suggestions would be much appreciated.