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From cameras to sensors

This week we will look at some alternatives to infrared motion capture systems.
People examining motion capture equipment.
This week we will look at some alternatives to infrared motion capture systems.

While the infrared systems we looked at in the previous week are often considered the “gold standard” of motion capture, there are other options. Regular video cameras can be used for both qualitative and quantitative analysis. In fact, there is a lot of development in the field of computer vision. Here the idea is to emulate human vision in computers.

Moving beyond cameras, there are also many relevant sensor systems. This week we will look into two of them: accelerometer-based systems for measuring motion and electromyography-based systems for measuring muscle activity. These systems can be used independently, but we often also use them together. Sometimes we also use such systems together with infrared motion capture.

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Motion Capture: The Art of Studying Human Activity

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