Steve Lutes

05-26-1994, 10:34 AM

Can someone help me with the following problem? A tracking system yields 20

3-D coordinates from markers placed on an athelete's limbs. How do I calculate

(in real time, using a Pentium/PowerPC-based machine), the following:

(1) Linear velocity, acceleration, and d(acceleration)/dt for either

the whole body, a specific appendage or both.

(2) Angular velocity, acceleration, and d(acceleration)/dt for either

the whole body, a specific appendage, or both.

(3) (1) and (2) or any combination of indivdual items in (1) and (2)

Any and all comments are welcome. I am looking for software, suggestions

on how to calculate the parameters in (1) and (2), references, etc.

Thank you very much.

3-D coordinates from markers placed on an athelete's limbs. How do I calculate

(in real time, using a Pentium/PowerPC-based machine), the following:

(1) Linear velocity, acceleration, and d(acceleration)/dt for either

the whole body, a specific appendage or both.

(2) Angular velocity, acceleration, and d(acceleration)/dt for either

the whole body, a specific appendage, or both.

(3) (1) and (2) or any combination of indivdual items in (1) and (2)

Any and all comments are welcome. I am looking for software, suggestions

on how to calculate the parameters in (1) and (2), references, etc.

Thank you very much.