Research Article

Arm Motion Recognition and Exercise Coaching System for Remote Interaction

Algorithm 2

Algorithm for measuring and comparing similarity.
Input: the initial comparison number ;
the threshold for measuring similarity ;
Output: the degree of similarity ;
() for  ; ;   do
()  compute and by (13);
()  ;
() end for
() Find out and from ;
() for  ; ;   do
()  perform normalizing by with .
() end for
() compute the degree of similarity between the curves of the coach and student by
  ;
() if ()
()  inform the student to improve his action.