Research Article

Computer Vision for Human-Computer Interaction Using Noninvasive Technology

Algorithm 1

Average intrinsic mode function algorithm for electromyographic signal noise reduction.
Input: the actual data sequence of the EMG signal, ,
Output: intrinsic mode function, ;
Repeat
Whiledo
for all j such as do
Compute i.e.,
Obtain upper envelope: ,
Obtain lower envelop: ;
Compute average envelope value ;
Obtain a stationary data sequence, ;
 Update ;
Until convergence