Research Article

Group Sparse Regression-Based Learning Model for Real-Time Depth-Based Human Action Prediction

Algorithm 1

Our approach for optimizing the objective function in (3).
Input: .
Output:
 1: Let =1. Initialize .
 2: while not converge do
 3:  Calculate the block diagonal matrix , where the -th diagonal block of is .
 4:  Update with
 5:  
 6: end while