A Collaborative Dictionary Learning Model for Nasopharyngeal Carcinoma Segmentation on Multimodalities MR Sequences

Algorithm 1

The algorithm for solving CODL.

Input: , , , .

1: Initialize , , and ;

2: repeat

3:  Update for by solving Equation (3);

4:  Update by solving Equation (5);

5:  Update by solving Equation (8);

6: until convergence

7: Get by solving subproblem Equation (2);

8: Get classification result by applying -Nearest Neighbor.

Output: The classification result.