| Input: Trust network G = (), number of coalitions parameter k from CS |
| Output: Coalition structure CS |
| 1: Calculate the trust and utility after transfer |
| 2: For all agent |
| 3: . |
| 4: . |
| 5: End for |
| 6: Calculate the trust and utility relationship and get the trust-utility relationship graph |
| 7: For each edge |
| 8: . |
| 9: End for |
| 10: Perform the edge contraction operation and generate the image segmentation coalition |
| 11: For all Agent |
| 12: For i =1…n-k |
| 13: |
| 14: |
| 15: For all |
| 16: |
| 17: End for |
| 18: End for |
| 19: For each edge |
| 20: Remove |
| 21: End for |
| 22: End for |
| 23: returnCS |
