| Reference | Year | # of classes | Accuracy |
| P. Nagapuri [20] | 2022 | 4 | 91% |
| A. Jha [21] | 2022 | 4 | 94.65% |
| S. S. Selvi [22] | 2022 | 4 | 95.01% |
| Proposed | 2023 | 4 | 95.112% |