Research Article
Two Efficient Algorithms for Orthogonal Nonnegative Matrix Factorization
Table 4
Comparison of ORE testing on image panda.
| Rank J | Algorithm 1 | Algorithm 2 | Algorithm 3 | Algorithm 4 |
| 10 | 372.6551 ± 10.2546 | | 0.9955 ± 0.1257 | 0.9210 ± 0.1546 | 20 | 686.1020 ± 40.1120 | | 0.9979 ± 0.1522 | 0.9664 ± 0.1753 | 40 | ± 70.1885 | | 0.9995 ± 0.2561 | 0.9718 ± 0.2051 | 60 | ± 114.2850 | | 0.9999 ± 0.2101 | 0.9957 ± 0.2689 | 80 | ± 160.4782 | | 1.0000 ± 0.2008 | 0.9980 ± 0.1280 |
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