Research Article
Two Efficient Algorithms for Orthogonal Nonnegative Matrix Factorization
Table 2
Comparison of REE testing on image cat.
| Rank J | Algorithm 1 | Algorithm 2 | Algorithm 3 | Algorithm 4 |
| 5 | 0.1906 ± 0.0314 | | 0.1957 ± 0.0241 | 0.1947 ± 0.0264 | 10 | 0.1761 ± 0.0245 | | 0.1740 ± 0.0211 | 0.1711 ± 0.0216 | 15 | 0.1659 ± 0.0174 | 0.1513 ± 0.0152 | 0.1601 ± 0.0187 | 0.1473 ± 0.0182 | 20 | 0.1584 ± 0.0112 | | 0.1474 ± 0.0158 | 0.1384 ± 0.0155 | 25 | 0.1521 ± 0.0121 | 0.1252 ± 0.0102 | 0.1392 ± 0.0129 | | 30 | 0.1477 ± 0.0189 | 0.1175 ± 0.0093 | 0.1292 ± 0.0111 | |
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