Research Article

Two Efficient Algorithms for Orthogonal Nonnegative Matrix Factorization

Table 1

Comparison of REE testing on image panda.

Rank JAlgorithm 1Algorithm 2Algorithm 3Algorithm 4

100.2256 ± 0.02160.2413 ± 0.03550.2191 ± 0.0227
200.1973 ± 0.01730.1677 ± 0.01830.1811 ± 0.01790.1761 ± 0.0166
400.1876 ± 0.01250.1310 ± 0.01560.1665 ± 0.0142
600.1722 ± 0.00570.1278 ± 0.00470.1542 ± 0.0113
800.1580 ± 0.00630.1105 ± 0.00810.1401 ± 0.0086