Image Retrieval Based on Multiview Constrained Nonnegative Matrix Factorization and Gaussian Mixture Model Spectral Clustering Method

Table 4

Comparison retrieval performance in terms of regularization parameter by fixing retrieval length (), regularization parameter (), inner dimension , and GMM components for Calth-256 and CIFAR-100 datasets and and for CIFAR-10 dataset.

	Calth-256		CIFAR-10		CIFAR-100
β	Recall rate	Precision	Recall rate	Precision	Recall rate	Precision
0.125	0.1754	0.4598	0.1707	0.1711	0.1293	0.3206
0.225	0.1548	0.4085	0.1560	0.1559	0.1376	0.3394
0.
0.425	0.1526	0.4018	0.1751	0.1761	0.1392	0.3450
0.525	0.1633	0.4280	0.1552	0.1552	0.1536	0.3781
0.825	0.1628	0.4280	0.1746	0.1752	0.1386	0.3406

Bold values indicate the best result of the column.