Table 2 The average precision error rates for k-NN query for main and subcategories. The number of retrieved samples was 10.
From: Audio Query by Example Using Similarity Measures between Probability Density Functions of Features
Method | Main | Sub | Comp. time |
|---|---|---|---|
Histogram | 7.7% | 24.3% | 0.41 ms |
Mahalanobis | 1.2% | 6.8% | 0.013 ms |
Bhattacharyya | 1.3% | 7.9% | 6.5 ms |
KL-Gaussian | 5.0% | 14.1% | 0.19 ms |
KL-Goldberger, GMM (12 comp.) | 1.1% | 6.0% | 9.30 ms |
KL-variational, GMM (12 comp.) | 1.1% | 6.0% | 20.2 ms |
KL-Monte Carlo, GMM (12 comp.) | 1.2% | 8.6% | 510 ms |
Euclidean dist. GMM (12 comp.) | 1.0% | 6.5% | 0.87 ms |
CLRT-GMM (12 comp.) | 0.5% | 6.0% | 16.6 ms |
CLRT-HMM (3 state, 4 comp.) | 1.1% | 8.5% | 39.3 ms |