There are some online metric learning methods in the literatures, including pseudometric online learning algorithm (POLA) , online ITML algorithm , and Logdet exact gradient online metric learning algorithm (LEGO) .
In online ITML and LEGO algorithms, they all use pairwise constraints as training samples.
Method VIPeR (p = 316) Top 1 Top 5 Top 10 Top 20 LMNN 6.23 19.65 32.63 52.25 ITML
12.4 27.5 39.7 55.2 Euclidean 14.46 28.75 39.14 50.10 RDC 15.7 32.5 53.9 70.1 KISSME 25.78 56.24 70.14 82.92 Ours 34.15 67.86 80.95 90.63 TABLE 5: Comparison of state-of-the-art results of metric learning reported with CUHK01 database.
replicates as closely as possible, before fees and expenses, the price and yield performance of the Bloomberg Barclays AMT-Free 12-17 Year Intermediate Continuous Municipal Index, while ITMS does the same with the Bloomberg Barclays AMT-Free 6-8 Year Intermediate Continuous Municipal Index.
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The information theoretic metric learning (ITML
)  approach for example is applied for each OSS score .