The current release (Version 2.0, October 2009) of LibOPF can be obtained by downloading the tar.gz file. In order to avoid conversion problems to the OPF binary file format, we are providing a conversion program called txt2opf in the directory tools/. Please e-mail us if you have problems to download the file.
The package includes the source code of the library in C, some datasets and distance files, a README file with detailed explanations, and the programs to split datasets, compute distance files, train, learn from errors in the evaluation set, and test the classifier.
Please read the COPYRIGHT notice before using LibOPF. One can also download the OPF main reference. The unsupervised OPF main reference can be found here.