ARTICLE Hu_SIGNALPROCESSINGMAGAZINE_2015/IDIAP Multimedia Analysis and Access of Ancient Maya Epigraphy Hu, Rui Can, Gulcan Pallan Gayol, Carlos Krempel, Guido Spotak, Jakub Vail, Gabrielle Marchand-Maillet, Stephane Odobez, Jean-Marc Gatica-Perez, Daniel EXTERNAL https://publications.idiap.ch/attachments/papers/2015/Hu_SIGNALPROCESSINGMAGAZINE_2015.pdf PUBLIC Signal processing magazine 2015