Optimised Preprocessing for Automatic Mouth Gesture Classification Maren Brumm author Rolf-Rainer Grigat author 2020-05 text eng Proceedings of the LREC2020 9th Workshop on the Representation and Processing of Sign Languages: Sign Language Resources in the Service of the Language Community, Technological Challenges and Application Perspectives Eleni Efthimiou editor Stavroula-Evita Fotinea editor Thomas Hanke editor Julie A Hochgesang editor Jette Kristoffersen editor Johanna Mesch editor European Language Resources Association (ELRA) Marseille, France conference publication 979-10-95546-54-2 brumm-grigat-2020-optimised https://aclanthology.org/2020.signlang-1.5/ 2020-05 27 32