SIGNSPEAK: Scientific Understanding and Vision-based Technological Development for Continuous Sign Language Recognition and Translation Jens Forster author Christoph Schmidt author Hermann Ney author 2013-sep 2-6 text Proceedings of Machine Translation Summit XIV: European projects Andy Way editor Nice, France conference publication forster-etal-2013-signspeak https://aclanthology.org/2013.mtsummit-european.18/ 2013-sep 2-6