Generating a 3D simulation of a car accident from a formal description-the CarSim system-英文学习资料.pdfVIP

Generating a 3D Simulation of a Car Accident from a Formal Description: the CarSim System Arjan Egges, Anton Nijholt Pierre Nugues Department of Computer Science GREYC laboratory University of Twente ISMRA PO Box 217, 7500 AE Enschede 6, bd du Mar´echal Juin the Netherlands F-14050 Caen, France Phone: (31) 53 4893686 Phone: (33) 231 452 705 Fax: (31) 53 4893503 Fax: (33) 231 452 760 Email: {egges,anijholt}@cs.utwente.nl Email: pnugues@greyc.ismra.fr ABSTRACT with texts where syntax and semantics are more The problem of generating a 3D simulation of a complex than with spoken orders. TACIT bases car accident from a written description can be its language processing techniques on a template divided into two subtasks: the linguistic analysis filling paradigm, see [7] and [8] for more informa- and the virtual scene generation. As a means of tion about the conversion from text to template. communication between these two system parts, This technique is successfully implemented in we designed a template formalism to represent the FASTUS system [9], in which it is possible to a written accident report. The CarSim system obtain information from a static (written) text processes template formal descriptions and cre- very efficiently. ates corresponding 3D simulations. A planning component models the