Abstract
AbstractThis paper presents a CAD system named Natural Voice-Enabled CAD and it is aimed at using natural discourse to perform CAD modeling operation. This voice interactive method is not restricted to fixed vocabularies or predefined expressions (e.g. “circle”, “delete it” and “view from left”). It can also manage free-form sentences (e.g. “change the radius of this circle to 40 please”). In order to achieve this, an approach called Verb-based CAD Semantic Search is proposed to process the input natural discourse to realize semantic understanding. It consists of two main steps: Phrase Identification (PI) and Targeted Word Distilling (TWD). The definitions and algorithms of this proposed approach are discussed, and the details of mapping distilled targeted words to CAD commands are also explained. The framework of Natural Voice-Enabled CAD and the preliminary results of this system are demonstrated, and the direction of future work is also discussed.
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