Abstract: This paper summarizes the results of an empirical study concerning the use of hand motions as one of the input mechanisms of a multi-modal interface of computer aided conceptual design systems ...

Abstract: Conceptual design is recognized as the most critical stage in design. Yet few CAD tools exist to aid designers in conceptual design tasks, such as clarifying the design requirements and defining ...

Abstract: This paper introduces the idea of extending quality assurance efforts in the processes of development of computer aided design (CAD) software systems to include formal review or testing of ...

Abstract: This paper describes a new approach to locate freeform shape patterns in measured point data and to fit their parameter values. The method is based on the direct matching of parameterized ...