CAD Based Object Recognition: Incorporating Metric And Topological Information

The marriage of machine vision systems and CAD databases will be useful in solving many industrial problems. In this paper, we discuss our approach to recognizing objects in range images using CAD databases. The models in the databases are used to generate recognition strategies and to test hypothesis generated by the early recognition system. The role of features has been recognized since early days of pattern recognition research. Here we discuss what are the desirable characteristics of features in a 3-D object recognition system. We formally define the features used in our approach and discuss their strengths and weaknesses.