The architecture of the Cytocomputer?, an existing special-purpose, pipelined cellular image processor, is described. A formalism used to express cellular operations on images is then given. Cellular image processing algorithms are then developed that ...

This paper describes an interactive drafting system based on two dimensional primitives and logic operators.

A special attention is given to the ways of interaction derived from the analysis of the usual drafting procedures.

Since the beginning of geometric modeling as a field of CAD a decade ago, the methods for interactive design of solid objects and interactive design of free-formed surfaces (of degree 3 and higher) were developed along parallel but disjoint strands. One ...