Blending sharp edges in solid models is an important task of Computeraided design. The prominent algorithms for producing blending fillet surfaces relay mostly on the rolling-ball method. These algorithms are applied on B-Rep solid models that are used in many CAD/CAM systems. Such solid models allow for a hierarchical approach of modeling which can incorporate blending operations within its st...

We compared two edge-blending methods for multiprojection displays, elliptic and rectangular blending, by simulating three common situations: (1) an inaccurately estimated calibration parameter, (2) a worn projector lamp, and (3) a shifted viewpoint. We used a twolevel-of-detail display including a high-gain rear-projection screen in the simulation to demonstrate an extreme case. The comparison...

Executive summary Task 3.2 is concerned with the development of computational methods for concept blending and their implementation in a Concept Generator prototype. In this deliverable, we present a review of existing computational approaches to conceptual blending used in the development of creative systems. Besides providing an overview of state-of-the-art methods, this study aims (a) to emp...

We propose ontological blending as a new method for ‘creatively’ combining ontologies. In contrast to other combination techniques that aim at integrating or assimilating categories and relations of thematically closely related ontologies, blending aims at ‘creatively’ generating new categories and ontological definitions on the basis of input ontologies whose domains are thematically distinct ...

In constructive solid geometry (CSG), highly smooth and manageable blending operations are always desirable. In this paper, we propose two novel ways to blend implicitly defined geometric objects using smooth unit step functions. With the proposed techniques, not only is it direct to build an implicit blending operation with controllable blending range, but also the blending operation can be co...