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Interference detection of arbitrary geometric objects is not a trivial taskdue to the heavy computational load imposed by implementation issues. Thehierarchically structured bounding boxes help us to quickly isolate the contourof segments in interference. In this paper, a new approach is introduced totreat the interference detection problem involving the representation ofarbitrary shaped objects. Our proposed method relies upon searching for thebest possible way to represent contours by means of hierarchically structuredrectangular oriented bounding boxes. This technique handles 2D objectsboundaries defined by closed B-spline curves with roughness details. Eachoriented box is adapted and fitted to the segments of the contour using secondorder statistical indicators from some elements of the segments of the objectcontour in a multiresolution framework. Our method is efficient and robust whenit comes to 2D animations in real time. It can deal with smooth curves andpolygonal approximations as well results are present to illustrate theperformance of the new method.

Oriented bounding boxes using multiresolution contours for fast interference detection of arbitrary geometry objects