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Université de Neuchâtel

Change detection in range imaging for 3D scene segmentation

Schütz, Christian L. ; Hügli, Heinz

In: International Symposium on Lasers, Optics and Vision for Productivity in Manufacturing I (Proceedings of SPIE), 1996, vol. 2786, no. 98, p. 1-9

This paper deals with the problem of segmenting a 3D scene obtained by range imaging. It assumes scenes of arbitrary complexity in which the objects to be recognized are newly added or removed and investigates how the methods of change detection and image difference used in classical image processing can be used in range imaging. In a first step, we consider the case of ideal range images and...

Université de Neuchâtel

Geometric matching for free-form 3D object recognition

Hügli, Heinz ; Schütz, Christian ; Semitekos, Dimitrios

In: Proceeding ACCV'95 (Asian Conference on Computer Vision), 1995, p. 1-6

This paper investigates a new approach to the recognition of 3D objects of arbitrary shape. The proposed solution follows the principle of model-based recognition using geometric 3D models and geometric matching. It is an alternative to the classical segmentation and primitive extraction approach and provides a perspective to escape the difficulties found with it when dealing with free-form...