Bernard Thiesse

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A moving object in front of a stereovision system provides range views of its surface. Assuming that we can reconstruct a seyuence of partial 3 0 descriptions of the whole surface, a rigid displacement of the object between successive views can be estimated. This is known as 30 surface registration problem. The closest relevant works are presented and(More)
In this paper, we first review the main features of a general regression problem in computer vision. Then we underline how the underlying difficulties have been independently addressed by using a set of tools coming from optimization or statistics and how in particular applications, some specific needs have already found relevant answers. Unfortunately, no(More)
In stereovision, the use of frequency domain methods raises the problems of the choice of a family of filters and a strategy to use it. This paper compares three families : Gabor filters, finite prolate spheroidal sequences and Weng's Windowed Fourier of Gaussian (WFG). Then a comparison between two strategies is done : an image-based choice of filters and(More)
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