Relief extraction of rough textured reflecting surface by image processing

Huang, Xin; Brochard, Jacques; Helbert, David; Khoudeir, Majdi

doi:10.1117/12.736719

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2008

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“…From this photometric stereo technique, we are currently developing approaches which take into account the specular micro-facets [28] and which explore the generalization of the Lambertian model [29] allowing to consider these various phenomena and to lead to a relief extraction by photometric stereo [30]. Our method enables efficient 3-D surface reconstruction from images acquired in a dynamic environment, i.e.…”

Section: Discussionmentioning

confidence: 99%

Photometric reconstruction of a dynamic textured surface from just one color image acquisition

2008

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Textured surface analysis is essential for many applications. In this paper, we present a three-dimensional recovery approach for real textured surfaces based on photometric stereo. The aim is to be able to measure the textured surfaces with a high degree of accuracy. For this, we use a color digital sensor and principles of color photometric stereo. This method uses a single color image, instead of a sequence of gray-scale images, to recover the surface of the three dimensions. It can thus be integrated into dynamic systems where there is significant relative motion between the object and camera. To evaluate the performances of our method, we compare it, on real textured surfaces to traditional photometric stereo using three images. We show thus that it is possible to have similar results with just one color image.

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Section: Discussionmentioning

confidence: 99%