G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 5/00 (2006.01)
Patent
CA 2491751
The invention concerns a method for processing an image acquired through a guide consisting of a plurality of optical fibers. The invention is characterized in that it consists, for each optical fiber, in isolating on the acquired image a zone corresponding to said optical fiber, in locally processing each zone individually to correct the photon flux detected in each optical fiber, then in reconstructing the acquired image by eliminating the pattern caused by the optical fiber. The method also comprises a sampling process for obtaining, for each optical fiber and from a sampling image, a sample injection rate which can be used for reconstructing the acquired images. The invention also includes a prior step which consists in detecting the fibers from a target.
L'invention concerne un procede de traitement d'image acquise au moyen d'un guide constitué par une pluralité de fibres optiques. Selon l'invention, pour chaque fibre optique, on isole sur l'image acquise une zone correspondante à cette fibre optique, on traite localement chaque zone de façon individuelle pour corriger le flux de photon détecté dans chaque fibre optique, puis on reconstruit l'image acquise en éliminant le motif dû aux fibres optiques. Le procédé comprend également un processus d'étalonnage permettant d'obtenir, pour chaque fibre optique et à partir d'une image d'étalonnage, un taux d'injection étalon qui va servir à la reconstruction des images acquises. Le procédé comprend également en premier lieu une étape de détection des fibres à partir d'une image témoin.
Berier Frederic
Le Goualher Georges
Perchant Aymeric
Fetherstonhaugh & Co.
Mauna Kea Technologies
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