Real-time opto-electronic image processor

Details Real-time opto-electronic image processor Real-time opto-electronic image processor

G - Physics

06

T

G06T 5/00 (2006.01) G01J 3/50 (2006.01) G06K 9/32 (2006.01) G06K 9/36 (2006.01) G06K 9/40 (2006.01) G06K 9/58 (2006.01) G06T 5/50 (2006.01)

Patent

CA 2407133

A system and method for real time optical processing of images by simultaneously combining the variable set of images in selected spectral intervals. Spectral images at a plurality of spectral intervals (510) are collected (515) if needed. According to criteria established in a particular application, coefficients for an optimal combination of selected spectral intervals are calculated (520-535). Positive and negative images are continuously captured through the optical filter whose transmission spectrum is adjusted to positive (540-545) and negative (550-555) coefficients of the optimal combination. Negative images are subtracted (560) from positive images and a sequence of resulting optimized images is displayed (565) in real time.

L'invention concerne un système et un procédé de traitement optique d'images en temps réel, qui combinent simultanément l'ensemble variable des images appartenant à des intervalles spectraux sélectionnés (510). Le cas échéant, le système collecte (515) les images spectrales au niveau d'une pluralité d'intervalles spectraux. Selon les critères établis dans le cadre d'une application particulière, on calcule les coefficients garantissant une combinaison optimale des intervalles spectraux sélectionnés (520-535). Les images positives et négatives sont capturées en continu par le filtre optique dont le spectre d'émission a été calé sur les coefficients positifs (540-545) et négatifs (550-555) de la combinaison optimale. Les images négatives sont soustraites (560) des images positives et la séquence d'images optimisées obtenues est affichée (565) en temps réel.

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