Method and apparatus for rapid capture of focused...

H - Electricity – 04 – N

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H04N 5/335 (2006.01) G02B 7/28 (2006.01) G02B 21/26 (2006.01) G02B 21/36 (2006.01) H04N 5/232 (2006.01) H04N 5/235 (2006.01) H04N 5/262 (2006.01)

Patent

CA 2199407

A high speed image capture apparatus (100) includes a camera (102) with an integration period between consecutive flashes of an illuminating light pulse (605), where the camera (102) has an image read out period and an image output. A timer (612) provides a strobe output (608) representative of the start of a flash (605). An image capture apparatus (516) captures a first image during the integration period and a second image within a predetermined time after capturing the first image but before the image read out period (Fig. 7) has elapsed so as to substantially increase a rate of producing usable image outputs. The image capture apparatus (516) is coupled to the strobe output and the image output.

Un appareil d'acquisition d'images ultra-rapide (100) comprend une caméra (102) avec une période d'intégration entre les flashs consécutifs d'une impulsion lumineuse d'éclairage (605). La caméra (102) présente une période de lecture d'image et un signal de sortie d'image. Un synchronisateur (612) fournit une impulsion d'activation de sortie (608) représentative du début d'un flash (605). Un appareil d'acquisition d'images (516) capture une première image pendant la période d'intégration et une deuxième image dans un temps prédéterminé après avoir capturé la première image mais avant la fin de la période de lecture d'image (fig. 7). Ceci permet d'augmenter sensiblement la vitesse de production de signaux d'images utilisables. L'appareil d'acquisition d'images (516) est couplé à l'impulsion d'activation de sortie et au signal de sortie d'image.

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