Image illumination optimizing

Details Image illumination optimizing Image illumination optimizing

H - Electricity

04

N

H04N 5/235 (2006.01) A61B 1/04 (2006.01) H04N 5/225 (2006.01)

Patent

CA 2347292

The brightness of an actual image produced by an image sensor (74) (e.g., CCD) of an electronic camera, is controlled with image size detection circuitry (75) which, in response to electrical signals received from the electronic camera, determines an actual image area (96) occupying a total image area (94) of the image sensor. A control signal, based on the actual image area, is generated and sent (78) to the electronic camera (85) for controlling the electronic shutter (72).

La luminosité d'une image réelle produite par un capteur d'image (74) (par exemple, CCD) d'une caméra électronique, est commandée au moyen d'un circuit de détection (75) de taille d'image qui, en réponse à des signaux électroniques provenant de ladite caméra électronique, détermine une zone (96) d'image réelle occupant une zone d'image totale (94) du capteur d'image. Un signal de commande, basé sur la zone d'image réelle, est produit et émis (78) vers la caméra électronique (82) afin de commander l'obturateur électronique (72).

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