| 摘要 |
An image pick-up apparatus (1) comprises a plurality of image sensors (2, 3) for picking up sub-images and for supplying electronic sub-image signals. A combination unit (4) forms an electronic image signal for a composite image from the sub-image signals. The image pick-up apparatus also comprises a correction unit (5) for compensating differences in the electronic sub-image signals which are not related to image information per se. To this end, the correction unit (5) multiplies brightness values of a first sub-image per image column and brightness values of a second sub-image per image line. Suitable gain factors are iteratively determined, using a bisection method, from the instantaneous image being picked up, or from a reference image, and are stored in a memory.
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