Composing an image from sub-images

Details Composing an image from sub-images Composing an image from sub-images

1995-12-13

1997-02-11

Wong, Don

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 9812, H05G 164

Patent

active

056028962

ABSTRACT:
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.

REFERENCES:
patent: 5436952 (1995-07-01), Haendle et al.

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