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(11) | EP 3 001 670 A8 |
| (12) | CORRECTED EUROPEAN PATENT APPLICATION |
| Note: Bibliography reflects the latest situation |
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| (54) | EFFICIENT DARK CURRENT SUBTRACTION IN AN IMAGE SENSOR |
| (57) A method for dark current subtraction which enables a dark frame to be reused for
dark current subtraction for multiple image frames. The dark frame is reused by scaling
it according to changes in the dark current levels associated with the dark frame
and the image frames.
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