Method and device for imaging using several exposure times

Details Method and device for imaging using several exposure times Method and device for imaging using several exposure times

2007-09-18

2007-09-18

Moe, Aung S. (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S475000, C358S509000, C358S514000, C358S520000, C358S483000, C348S311000, C348S226100, C250S208100

Reexamination Certificate

active

10450938

ABSTRACT:
In a method for imaging, a plurality of image sensor elements is used, which generate different output signal values when using different exposure times. For each image sensor element, an image signal value is generated by generating a first output signal value when using a first exposure time and an associated second output signal value using a second exposure time. If the first output signal value does not exceed a threshold value associated thereto, the image signal value is calculated using a first calculating rule on the basis of the first output signal value. If the first output signal value exceeds the threshold value, the image signal value is calculated using at least a second calculating rule on the basis of at least the second output signal value. By the calculating rules, the first and second output signal values are shifted relative to each other and adjusted such that no detectable discontinuity occurs between an image signal value still calculated according to the first calculating rule and an image signal value already calculated according to the second calculating rule.

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