Image processing method, semiconductor device for detecting...

Details Image processing method, semiconductor device for detecting... Image processing method, semiconductor device for detecting...

2005-07-12

2010-12-28

Ometz, David L (Department: 2622)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S156000

Reexamination Certificate

active

07859447

ABSTRACT:
An image processing method for obtaining digital data comprising the steps of obtaining a plurality of image signals under a condition of different accumulation periods as an initial value for a counting operation, comparing, by using digital data for a first image signal of the plurality of image signals, an electric signal corresponding to a second image signal of the plurality of image signals with a reference signal, obtaining digital data for the second image signal, performing a counting operation in a mode having the same sign as the sign of digital data for the first image signal between a down-counting mode and an up-counting mode while the comparing step is being performed, and storing a count value.

REFERENCES:
patent: 5877715 (1999-03-01), Gowda et al.
patent: 6204795 (2001-03-01), Afghahi

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