Compensation against field shading in video from field-transfer

Details Compensation against field shading in video from field-transfer Compensation against field shading in video from field-transfer

1982-05-27

1985-01-29

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358213, 357 24, 307279, H04N 534

Patent

active

044969821

ABSTRACT:
A video signal originating from a field-transfer CCD imager exhibits field shading attributable to integrated dark currents. A compensating waveform is generated and linearly combined with the video signal to suppress that field shading.

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patent: 4498105 (1985-02-01), Crawshaw
"Virtual-Phase Structure Simplifies Clocking for CCD Image Sensor", E. F. Rybaczewski, Electronics, Apr. 21, 1982, pp. 141-144.

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