Selectively outputting image information of differing amplificat

Details Selectively outputting image information of differing amplificat Selectively outputting image information of differing amplificat

1997-04-23

1999-04-13

Moore, David K.

Image analysis

Image transformation or preprocessing

Changing the image coordinates

358448, H04N 140

Patent

active

058945270

ABSTRACT:
An image reader includes a photoelectric converter which reads light carrying image information, a plurality of amplifiers which amplify the photoelectrically converted image information by different amplification factors, a plurality of A/D converters which respectively convert the plurality of pieces of image information amplified by the amplifiers into digital signals, and a selector which selectively outputs the outputs of the respective A/D converters according to displacement of the image information.

REFERENCES:
patent: 4071752 (1978-01-01), Manning
patent: 4349834 (1982-09-01), Tonomura et al.
patent: 4427996 (1984-01-01), Tamura
patent: 4764811 (1988-08-01), Bastiaans
patent: 4780762 (1988-10-01), Nagasaki
patent: 4912557 (1990-03-01), Faroudja
patent: 4918515 (1990-04-01), Faroudja
patent: 5307157 (1994-04-01), Hieda
patent: 5655061 (1997-08-01), Tse et al.
patent: 5754710 (1998-05-01), Sekine et al.

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