Image pickup device with noise data generation

Details Image pickup device with noise data generation Image pickup device with noise data generation

1997-09-17

1999-08-24

Ho, Tuan V.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348244, H04N 964

Patent

active

059430940

ABSTRACT:
An image pickup device including: a solid state image pickup element; a memory; an image pickup data generating unit for generating image pickup data through an image pickup operation of reading data from the solid state image pickup element and A/D converting the data; a first processing unit for storing the image pickup data in the memory; a noise data generating unit for generating noise data through an operation, similar to the image pickup operation in a non-exposure state, of reading data from the solid state image pickup element and A/D converting the data; and a second processing unit for generating a desired image pickup data by subtracting an average data of a plurality of noise data obtained by a plurality of repetitive operations of the noise data generating unit, from the image pickup data stored in the memory means.

REFERENCES:
patent: 4558366 (1985-12-01), Nagumo
patent: 4723170 (1988-02-01), Jaspers
patent: 4760453 (1988-07-01), Hieda
patent: 4839729 (1989-06-01), Ando et al.
patent: 5376966 (1994-12-01), Takase

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