Image processing device

Details Image processing device Image processing device

2007-05-22

2007-05-22

Wu, Jingge (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

C250S205000, C345S020000, C348S251000, C358S461000

Reexamination Certificate

active

10609493

ABSTRACT:
An image processing device for emphasizing a specified luminance area of an image taken by an image sensor. The contrast between a bright portion and a dark portion of an image taken by the image sensor having a wide dynamic range of a logarithmic output characteristic can be increased by selectively emphasizing the image sensor output of any luminance area by using an output characteristic conversion table.

REFERENCES:
patent: 5420631 (1995-05-01), Hamasaki
patent: 5808677 (1998-09-01), Yonemoto
patent: 6163621 (2000-12-01), Paik et al.
patent: 6463173 (2002-10-01), Tretter
patent: 2002/0025079 (2002-02-01), Kuwata et al.
patent: 11-211565 (1999-08-01), None
patent: P2000-329616 (2000-11-01), None

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