Image processing apparatus and method

Details Image processing apparatus and method Image processing apparatus and method

2011-08-16

2011-08-16

Tran, Phuoc (Department: 2624)

Image analysis

Color image processing

C382S275000

Reexamination Certificate

active

08000523

ABSTRACT:
An image processing apparatus according to the present invention comprises an object area extracting unit for extracting an object area including an object pixel and pixels adjacent to the object pixel from a bayer pattern image; a fault pixel judging unit for determining if the object pixel is a fault pixel based on levels of the adjacent pixels and a fault pixel judgment standard range that varies according to a level of the object pixel; and a fault pixel correcting unit for correcting the level of the object pixel determined to be a fault pixel based on a level average value of the adjacent pixels and a fault pixel correction standard range that varies according to the level average value of the adjacent pixels.Therefore, the present invention can remove a hot pixel and noise effectively.

REFERENCES:
patent: 6724945 (2004-04-01), Yen et al.
patent: 7706609 (2010-04-01), Bennett et al.
patent: 10-2002-0093073 (2002-12-01), None
patent: 10-2002-0093076 (2002-12-01), None
patent: 10-2006-0038681 (2006-05-01), None
patent: 10-2006-0042312 (2006-05-01), None

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