Method and device for processing an image signal

Details Method and device for processing an image signal Method and device for processing an image signal

2007-02-14

2010-11-16

Bella, Matthew C (Department: 2624)

Image analysis

Image enhancement or restoration

Image filter

C382S199000, C382S266000

Reexamination Certificate

active

07835585

ABSTRACT:
A method for processing an image signal includes evaluating an edge factor based on a characteristic of an original image signal. A gain-adjusted calibration signal is generated based on the edge factor. The original image signal and the gain-adjusted calibration signal are summed to generate a transient-improved image signal. Accordingly, an image signal transient is adaptively improved depending on edge characteristic.

REFERENCES:
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patent: 5321511 (1994-06-01), Min
patent: 5739820 (1998-04-01), Lyon
patent: 5799111 (1998-08-01), Guissin
patent: 6618097 (2003-09-01), Yamada
patent: 2003/0156223 (2003-08-01), Min
patent: 2005/0008251 (2005-01-01), Chiang
patent: 2001-257909 (2001-09-01), None
English Abstract for Publication No. 2001-257909, Sep. 21, 2001.

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