Estimating a point spread function of an image capture device

Details Estimating a point spread function of an image capture device Estimating a point spread function of an image capture device

2011-07-19

2011-07-19

Couso, Yon (Department: 2624)

Image analysis

Image enhancement or restoration

Artifact removal or suppression

C382S266000

Reexamination Certificate

active

07983509

ABSTRACT:
In a method for estimating a point spread function of an image capture device, a first function representing a captured version of a first test image is obtained, where the first test image containing a substantially ideal vertical transition. A second function representing a captured version of a second test image is also obtained, where the second test image contains a substantially ideal horizontal transition. In addition, the point spread function is estimated from the first function and the second function. Also disclosed herein is a method for image degradation compensation that employs the method for estimating a point spread function.

REFERENCES:
patent: 6154574 (2000-11-01), Paik et al.
patent: 7728844 (2010-06-01), Trimeche et al.
patent: 2007/0165961 (2007-07-01), Lu
patent: 2010/0080487 (2010-04-01), Yitzhaky et al.

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