Method of defining coefficients for use in interpolating...

Details Method of defining coefficients for use in interpolating... Method of defining coefficients for use in interpolating...

2005-11-29

2005-11-29

Tran, Phuoc (Department: 2621)

Image analysis

Color image processing

Color correction

C382S279000, C382S300000, C358S296000

Reexamination Certificate

active

06970597

ABSTRACT:
A method for generating coefficients for a set of convolution kernels for use in interpolating pixel values in an image sensor is described. The coefficients are computed by applying a constraint matrix specifying one or more constraints. The method includes generating ideal sensor data representative of a test image in a first color plane, generating sensor data of the test image, generating f data matrices including pixel data from multiple neighborhoods of pixels in the pixel array, and determining the coefficients for f convolution kernels using the ideal sensor data, the f data matrices and by applying one or more constraints. The use of a constraint matrix greatly simplifies the computation of the coefficients and can be applied in image processing to generate a high quality full color image.

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Brainard, David H., “An Ideal Observer for Appearance: Reconstruction from Samples,” (Dec. 1995) pp. 1-19.

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