Image analysis – Color image processing – Color correction
Reexamination Certificate
2007-11-06
2007-11-06
Bella, Matthew C. (Department: 2624)
Image analysis
Color image processing
Color correction
C382S162000, C382S274000, C348S222100, C348S273000
Reexamination Certificate
active
11069327
ABSTRACT:
A demosaicking method and apparatus for color filter array interpolation in digital image acquisition systems is provided. The method includes a data-training phase and a data-practice phase. In the data-training phase of this invention, a huge volume of image samples are received for statistical analysis and compared with their corresponding full-color images. The optimal samples are then recorded in a database. In the data-practice phase of this invention, the images of color filter array are reconstructed. The present invention not only significantly improves the image quality but also reduces undue hardware cost. Furthermore, it has an advantage of ease of hardware implementation. All the color relationships of neighboring pixels are recorded in a database for statistical analysis. The database is not limited to only one set. It is also pretty flexible, and can be adjusted or updated depending on desired applications.
REFERENCES:
patent: 4630307 (1986-12-01), Cok
patent: 4642678 (1987-02-01), Cok
patent: 4724395 (1988-02-01), Freeman
patent: 5373322 (1994-12-01), Laroche et al.
patent: 5382976 (1995-01-01), Hibbard
patent: 5629734 (1997-05-01), Hamilton, Jr. et al.
patent: 6829016 (2004-12-01), Hung
patent: 7088392 (2006-08-01), Kakarala et al.
patent: 2002/0063789 (2002-05-01), Acharya et al.
patent: 2003/0052981 (2003-03-01), Kakarala et al.
patent: 2003/0117507 (2003-06-01), Kehtarnavaz et al.
patent: 2004/0161145 (2004-08-01), Embler
patent: 2005/0146629 (2005-07-01), Muresan
Effective Color Interpolation In CCD Color Filter Arrays Using Signal Correlation (p. 503-513) IEEE Transactions on Circuits and Systems for Video Technology, vol. 13, No. 6, Jun. 2003.
Color Plane Interpolation Using Alternating Projections (p. 997-1013) IEEE Transactions on Image Processing, vol. 11, No. 9, Sep. 2002.
New Edge-Directed Interpolation (p. 1521-1527) IEEE Transactions on Image Processing, vol. 10, No. 10, Oct. 2001.
Demosaicing: Image Reconstruction from Color CCD Samples (p. 1221- 1228) IEEE Transactions on Image Processing, vol. 8, No. 9, Sep. 1999.
Chen Chih-Lung
Lin Chien-Hong
Wang Chi-Lung
Wu Chung-Hsien
Yin Zong-Yau
Bayat Ali
Bella Matthew C.
Industrial Technology Research Institute
LandOfFree
Demosaicking method and apparatus for color filter array... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Demosaicking method and apparatus for color filter array..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Demosaicking method and apparatus for color filter array... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3843781