Image processing system

Details Image processing system Image processing system

2005-04-26

2005-04-26

Yan, Ren (Department: 2854)

Typewriting machines

Including control of format by programmed-control-system

C382S100000

Reexamination Certificate

active

06883982

ABSTRACT:
Composite image information which is generated by embedding invisible sub-information in visible main image information and recorded on a recording medium is read. A spatial frequency component unique to key information used to restore the sub-information is extracted from the composite image information read from the recording medium. The sub-information is reconstructed from the extracted spatial frequency component.

REFERENCES:
patent: 5407893 (1995-04-01), Koshizuka et al.
patent: 5661574 (1997-08-01), Kawana
patent: 5946414 (1999-08-01), Cass et al.
patent: 5974150 (1999-10-01), Kaish et al.
patent: 5995638 (1999-11-01), Amidror et al.
patent: 6095566 (2000-08-01), Yamamoto et al.
patent: 6438251 (2002-08-01), Yamaguchi
patent: 6556688 (2003-04-01), Ratnakar
patent: 6724921 (2004-04-01), Yamaguchi
patent: 6823078 (2004-11-01), Florent et al.
patent: 20010040980 (2001-11-01), Yamaguchi
patent: 20020080996 (2002-06-01), Rhoads
patent: 20020118887 (2002-08-01), Gindele
patent: 20030035045 (2003-02-01), Miki
patent: 20030053712 (2003-03-01), Jansson
patent: 20030152227 (2003-08-01), Javidi
patent: 20040146159 (2004-07-01), Rosen
patent: 20040150747 (2004-08-01), Sita
patent: 0 921 675 (1999-06-01), None
patent: 1 014 318 (2000-06-01), None
patent: 1 136 947 (2001-09-01), None
patent: 1 168 817 (2002-01-01), None
patent: 6-59739 (1994-03-01), None
patent: 9-248935 (1997-09-01), None
patent: 11-168616 (1999-06-01), None
patent: 11-355554 (1999-12-01), None
patent: 2001-268346 (2001-09-01), None
patent: 2001-274971 (2001-10-01), None
A. K. Bhattachariya et al., “Data Embedding in Text for a Copier System,” Image Processing, 1999, ICIP 99, Proceedings, pp. 245-249.
D. Delannay et al., “Generalized 2-D Cyclic Patterns for Secret Watermark Generation,” ICIP 2000—IEEE Signal Processing Society International Conference on Image Processing, vol. 2, Sep. 10, 2000, pp. 77-79.

Affiliated with

Also associated with

Rating

Image processing system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image processing system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image processing system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3385531