(19) United States
(12) Patent Application Publication (io) Pub. No.: US 2002/0054356 Al
Kurita et al. (43) Pub. Date: May 9,2002
(54) IMAGE PROCESSING APPARATUS AND
METHOD USING IMAGE INFORMATION
AND ADDITIONAL INFORMATION OR AN
ADDITIONAL PATTERN ADDED THERETO
OR SUPERPOSED THEREON
(76) Inventors: Mitsuru Kurita, Tokyo (JP);
Katsuyoshi Maeshima, Kanagawa-ken
(JP); Masahiro Funada, Kanagawa-ken
(JP); Yasumichi Suzuki, Kanagawa-ken
(JP); Yoichi Takaragi, Kanagawa-ken
(JP); Akiko Kanno, Kanagawa-ken
(JP); Koichi Ishimoto, Kanagawa-ken
(JP)
Correspondence Address:
FITZPATRICK CELLA HARPER & SCINTO
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112 (US)
(21) Appl. No.: 09/993,725
(22) Filed: Nov. 27, 2001
Related U.S. Application Data
(60) Division of application No. 08/863,468, filed on May 27, 1997, now abandoned, which is a continuation of
SHADING CORRECTION
CIRCUIT
TIMING CORRECTION
CIRCUIT