(19)
(11) EP 0 634 072 A1

(12)

(43) Date of publication:
18.01.1995 Bulletin 1995/03

(21) Application number: 93908287.0

(22) Date of filing: 05.03.1993
(51) International Patent Classification (IPC): 
G06T 1/ 00( . )
H04N 1/ 46( . )
G06T 5/ 00( . )
H04N 1/ 60( . )
(86) International application number:
PCT/US1993/002075
(87) International publication number:
WO 1993/020648 (14.10.1993 Gazette 1993/25)
(84) Designated Contracting States:
BE DE FR GB IT NL

(30) Priority: 02.04.1992 US 19920862346

(71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY
St. Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • RYLANDER, Richard, L.
    Saint Paul, MN 55133-3427 (US)
  • VER MURLEN, Mark, E.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Postfach 86 07 67
D-81634 München
D-81634 München (DE)

   


(54) COLOR CORRECTION WITH A FOUR-DIMENSIONAL LOOK-UP TABLE