(19)
(11) EP 2 048 490 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
28.08.2013 Bulletin 2013/35

(45) Mention of the grant of the patent:
26.06.2013 Bulletin 2013/26

(21) Application number: 07791148.5

(22) Date of filing: 23.07.2007
(51) International Patent Classification (IPC): 
G01N 21/47(2006.01)
(86) International application number:
PCT/JP2007/064415
(87) International publication number:
WO 2008/010592 (24.01.2008 Gazette 2008/04)

(54)

METHOD FOR ESTIMATING REFLECTANCE

VERFAHREN ZUR REFLEKTANZSCHÄTZUNG

PROCÉDÉ POUR ESTIMER UNE RÉFLECTANCE


(84) Designated Contracting States:
BE DE

(30) Priority: 21.07.2006 JP 2006199967

(43) Date of publication of application:
15.04.2009 Bulletin 2009/16

(73) Proprietor: TOYOTA JIDOSHA KABUSHIKI KAISHA
Toyota-shi, Aichi-ken, 471-8571 (JP)

(72) Inventor:
  • TAKAGI, Atsushi
    Toyota-shi Aichi-ken, 471-8571 (JP)

(74) Representative: Kuhnen & Wacker 
Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)


(56) References cited: : 
EP-A2- 1 353 156
JP-A- 05 322 655
JP-A- 2006 153 846
US-A1- 2006 092 412
WO-A1-2004/097383
JP-A- 2003 307 456
US-A- 4 572 672
US-B1- 6 249 751
   
  • TAKAGI A ET AL: "Prediction of spectral reflectance factor distribution of color-shift paint finishes" COLOR RESEARCH AND APPLICATION, vol. 32, no. 5, October 2007 (2007-10), pages 378-387, XP002604927 WILEY INTERSCIENCE USA ISSN: 0361-2317
  • TAKAGI A ET AL: "Prediction of spectral reflectance factor distribution of automotive paint finishes" COLOR RESEARCH & APPLICATION, vol. 30, no. 4, August 2005 (2005-08), pages 275-282, XP002604928 WILEY INTERSCIENCE USA ISSN: 0361-2317
  • HONGSONG LI ET AL: "Automated three-axis gonioreflectometer for computer graphics applications" PROCEEDINGS OF THE SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING USA, vol. 5878, 2005, pages 58780S-1-58780S-11, XP002604929 ISSN: 0277-786X
  • GERMER T A ET AL: "Ray model of light scattering by flake pigments or rough surfaces with smooth transparent coatings" APPLIED OPTICS, vol. 43, no. 6, 20 February 2004 (2004-02-20), pages 1266-1274, XP002480866 OPTICAL SOCIETY OF AMERICA, US ISSN: 0003-6935 DOI: 10.1364/AO.43.001266
  • JAFOLLA J C ET AL: "Phenomenological BRDF Modeling for Engineering Applications" PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING (SPIE), SPIE, USA, vol. 3141, 1 January 1997 (1997-01-01), pages 281-292, XP002480868 ISSN: 0277-786X DOI: 10.1117/12.287800
   
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