Mobile Rechnervorrichtung zur Durchführung von Farbechtheitsmessungen

Details

Veröffentlichungs-Nr.

EP4187217

Aktenzeichen

EP21210696

Anmeldetag

26. November 2021

Veröffentlichung

24. September 2025

Erteilung

24. September 2025

Rechtsraum

EP

IPC

G01J3/02G01J3/46G01J3/52

Abstract

Disclosed herein is a portable computing device (100) comprising a camera. The execution of machine executable instructions (119) causes a computational system to (102): control (300) the camera to acquire a digital image 120); identify (302) a reference region (122) within the digital image; identify (304) a sample region (124) within the digital image; identify (306) a color reference region (126) in the digital image; receive (308) a reference color distance (136) for each of multiple color fastness values (140); calculate (310) a pixel wise sample color distance (134) between pixels in the sample region and the reference region; calculate (314) a pixel wise color fastness value (138) of the individual pixels in the sample region; and select (316) a color fastness value (140) for the sample region using the pixel wise color fastness value.

Anmelder

Firma

Kuraray Europe GmbH

Land

🇩🇪 Deutschland

Fachgebiete