Verfahren und Vorrichtung zur Auswertung einer Beleuchtungsbedingung in einem Gesichtsbild

Details

Veröffentlichungs-Nr.

EP3471018

Aktenzeichen

EP18200090

Anmeldetag

12. Oktober 2018

Veröffentlichung

11. Oktober 2023

Erteilung

11. Oktober 2023

Rechtsraum

EP

IPC

G06V10/60G06V40/16

Abstract

The present invention discloses a method and apparatus for evaluating an illumination condition in a face image. The method comprises: decomposing a face image into illumination feature components and face feature components; extracting predetermined areas in the face image; calculating a maximum luminance feature, a minimum luminance feature and an illumination direction feature according to illumination feature components in the predetermined areas; and evaluating the illumination condition in the face image according to the maximum luminance feature, the minimum luminance feature and the illumination direction feature.

Anmelder

Firma

FUJITSU LIMITED

Land

🇯🇵 Japan

Fachgebiete