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1. US20110150360 - ADJUSTMENT FOR OUTPUT IMAGE OF IMAGE DATA

Office
États-Unis d'Amérique
Numéro de la demande 13040104
Date de la demande 03.03.2011
Numéro de publication 20110150360
Date de publication 23.06.2011
Type de publication A1
CIB
G06K 9/40
GPHYSIQUE
06CALCUL; COMPTAGE
KRECONNAISSANCE DES DONNÉES; PRÉSENTATION DES DONNÉES; SUPPORTS D'ENREGISTREMENT; MANIPULATION DES SUPPORTS D'ENREGISTREMENT
9Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
36Prétraitement de l'image, c. à d. traitement de l'information image sans se préoccuper de l'identité de l'image
40Filtrage du bruit
CPC
H04N 1/407
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
40Picture signal circuits
407Control or modification of tonal gradation or of extreme levels, e.g. background level
H04N 1/6083
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
46Colour picture communication systems
56Processing of colour picture signals
60Colour correction or control
6083controlled by factors external to the apparatus
H04N 1/6086
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
46Colour picture communication systems
56Processing of colour picture signals
60Colour correction or control
6083controlled by factors external to the apparatus
6086by scene illuminant, i.e. conditions at the time of picture capture, e.g. flash, optical filter used, evening, cloud, daylight, artificial lighting, white point measurement, colour temperature
Déposants Nakami Yoshihiro
Inventeurs Nakami Yoshihiro
Données relatives à la priorité 2001-34539(P) 09.02.2001 JP
Titre
(EN) ADJUSTMENT FOR OUTPUT IMAGE OF IMAGE DATA
Abrégé
(EN)

If a memory card is inserted in a slot, a control circuit of a color printer acquires image output control information from the memory card and analyzes this information. A CPU modifies a brightness standard value Bstd corresponding to a brightness parameter by taking account of a preset exposure bias value when an exposure bias value other than zero is set. The CPU determines the brightness correction level Brev by correcting the brightness representative value Brep so as to bring it closer to the brightness standard value Bstd that has been modified, and adjusts the image quality of image data by taking account of the brightness correction level Brev. As a result, the image quality of image data can be automatically adjusted without degrading output conditions that have been set arbitrarily.