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1. WO2020117378 - COLOR FRINGING PROCESSING INDEPENDENT OF TONE MAPPING

Publication Number WO/2020/117378
Publication Date 11.06.2020
International Application No. PCT/US2019/056741
International Filing Date 17.10.2019
IPC
H04N 1/58 2006.01
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
58Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
G06T 5/00 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
5Image enhancement or restoration
H04N 1/60 2006.01
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
H04N 1/62 2006.01
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
62Retouching, i.e. modification of isolated colours only or in isolated picture areas only
H04N 1/387 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
387Composing, repositioning or otherwise modifying originals
H04N 5/341 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
30Transforming light or analogous information into electric information
335using solid-state image sensors
341Extracting pixel data from an image sensor by controlling scanning circuits, e.g. by modifying the number of pixels having been sampled or to be sampled
CPC
G06T 2207/10024
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10024Color image
G06T 5/005
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
5Image enhancement or restoration
001Image restoration
005Retouching; Inpainting; Scratch removal
H04N 1/3876
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
387Composing, repositioning or otherwise ; geometrically; modifying originals
3876Recombination of partial images to recreate the original image
H04N 1/58
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
58Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
H04N 1/6027
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
6027Correction or control of colour gradation or colour contrast
H04N 1/62
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
62Retouching, i.e. modification of isolated colours only or in isolated picture areas only
Applicants
  • GOPRO, INC. [US]/[US]
Inventors
  • GUÉRIN, Guillaume Matthieu
  • CARON, Julien
Agents
  • BASILE, JR., Andrew R.
  • KNIGHT, Michelle L.
Priority Data
62/775,48405.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COLOR FRINGING PROCESSING INDEPENDENT OF TONE MAPPING
(FR) TRAITEMENT DE FRANGES DE COULEUR INDÉPENDANT DU MAPPAGE DE TON
Abstract
(EN)
Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor, detecting, in a linear domain, color fringing areas in the image, correcting detected color fringing areas to obtain a corrected image, performing tone mapping to the corrected image to obtain a tone mapped image and storing, displaying, or transmitting an output image based on at least the tone mapped image.
(FR)
L'invention concerne des systèmes et des procédés de traitement de signaux d'image. Par exemple, des procédés peuvent consister à recevoir une image provenant d'un capteur d'image, à détecter, dans un domaine linéaire, des zones de franges de couleur dans l'image, à corriger des zones de franges de couleur détectées pour obtenir une image corrigée, à réaliser un mappage de tons sur l'image corrigée pour obtenir une image mappée en tons et à stocker, afficher ou transmettre une image de sortie sur la base d'au moins l'image mappée en tons.
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