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1. WO2010005595 - SPECTRAL IMPROVEMENT OF DIGITAL CAMERA COLOR IMAGES

Publication Number WO/2010/005595
Publication Date 14.01.2010
International Application No. PCT/US2009/004041
International Filing Date 09.07.2009
IPC
H04N 5/76 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
76Television signal recording
CPC
H04N 5/2256
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
225Television cameras ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
2256provided with illuminating means
H04N 5/2354
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
222Studio circuitry; Studio devices; Studio equipment ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
225Television cameras ; ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
235Circuitry ; or methods; for compensating for variation in the brightness of the object ; , e.g. based on electric image signals provided by an electronic image sensor
2354by influencing the scene brightness using illuminating means
H04N 9/045
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
04Picture signal generators
045using solid-state devices
H04N 9/735
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
64Circuits for processing colour signals
73colour balance circuits, e.g. white balance circuits, colour temperature control
735for picture signal generators
Applicants
  • SEARETE LLC [US]/[US] (AllExceptUS)
  • MYHRVOLD, Nathan, P. [US]/[US] (UsOnly)
  • TEGREENE, Clarence [US]/[US] (UsOnly)
Inventors
  • MYHRVOLD, Nathan, P.
  • TEGREENE, Clarence
Agents
  • TEGREENE, Clarence, T.
Priority Data
12/218,23011.07.2008US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SPECTRAL IMPROVEMENT OF DIGITAL CAMERA COLOR IMAGES
(FR) AMÉLIORATION SPECTRALE D'IMAGES EN COULEUR DE CAMÉRA NUMÉRIQUE
Abstract
(EN)
Systems and methods for modifying a color image of a scene are provided. The systems and methods involve illuminating at least a portion of the scene with a light having a known spectral power distribution, and detecting a finite number of spectral components of light received from the scene under such illumination. The detected values of spectral components of light received from the scene are used to modify the color image or rendition of the scene.
(FR)
La présente invention concerne des systèmes et des procédés permettant de modifier une image en couleur d'une scène. Les systèmes et les procédés concernent l'éclairage d'au moins une partie de la scène avec une lumière ayant une répartition spectrale énergétique connue, et la détection d'un nombre fini de composantes spectrales d'une lumière reçue en provenance de la scène sous un tel éclairage. Les valeurs détectées des composantes spectrales de la lumière reçue en provenance de la scène sont utilisées pour modifier l'image en couleur ou le rendu de la scène.
Also published as
GB1101754.8
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