SYSTEM AND METHOD FOR AUTOMATIC EXPOSURE AND DYNAMIC RANGE COMPRESSION
A method of capturing a digital image with a digital camera includes determining a first exposure level for capturing an image based on a first luminance level of the image, determining a second exposure level for capturing the image based on a threshold exposure level of the image, configuring an e...
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| Main Author | |
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| Format | Patent |
| Language | English French |
| Published |
22.01.2015
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A method of capturing a digital image with a digital camera includes determining a first exposure level for capturing an image based on a first luminance level of the image, determining a second exposure level for capturing the image based on a threshold exposure level of the image, configuring an exposure level of a sensor of the digital camera based on the second exposure level, capturing the image as a digital image, and adding a non-linear digital gain to the digital image based on a difference between the first exposure level and the second exposure level.
L'invention concerne un procédé de capture d'une image numérique au moyen d'un appareil photographique numérique, lequel procédé consiste à déterminer un premier niveau d'exposition pour capturer une image sur la base d'un premier niveau de luminance de l'image, à déterminer un second niveau d'exposition pour capturer l'image sur la base d'un niveau d'exposition seuil de l'image, à configurer un niveau d'exposition d'un capteur de l'appareil photographique numérique sur la base du second niveau d'exposition, à capturer l'image sous la forme d'une image numérique, et à ajouter un gain numérique non linéaire à l'image numérique sur la base d'une différence entre le premier niveau d'exposition et le second niveau d'exposition. |
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| AbstractList | A method of capturing a digital image with a digital camera includes determining a first exposure level for capturing an image based on a first luminance level of the image, determining a second exposure level for capturing the image based on a threshold exposure level of the image, configuring an exposure level of a sensor of the digital camera based on the second exposure level, capturing the image as a digital image, and adding a non-linear digital gain to the digital image based on a difference between the first exposure level and the second exposure level.
L'invention concerne un procédé de capture d'une image numérique au moyen d'un appareil photographique numérique, lequel procédé consiste à déterminer un premier niveau d'exposition pour capturer une image sur la base d'un premier niveau de luminance de l'image, à déterminer un second niveau d'exposition pour capturer l'image sur la base d'un niveau d'exposition seuil de l'image, à configurer un niveau d'exposition d'un capteur de l'appareil photographique numérique sur la base du second niveau d'exposition, à capturer l'image sous la forme d'une image numérique, et à ajouter un gain numérique non linéaire à l'image numérique sur la base d'une différence entre le premier niveau d'exposition et le second niveau d'exposition. |
| Author | GALOR, MICHA |
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| DocumentTitleAlternate | SYSTÈME ET PROCÉDÉ POUR UNE EXPOSITION AUTOMATIQUE ET UNE COMPRESSION DE PLAGE DYNAMIQUE |
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| Notes | Application Number: WO2014US46882 |
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| RelatedCompanies | QUALCOMM TECHNOLOGIES, INC |
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| Snippet | A method of capturing a digital image with a digital camera includes determining a first exposure level for capturing an image based on a first luminance level... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION |
| Title | SYSTEM AND METHOD FOR AUTOMATIC EXPOSURE AND DYNAMIC RANGE COMPRESSION |
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