TONE MAPPING WITH CONFIGURABLE HDR AND SDR DIFFUSE WHITE LEVELS

A method comprising: obtaining (401) high dynamic range data; computing (402, 403) a first tone mapping curve from the high dynamic range data corresponding to low high dynamic range values of a combined tone mapping curve, the first tone mapping curve ending by a point, called first point, with an...

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Bibliographic Details
Main Authors LOPEZ, Patrick, TOUZE, David, LE NAOUR, Robin, PLISSONNEAU, Frederic
Format Patent
LanguageEnglish
French
German
Published 18.09.2024
Subjects
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Summary:A method comprising: obtaining (401) high dynamic range data; computing (402, 403) a first tone mapping curve from the high dynamic range data corresponding to low high dynamic range values of a combined tone mapping curve, the first tone mapping curve ending by a point, called first point, with an abscissa representative of a high dynamic range diffuse white and an ordinate representative of a standard dynamic range diffuse white, the combined tone mapping curve allowing obtaining standard dynamic range data from the high dynamic range data; and completing (404) the combined tone mapping curve with a second tone mapping curve for high standard dynamic range starting from the first point.
Bibliography:Application Number: EP20220803037