CHROMA CORRECTION OF INVERSE GAMUT MAPPING FOR STANDARD DYNAMIC RANGE TO HIGH DYNAMIC RANGE IMAGE CONVERSION

CHROMA CORRECTION OF INVERSE GAMUT MAPPING FOR STANDARD DYNAMIC RANGE TO HIGH DYNAMIC RANGE IMAGE CONVERSION

Chroma correction of inverse gamut mapping (IGM) for standard dynamic range (SDR) to high dynamic range (HDR) image conversion includes: converting R,G,B color components in the RGB color format of a pixel of an image to an intensity component (I) and chroma components (Ct and Cp) of an ICtCp color...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LACHINE, VLADIMIR
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Beschreibung
Zusammenfassung:Chroma correction of inverse gamut mapping (IGM) for standard dynamic range (SDR) to high dynamic range (HDR) image conversion includes: converting R,G,B color components in the RGB color format of a pixel of an image to an intensity component (I) and chroma components (Ct and Cp) of an ICtCp color format, wherein the R,G,B color components represent red, green, and blue colors; applying an intensity transformation operation on the intensity component (I) of the pixel; executing a chroma correction operation on the transformed intensity component (I) and the chroma components (Ct and Cp) of the pixel; and converting the intensity component (I) and the chroma components (Ct and Cp) of the pixel back to the RGB color format.