METHOD AND APPARATUS FOR COLOR SMOOTHING IN AN ALPHA MATTING PROCESS

METHOD AND APPARATUS FOR COLOR SMOOTHING IN AN ALPHA MATTING PROCESS

A method for color correction in an alpha matting process for an image and an apparatus (20) configured to perform the method are described. The apparatus (20) comprises a parameter retrieving unit (23) that retrieves (10) an initial image representing unmixed colors, e.g. from a color estimator (24...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOERENTRUP, JOBST, SCHLOSSER, MARKUS
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Beschreibung
Zusammenfassung:A method for color correction in an alpha matting process for an image and an apparatus (20) configured to perform the method are described. The apparatus (20) comprises a parameter retrieving unit (23) that retrieves (10) an initial image representing unmixed colors, e.g. from a color estimator (24) or by resorting to a previously generated initial image. An edge-preserving smoothing filter (25) then filters (11) the initial image.