Adaptive chroma downsampling and color space conversion techniques

Adaptive chroma downsampling and color space conversion techniques

A method of adaptive chroma downsampling is presented. The method comprises converting a source image to a converted image in an output color format, applying a plurality of downsample filters to the converted image and estimating a distortion for each filter chose the filter that produces the minim...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wu, Hsi-Jung, Singer, David W, Su, Yeping, Tourapis, Alexandros
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:A method of adaptive chroma downsampling is presented. The method comprises converting a source image to a converted image in an output color format, applying a plurality of downsample filters to the converted image and estimating a distortion for each filter chose the filter that produces the minimum distortion. The distortion estimation includes applying an upsample filter, and a pixel is output based on the chosen filter. Methods for closed loop conversions are also presented.