Image signal processor, method of operating the image signal processor and image processing system including the image signal processor

Image signal processor, method of operating the image signal processor and image processing system including the image signal processor

An image signal processor includes a first encoder receiving first image data for pixel data in a graphic image and performing compression on the first image data to generate first compressed data, an alpha map scaler extracting an alpha value α of the graphic image from the first image data and gen...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: Byun, Jeong-Moon
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:An image signal processor includes a first encoder receiving first image data for pixel data in a graphic image and performing compression on the first image data to generate first compressed data, an alpha map scaler extracting an alpha value α of the graphic image from the first image data and generating an alpha map for the alpha value α and a second encoder receiving the alpha map and second image data for pixel data in a video image, performing computation on the second image data using the alpha map to generate multiply data and performing compression on the multiply data to generate second compressed data.