Patent ID: 7489363
Filing Date: 2009-02-10
Classification: G06T,H04N

Abstract:
1. A method of scaling a partial area of a main picture, comprising: a main scaler extracting image data of the partial area to be scaled from full image data according to prescribed scaling information including magnification/reduction information for the partial area of a display picture; a sub-scaler scaling the extracted image data of the partial area at a prescribed rate, wherein one of a plurality of predefined data paths for inputting the extracted image data to the sub-scaler is selected by determining a video mode associated with the display picture, the plurality of predefined data paths associated with a plurality of predefined image modes; inputting the extracted image data of the partial area to the sub-scaler via the selected data path; and overlaying the scaled image data of the partial area on the full image data provided from the main scaler.