Method of scaling partial area of main picture

Details Method of scaling partial area of main picture Method of scaling partial area of main picture

2004-12-06

2009-02-10

Ometz, David L (Department: 2622)

Television

Image signal processing circuitry specific to television

Special effects

C348S561000, C348S564000, C348S565000, C348S569000, C348S704000, C345S629000, C382S298000

Reexamination Certificate

active

07489363

ABSTRACT:
The present invention provides a method of scaling a partial area of a main picture, by which the partial area of the main picture can be magnified in a manner of scaling the partial area of the picture displayed on a screen like using a virtual magnifier without employing a separate expensive hardware resource. The present invention comprises a first step of making a main scaler extract 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 second step of making a sub-scaler scale the extracted image data of the partial area at a prescribed rate, and a third step of overlaying the scaled image data of the partial area on the full image data provided from the main scaler.

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