Patent ID: 7010045
Filing Date: 2006-03-07
Classification: H04N

Abstract:
1. A video decoder having a digital image stabilization function, the decoder comprising: a VLD for separating an image information and an additional information from an encoded bit stream; a global motion computation unit for extracting a motion vector of a macro block unit from the additional information applied from the VLD, and computing a global motion vector using a local motion vector with respect to a background region in an additional information from the VLD; a time-based integration unit for extracting a frame type from the additional information, judging whether the global motion vector is integrated according to the extracted frame type to generate a judgment, and integrating a global motion vector from the global motion computation unit based on the judgment; and a global motion compensation unit for motion-compensating and stabilizing a recovery image using a global motion vector integrated by the time-based integration unit.