Inter-layer prediction method for video signal

摘要

The present invention relates to a method for conducting interlayer motion prediction in encoding or decoding of video signal. The present method identifies types of pictures on a base layer and a current layer or types of macro blocks included in the pictures, forms a block on a virtual layer by copying motion information of a macro block on the base layer if type of a picture on the current layer or a macro block included therein is identified to field and type of a picture on the base layer or a macro block included therein is identified to progressive, and uses the copied motion information of the block on the virtual layer in interlayer motion prediction for a macro block of the picture on the current layer.