the region being a block, e.g. a macroblock

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using adaptive coding > characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding > the unit being an image region, e.g. an object > the region being a block, e.g. a macroblock