Image decoding method including: receiving an encoded bitstream including information of I and P frames; and executing motion compensation by synthesizing a predicted image of a current frame using motion vector information included in the encoded bitstream and a reference image which is a previously...http://www.google.de/patents/US7929780?utm_source=gb-gplus-sharePatent US7929780 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images
