US RE50,574 E1
Motion vector coding method and motion vector decoding method
Satoshi Kondo, Yawata (JP); Shinya Kadono, Nishinomiya (JP); Makoto Hagai, Moriguchi (JP); and Kiyofumi Abe, Kadoma (JP)
Assigned to DOLBY INTERNATIONAL AB, Dublin (IE)
Filed by Dolby International AB, Amsterdam Zuidoost (NL)
Filed on Jun. 1, 2020, as Appl. No. 16/889,418.
Application 16/889,418 is a continuation of application No. 16/005,223, filed on Jun. 11, 2018, granted, now RE48035.
Application 11/979,033 is a continuation of application No. 10/468,203, granted, now 7,362,807, issued on Apr. 22, 2008, previously published as PCT/JP03/00055, filed on Jan. 8, 2003.
Application 16/005,223 is a reissue of application No. 11/979,033, filed on Oct. 30, 2007, granted, now 8,401,080, issued on Mar. 19, 2013.
Application 16/005,223 is a reissue of application No. 14/803,739, filed on Jul. 20, 2015, granted, now RE46924, issued on Jun. 26, 2018.
Application 11/979,033 is a reissue of application No. 11/979,033, filed on Oct. 30, 2007, granted, now 8,401,080, issued on Mar. 19, 2013.
Application 16/889,418 is a reissue of application No. 11/979,033, filed on Oct. 30, 2007, granted, now 8,401,080, issued on Mar. 19, 2013.
Claims priority of application No. 2002-001983 (JP), filed on Jan. 9, 2002; application No. 2002-204714 (JP), filed on Jul. 12, 2002; and application No. 2002-346062 (JP), filed on Nov. 28, 2002.
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 7/18 (2006.01); A61B 5/00 (2006.01); A61B 5/022 (2006.01); A61B 5/026 (2006.01); H04N 19/137 (2014.01); H04N 19/184 (2014.01); H04N 19/50 (2014.01); H04N 19/51 (2014.01); H04N 19/513 (2014.01); H04N 19/517 (2014.01); H04N 19/52 (2014.01); H04N 19/533 (2014.01); H04N 19/537 (2014.01); H04N 19/56 (2014.01); H04N 19/577 (2014.01); H04N 19/593 (2014.01); H04N 19/61 (2014.01); H04N 19/105 (2014.01); H04N 19/139 (2014.01); H04N 19/172 (2014.01); H04N 19/176 (2014.01)
CPC H04N 19/52 (2014.11) [A61B 5/022 (2013.01); A61B 5/0261 (2013.01); A61B 5/7207 (2013.01); H04N 19/137 (2014.11); H04N 19/184 (2014.11); H04N 19/50 (2014.11); H04N 19/51 (2014.11); H04N 19/513 (2014.11); H04N 19/517 (2014.11); H04N 19/521 (2014.11); H04N 19/533 (2014.11); H04N 19/537 (2014.11); H04N 19/56 (2014.11); H04N 19/577 (2014.11); H04N 19/593 (2014.11); H04N 19/61 (2014.11); H04N 19/105 (2014.11); H04N 19/139 (2014.11); H04N 19/172 (2014.11); H04N 19/176 (2014.11)] 2 Claims
OG exemplary drawing
 
[ 4. A motion vector decoding method for decoding a coded motion vector of a current block in a moving picture, comprising:
specifying three neighboring blocks which are located in a neighborhood of the current block and are previously decoded;
deriving a predictive motion vector of the current block;
decoding the coded motion vector of the current block using the predictive motion vector, wherein a final motion vector of the current block is determined based on the predictive motion vector and a decoded difference motion vector, and
wherein, deriving the predictive motion vector of the current block comprises:
determining that at least one of the three neighboring blocks is coded in a skip mode or a direct mode based on coding mode information extracted from a bit stream,
responsive to determining that at least one of the three neighboring blocks is coded in a skip mode or a direct mode, deriving the predictive motion vector of the current block based on a motion vector of another block different from the three neighboring blocks. ]