US 12,137,248 B2
Apparatus and method for encoding and decoding moving picture using adaptive scanning
Jeong-Il Seo, Daejeon (KR); Wook-Joong Kim, Daejeon (KR); Kyu-Heon Kim, Daejeon (KR); Kyeong-Ok Kang, Daejeon (KR); Jin-Woo Hong, Daejeon (KR); Yung-Lyul Lee, Seoul (KR); Ki-Hun Han, Seoul (KR); Jae-Ho Hur, Paju-si (KR); Dong-Gyu Sim, Paju-si (KR); and Seoung-Jun Oh, Seoul (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on Jun. 23, 2023, as Appl. No. 18/340,381.
Application 18/340,381 is a continuation of application No. 17/446,091, filed on Aug. 26, 2021, granted, now 11,729,423.
Application 17/446,091 is a continuation of application No. 16/744,384, filed on Jan. 16, 2020, granted, now 11,134,274, issued on Sep. 28, 2021.
Application 16/744,384 is a continuation of application No. 16/216,551, filed on Dec. 11, 2018, granted, now 10,575,016, issued on Feb. 25, 2020.
Application 16/216,551 is a continuation of application No. 15/794,568, filed on Oct. 26, 2017, granted, now 10,187,660, issued on Jan. 22, 2019.
Application 15/794,568 is a continuation of application No. 14/750,202, filed on Jun. 25, 2015, granted, now 9,838,714, issued on Dec. 5, 2017.
Application 14/750,202 is a continuation of application No. 13/910,639, filed on Jun. 5, 2013, granted, now 9,118,892, issued on Aug. 25, 2015.
Application 13/910,639 is a continuation of application No. 13/469,536, filed on May 11, 2012, granted, now 8,520,729, issued on Aug. 27, 2013.
Application 13/469,536 is a continuation of application No. 12/090,699, granted, now 8,199,819, issued on Jun. 12, 2012, previously published as PCT/KR2006/004260, filed on Oct. 19, 2006.
Claims priority of application No. 10-2005-0099733 (KR), filed on Oct. 21, 2005.
Prior Publication US 2023/0336781 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/61 (2014.01); H04N 19/129 (2014.01); H04N 19/159 (2014.01); H04N 19/176 (2014.01)
CPC H04N 19/61 (2014.11) [H04N 19/129 (2014.11); H04N 19/159 (2014.11); H04N 19/176 (2014.11)] 3 Claims
OG exemplary drawing
 
1. A method of decoding image, the method comprising:
performing entropy decoding of a bitstream to obtain entropy-decoded signals;
determining an intra prediction mode;
determining a scanning method based on the intra prediction mode; and
reconstructing a block using the entropy-decoded signals and the scanning method,
wherein the scanning method comprises:
performing a horizontal scan, which scans coefficients of a first row of the entropy-decoded signals in priority to other rows of the entropy-decoded signals, in response to the intra prediction mode being a vertical intra prediction mode; and
performing a vertical scan, which scans coefficients of a first column of the entropy-decoded signals in priority to other columns of the entropy-decoded signals, in response to the intra prediction mode being a horizontal intra prediction mode.