US 12,190,548 B2
Method, apparatus, system and computer-readable recording medium for feature information
Ji-Hoon Do, Daejeon (KR); Hyoung-Jin Kwon, Daejeon (KR); Dong-Hyun Kim, Daejeon (KR); Youn-Hee Kim, Daejeon (KR); Joo-Young Lee, Daejeon (KR); Se-Yoon Jeong, Daejeon (KR); Jin-Soo Choi, Daejeon (KR); Tae-Jin Lee, Daejeon (KR); Jee-Hoon Kim, Seoul (KR); Dong-Gyu Sim, Seoul (KR); Seoung-Jun Oh, Seongnam-si Gyeonggi-do (KR); Min-Hun Lee, Uijeongbu-si Gyeonggi-do (KR); Yun-Gu Lee, Seongnam-si Gyeonggi-do (KR); Han-Sol Choi, Dongducheon-si Gyeonggi-do (KR); and Kwang-Hwan Kim, Gwangju (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on Sep. 22, 2021, as Appl. No. 17/482,067.
Claims priority of application No. 10-2020-0123346 (KR), filed on Sep. 23, 2020; and application No. 10-2021-0124646 (KR), filed on Sep. 17, 2021.
Prior Publication US 2022/0092827 A1, Mar. 24, 2022
Int. Cl. G06T 9/00 (2006.01); G06N 3/02 (2006.01); G06T 3/4046 (2024.01); G06V 10/40 (2022.01)
CPC G06T 9/002 (2013.01) [G06N 3/02 (2013.01); G06T 3/4046 (2013.01); G06V 10/40 (2022.01)] 12 Claims
OG exemplary drawing
 
2. An encoding method comprising:
extracting first feature information from a reconstructed image;
extracting second feature information from an original image; and
generating residual feature information using the first feature information and the second feature information, wherein
a preprocessed image is generated by performing first preprocessing on the original image,
the first feature information is extracted from the preprocessed image,
the first preprocessing comprises at least one of a resolution subsampling, a temporal subsampling and a spatial subsampling.