US 12,243,299 B2
Object tracking apparatus, object tracking method and recording medium
Hiroshi Fukui, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/788,444
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Dec. 26, 2019, PCT No. PCT/JP2019/051088
§ 371(c)(1), (2) Date Jun. 23, 2022,
PCT Pub. No. WO2021/130951, PCT Pub. Date Jul. 1, 2021.
Prior Publication US 2023/0031931 A1, Feb. 2, 2023
Int. Cl. G06V 10/82 (2022.01); G06T 7/246 (2017.01); G06T 7/70 (2017.01)
CPC G06V 10/82 (2022.01) [G06T 7/246 (2017.01); G06T 7/70 (2017.01); G06V 2201/07 (2022.01)] 15 Claims
OG exemplary drawing
 
14. An object tracking method including:
generating, based on a first position information related to a position of an object in a first image captured at a first time and a second position information related to a position of an object in a second image captured at a second time that is different from the first time, a first feature vector representing a feature of the first position information and a second feature vector representing a feature of the second position information; and
generating, as a correspondence information indicating a correspondence relationship between the object in the first image and the object in the second image, an information that is obtained by a calculation processing using the first and the second feature vectors.