US 11,657,623 B2
Traffic information providing method and device, and computer program stored in medium in order to execute method
Yeonsik Seo, Seongnam-si (KR)
Assigned to HANWHA TECHWIN CO., LTD., Seongnam-si (KR)
Filed by HANWHA TECHWIN CO., LTD., Seongnam-si (KR)
Filed on Aug. 11, 2022, as Appl. No. 17/885,921.
Application 17/885,921 is a continuation of application No. 16/648,667, granted, now 11,436,841, previously published as PCT/KR2017/012462, filed on Nov. 6, 2017.
Prior Publication US 2022/0392233 A1, Dec. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 7/18 (2006.01); G06V 20/58 (2022.01); G06F 16/432 (2019.01); G06Q 50/26 (2012.01); G06Q 50/30 (2012.01); G06V 20/54 (2022.01)
CPC G06V 20/584 (2022.01) [G06F 16/434 (2019.01); G06Q 50/26 (2013.01); G06Q 50/30 (2013.01); G06V 20/54 (2022.01)] 12 Claims
OG exemplary drawing
 
1. An object tracking method, comprising:
generating an object tag for frames included in images captured by at least one camera photographing a traffic information, by recognizing at least one of a person and a vehicle from the frames; and
generating an event tag referring to the object tag, the event tag comprising a getting-in event tag and a getting-off event tag,
wherein the getting-in event tag is generated, when a vehicle and a person within a predetermined distance from the vehicle are recognized from a first frame, and the vehicle is recognized while the person is not recognized from a second frame following the first frame, and
wherein the getting-off event tag is generated, when a vehicle is recognized while no person is recognized from a third frame and the vehicle and a person within the predetermined distance from the vehicle are recognized from a fourth frame following the third frame.