US 12,425,723 B2
Network surveillance camera system and method for operating same
Sujith Raman, Seongnam-Si (KR); Hyun Ho Kim, Seongnam-Si (KR); Kyungduk Kim, Seongnam-Si (KR); Ilhwang Cha, Seongnam-Si (KR); and Jaeyoung Shin, Seongnam-Si (KR)
Assigned to Hanwha Vision Co., Ltd., Seongnam-si (KR)
Appl. No. 17/611,447
Filed by HANWHA VISION CO., LTD., Seongnam-Si (KR)
PCT Filed Jun. 4, 2020, PCT No. PCT/KR2020/007272
§ 371(c)(1), (2) Date Nov. 15, 2021,
PCT Pub. No. WO2020/246823, PCT Pub. Date Dec. 10, 2020.
Claims priority of provisional application 62/857,106, filed on Jun. 4, 2019.
Claims priority of application No. 10-2019-0143648 (KR), filed on Nov. 11, 2019.
Prior Publication US 2022/0239826 A1, Jul. 28, 2022
Int. Cl. H04N 23/661 (2023.01); G06T 7/11 (2017.01); G06V 20/52 (2022.01); G08B 13/196 (2006.01); H04N 21/235 (2011.01); H04N 21/6437 (2011.01)
CPC H04N 23/661 (2023.01) [G06T 7/11 (2017.01); G06V 20/52 (2022.01); G08B 13/19656 (2013.01); H04N 21/235 (2013.01); H04N 21/6437 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A network surveillance camera system comprising:
a camera configured to photograph a surveillance region to acquire video and audio signals for the surveillance region; and
a video receiving device connected to the camera through network for receiving data from the camera in real time,
wherein the camera comprises at least one processor configured to implement;
a metadata generation unit configured to generate video analysis information corresponding to the surveillance region as metadata; and
a still image generation unit configured to generate a still image by cropping a video portion corresponding to an object detected within the surveillance region from among the video analysis information,
wherein the camera is configured to generate the metadata and the still image having mapping relationship,
wherein the metadata comprises identification information about the object which is photographed in the surveillance region and comprises information about a type of the object, and
wherein the video receiving device is configured to generate the still image as a thumbnail image in response to a search request.