US 12,169,620 B2
Video display method, device and system, and video camera
Wenwei Li, Hangzhou (CN)
Assigned to HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD., Hangzhou (CN)
Appl. No. 17/285,727
Filed by Hangzhou Hikvision Digital Technology Co., Ltd., Hangzhou (CN)
PCT Filed Jan. 16, 2020, PCT No. PCT/CN2020/072521
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/147792, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 201910040917.7 (CN), filed on Jan. 16, 2019; and application No. 201910040919.6 (CN), filed on Jan. 16, 2019.
Prior Publication US 2022/0004748 A1, Jan. 6, 2022
Int. Cl. G06F 3/0482 (2013.01); G06F 3/0481 (2022.01); G06F 3/04842 (2022.01); G06F 18/22 (2023.01); G06T 7/292 (2017.01); G06T 11/00 (2006.01); G06V 20/52 (2022.01); G06V 40/10 (2022.01); G06V 40/16 (2022.01); H04N 7/18 (2006.01); H04N 23/698 (2023.01); H04N 23/90 (2023.01)
CPC G06F 3/0482 (2013.01) [G06F 3/0481 (2013.01); G06F 3/04842 (2013.01); G06F 18/22 (2023.01); G06T 7/292 (2017.01); G06T 11/00 (2013.01); G06V 20/52 (2022.01); G06V 40/103 (2022.01); G06V 40/16 (2022.01); H04N 7/181 (2013.01); H04N 23/698 (2023.01); H04N 23/90 (2023.01); G06T 2207/30196 (2013.01); G06V 40/173 (2022.01)] 4 Claims
OG exemplary drawing
 
1. A method for video display, which is applied to a server having a graphical user interface, wherein the graphical user interface comprises:
a video display window, located on a left side of the graphical user interface and configured for displaying a video frame sent by a camera in real time; wherein the video frame comprises N targets, wherein N is a positive integer, and N≥1;
a window list, located on a right side of the graphical user interface and configured for displaying alarm information associated with each target sent by the camera; wherein the alarm information associated with each target comprises track information of the target and an image containing the target, wherein the track information of the target comprises at least one image coordinate of the target, and the image containing the target comprises a face image and/or a human body image of the target, and the alarm information comprises a pre-stored corresponding relationship between a global identifier, the track information, and the image containing the target;
a play control, located on an upper right side of the video display window, and configured for displaying the face image or the human body image comprised in the alarm information;
the method comprising:
receiving a selection instruction, input from the outside, for the alarm information displayed in the window list, to select alarm information associated with a target D from the alarm information displayed in the window list, wherein the target D is a target among the N targets;
acquiring the track information comprised in the alarm information, wherein the track information comprises at least one image coordinate of the target D, wherein acquiring the track information comprised in the alarm information comprises: determining a first global identifier corresponding to an image containing the target D in the alarm information based on the pre-stored corresponding relationship; and determining the track information corresponding to the first global identifier based on the pre-stored corresponding relationship;
superimposing the at least one image coordinate on the video frame for displaying in the video display window, wherein superimposing the at least one image coordinate on the video frame for displaying comprises: selecting target image coordinates meeting a preset condition in the at least one image coordinate comprised in the alarm information, and superimposing the target image coordinates on the video frame in a form of points or a connection line for displaying, wherein the preset condition is that a distance between two image coordinates is greater than a distance threshold, or that an interval between a time at which the target D reaches one of two image coordinates and a time at which the target D reaches the other of the two image coordinates is greater than a time threshold; and
acquiring the face image or the human body image of the target D comprised in the alarm information, and controlling the play control to display the acquired face image or human body image of the target D.