US 12,361,566 B2
Method and apparatus for evaluating motion state of traffic tool, device, and medium
Jinglan Su, Shenzhen (CN)
Assigned to Tencent Technology (Shenzhen) Company Limited, Shenzhen (CN)
Filed by Tencent Technology (Shenzhen) Company Limited, Shenzhen (CN)
Filed on Oct. 31, 2022, as Appl. No. 17/978,113.
Application 17/978,113 is a continuation of application No. PCT/CN2022/072436, filed on Jan. 18, 2022.
Claims priority of application No. 202110100057.9 (CN), filed on Jan. 25, 2021.
Prior Publication US 2023/0053952 A1, Feb. 23, 2023
Int. Cl. G06T 7/246 (2017.01); G01C 21/32 (2006.01); G06T 5/50 (2006.01); G06T 5/70 (2024.01)
CPC G06T 7/248 (2017.01) [G01C 21/32 (2013.01); G06T 5/50 (2013.01); G06T 5/70 (2024.01); G06T 7/251 (2017.01); G06T 2207/20021 (2013.01); G06T 2207/20212 (2013.01); G06T 2207/30252 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for evaluating a motion state of a vehicle, performed by a computer device and comprising:
obtaining target image data captured by cameras on the vehicle, and combining every two neighboring image frames in the target image data into N image frame groups, N being a positive integer;
obtaining matching feature points between two image frames comprised in each image frame group in the N image frame groups;
constructing target mesh plane figures respectively corresponding to the N image frame groups according to the matching feature points in each image frame group;
determining the motion state of the vehicle according to the target mesh plane figures respectively corresponding to the N image frame groups, wherein the motion states comprise one of a static state, a non-static state, a linear motion state, and a non-linear motion state,
determining the static state or the non-static state based on an average coordinate change value of each polygon in the target mesh plane figures; and
determining the linear motion state or the non-linear motion state based on a direction change value corresponding to an edge of each polygon in the target mesh plane figures.