公开(公告)号：US11418918B2

公开(公告)日：2022-08-16

申请号：US16821729

申请日：2020-03-17

Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.

Inventor： Yanyan Li ,  Jianguo Duan ,  Hui Xiong

IPC: H04W24/00 ,  H04W4/029 ,  G06Q50/14

Abstract: A method, an apparatus, a computer device and a storage medium for stay point recognition are disclosed. The method comprises: obtaining reference stay points corresponding to a to-be-recognized positioning point; selecting from the reference stay points a stay point in a predetermined relationship with the to-be-recognized positioning point; and determining whether the to-be-recognized positioning point is a stay point based on the stay point selected. The technical solution may improve the accuracy and recall rate of the stay point recognition.

公开(公告)号：US11379741B2

公开(公告)日：2022-07-05

申请号：US16823214

申请日：2020-03-18

Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.

Inventor： Yanyan Li ,  Jianguo Duan ,  Hui Xiong

IPC: G06N5/04 ,  H04W4/029 ,  G06N20/00

Abstract: A method, an apparatus and a storage medium for stay point recognition and prediction model training are proposed. The method may include: for a to-be-recognized positioning point, obtaining respectively features of N predetermined dimensions for the to-be-recognized positioning point, N being a positive integer greater than one; generating a feature vector for the to-be-recognized positioning point according to the features obtained; determining whether the to-be-recognized positioning point is a stay point based on the feature vector, by using a prediction model obtained by pre-training. The technical solution may be applied to improve the accuracy and a recall rate of the stay point recognition.