公开(公告)号：US20220234060A1

公开(公告)日：2022-07-28

申请号：US17659817

申请日：2022-04-19

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

Inventor： Rui REN ,  Zongtao FAN ,  Bolei WANG ,  Jingsheng HU ,  Kang LI ,  Yanfu ZHANG

IPC: B05B7/04 ,  B05B13/00

Abstract: A mixing nozzle includes a first connector, a second connector, a first channel and a second channel, where a first end of the first channel is connected to the first connector, and a second end of the first channel is provided with a spraying opening in communication with the first channel; a first end of the second channel is connected to the second connector, and a second end of the second channel is in through connection with the first channel; the first connector is configured to introduce a first fluid into the first channel, and the second connector is configured to introduce a second fluid into the second channel; and a length of the second channel is less than a length of the first channel.

公开(公告)号：US20230031709A1

公开(公告)日：2023-02-02

申请号：US17814135

申请日：2022-07-21

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

Inventor： Zhihua YU ,  Jianfeng SUN ,  Yun ZHAO ,  Ganghui WANG ,  Yanfu ZHANG

IPC: B60W60/00

Abstract: The present disclosure provides an autonomous driving vehicle detection method and apparatus, an electronic device and a readable storage medium, and relates to the field of computer technologies, and in particular, to the field of artificial intelligence technologies such as intelligent transportation and autonomous driving technologies. A specific implementation solution involves: acquiring passengers' ride information on an autonomous driving vehicle; determining a vehicle component change state of the autonomous driving vehicle according to the ride information of the autonomous driving vehicle; wherein the vehicle component change state includes a door change state of the autonomous driving vehicle and a seat belt change state of the autonomous driving vehicle; and determining a seat load of the autonomous driving vehicle according to the vehicle component change state of the autonomous driving vehicle.

公开(公告)号：US20220075026A1

公开(公告)日：2022-03-10

申请号：US17530696

申请日：2021-11-19

Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.

Inventor： Qingqing XIE ,  Yanfu ZHANG ,  Jiali ZHANG ,  Meng YUAN

IPC: G01S7/48 ,  G01S17/89 ,  G06K9/62

Abstract: A lidar map-based loop detection method, an electronic device, and a storage medium, which are related to a field of intelligent transportation and a technical field of automatic driving. The specific implementation include: acquiring an eigenvector of each grid in each sub-map of N sub-maps of the lidar map; determining a target eigenvector of each grid in each sub-map of the N sub-maps according to the eigenvector of each grid in each sub-map of the N sub-maps; constructing histograms of the N sub-maps according to the target eigenvector of each grid in each sub-map of the N sub-maps; and determining that a loop relation exists between two target sub-maps in the N sub-maps, in case that a similarity of histograms of the two target sub-maps is greater than a preset threshold value.