Beijing Baidu Netcom Science and Technology Co., Ltd.

Beijing Baidu Netcom Science Technology Co., Ltd

Apollo Intelligent Driving Technology (beijing) Co., Ltd.

Baidu USA LLC

Baidu Online Network Technology (beijing) Co., Ltd.

Baidu.com Times Technology (beijing) Co. Ltd.

Liming Xia

Zhuo Chen

Jingchao Feng

Quan Wang

Ning Qu

Chengliang Deng

Haifeng Wang

Wei He

Yu Ma

Kaiwen Feng

Yibing Liang

Jiankang Xin

Weifeng Yao

Chao Zhang

James P Peng

Qingrui Sun

Zhongjun Ni

Pengjie Zheng

Tianxiang Cui

Kai Yang

Haitao Liu

Zhou Chen

Weide Zhang

Ronggui Peng

Wanyu Bao

Yuedong Dang

Jiaxin Sun

Ming Qu

Yanting Chen

Xiaochuan Du

Mingsong Wang

Rongjing Shang

An image processing method in remote control, a device, an apparatus and a program product are provided and related to the field of automatic driving technologies. The specific implementation solution includes receiving image information sent by a vehicle, wherein the image information includes multiple-channel image data collected by the vehicle; performing a stitching process on the multiple-channel image data, to obtain a stitched image; sending the stitched image to a remote cockpit apparatus for controlling the vehicle.

Image processing method in remote control, device, apparatus and program product

A method for remote control of an autonomous driving vehicle (ADV) includes: sending an assistance request to a cloud server in response to detecting that a current road section in front of the ADV is unable to be passed; obtaining a reference detour route returned from the cloud server; generating control instructions based on the reference detour route and a current driving environment of the ADV; and controlling the ADV based on the control instructions.

Method for remote control of autonomous driving vehicle, autonomous driving vehicle and cloud device

The present disclosure provides a method and apparatus of determining a guide path, and a method and apparatus of controlling driving of a vehicle. The method of determining the guide path may be performed by a monitoring platform and includes: displaying a map for a predetermined range of a vehicle in response to receiving a guide request transmitted by the vehicle, wherein the map includes a plurality of first track points for the vehicle; changing a position of at least one of the plurality of first track points in the map in response to a target operation on the at least one first track point, so as to obtain a plurality of second track points; determining the guide path for the vehicle according to the plurality of second track points; and transmitting path information indicative of the guide path to the vehicle.

Method and apparatus of determining guide path, method and apparatus of controlling driving of vehicle, and electronic device

The present application provides a message transmission method and apparatus, a device and a medium. The method includes: determining and outputting, by an issuing task, a data message, storing the data message in a preset storage space, and sending an issuing notification message; and reading, by a subscription task, the data message from the preset storage space according to the issuing notification message. With embodiments of the present disclosure, transmission efficiency of the data message between the issuing task and the subscription task may be improved, and source occupancy may be reduced.

Message transmission method and apparatus, device and medium

The embodiments of the present disclosure provide a method, an apparatus, a device and a medium for processing topological relation of tasks. The method includes: extracting at least one execution element from each of processing tasks based on a topological relation recognition rule; determining a dependency relation among the processing tasks according to content of the execution element of each processing task; and determining a topological relation among the processing tasks according to the dependency relation among the processing tasks.

Method, apparatus, device and medium for processing topological relation of tasks

The present disclosure provides a method and an apparatus for scheduling a task, a device and a medium. The method includes: obtaining a processing task to be executed from a task queue via a main thread bound to a processor, in which the processor is configured to execute the main thread, to execute the processing task; obtaining a newly triggered processing task; in response to determining that a priority of the newly triggered processing task is greater than or equal to a priority of the processing task executed on the main thread, assigning the newly triggered processing task to a standby thread; and dispatching and assigning a processor from at least one processor through the system kernel to execute the standby thread.

Method and apparatus for scheduling task, device and medium

This present application discloses a method and apparatus for synchronizing data in a robot operating system. A specific implementation of the method includes: detecting an operation on data being transmitted between communication processes, wherein the operation includes at least one of updating the data, deleting the data, and storing the data; determining whether the data are persistent data, in response to positively detecting an operation on the data being transmitted between the communication processes; and transmitting a change message of the data to communication processes other than the communication processes in response to positively determining that the data are persistent data. In the embodiment, the persistent data may always remain consistent across the communication processes.

Method and apparatus for synchronizing data in a robot operating system

Embodiments of the present disclosure provide a method, a device and a vehicle for message deduplication. The method includes: determining a node relationship with each publishing node by a subscribing node based on property information of the publishing node under the same topic as the subscribing node; determining a communication mode with each publishing node according to the node relationship; registering management modules corresponding to different communication modes according to the communication modes, so that after receiving a service message from the publishing node, a management module determines which subscribing nodes the service message is transmitted to based on a registration content and a unique identification of the publishing node carried in the service message. The service message may be transmitted to the corresponding subscribing node based on the registration content specifying the publishing node from which the service message is received under a certain communication mode.

Method, device and vehicle for message deduplication

A first request is received from a first processing node to produce data blocks of a first data stream representing a first communication topic. The first processing node is one of the processing nodes handling a specific function. Each of the processing nodes is executed within a specific node container having a specific operating environment. A global memory segment is allocated from a global memory to store the data blocks of the first data stream. A first local memory segment is mapped to the global memory segment. The first local memory segment is allocated from a first local memory of a first node container containing the first processing node. The first processing node directly accesses the data blocks of the first data stream stored in the global memory segment by accessing the mapped first local memory segment within the first node container.

Efficient communications amongst computing nodes for operating autonomous vehicles

The present application discloses a data storage method and apparatus. A specific implementation of the method includes: acquiring to-be-serialized data and a description file related to the to-be-serialized data, wherein the to-be-serialized data includes a data name and a data value, and the description file includes a file identifier and at least one data element, the data element includes at least one data item, and the data item includes a data item name and a data type; allocating a memory space to the data item according to the data type; finding, according to a preset matching relationship between the to-be-serialized data and the data item, a data item matched with the to-be-serialized data; and storing the data value into the memory space of the found data item as a data item value of the found data item. This implementation improves the data storage efficiency.

Data storage method and apparatus

The present application discloses a method and an apparatus for transmitting a message. The method of an embodiment comprises: dividing a shared memory area allocated by an operating system into a plurality of memory blocks for storing messages having different priorities; dividing each memory block in the plurality of memory blocks into at least one memory unit having a successive serial number; determining, from the plurality of memory blocks according to a priority of a to-be-transmitted message, a target memory block for storing the to-be-transmitted message; and writing the to-be-transmitted message into a memory unit of the target memory block. This embodiment implements message transmission based on priorities of the messages, and improves the control security of an intelligent control system.

Method and apparatus for transmitting a message

A method and a system for transmitting data are disclosed. A method embodiment comprises: acquiring a most recent shared memory block index of a shared memory segment by a data receiver, the shared memory segment being used by a data transmitter and the data receiver to transmit data; deciding whether the most recent shared memory block index is consistent with a shared memory block index corresponding to data recently read by the data receiver; and determining, according to the decision, whether to read the data in the shared memory block corresponding to the most recent shared memory block index, where the determining includes reading the data in the shared memory block corresponding to the most recent shared memory block index when the decision indicates that the most recent shared memory block index is inconsistent with the shared memory block index corresponding to the data recently read by the data receiver.

Data transmission method and system for transmitting data between processes using shared memory block indexes

A first request is received from a first processing node to produce data blocks of a first data stream representing a first communication topic. The first processing node is one of the processing nodes handling a specific function of operating an autonomous vehicle. Each of the processing nodes is executed within a specific node container having a specific operating environment. A global memory segment is allocated from a global memory to store the data blocks of the first data stream. A first local memory segment is mapped to the global memory segment. The first local memory segment is allocated from a first local memory of a first node container containing the first processing node. The first processing node directly accesses the data blocks of the first data stream stored in the global memory segment by accessing the mapped first local memory segment within the first node container.

The present disclosure provides an information transmitting method and apparatus for use in a robot operating system. A specific implementation mode of the method comprises: acquiring to-be-transmitted information; determining a network relationship between a current node and an information receiving node receiving the to-be-transmitted information, the network relationship comprising a remote relationship and a local relationship; determining a transmission approach of the to-be-transmitted information according to a message transmission parameter, a configuration parameter and the network relationship; transmitting the to-be-transmitted information in the transmission approach. The implementation mode improves the information transmission efficiency of the robot operating system.

Information transmitting method and apparatus in robot operating system

The present application discloses a data transmission method and system. A specific embodiment of the method includes: receiving a data transmission-instruction by a data sender, wherein the data transmission-instruction includes a thematic name indicative of a type of to-be-transmitted data required by a data receiver; creating a shared memory segment corresponding to the thematic name. It makes possible for the data sender and the data receiver to run in a separate memory space. When data is needed to be transmitted, a corresponding shared memory segment may be created for data transmission in accordance with any transmitting requirement, and the shared memory segment may be released when the transmission is done or appears abnormal. On one hand, it reduces the redundant operations of the data transmission system during data transmission, and improves the data transmission performance; on the other hand, the data transmitting procedure between the data sender and the data receiver, and other operations executed by the data sender or the data receiver are independent of each other, which improves the stability of the data transmission system.

Growing community of inventors

Beijing, China

Liming Xia