Abstract: A light color identifying method and apparatus of a signal light, and a roadside device provided in the present application relate to the field of intelligent transportation. A solution includes: collecting an image including the signal light through an image collecting apparatus; determining a background image according to N preceding frames of images of a current frame of image, where N is a positive integer greater than or equal to 1; performing foreground identification on the current frame of image according to the background image to obtain a moving foreground, where the moving foreground represents a change of the current frame of image relative to the background image; and determining, according to the moving foreground, a light color of a light that is turned on in the current frame of image.

Abstract: A lane marking detecting method, an apparatus, an electronic device, a storage medium, a program product, and a vehicle, where a specific implementation includes: obtaining a video stream including a lane marking; extracting a key image frame from the video stream at a predetermined interval of frames, with an image frame between adjacent key image frames being a non-key image frame; detecting, for the key image frame, a lane marking according to a feature map of the key image frame; detecting, for the non-key image frame, a lane marking according to the non-key image frame and a feature map of a previous key image frame of the non-key image frame. In this embodiment, the feature map of the non-key image frame is determined and the lane marking is detected by combining the feature map of the previous key image frame, thus enabling flexibility and diversity in lane marking detection.

Abstract: The present application discloses a method and apparatus for controlling display in a screen projection scenario, a device, a medium and a program product, relating to the technical fields of autonomous driving, Internet of Vehicles, intelligent voice, and screen projection in artificial intelligence. The specific implementation is: receiving a voice interaction instruction corresponding to a voice application; if a first page corresponding to a first application in at least one non-voice application has been projected onto a screen of a terminal device, adding to-be-displayed content corresponding to the voice application to the first page to obtain a to-be-projected page corresponding to the first application; and projecting the to-be-projected page onto the screen of the terminal device. The above process can reduce a delay in displaying an image projected on the screen.

Abstract: The present disclosure provides a signal machine alarm method and apparatus, an electronic device and a readable storage medium, and relates to the field of intelligent transportation technologies. The signal machine alarm method, including: acquiring a light-state data stream of a signal machine; determining a target light-state data frame corresponding to a current time according to the light-state data stream; acquiring a timing scheme of the signal machine at the current time; extracting target light-state information of a target phase from the target light-state data frame; and obtaining a calculation countdown according to the timing scheme, the target light color state and the target cycle countdown, and sending alarm information if the calculation countdown is determined to be inconsistent with the target light color countdown.

Abstract: A photographing device for a vehicle and relates to the field of automatic driving technology is disclosed. The specific solution is that the photographing device includes a seat; a camera mounted on the seat; a lens holder mounted on the seat and rotatable relative to the seat; a transparent lens mounted on the lens holder and arranged opposite to the camera; and a driving assembly connected with the lens holder to drive the lens holder to rotate relative to the base.

Abstract: A scene reproduction test method, apparatus, device and program product of an autonomous driving system are provided by the present application. The method includes: obtaining problematic scene data generated during a test on an autonomous driving vehicle equipped with a first autonomous driving system, and determining key obstacle information and non-key obstacle information according to the problematic scene data; generating, according to the non-key obstacle information, a virtual obstacle model, and determining, according to the key obstacle information, a real device used to simulate a key obstacle; where the real device is a device that actually exists in a test environment; performing, by utilizing the virtual obstacle model and the real device, a reproduction test on an autonomous driving vehicle equipped with a second autonomous driving system. In the solution, the test object is a real autonomous driving vehicle, and the key obstacle is a real device.

Abstract: The present application discloses a method for acquiring three-dimensional perception information based on external parameters of a roadside camera, and a roadside device. The specific implementation solution is as follows: acquiring a first matching point pair between an image captured by the first camera and an image captured by the second camera, and generating a first rotation matrix, where the first rotation matrix represents a rotation matrix of the first camera in a second camera coordinate system; generating a third rotation matrix according to the first rotation matrix and the second rotation matrix, where the second rotation matrix represents a rotation matrix of the second camera in a world coordinate system, and the third rotation matrix represents a rotation matrix of the first camera in the world coordinate system; generating three-dimensional perception information of the image captured by the first camera according to the third rotation matrix.

Abstract: A method and an apparatus of controlling a driverless vehicle and an electronic device are provided, and relates to the field of artificial intelligence technologies, such as computer vision and self-driving. The method includes: in a case that a stop instruction is received or a driverless vehicle arrives at a preset position, acquiring a first road surface image captured by a camera of the driverless vehicle that is on a same side of a door of the driverless vehicle; acquiring, based on the first road surface image, a target road surface state of road surface on one or two sides of the driverless vehicle that are provided with a door; in a case that the target road surface state is a first road surface state, controlling the driverless vehicle to stop.

Abstract: A method and an apparatus for connecting through on-vehicle Bluetooth, and a storage medium includes: acquiring a first face image of a driver in response to an on-vehicle Bluetooth apparatus being on; determining a first face identifier corresponding to the driver by performing face recognition on the first face image; querying a first correspondence according to the first face identifier, in which the first correspondence indicates a correspondence between face identifiers and Bluetooth identifiers of terminals; in response to determining a first Bluetooth identifier matching the first face identifier, establishing, according to the first Bluetooth identifier, a Bluetooth connection between the on-vehicle Bluetooth apparatus and a first terminal Bluetooth apparatus corresponding to the first Bluetooth identifier.

Abstract: Embodiments of the present disclosure provide a method and apparatus for managing a roadside device in vehicle road cooperation, a cloud control platform and a system. The method includes: acquiring, by a cloudside device, a data packet from a roadside device, the data packet including at least one of state information of the roadside device and dynamic traffic information associated with the roadside device; and adjusting a packet transmission policy for a data link associated with the roadside device based on the data packet, the data link comprising at least one of a first downlink from the roadside device to a vehicle, a first uplink from the vehicle to the roadside device, a second uplink from the roadside device to the cloudside device, and a second downlink from the cloudside device to the roadside device, so that personalized management for roadside devices is achieved.

Abstract: The present application discloses a method and apparatus for updating a password of an electronic device, a device, and a storage medium, and relates to intelligent transportation, vehicle-road collaboration, and device security technologies in the field of data processing. The specific implementation solution is: in response to detecting a trigger condition of a password update, the electronic device randomly generates a first password, and updates a login password of the electronic device to the first password; then the electronic device sends a password updating message to a server, and the password updating message is configured to indicate an identification of the electronic device and the first password. The server updates the database for storing login passwords of different electronic devices according to the password updating message. Through the above process, the safety of the electronic device is improved.

Abstract: The present application discloses a location detection method, an apparatus, a device and a readable storage medium, which relate to vehicle infrastructure cooperation and automatic driving in intelligent transportation. A specific implementation solution is as follows: after acquiring an initial location of a target object, a millimeter wave radar projects the initial location onto an upper interface and a lower interface of a road section respectively to obtain a first projection location and a second projection location, and then determines an accurate location of the target object according to the first projection location and the second projection location. In this process, the initial location is mapped twice to make full use of an association relationship between an installation point and installation environment, so that the target location is no longer an approximate location, but a precise location obtained according to geometric projection, which improves accuracy of location detection.

Abstract: The present disclosure discloses a perception data detection method and apparatus. The specific implementation scheme is: acquiring labeled data and perception data, where the labeled data includes a labeled position and a labeled type of at least one first obstacle, and the perception data includes a perception position and a perception type of at least one second obstacle; performing, according to a negative sample in the labeled data, rough filtering on the second obstacle in the perception data to obtain a third obstacle remaining after the rough filtering, where the negative sample is a non-physical obstacle; determining a matching relationship between the third obstacle and the negative sample, and determining the negative sample having the matching relationship with the third obstacle as a target obstacle; and determining, according to the number of the target obstacle and the number of the first obstacle, a detection result of the perception data.

Abstract: Embodiments of the present disclosure provide a method, apparatus, device, and storage medium for determining a lane where a vehicle is located. In the method, the image lane information of the position where the vehicle is located is determined from a lane line image; actual lane information of a position where the vehicle is located is acquired from existing lane information according to the positioning information of the vehicle; and an actual lane where the vehicle is located is determined based on the image lane information and the actual lane information.

Abstract: A method of processing service data, an electronic device, and a storage medium are provided, which relate to a field of a computer technology, and in particular to a field of service deployment technology. The method of processing service data includes: determining, in response to receiving an operation request for a target service, a request type of the operation request; determining a target proxy module corresponding to the request type based on the request type; and sending the operation request by using the target proxy module, so that a service deployment cluster operates on the target service based on the operation request.

Abstract: A method and an apparatus for determining a public transport route, where the method includes: obtaining a request for route planning; identifying a plurality of road segments included in a first area in a map, and acquiring an identifier of an existing public transport vehicle corresponding to each road segment; determining a first route among the plurality of road segments based on the identifier of the existing public transport vehicle corresponding to each road segment; determining a plurality of stopping locations in the first route, generating a target public transport route based on the first route and the plurality of stopping locations, and outputting the target public transport route.

Abstract: A method for reporting asynchronous data and an electronic device are provided. The method includes: in response to satisfying a data reporting condition, calling a connection opening function for opening a Socket connection of a network resource, and generating a HypertextTransferProtocol (HTTP) request by the connection opening function, in which the HTTP request at least includes address information of a server and data to be reported; calling a writing function to write the HTTP request into an exclusive resource corresponding to the connection opening function, and sending the HTTP request to the server by the exclusive resource; and in response to that sending the HTTP request by the exclusive resource is completed, closing the exclusive resource by calling a close function, so as to stop receiving a feedback message of the HTTP request sent by the server, and terminate data reporting.

Abstract: The present disclosure discloses a wireless connection establishment method, an apparatus, a device and a storage media, which is applied to artificial intelligence, Internet of Vehicles and intelligent transportation technologies in the field of computer technology.

Abstract: The present disclosure provides an intelligent transportation road network acquisition method and apparatus, an electronic device and a storage medium, and relates to the field of artificial intelligence such as intelligent transportation. The method includes: acquiring a target demand set; acquiring annotation information, the annotation information being microscopic road network attribute information manually annotated on a displayed map road network for intersections in the target demand set; acquiring macroscopic road network information corresponding to the target demand set from road network data corresponding to the map road network; and generating an intelligent transportation road network corresponding to the target demand set according to the annotation information and the macroscopic road network information.

Abstract: A method for positioning a vehicle, a vehicle and an electronic device are disclosed, which relate to a field of automatic driving and intelligent transportation. The method includes: obtaining a map related to a region, the region being a region where a positioning signal such as a GNSS signal is limited, such as a tunnel, the region including a plurality of positioning markers, and the map including positioning mark data corresponding to the plurality of positioning markers; capturing image data for the region when the vehicle travels through the region; and determining positioning information of the vehicle by matching the image data with the positioning mark data in the map based on an estimated posture of the vehicle. The map here may be a high-precision map.