Abstract: A data processing method, an electronic device and a storage medium are related to the field of big data technologies. The solution is: receiving a file to be processed from a web server; invoking a target process to process the file to be processed, to generate a request result; storing the request result in a preset storage area; running a preset request finishing function; obtaining the request result from the preset storage area in response to the running the preset request finishing function; sending the request result to the web server; and reporting the request result to a cloud data center.

Abstract: A method and apparatus for adjusting channelization of a traffic intersection are proposed. The specific implementation of the method is: obtaining a first traffic characteristic of vehicles at each of a plurality of target positions in a process of vehicles in a target traveling direction traveling through the traffic intersection from upstream to downstream in a preset first time period; generating first traffic change information of the traffic intersection based on the first traffic characteristic at each of the plurality of target positions; and in response to that the first traffic change information satisfies a preset first change distribution, generating channelization adjustment information for non-motorized vehicle lanes of the traffic intersection.

Abstract: Provided are a state machine processing method, a state processing method, an electronic device, and a storage medium, which relates to the field of artificial intelligences such as computer technologies and Internet of vehicles. The method includes the following. A global state and an individual state are determined from all states of a state processing object; individual states are classified to obtain at least one local-state set; a sub-state machine is constructed for each of the at least one local-state set, where each sub-state machine manages an individual state in one of the at least one local-state set; and a layered finite state machine is constructed according to the sub-state machine and the global state.

Abstract: A method, an apparatus, an electronic device, and a storage medium for monitoring an image acquisition device are provided, which are related to a field of computer vision technology. The method for monitoring the image acquisition device includes: determining a stop position of each target vehicle from a first video image acquired by the image acquisition device; determining a marking line in the first video image according to the stop positions of their respective target vehicles, and determining a deviation amount of the marking line in the first video image from a reference making line, and determining that the image acquisition device has deviated in a case that the deviation amount reaches a predetermined condition. The workload of manual detection is reduced, and the accuracy of deviation amount monitoring is increased by comparing the marking line with the reference marking line.

Abstract: Embodiments of the present disclosure provide a method and apparatus for recognizing speech. An embodiment of the method includes: in response to detecting a speech frame, converting the speech frame into a current text in real time; in response to there being no previously saved historical text, inputting the current text into a semantic parsing model to obtain a parsing result; in response to the parsing result including a valid intention slot, ending a speech endpoint detection to complete the recognition; and outputting an instruction corresponding to the valid intention slot.

Abstract: The present application discloses a method, an apparatus and a device for determining a behavioral driving habit and controlling vehicle driving, which relates to an autonomous driving technology in the field of artificial intelligence. A specific implementation is to: acquire driving behavior-related data during a user's manual driving a first vehicle on a road and map data; and determine, according to the driving behavior-related data and the map data described above, an association relationship between driving parameters used during the user's manual driving the first vehicle; where the association relationship between the driving parameters represents a behavioral driving habit of the user. In this way, an autonomous driving strategy of a second vehicle may be updated according to the behavioral driving habit of the user, so that personalized autonomous driving requirements from different users are met.

Abstract: The present disclosure discloses a method for outputting early warning information, a device, a storage medium and a program product, including: acquiring, according to vehicle traveling information, both a preset sensing frame rate and a preset early warning frame rate corresponding to the vehicle traveling information; performing, according to the preset sensing frame rate, sensing processing on acquired sensor data to obtain a sensing result; and determining, according to the sensing result and the preset early warning frame rate, a target early warning frame rate, and performing, according to the target early warning frame rate, early warning processing on the sensing result to obtain an early warning result of the vehicle. Both the number of times of processing the sensor data and the number of times of processing the sensing result can be reduced, and the early warning information is output based on the driving assistance system.

Abstract: A method for transmitting a stream includes: receiving a streaming request from a stream receiver, in which the streaming request includes a stream identifier and a type of the stream receiver; obtaining an encapsulated stream by performing protocol encapsulation on a stream corresponding to the stream identifier based on a streaming protocol corresponding to the type; and transmitting the encapsulated stream to the stream receiver.

Abstract: A camera calibration method, an electronic device, a storage medium, and a road side device are provided. The method includes: determining an initial value of an internal parameter, an initial value of an external parameter, and an initial value of a distortion coefficient of the camera; determining a conversion relationship of a point in an image captured by the camera from a world coordinate system to a pixel coordinate system; projecting a plurality of feature points in a high-precision map of a first area onto the pixel coordinate system of a first image, of the first area, captured by the camera to obtain a plurality of projection points; and obtaining the internal parameter and the distortion coefficient of the camera through a least square method, based on coordinates of the plurality of feature points in the pixel coordinate system.

Abstract: A method for processing point cloud data, an electronic device and a storage medium are provided, and relate to the field of intelligent transportation and perception data processing. The method includes: acquiring a target node, located in a target layer, obtained after blocking processing is performed on coordinate points in the point cloud data, wherein the target node includes a plurality of coordinate points; acquiring related information of all the coordinate points of the target node; determining a target coordinate point based on the related information of the coordinate points of the target node and a total number of the coordinate points of the target node; and replacing all the coordinate points of the target node with the target coordinate point, to realize dilution processing on the point cloud data.

Abstract: Provided are a vehicle-based interaction method and an electronic device for performing the vehicle-based interaction method. The method includes acquiring vehicle interaction indication information triggered by an external vehicle-approaching object; performing interaction type recognition of the vehicle interaction indication information to obtain an interaction type recognition result; and in response to determining that the interaction type recognition result is a target interaction type, sending vehicle interaction information to an associated vehicle user. A vehicle including a vehicle body, the electronic device, at least one vehicle radar disposed on the vehicle body, and a vehicle camera disposed outside the vehicle body is further provided.

Abstract: The present disclosure provides a blocked information displaying method and system for use in an autonomous vehicle. The method comprises obtaining information about a road ahead the autonomous vehicle and information about a rear vehicle; determining road information blocked by the autonomous vehicle, according to a positional relationship between the autonomous vehicle and the rear vehicle; displaying the road information blocked by the autonomous vehicle to the rear vehicle. The present disclosure is used to solve problems in the prior art that the autonomous vehicle blocks road surface information and causes limitation to the field of vision of the rear vehicle, and that real-time display of the images of the road ahead the autonomous vehicle is prone to cause confusion, and can effectively improve the safety of the travel of the rear vehicle.

Abstract: A method for determining one or more boundary points of a bottom surface of a vehicle includes: obtaining a road condition image collected by a roadside camera, and determining a target vehicle in the road condition image; determining a target vanishing point in the road condition image in accordance with an image feature in the road condition image or an image feature of the target vehicle; obtaining visible edge lines of the target vehicle in the road condition image and two wheels at a same side of the target vehicle, and determining a ground baseline in accordance with ground contact points of the two wheels; and determining one or more boundary points of a bottom surface of the target vehicle in accordance with the target vanishing point, the visible edge lines and the ground baseline.

Abstract: The present application discloses a method for determining an automatic driving feature, an apparatus, a device, a medium and a program product, and relates to automatic driving technology in the field of artificial intelligence. A specific solution is: acquiring scenario information of a plurality of driving scenarios and driving behavior information of an automatic driving system in each of the driving scenarios, where the driving behavior information includes a decision made by the automatic driving system and an execution result corresponding to the decision; determining an automatic driving feature of the automatic driving system according to the scenario information of the plurality of driving scenarios and respective driving behavior information. The automatic driving feature determined through the above process can represent a characteristic of an automatic driving strategy adopted by the automatic driving system.

Abstract: A method and apparatus for detecting and tracking a target, an electronic device and a storage medium are provided. The method includes: cameras, detection modules, tracking modules and storage queues are provided in advance; the numbers of cameras, storage queues and tracking modules are equal, and there is a one-to-one correspondence between the cameras and the storage queues and between the cameras and the tracking modules; distributing data streams collected by the cameras to the plurality of detection modules; detecting, by the detection modules, the received data streams, and sending detection results of the data streams collected by the cameras, to the storage queues corresponding to the cameras; and extracting, by the tracking modules corresponding to the cameras, the detection results from the storage queues corresponding to the cameras, and using the detection results for tracking the target.

Abstract: A data processing method includes: in the case where an operation state of an audio/video device in a target driving device is an out of operation state, generating an out of operation state notification message of the audio/video device; and sending the out of operation state notification message to a push client for stopping a data push between the push client and a push server using the out of operation state notification message.

Abstract: A method, an apparatus for content recommendation, an electronic device and a storage medium are disclosed. The method may include: for a user to be recommended, obtaining candidate contents to be recommended and at least one user feature tag for the user; determining a recommendation scheme according to the candidate contents and the at least one user feature tag, including respective proportions of different types of candidate contents in N pieces of recommended contents recommended to the user, the N pieces of recommended contents selected from the candidate contents according to the proportions, and an order of displaying the recommended contents in the N pieces of recommended contents, N is a positive integer greater than one and less than or equal to the number of candidate contents; and returning the recommended contents to the user according to the recommendation scheme.

Abstract: A method and an apparatus detect an echo delay. If an electronic device plays an audio and a counter is in an on state, an Nth recording data block received after the counter is turned on is acquired, where the Nth recording data block is a currently received recording data block, and N is greater than 1. Matching is performed between the Nth recording data block and a reference data block that is in a buffer, where the recording data block and the reference data block are data blocks with target duration. After the counter is on, the buffer buffers an audio data block played by the electronic device. If the Nth recording data block matches the reference data block in the buffer, a counting value is acquired. The counter performs counting if the recording data block does not match the reference data block. An echo delay is determined based on the target duration and the counting value.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for interacting traffic information, a device and a computer-readable storage medium. The method includes: in response to a first vehicle being about to overtake a second vehicle, sending overtake-preceding indicating information to the second vehicle; detecting whether the driver of the second vehicle makes a first response to the overtake-preceding indicating information; and in response to not detecting the first response made by the driver, sending additional indication information to the second vehicle.

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.