Abstract: The present application discloses a method and an apparatus of obstacle three-dimensional position acquisition for a roadside computing device, and relates to the fields of intelligent transportation, cooperative vehicle infrastructure, and autonomous driving. The method may include: acquiring pixel coordinates of an obstacle in a to-be-processed image; determining coordinates of a bottom surface center point of the obstacle according to the pixel coordinates; acquiring a homography relationship between a ground surface corresponding to the to-be-processed image and a ground surface corresponding to a template image; transforming the coordinates of the bottom surface center point of the obstacle into coordinates on the template image according to the homography relationship; and determining three-dimensional coordinates of the bottom surface center point of the obstacle according to the coordinates obtained by transformation and a ground equation corresponding to the template image.

Abstract: A method and an apparatus for controlling lane changing, and a storage medium includes: predicting a target pose of a vehicle changed to a second lane based on a current pose of the vehicle on a first lane in response to a trigger of changing the vehicle from the first lane to the second lane; and determining a lane changing preparation pose of the vehicle on the first lane based on the target pose and at least one parameter of the vehicle.

Abstract: An obstacle detection method and device, an apparatus and a storage medium are provided, which are related to a field of intelligent transportation. The specific implementation includes: acquiring position information of a two-dimensional (2D) detection frame and position information of a three-dimensional (3D) detection frame of an obstacle in an image; converting the position information of the 3D detection frame of the obstacle into position information of a 2D projection frame of the obstacle; and optimizing the position information of the 3D detection frame of the obstacle by using the position information of the 2D detection frame, the position information of the 3D detection frame and the position information of the 2D projection frame of the obstacle in the image. Accuracy of results of predicting a 3D position of an obstacle by a roadside, on-board sensing device, or other sensing devices may be improved.

Abstract: The present disclosure discloses a method and apparatus for detecting an obstacle, and relates to the technical field of intelligent transportation. A specific implementation plan is: acquiring a current image acquired by a camera; inputting the current image into a pre-trained detection model to obtain a position of a detection frame of an obstacle and determine a first pixel coordinate of a grounding point in the current image; determining an offset between the current image and a template image; converting the first pixel coordinate into a world coordinate of the grounding point based on the offset; and outputting the world coordinate of the grounding point as a position of the obstacle in a world coordinate system. This embodiment solves the problem of camera jitter from an image perspective, greatly improves the robustness of the roadside perception system, and saves computing resources.

Abstract: The present disclosure provides a method, an apparatus and a device for implementing a voice application and a computer readable storage medium, which determine a feedback content and a template identifier corresponding to a voice command of a user on a server side, and the determination result is performed by the IoT device. As the Internet information is iteratively updated, the voice command is also updated, the processing function of the voice command can be updated on the server side, so that the voice application in the IoT device does not need to be updated. Therefore, the processing capability of the voice application can be updated without upgrading the voice application itself, thereby alleviating the problem of an excessively long upgrade process due to the OTA upgrade process in the prior art.

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 vehicle-to-infrastructure cooperation information processing method, apparatus, device and an autonomous vehicle are provided. The method includes: acquiring first on-board perception data of a target vehicle, the first on-board perception data including data of an obstacle around the target vehicle sensed by the target vehicle; generating virtual obstacle data for representing the target vehicle according to positioning data of the target vehicle; generating second on-board perception data based on the virtual obstacle data and the first on-board perception data; and fusing the second on-board perception data with roadside perception data to obtain fusion data, the fusion data including all obstacle data in both the second on-board perception data and the roadside perception data, and the obstacle data in the roadside perception data including obstacle data for representing the target vehicle.

Abstract: It is disclosed a voice pickup method and apparatus for an intelligent rearview mirror, an electronic device and a computer readable storage medium which relates to the technical field of vehicle-mounted equipment, and may be used in the field of automatic driving technologies. A voice pickup implementation of the intelligent rearview mirror according to some embodiments includes: acquiring an image of the interior of the vehicle; determining the position of a person in the vehicle with the image of the interior of the vehicle; and adjusting a beamforming direction of a microphone array according to the position of the person in the vehicle.

Abstract: An audio data processing method, an electronic device, and a storage medium are provided, which are related to the field of data processing. The method includes: receiving sound production requests respectively sent by a plurality of sound production applications, wherein respective sound production requests include information of ports corresponding to respective sound production applications; acquiring audio data and sound mixing parameters corresponding to the respective sound production applications through the ports corresponding to the respective sound production applications; and mixing respective audio data according to the sound mixing parameters for the respective sound production applications, to generate audio data to be played.

Abstract: Provided are a method for navigating a vehicle and an electronic device, which relate to the field of computers, in particular to the field of Internet of vehicles, automatic driving, and intelligent cabins. The method may include in response to a target vehicle being driving to a target location, weather information of an environment where the target vehicle is located is detected. On the basis of the weather information, a weather level of the environment is determined. In response to the weather level is higher than a target weather level, the at least one candidate parking area is acquired. And a target parking area is determined from the at least one candidate parking area, and on the basis of the target parking area, a navigation route of the target vehicle is determined.

Abstract: Embodiments of the present application provide an audio processing method and an apparatus. The method includes: a mobile terminal and a vehicle terminal are in a connected state, and playing, by the mobile terminal, a first audio synchronously with the vehicle terminal; obtaining, by the mobile terminal, a recorded audio of a current environment, where the recorded audio includes the first audio played by the vehicle terminal and a second audio for voice recognition; and eliminating, according to the first audio played by the mobile terminal, the first audio played by the vehicle terminal in the recorded audio to obtain the second audio. In the embodiments of the present application, by playing the first audio synchronously by the mobile terminal and the vehicle terminal, the second audio for voice recognition in the recorded audio can be obtained according to the first audio played by the mobile terminal.

Abstract: The present disclosure provides a method and an apparatus for updating road network data. The method for updating the road network data is specifically implemented as follows: acquiring trajectory data reported by a terminal; determining a plurality of out-of-road trajectories within a preset area coverage according to the trajectory data; determining a fitting trajectory according to the plurality of out-of-road trajectories; and updating existing first road network data according to the fitting trajectory to acquire second road network data.

Abstract: Provided are an authorization processing method and apparatus, a device, and a storage medium, relating to the field of vehicle-to-everything and intelligent cockpit technology. The scheme includes acquiring a generic credential of a target organization, where the generic credential is generated according to authorization information of a target application; and controlling at least two applications developed by the target organization on an open platform to get authorized according to the generic credential. The at least two applications include the target application.

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: The disclosure discloses a method for preprocessing an image and a related electronic device. A current data frame captured through a camera is obtained by a pre-created drawing surface window called by a central processing unit (CPU) in response to a preview activating instruction of the camera. The current data frame is converted into a preview texture corresponding to the current data frame by the pre-created drawing surface window. The preview texture corresponding to the current data frame is sent to a graphics processing unit (GPU). The preview texture corresponding to the current data frame is processed by the GPU. The preview texture processed is sent by the CPU to an advanced driving assistance system (ADAS).

Abstract: A method and an apparatus for outputting information are provided. The method includes acquiring voice information received within a preset time period before a device is awakened, where the device is provided with a wake-up model for outputting preset response information when a preset wake-up word is received; performing speech recognition on the voice information to obtain a recognition result; extracting feature information of the voice information in response to determining that the recognition result does not include a preset wake-up word; generating a counterexample training sample according to the feature information; and training the wake-up model using a counter-example training sample, and outputting the trained wake-up model.

Abstract: A method for data processing is performed by an operation data recording device. The method includes: in response to a data access request sent by a client for a target vehicle, generating symmetric keys for symmetrically encrypting operation data of the target vehicle, in which the symmetric keys are generated based on a user ID and a primary public key for a third party, and the user ID is carried in the data access request; obtaining target encrypted data by symmetrically encrypting the operation data using the symmetric keys; and sending the target encrypted data to the client.

Abstract: A resource scheduling method and apparatus, an electronic device, and a storage medium are provided, which are related to the technical field of system resource scheduling. The resource scheduling method comprises: monitoring whether a current system can bear a load of a target application which has triggered and entered a high-computational-power scenario, subjecting the system to resource scheduling if the system is monitored to be unable to bear the load of the target application, and running the target application in the high-computational-power scenario based on scheduled system resources.

Abstract: The present application discloses to a control method and system of an applet, a server, a terminal device, an electronic device, and a storage medium, which relate to artificial intelligence technology, voice technology, cloud technology, automatic driving technology, and information flow technology. The method includes: parsing audio information sent by a terminal device to obtain attribute information of the applet, where the audio information is used to instruct to open the applet; sending a request for acquiring page data to an applet server based on the attribute information; receiving the page data fed back by the applet server, generating a target page according to the page data and the attribute information, and sending the target page to the terminal device.

Abstract: A method, an apparatus, an electronic device and a storage medium for displaying an AR navigation are provided. The method may include: recognizing a navigation scene at a current moment during an AR navigation; determining, according to a preset mapping relationship between a navigation scene and a service function, a current service function corresponding to the navigation scene at the current moment; and displaying the current service function corresponding to the navigation scene at the current moment in the navigation scene at the current moment. According to embodiments of the present disclosure, different service functions may be flexibly displayed for different navigation scenes. Therefore, a multi-channel output in the different navigation scenes may be realized, thus saving maintenance time and a maintenance cost.