Abstract: Provided are system and method for controlling traffic lights. The system includes a traffic light device and a smart roadside device. The smart roadside device includes a roadside sensing module including: a camera assembly configured to collect information of an image for traffic lights of the traffic light device and a radar configured to acquire first surrounding environment information of a road junction monitored by the smart roadside device, and a roadside processing module configured to determine traffic flow information of a red light lane according to the first surrounding environment information and the information of the image for the traffic lights, determine a duration of a green light according to the traffic flow information, and control a duration displaying the green light in a next cycle of the traffic light device according to the duration of the green light.

Abstract: The present disclosure describes an intelligent roadside unit and a control method thereof, comprising: a circular camera array, including a plurality of cameras for capturing images in different road directions respectively; a circular radar array, including a plurality of radars for detecting obstacle information in different road directions respectively; and a controller configured to determine whether a vehicle is approaching according to the obstacle information detected by the radars, to turn on a camera corresponding to the radar that has detected the approaching of the vehicle to capture an image, and to control the cameras corresponding to the radars that have not detected the approaching of the vehicle to be in a standby state.

Abstract: The present disclosure provides a data transmission method and a data transmission device for an intelligent driving vehicle, and a device. The method includes: acquiring data to be transmitted; encoding the data to be transmitted to generate encoded data; generating a check digit according to the data to be transmitted; adding the encoded data to a data packet, wherein a trailer of the data packet comprises the check digit; and transmitting the data packet.

Abstract: The present disclosure provides an intelligent roadside unit. The intelligent roadside unit includes: a radar, configured to detect an obstacle within a first preset range of the intelligent roadside unit; a camera, configured to capture an image within a second preset range of the intelligent roadside unit; a radar-signal processor, coupled to the radar and configured to generate an obstacle detection signal according to obstacle information detected by the radar; an image-signal processor, coupled to the camera and configured to generate an image detection signal according to the image captured by the camera; and a general control processor, coupled to the radar-signal processor and the image-signal processor and generating a point cloud image according to the obstacle detection signal and the image detection signal.

Abstract: Provided are a method for indicating at least one obstacle by a smart roadside unit, a system and a non-temporary computer-readable storage medium. The method includes: detecting the at least one obstacle via a radar to generate an obstacle set; acquiring status information reported by an autonomous vehicle; filtering the obstacle set according to the status information reported by the autonomous vehicle, to remove the autonomous vehicle object from the obstacle set; and sending a filtered obstacle set to the autonomous vehicle.

Abstract: The present disclosure proposes an intelligent road side unit and a regulation method thereof. The intelligent road side unit comprises: traffic lights; a first camera configured to acquire a first image and having a first focal length; a second camera configured to acquire a second image and having a second focal length, the first focal length being greater than the second focal length; and a controller, configured to acquire anticipated arriving traffic flow information according to the first image, to acquire current traffic flow information according to the second image, and to control the traffic lights according to the anticipated arriving traffic flow information and the current traffic flow information.

Abstract: The present disclosure provides a roadside sensing system based on vehicle infrastructure cooperation and a method for controlling a vehicle thereof. The system includes a target vehicle and an intelligent roadside device provided on a road segment divided by a preset distance. The intelligent roadside device comprises a roadside sensing module, a roadside processing module, and a roadside communication module. The roadside sensing module comprises a sensor configured to acquire surrounding environment information of the target vehicle. The roadside processing module is configured to perform fusion processing on the surrounding environment information acquired to form road environment information. The roadside communication module is configured to send the road environment information to the target vehicle.

Abstract: The present disclosure provides an intelligent roadside unit. The intelligent roadside unit includes: a radar configured to detect an obstacle within a first preset range of the intelligent roadside unit; a camera configured to capture an image of a second preset range of the intelligent roadside unit; a master processor coupled to the radar and the camera, and configured to generate a point cloud image according to information on the obstacle detected by the radar and the image detected by the camera; and a slave processor coupled to the radar and the camera, and configured to generate a point cloud image according to the information on the obstacle detected by the radar and the image detected by the camera, in which the slave processor checks the master processor, and when the original master processor breaks down, it is switched from the master processor to the slave processor.

Abstract: The present disclosure proposes a method and an apparatus for upgrading a map of a self-driving vehicle. The method includes: obtaining a target position and a current position of the self-driving vehicle; obtaining a navigation path of the self-driving vehicle according to the target position and the current position; obtaining information of a map required by the navigation path, the information comprising a serial number of the map required and a version number of the map required; determining whether the map required is stored locally in the self-driving vehicle according to the serial number of the map required; determining whether a version number of the stored map is consistent with the version number of the map required if yes; and downloading a corresponding map from a server if not.

Abstract: Provided is a smart roadside unit, including: a high-bright camera assembly configured to capture a high-bright image; a low-bright camera assembly configured to capture a low-bright image, in which the high-bright camera assembly and the low-bright camera assembly have a substantially same shooting view; and a controller configured to extract vehicle information from the high-bright image and the low-bright image.

Abstract: The present disclosure proposes a method, an apparatus, a device, and a medium for calibrating an intelligent roadside unit. The method includes: obtaining an intelligent driving vehicle within a preset range of the intelligent roadside unit; obtaining a first point cloud detected by a first radar in the intelligent driving vehicle, and obtaining location information of the intelligent driving vehicle; obtaining a second point cloud detected by a second radar in the intelligent roadside unit; and obtaining location information of the second radar based on the first point cloud, the second point cloud, and the location information of the intelligent driving vehicle.

Abstract: Provided are a communication system and a communication method of an autonomous vehicle. The system includes: a plurality of application modules, and an in-vehicle terminal. The in-vehicle terminal includes: an external communication module configured to communicate with another autonomous vehicle or a server in a message mode, and an internal communication module configured to communicate with the plurality of application modules in a service mode.

Abstract: The present disclosure provides a high-precision map generation method, device, and computer device. The method includes: obtaining a local high-precision map in an autonomous vehicle and a destination of the autonomous vehicle, determining whether there is a high-precision map corresponding to a front road section according to the destination and the local high-precision map, and when there is no high-precision map corresponding to the front road section, prompting the driver to switch to a manual driving mode, and after the autonomous vehicle enters the front road section, collecting map information by a radar and a camera of the autonomous vehicle, and generating the high-precision map according to the map information.

Abstract: Provided is a smart roadside unit, including a light intensity sensor configured to generate current light intensity information; a high-bright camera assembly configured to capture a high-bright image; a low-bright camera assembly configured to capture a low-bright image; and a controller configured to turn on the high-bright camera assembly to shoot when the current light intensity is greater than a first light intensity threshold, turn on the low-bright camera assembly to shoot when the current light intensity is less than a second light intensity threshold, and extract vehicle information from the high-bright image or the low-bright image, in which the second light intensity threshold is smaller than the first light intensity threshold.

Abstract: An electronic device that reduces relative drift is described. In particular, an interface circuit in the electronic device may calculate, based on differences between transmit times when packets were transmitted by a second electronic device and receive times of the packets, relative drift as a function of time between a clock in the interface circuit and a second clock in the second electronic device. Then, the interface circuit may adjust, based on the relative drift, a clock circuit that provides the clock to eliminate the relative drift, and may store the adjustments to the clock circuit. Furthermore, when a wireless reset occurs, the interface circuit may adapt the clock circuit based on the stored adjustments to reduce the relative drift while the interface circuit restores frequency lock with the second clock based on additional packets with additional transmit times that are received from the second electronic device.

Abstract: Provided are a vehicle positioning method, an apparatus and a device. The method includes: sending an auxiliary positioning request to an auxiliary positioning device within a preset distance range; receiving an auxiliary positioning message returned by the auxiliary positioning device with respect to the auxiliary positioning request, where the auxiliary positioning message carries location information of the auxiliary positioning device; and determining a current location of a current vehicle according to the location information of the auxiliary positioning device and distance information between the current vehicle and the auxiliary positioning device. The method of the present disclosure can implement vehicle positioning without a satellite positioning signal. The vehicle positioning can be performed when the vehicle is blocked by an obstacle such as a tunnel, a building and the satellite positioning signal cannot be received, improving the accuracy of the vehicle positioning.

Abstract: An electronic device that reduces relative drift is described. In particular, an interface circuit in the electronic device may calculate, based on differences between transmit times when packets were transmitted by a second electronic device and receive times of the packets, relative drift as a function of time between a clock in the interface circuit and a second clock in the second electronic device. Then, the interface circuit may adjust, based on the relative drift, a clock circuit that provides the clock to eliminate the relative drift, and may store the adjustments to the clock circuit. Furthermore, when a wireless reset occurs, the interface circuit may adapt the clock circuit based on the stored adjustments to reduce the relative drift while the interface circuit restores frequency lock with the second clock based on additional packets with additional transmit times that are received from the second electronic device.

Abstract: An electronic device that coordinates a playback operation is described. In particular, an interface circuit in the electronic device may calculate, based on differences between transmit times when packets were transmitted by a second electronic device and receive times of the packets, relative drift as a function of time between a clock in the interface circuit and a second clock in the second electronic device. Then, the interface circuit may adjust, based on the relative drift, a clock circuit that provides the clock to eliminate the relative drift, and may determine a remaining time offset between the clock and the second clock. Next, the interface circuit may modify a future time when the second electronic device is to perform the playback operation based on the remaining time offset to determine a corrected future time, and may transmit information to the second electronic device specifying the corrected future time.

Abstract: Provided are a method, an apparatus and a device for controlling a collaborative lane change. The method includes: receiving a lane change request transmitted by a first vehicle, where the lane change request includes vehicle information of the first vehicle; and transmitting a first control instruction to the first vehicle according to the vehicle information of the first vehicle and vehicle information of other vehicles in a target lane to which the first vehicle requests to change, so as to cause the first vehicle to perform a lane change according to the first control instruction, thereby improving the traffic efficiency and safety of the vehicle during the lane change process.

Abstract: Provided are a method, an apparatus and a device for controlling a cooperative intersection. The method includes: receiving a passage request for intersection transmitted by a first vehicle, the passage request for intersection comprises vehicle information of the first vehicle; transmitting a traffic directing instruction to the first vehicle according to the vehicle information of the first vehicle to cause the first vehicle pass the intersection according to the traffic directing instruction. The passage request for intersection of the host vehicle is received through a traffic control unit, and a traffic directing instruction is transmitted to the host vehicle according to the vehicle information of the host vehicle in the intersection request. The traffic directing instruction is transmitted through V2X communication, which can finely direct the driving lane, follow-up driving, passage time, stop time and stop location for each vehicle, thereby making the intersection traffic safer and more efficient.