Abstract: Techniques are provided for foreground extraction from a point cloud (e.g., a LiDAR point cloud) using surface fitting. In an embodiment, one or more processors of a vehicle can receive point cloud data from one or more vehicle sensors. The one or more processors can identify points in the point cloud data as foreground points or ground points using a spatial Kalman filter to capture changes in the terrain. A route or trajectory in a driving area for the vehicle can be generated using the identified foreground points and ground points. A vehicle controller can control the vehicle while the vehicle is traveling on the route or trajectory in the driving area.

Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a transistor layer, a planarization layer, and a light-emitting device layer. The light-emitting device layer includes: anodes; a pixel definition layer defining opening regions and non-opening regions, and part of each anode being exposed in a respective opening region; light-emitting layers corresponding to the opening regions; and cathodes located at a side of the pixel definition layer and the light-emitting layers facing away from the base substrate. The display panel further includes a first auxiliary-pad layer located at a side of planarization layer facing the base substrate, in a direction perpendicular to a plane of the base substrate, each first auxiliary-pad layer does not overlap with each opening region and extends along an extension direction of at least part of an edge of a respective opening region.

Abstract: An operation method based on a chip having an operation array is provided, including: obtaining a neural network model including D neural network layers, each neural network layer being used for operating M*N neurons; determining, from M*N*D neurons of the D neural network layers, K neurons to be operated corresponding to each operation clock cycle, and inputting the K neurons to K rows of operation units of an operation array; and performing an operation on the inputted K neurons in the each operation clock cycle by using the operation array. The M*N*D neurons are mapped to K dimensions and then allocated to the K rows of operation units. The operation array is used for operating the neural network model in a full-load operation mode.

Abstract: A data sending method, a data receiving method, a data transmit end, and a data receive end are provided. The data sending method includes: obtaining a transmission path used for data transmission, where the transmission path currently uses a first physical link group to transmit data; switching, based on a preconfigured link switching policy and transmission information of the transmission path, a physical link used by the transmission path from the first physical link group to a second physical link group; sending a first link switching notification message to a data receive end, where the first link switching notification message includes information indicating that the physical link used by the transmission path is switched from the first physical link group to the second physical link group; and continuing transmitting the data through a transmission path that uses the second physical link group.

Abstract: Methods and devices are provided for establishing a classic Bluetooth connection between dual-mode Bluetooth devices. In one aspect, a method includes receiving, by a first dual-mode Bluetooth device, a Bluetooth low energy advertising packet sent by a second dual-mode Bluetooth device; determining, by the first dual-mode Bluetooth device, a status of the classic Bluetooth of the second dual-mode Bluetooth device according to the Bluetooth low energy advertising packet; and prompting, by the first dual-mode Bluetooth device according to the status of the classic Bluetooth of the second dual-mode Bluetooth device, a user to operate the first dual-mode Bluetooth device or the second dual-mode Bluetooth device to establish a classic Bluetooth connection between the first dual-mode Bluetooth device and the second dual-mode Bluetooth device.

Abstract: A display panel and a display device are provided. The display panel includes a display region, a hole-digging region, and a boundary region disposed between the display region and the hole-digging region. The display panel also includes an array substrate and a light-emitting function layer. The array substrate includes a dam structure disposed between the display region and the boundary region. The light-emitting function layer covers the array substrate, and includes a first light-emitting component disposed over the display region and a second light-emitting component disposed over the boundary region. The array substrate further includes a base substrate and a driving device layer, and the driving device layer includes a first thin-film transistor device layer and a boundary driving circuit layer.

Abstract: Techniques are provided for foreground extraction from a point cloud (e.g., a LiDAR point cloud) using surface fitting. In an embodiment, one or more processors of a vehicle can receive point cloud data from one or more vehicle sensors. The one or more processors can identify points in the point cloud data as foreground points or ground points using a spatial Kalman filter to capture changes in the terrain. A route or trajectory in a driving area for the vehicle can be generated using the identified foreground points and ground points. A vehicle controller can control the vehicle while the vehicle is traveling on the route or trajectory in the driving area.

Abstract: Aspects of the disclosure can provide a method that can include acquiring a program updating request for updating an application program of a service application, where the program updating request can be used for updating a source application program to obtain a target application program. The method can further include performing control to write target firmware data to be updated matching the target application program into a target firmware region by using an update control component in a static configuration region of a field-programmable gate array (FPGA) based on the program updating request. Additionally, the method can include performing firmware update processing on a target reconfiguration region corresponding to the target application program in a dynamic configuration region of the FPGA by using the target firmware data in the target firmware region, and starting the updated target application program after the firmware update processing is completed.

Abstract: A method and system for monitoring physiological information. The system comprises: sensors (230), wherein the sensors (230) comprise a motion sensor and a medical monitoring sensor, the motion sensor comprises a first type of sensor (1220) and a second type of sensor (1240), and the medical monitoring sensor is configured to acquire physiological information of a user; a motion assembly (920) executing a control parameter-based operation to move in the surroundings; a tripod head (930); and a processor (210) used to execute operations such as information receiving, map construction, route planning, and control parameter operation.

Abstract: A method and a sensor for detecting L-cystine are disclosed. The method is implemented by assembling a sodium 3,3?-dithiodipropane sulfonate (SPS) membrane on a surface of Au membrane layer of an Au electrode and using an extended gate of field effect transistor (FET) and in-situ signal amplification of the FET to detect L-cystine sensitively. The polyanion of the SPS membrane adsorbs and binds a positively charged target L-cystine through electrostatic interaction, thus forming an electric double layer structure to generate a membrane potential identifying a monovalent organic ammonium ion. The sensor includes the FET, wherein a gate-extended gold electrode is arranged on the FET, and the SPS membrane is assembled on the surface of the Au membrane layer of the gate-extended gold electrode. The sensor has an excellent Nernst response to L-cystine.

Abstract: The disclosure provides an active peptide with an anti-lipid oxidation function and a preparation method and application thereof and belongs to the technical field of plant-derived biologically active peptides. In the disclosure, oil processing by-products, namely oil crops after oil extraction, are used as the raw materials, and the raw materials are subjected to the steps of protein extraction, infrared pretreatment, proteolysis, freeze-drying, lipophilic part extraction, vacuum concentration and drying and the like to prepare an anti-lipid oxidation peptide having the functional characteristics of scavenging DPPH free radicals, chelating metal ions, inhibiting lipid peroxidation, prolonging vegetable oil oxidation induction time, improving emulsion stability and the like.

Abstract: The present disclosure relates to methods and devices for discovering a Bluetooth device. One example method includes receiving, by a second Bluetooth device, a first broadcast frame from a first Bluetooth device, determining, by the second Bluetooth device, whether the first broadcast frame includes first indication information, and if the first broadcast frame includes the first indication information, sending, by the second Bluetooth device, at least one second broadcast frame within a preset time period after receiving the first broadcast frame The second broadcast frame includes second indication information, and the second indication information is used to instruct a Bluetooth device receiving the second broadcast frame to exchange information with the second Bluetooth device.

Abstract: Embodiments of the present disclosure provide, for example, a Bluetooth connection method, the example method including sending, by a first terminal, a Bluetooth low energy BLE advertising message, where the BLE advertising message includes device information. A second terminal receives the BLE advertising message, and then obtains the device information. The second terminal then matches the device information with prestored device information and, if the device information successfully matches the prestored device information, initiates a classic Bluetooth connection request to the first terminal, where the first terminal then establishes a classic Bluetooth connection to the second terminal. Power consumption of BLE is low.

Abstract: The present disclosure relates to the communications field, and disclose a wireless connection switching method and a terminal. A specific solution is as follows: A first terminal establishes a first wireless connection to a second terminal. When the first terminal needs to establish a second wireless connection to the second terminal, the first terminal negotiates, with the second terminal by using the first wireless connection, information required for establishing the second wireless connection. Subsequently, the first terminal can establish the second wireless connection to the second terminal based on the negotiated information required for establishing the second wireless connection.

Abstract: The disclosure relates to a control method of a probe with ultrasonic phased array transducers in a hinge array, and belongs to the technical field of ultrasonic detecting.

Abstract: The present invention discloses an engineering yeast strain for producing nervonic acids. The yeast strain over-expresses the genes related to enzymes required in a synthetic process of long-chain unsaturated fatty acids, such as fatty acid elongase, desaturase, diacylglycerol acyltransferase and the like, and optionally, further adjusts and controls the synthesis and decomposition route of triglyceride, the synthesis and decomposition route of sphingomyelin, and the synthesis and decomposition route and the oxidation-reduction balanced route of lipid subcell levels. The recombinant yeast strain can produce microorganism oil; and the content of the prepared nervonic acids accounts for 39.6% of the total fatty acids.

Abstract: A first device obtains an advertising parameter used by a second device to send an advertising data packet, where the advertising parameter includes an advertising window and an advertising interval. The first device determines, based on the advertising window and the advertising interval by using a preset scanning model, a target scan parameter used by the first device, where the target scan parameter is a scan parameter used by the first device when power consumption of the first device is a preset threshold and a scan-to-discover time period satisfies a preset condition. The target scan parameter includes a target scan window and a target scan interval. The first device performs scanning based on the target scan window and the target scan interval.