Abstract: Disclosed are an interface interaction method, an apparatus, a computer device, and a storage medium. The method comprises: a page switching instruction of a current page is received, a page identifier of a next page is carried by page switching instruction, the current page comprises a background layer and a content layer located above the background layer; page switching instruction is executed, and next page is displayed; and a first preset instruction configured to operate the next page is received when next page only comprises background layer, and the first preset instruction is executed. By presetting the interaction instruction configured to execute interaction of background layer, after switching the page to a page where background layer is located, when interaction instruction for the background layer is received, interaction instruction is executed to realize interaction for the background layer.

Abstract: This disclosure relates to the field of artificial intelligence, and in particular, to the field of autonomous driving, and provides a method and apparatus for calibrating an extrinsic parameter of a camera. The method includes: obtaining a photographed image photographed by the camera, the photographed image being an image photographed by the camera using a calibration reference object as a photographed object; and obtaining extrinsic parameters of the camera based on the photographed image and a high-precision map, the high-precision map including the calibration reference object. The extrinsic parameters of the camera are obtained using the photographed image of the calibration reference object that is photographed by the camera and the high-precision map, so that calibration precision of the extrinsic parameters of the camera can be improved. This disclosure may be applied to an intelligent vehicle, a connected vehicle, a new energy vehicle, or an autonomous vehicle.

Abstract: The present disclosure provides a laser emitting module and a LiDAR apparatus. The laser emitting module includes at least two groups of laser emitting circuits. Each group of the laser emitting circuits includes one charging energy storage circuit and at least one energy releasing circuit. The energy releasing circuit includes an energy releasing switch and at least one laser. The energy releasing switch is turned on to drive at least one laser to work correspondingly. The charging energy storage circuit and the energy releasing circuit are arranged one-to-one or one-to-multiple. Any two adjacent emissions correspond to different groups of the laser emitting circuits.

Abstract: Disclosed are a key management method and a key management apparatus. The method includes: after confirming that a user logs into a digital identity through a first identity authentication mode, acquiring a first character decryption key corresponding to a first character in at least one character of the digital identity; and decrypting, based on the first character decryption key, an encrypted target key stored in the digital identity to obtain a target key, where the target key is used to manage an asset corresponding to the first character. Based on the technical solutions provided in the present application, a user can log into a digital identity through existing identity information and implement asset management without memorizing a cumbersome and complicated key, which provides great convenience for the user.

Abstract: A three-electrode battery (10) and an energy storage system are disclosed. The three-electrode battery (10) includes a battery management unit (14), a housing (11), and a reference electrode (13) and a battery cell (12) that are disposed in the housing (11). A detection part (131) of the reference electrode (13) is located in the battery cell (12). A reference electrode tab (132) is located outside the battery cell (12). The battery management unit (14) is connected to the reference electrode tab (132) and a negative electrode tab (122) of the battery cell (12), so that a voltage between the reference electrode (13) and a negative electrode of the battery cell (12) can be collected in real time, and a charging current of the battery (10) is controlled based on the negative electrode potential, so that the charging current can be optimized and adjusted in real time.

Abstract: A shaft and a keyboard are provided. The shaft includes a shaft casing having a shaft cavity running theretrough, a shaft core and a first elastic part. A downward surface of the shaft casing is provided with a groove, a partition board is provided between the groove and the shaft cavity, and the partition board is provided with a channel in a direction of the shaft cavity. The shaft core slidably penetrates through the shaft cavity, a sliding protrusion corresponding to the channel in position is provided on a side surface of the shaft core, and the sliding protrusion has a first inclined surface and a second inclined surface which are arranged back to back; the first elastic part is mounted in the groove, and has a fixed end detachably connected with the shaft casing and an abutting end capable of abutting against the first inclined surface at the channel.

Abstract: A communication method and an apparatus are provided. The method includes: An AI device determines an energy saving policy based on collected AI data. The AI device notifies a network device of the energy saving policy. The network device performs an energy saving operation according to the energy saving policy. Compared with a solution in which a network device or an OAM system determines an energy saving policy by using human experience or a simple algorithm and implements the energy saving policy, an intelligent energy saving mechanism of a network can be implemented, and a high requirement of energy saving of the network can be satisfied.

Abstract: The disclosure discloses a motor driving method, an apparatus, and a system, and relate to the chip field. The solution may include: When a motor control apparatus determines that a motor needs to rotate at a maximum torque, the motor control apparatus controls a driver to output a first current to drive the motor to rotate. The first current is greater than a rated peak current of the driver and is less than or equal to a maximum load current of the driver. This method can resolve a problem that a waste of costs is caused because a through-current capability improved by a redundancy design of a switching transistor of a motor driver cannot be fully utilized for most customers and application scenarios.

Abstract: Disclosed are a backlight module, a display device structure and a display device. The backlight module includes a light source plate and an optical film sequentially arranged. The backlight module further includes a light-transmitting magnetic structure provided between the light source plate and the optical film. A magnetic support force from the light source plate towards the optical film is formed in the light-transmitting magnetic structure, the light-transmitting magnetic structure is partially formed on the optical film, and the magnetic support force is configured to support the optical film.

Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel is divided into a bending area and a non-bending area, and includes a thin film transistor layer corresponding to the non-bending area, an organic filling layer corresponding to the bending area, and a pixel electrode. The pixel electrode in the bending area is connected to a source of the thin film transistor layer in the non-bending area through a metal trace, the organic filling layer includes a plurality of second via holes, and an organic photoresist is filled in the plurality of second via holes.

Abstract: An autonomous cleaning device, includes: a mobile platform, configured to move autonomously on a cleaning surface; and a cleaning module, disposed on the mobile platform and including a wet cleaning module, configured to clean at least part of the cleaning surface in a wet cleaning mode.

Abstract: Embodiments of the present disclosure disclose a content sharing method, apparatus, and system. The method is applied to a first terminal. The first terminal generates a first picture in response to detecting a first operation; sends a first message to a second terminal via a near field connection, where the first message comprises a thumbnail of the first picture to indicate the second terminal to display a first prompt that comprises the thumbnail of the first picture; receives, from the second terminal, a second message corresponding to a second operation associated with the first prompt; and sends the first picture to the second terminal in response to the second message.

Abstract: The present disclosure may relate to a system and a method for video coding. The method may include determining at least one classification mode of a first component of a first pixel for a block in an image frame based on at least one pixel value of at least one second component of at least one second pixel that surrounds the first pixel. The method may also include generating a target classification result by classifying the first component based on at least a portion of the at least one classification mode. The method may also include compensating the first component based on an optimal compensation value of the target classification result.

Abstract: This application discloses a photovoltaic station and a power coordination method for a photovoltaic station. Sample inverters are disposed in arrays requiring power adjustment in the photovoltaic station. Real-time active power of sample inverters in each array is obtained. Then, an available active capacity and an available reactive capacity of the array and available active capacities and available reactive capacities of all the arrays requiring power adjustment are obtained based on the real-time active power of the sample inverters. Finally, active power and reactive power of the photovoltaic station are separately allocated to the N arrays based on the available active capacities and the available reactive capacities respectively corresponding to the N arrays.

Abstract: Disclosed is a semiconductor device and a manufacturing method, comprising: forming a pad oxide layer and a silicon nitride layer on a substrate; etching the silicon nitride layer into a plurality of segments; forming an oxide layer, having an up-and-down wave shape, by performing a traditional thermal growth field oxygen method on the semiconductor device by use of the plurality of segments serving as forming-assisted structures; performing traditional processes on the semiconductor device having an up-and-down wavy semiconductor surface, to form a gate oxide layer, a polysilicon layer, and to form a source region and a drain region by implantation The semiconductor device having an up-and-down wavy channel region may be formed by a traditional thermal growth field oxygen method, thus the manufacturing processes are simple, the cost is low, and the completed device may have a larger effective channel width and a lower on-state resistance.

Abstract: The present disclosure provides a vision processing and model training method, device, storage medium and program product. A specific implementation solution is as follows: establishing an image classification network with the same backbone network as the vision model, performing a self-monitoring training on the image classification network by using an unlabeled first data set; initializing a weight of a backbone network of the vision model according to a weight of a backbone network of the trained image classification network to obtain a pre-training model, the structure of the pre-training model being consistent with that of the vision model, and optimize the weight of the backbone network by using real data set in a current computer vision task scenario, so as to be more suitable for the current computer vision task; then, training the pre-training model by using a labeled second data set to obtain a trained vision model.

Abstract: This disclosure provides a method for nonlinearly calibrating linear frequency modulation of an optical signal, an apparatus for nonlinearly calibrating linear frequency modulation of an optical signal, a computer-readable storage medium, and an electronic device. The method includes: in an ith frequency modulation cycle, obtaining a relationship between a modulation voltage signal Vi(t) input into a light source and an actual frequency signal fi(t) of an optical signal output by the light source, to obtain an actual association relationship fi(V) corresponding to the ith frequency modulation cycle, where i is a positive integer; based on a target frequency modulation signal fg(t) and the actual association relationship fi(V), determining a modulation voltage signal Vj(t) corresponding to a jth frequency modulation cycle, where j is i+1; and inputting a modulation voltage signal Vj(t) into the light source, to implement frequency modulation of the optical signal in the jth frequency modulation cycle.

Abstract: A light emitting device includes a package substrate, a patterned conductive layer, an LED chip, and an encapsulation layer. The patterned conductive layer is located on top of the package substrate, and has an isolation region that separates the patterned conductive layer into a first region and a second region. The LED chip is located on top of the patterned conductive layer. The encapsulation layer covers the LED chip and the patterned conductive layer. The encapsulation layer forms an optical structure that corresponds to the LED chip in position and that has a lateral curved surface covering a side wall of the LED chip. When light emitted from the LED chip radiates through the optical structure, the light emitting device has a viewing angle exceeding 120°.

Abstract: A method is provided which includes: obtaining a set of sequence lengths for performing randomized benchmarking on the quantum computer; performing, for each m, the following operations R times: obtaining m quantum gates that are randomly generated, and quantum gates corresponding to respective inverse operations of the m quantum gates; constructing a quantum circuit, wherein the m quantum gates are sequentially connected in a first order, and the quantum gates corresponding to the respective inverse operations of the m quantum gates are sequentially connected behind the m quantum gates in an order opposite the first order; applying an initial quantum state to the quantum circuit to perform a plurality of standard basis measurements; and determining a number of occurrences of an all-zero sequence; fitting an objective function based on an average expected value corresponding to each m obtained after R operations; and determining an average precision of the quantum computer.

Abstract: A display apparatus is provided, which includes a display module, a biosensor, an ambient-light sensor, and a display controller. The ambient-light sensor is configured to detect ambient-light brightness and an ambient-light color temperature of the display apparatus. The display controller is configured to receive a video signal from a host, and displays the video signal on the display module. When the biosensor detects that a user is located in front of the display apparatus, the biosensor transmits an image-adjustment control signal to the display controller to control the display apparatus to enter an image-adjustment mode. When the display apparatus is in the image-adjustment mode, the display controller adjusts screen brightness and a screen color temperature of the image signal displayed on the display module according to the ambient-light brightness and the ambient-light color temperature.