Abstract: A data encoding method includes obtaining an attribute residual of a current point cloud point, binarizing the attribute residual to obtain a binary code of the current point cloud point that includes a first binary code indicating a first flag bit and a second binary code indicating a second flag bit, selecting a first context model from a context model list according to a first condition, selecting a second context model from the context model list according to a second condition, encoding the first binary code using the first context model, and encoding the second binary code using the second context model. The first condition and the second condition are different for the first context model and the second context model corresponding to a same index in the context model list.

Abstract: Provided are a method for driving a light-emitting substrate, a driving circuit and a display apparatus. The light-emitting substrate includes: at least one control region, which includes a plurality of light-emitting sub-regions, the light-emitting sub-region includes a plurality of light-emitting elements which are connected in series and/or in parallel; each light-emitting sub-regions includes a first signal end and a second signal end, in a same control region, the first signal ends of all the light-emitting sub-regions are electrically connected with each other, and the second signal ends of the different light-emitting sub-regions are independent of each other; the method includes: loading a first signal to the first signal ends in the control region; and loading second signals to the second signal ends of each of the plurality of the light-emitting sub-regions in the control region when a first duration is delayed after the first signal is provided.

Abstract: A lightweight intrusion detection method includes obtaining a feature data set of the internet of vehicles and pre-processing data; dividing pre-processed data into an initial training set, an initial verification set and an initial test set according to a preset proportion, performing data balance on the initial training set to obtain a balanced training set, performing feature selection on the balanced training set, the initial verification set and the test set; obtaining a teacher model by training with the model training set and the model verification set; using the teacher model, the model training set and the model verification set for distillation training to obtain a student model; testing a size and complexity of the student model and the performance of the student model, and saving the student model that passes the test as a lightweight intrusion detection model; and deploying the lightweight intrusion detection model.

Abstract: A method includes: obtaining current motion state data of the wheel-legged robot, the current motion state data representing motion features of the wheel-legged robot, inputting the current motion state data into a nonlinear controller to obtain a target joint angular acceleration reference value of a target robot joint of the wheel-legged robot, and inputting the target joint angular acceleration reference value into a whole-body dynamics controller to output a joint torque for controlling the wheel-legged robot to perform a control task.

Abstract: A display panel and a display device are provided. The display panel includes a first substrate; a light-emitting layer; and a light modulation layer. The light-emitting layer is located between the first substrate and the light modulation layer; the light modulation layer includes a first light modulation layer and a second light modulation layer; the light-emitting layer includes at least one light-emitting element; the first light modulation layer includes at least one first opening; an orthographic projection of the first opening on the first substrate overlaps an orthographic projection of the light-emitting element on the first substrate; the second light modulation layer covers the first opening; and a refractive index of the second light modulation layer is greater than a refractive index of the first light modulation layer.

Abstract: The present disclosure provides an organic electroluminescent device and a display panel. The organic electroluminescent device provided by the present disclosure includes: a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, and an optical structure located at a side of the first electrode facing away from the light-emitting layer. A reflectance of the optical structure with respect to light of a specific wavelength band is greater than a reflectance of the optical structure with respect to light of a wavelength band other than the specific wavelength band, the light of the specific wavelength band being light emitted by the organic electroluminescent device, and a material for forming the optical structure includes at least one of nitrogen, oxygen, and fluorine.

Abstract: One or more embodiments of the present disclosure relate to generation of map data. In these or other embodiments, the generation of the map data may include determining whether objects indicated by the sensor data are static objects or dynamic objects. Additionally or alternatively, sensor data may be removed or included in the map data based on determinations as to whether it corresponds to static objects or dynamic objects.

Abstract: A method is provided for artificially ageing a material, comprising heating the material according to a predefined temperature profile, wherein the temperature profile comprises a variable target temperature; and applying a paint bake cycle to the material.

Abstract: An optical module including a circuit board, a circuit adapter board disposed on and electrically connected to the circuit board, a silicon optical chip disposed on and electrically connected to the circuit adapter board, an optical fiber socket optically connected to the silicon optical chip through a first optical fiber ribbon, and a light source disposed on and electrically connected to the circuit board and optically connected to the silicon optical chip through a second optical fiber ribbon; wherein a thermal expansion coefficient of the circuit adapter board is lower than that of the circuit board, the silicon optical chip is provided with optical waveguide end facet on a side thereof configured to be butted with the first optical fiber ribbon and the second optical fiber ribbon, and the circuit adapter board has a notch on a side thereof proximate to the optical waveguide end facets.

Abstract: An end cover assembly includes: an end cover with a through hole for injecting electrolyte and a first clamping portion, wherein the first clamping portion is disposed along a circumferential direction of the through hole and is located on one side of the end cover away from an interior of the battery cell; a sealing ring for sealing the through hole; and a pressure relief device covering at least part of the sealing ring and closing the through hole; wherein the pressure relief device includes a second clamping portion, and is rotatable such that when the pressure relief device is rotated to a first position, the second clamping portion is clamped with the first clamping portion; and when the pressure relief device is rotated to a second position, the second clamping portion is disengaged from the first clamping portion.

Abstract: The present application provides a method and an apparatus for wireless communication. An example method includes: respectively performing measurements on all frequencies in a first frequency subset to obtain a plurality of measurement results, determining whether to transmit a sidelink synchronization signal block on one or more frequencies in a first frequency set based on a first parameter and a first threshold, wherein the first parameter is determined based on the plurality of measurement results, and the first frequency subset belongs to the first frequency set.

Abstract: Structures for a single-photon avalanche diode and methods of forming a structure for a single-photon avalanche diode. The structure comprises a semiconductor layer on a top surface of a semiconductor substrate, a light-absorbing layer on a first portion of the semiconductor layer, a dielectric layer on a second portion of the semiconductor layer, and a doped region in the semiconductor substrate adjacent to the semiconductor layer. The structure further comprises a deep trench isolation structure that penetrates through the dielectric layer and the second portion of the semiconductor layer to the doped region. The deep trench isolation structure includes a conductor layer and a dielectric liner, the dielectric liner includes a portion between the conductor layer and the semiconductor layer, and the conductor layer is connected to the first doped region.

Abstract: The present invention provides a manufacturing method and cleaning method of light-triggered light-transmitting cleaning structure. The manufacturing method includes following steps: step S1, providing a light-transmitting substrate; step S2, forming a nanoparticle layer on the substrate surface; step S3, heating the light-transmitting substrate to a softening temperature and allowing metallic nanoparticles to permeate the light-transmitting substrate; step S4, cooling for the metallic nanoparticles to form a doped structure in the light-transmitting substrate, forming the light-triggered light-transmitting cleaning structure. The cleaning method forms an optical Tamm state by irradiating said structure with a light source to resonate, such that the optical Tamm state interacts with ambient substance to form a cleaning substance for removing pollutants. The present invention achieves the purpose of pollutants cleaning under the conditions of high transparency, high light transmission, and long service life.

Abstract: The present application provides a schedule creation method and system, a device, and a medium. The method includes: obtaining information to be processed in response to an input request triggered on a schedule creation page, where the information to be processed is configured to represent natural language content, wherein the information to be processed is configured to indicate the generation of a target schedule; displaying, on the schedule creation page based on the information to be processed, schedule information including a plurality of schedule configuration items; and creating the target schedule in response to a confirmation operation for the schedule information.

Abstract: A test method for a variable speed limit (VSL) strategy in a mixed traffic flow considering driver compliance is provided. A road scenario is built, and multiple mixed traffic flows formed by human-driven vehicles (HDVs) and connected and automated vehicles (CAVs) are set, which vary in CAV penetration rate. The VSL strategy is established, and a speed limit of an upstream of the bottleneck area is calculated based on the VSL strategy. A HDV compliance is established, and in combination with the speed limit, the HDV drivers are classified, and a proportion of the HDV drivers in individual types in the road scenario is determined. Based on a traffic flow scenario in which the HDV drivers and CAV drivers are located, indicator data reflecting traffic capacity is calculated. A test system for performing the test method is further provided.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of pixel units distributed in an array. The pixel unit includes: a pixel driver circuit configured to provide a driving current, a plurality of sub-pixels configured to emit light under an action of the driving current, and a switching circuit including a plurality of switching units arranged in correspondence with the plurality of sub-pixels. The switching unit is connected in series between the pixel driver circuit and a corresponding sub-pixel, a control end of the switching unit is configured to receive a switching signal, a first end of the switching unit is connected to the pixel driver circuit, a second end of the switching unit is connected to the corresponding sub-pixel, and the switching unit conducts a communication path between the sub-pixel and the pixel driver circuit in response to the switching signal.

Abstract: A computer-implemented method for generating an approximation image of a matrix A, the computer-implemented method including: constructing in a processing unit a C, U, R matrices decomposition of matrix A wherein C includes k column vectors and R includes k row vectors retrieved from a storage memory holding the matrix A; performing in the processing unit Singular Value Decomposition on the C, U, and R to generate the approximation matrix Uk?kVkT of the matrix A such that A?Uk?kVkT.