Abstract: Provided is a method for evaluating pose in standing long jump, an electronic device, and a storage medium, relating to the field of computer vision applicable to scenarios of physical education, fitness testing, and training for adolescents. The method includes: generating, for a video frame in a standing long jump video of a target object, a body spatial position, a joint angle, a relative position parameter of a body part and a body moving velocity of the target object in the video frame; extracting key motion frames from the standing long jump video; obtaining a key motion evaluation result of the target object in a key motion frame; and determining a standing long jump pose evaluation result according to the key motion evaluation result of the target object.

Abstract: A method for analyzing a ball game motion includes: in response to entering a serving stage, obtaining a motion trajectory of a ball by fitting based on a ball game video acquired; determining a hitting coordinate of a motion subject, a hitting posture of the motion subject, and a landing coordinate of the ball based on the motion trajectory and the ball game video; and obtaining a motion analysis result based on the hitting coordinate, the hitting posture, and the landing coordinate, to display the motion analysis result in real time through a display device.

Abstract: A method for segmenting an image sequence is provided. In the method, a motion state of a target object in images is determined to obtain a motion state sequence based on the images in the image sequence; a target motion state among the multiple motion states within a sliding window of the motion state sequence is updated to obtain an updated motion state complying with a kinematics rule of the target object; a segmentation point corresponding to a motion process of the target object in the image sequence is determined based on the updated motion state; and the image sequence is segmented according to the segmentation point.

Abstract: A preparation method and a use of 2D MoS2 materials are provided. Molybdenum source and sulfur powder are used as raw materials, and inert gas is used as carrier gas. Through an intermediate evaporation process, the raw materials are transported to the molten glass surface and deposited into solid molybdenum sulfide. In the subsequent etching-spreading-sulfurization-precipitation process, ultra-high quality and ultra-large area MoS2 single-crystal domains are obtained under normal pressure and without hydrogenation. The single-crystal domain size of the prepared 2D MoS2 material can reach 1.5 cm, and then grow into a wafer-level 2D MoS2 material with a size of 2 inches and a thickness of 1-2 layers.

Abstract: A large model-based video processing method, device and storage medium in the field of artificial intelligence technology, particularly in the fields of deep learning and large models are disclosed. The specific solution includes: collecting an imitation video made by a user based on a target video; extracting three-dimensional postures of the imitation video using a pre-trained large model based on the imitation video; and performing posture assessment on the imitation video using the pre-trained large model based on the three-dimensional postures of the imitation video and pre-obtained three-dimensional postures of the target video to obtain an assessment result.

Abstract: A display panel and a display device are provided. The display panel has: a plurality of first pixel electrodes arranged in a first display area; and a plurality of second pixel electrodes arranged in a second display area. The plurality of second branch electrodes have at least two different extension directions. The extension directions of the plurality of first branch electrodes of the first pixel electrode are the same.

Abstract: A display panel and an electronic device are provided. The electronic device includes a display panel. The display panel includes a light-emitting component layer, a flat layer, and a lens layer. The lens layer has a plurality of lens units. A refractive index of the lens layer is greater than a refractive index of the flat layer, so that a refractive index difference between the lens layer and the flat layer and refractive effect of the lens units on the light are used to reduce angles of light emission, such that light at large angles converges and transmits toward a center, thereby improving efficiency of forward light emission of the display panel.

Abstract: A remote-control aircraft comprises an aircraft body with a mounting platform provided with a connecting part and first magnet(s), and the connecting part is perforated with a connecting hole; and comprises an aircraft wing with an inserting part and second magnet(s) on its underside close to the aircraft body, the inserting part is rotationally inserted into the connecting hole, the second magnet and the first magnet are connected by magnetic attraction, and the aircraft wing is in close contact with the mounting platform. Thus, the aircraft wing and body can be quickly assembled and disassembled and can be carried conveniently. While the aircraft wing collides with an obstacle, it can be rotated around the inserting part as the center, and the impact force can be unloaded by rotating to prevent the aircraft wing from being damaged and prevent the aircraft wing from being separated from the aircraft body.

Abstract: A display panel and a display device are provided. The display panel has: a plurality of first pixel electrodes arranged in a first display area; and a plurality of second pixel electrodes arranged in a second display area. The plurality of second branch electrodes have at least two different extension directions. The extension directions of the plurality of first branch electrodes of the first pixel electrode are the same.

Abstract: A display panel and a splicing screen are provided. The display panel includes a first substrate and a second substrate. The pixel unit on the first substrate includes a light-emitting area and a vacant area. The light-emitting area is provided with a light-emitting diode chip and a pixel driving circuit. At least one conductive hole is provided in the vacant area. The second substrate is arranged on a side of the first substrate facing away from the pixel unit, and the pixel driving circuit is electrically connected to a bonding conductive layer included in the second substrate through the conductive hole, which can eliminate a lower frame of the first substrate and prevent crack extension.

Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a light emitting layer, a protective layer and a light adjusting layer. The protective layer is located on the side of the light emitting layer far away from the substrate, the protective layer includes a plurality of stop blocks disposed corresponding to gaps between light emitting pixels, and the light adjusting layer is located between adjacent two stop blocks and covers the stop blocks. A refractive index of the protective layer is less than a refractive index of the light adjusting layer, and the light is totally reflected at a junction between the light adjusting layer and the stop block, which improves the forward light efficiency and light output efficiency.

Abstract: A display panel and an electronic device are provided. The electronic device includes a display panel. The display panel includes a light-emitting component layer, a flat layer, and a lens layer. The lens layer has a plurality of lens units. A refractive index of the lens layer is greater than a refractive index of the flat layer, so that a refractive index difference between the lens layer and the flat layer and refractive effect of the lens units on the light are used to reduce angles of light emission, such that light at large angles converges and transmits toward a center, thereby improving efficiency of forward light emission of the display panel.

Abstract: A remote-control aircraft comprises an aircraft body with a mounting platform provided with a connecting part and first magnet(s), and the connecting part is perforated with a connecting hole; and comprises an aircraft wing with an inserting part and second magnet(s) on its underside close to the aircraft body, the inserting part is rotationally inserted into the connecting hole, the second magnet and the first magnet are connected by magnetic attraction, and the aircraft wing is in close contact with the mounting platform. Thus, the aircraft wing and body can be quickly assembled and disassembled and can be carried conveniently. While the aircraft wing collides with an obstacle, it can be rotated around the inserting part as the center, and the impact force can be unloaded by rotating to prevent the aircraft wing from being damaged and prevent the aircraft wing from being separated from the aircraft body.

Abstract: A display panel is provided. The display panel comprises a display screen, a first backlight module, a second backlight module, and a fingerprint sensor, wherein the second backlight module has a fingerprint identification mode and a display mode. In the fingerprint identification mode, light reaches the fingerprint sensor through the second backlight module for fingerprint identification, and in the display mode, the first backlight module and the second backlight module provide uniform backlight to the display screen, thus realizing compatibility of functions of under-screen fingerprint identification and display.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for updating information. The method may include: acquiring road network structure information of a target road network and vehicle information of a target number of vehicles in the target road network, the vehicle information including initial state information, perception information and positioning information, and the vehicle information being constrained by the road network structure information; selecting a target vehicle from the target number of vehicles; determining, based on a vehicle dynamics model, a reference speed at which the target vehicle passes a preset time step; and updating vehicle information of a vehicle in the target road network based on the reference speed of the target vehicle.

Abstract: A display panel is provided. The display panel comprises a display screen, a first backlight module, a second backlight module, and a fingerprint sensor, wherein the second backlight module has a fingerprint identification mode and a display mode. In the fingerprint identification mode, light reaches the fingerprint sensor through the second backlight module for fingerprint identification, and in the display mode, the first backlight module and the second backlight module provide uniform backlight to the display screen, thus realizing compatibility of functions of under-screen fingerprint identification and display.

Abstract: The present application provides a liquid crystal display panel, a liquid crystal display device, and an electronic device. By removing portions of a first polarizer and a second polarizer of the liquid crystal display panel that corresponds to a light-transmitting area, light can be transmitted in the light-transmitting area of the liquid crystal display panel. In addition, by setting a first liquid crystal layer in the light-transmitting area of the liquid crystal display panel to allow a portion of the liquid crystal display panel corresponding to the light-transmitting area in a display state.

Abstract: The present application provides a display panel and a method of fabricating the same. The display panel includes a display area, a non-display area, and a channel. The non-display area includes a first insulating layer, a second insulating layer, a first conductive layer, and a third insulating layer. The surface of the second insulating layer has a plurality of convex portions and a plurality of concave portions that are continuously distributed. The first conductive layer covers the second insulating layer. The third insulating layer includes a plurality of insulating strips spaced apart on the first conductive layer, and the plurality of insulating strips are disposed corresponding to the plurality of concave portions.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for updating information. The method may include: acquiring road network structure information of a target road network and vehicle information of a target number of vehicles in the target road network, the vehicle information including initial state information, perception information and positioning information, and the vehicle information being constrained by the road network structure information; selecting a target vehicle from the target number of vehicles; determining, based on a vehicle dynamics model, a reference speed at which the target vehicle passes a preset time step; and updating vehicle information of a vehicle in the target road network based on the reference speed of the target vehicle.

Abstract: Embodiments of the present disclosure provide a method and apparatus for generating information. A method may include: selecting a three-dimensional object model from a preset three-dimensional object model set based on a to-be-matched object image in a target two-dimensional image; determining, based on a normal vector of a ground plane of the target two-dimensional image, a plane equation of ground corresponding to the normal vector of the ground plane in a three-dimensional space; adjusting a rotation parameter and a translation parameter of the three-dimensional object model in the plane characterized by the plane equation; and generating, in response to determining that a contour of the adjusted three-dimensional object model matches a contour of the to-be-matched object image in the target two-dimensional image, three-dimensional information of an object corresponding to the to-be-matched object image based on the adjusted three-dimensional object model.