Abstract: A positioning method and device, the method including: extracting multiple light spots from a current image frame, wherein the current image frame is an image currently collected by an extended reality device; determining an interference light spot in the multiple light spots according to information about a historical interference light spot, and removing the interference light spot in the multiple light spots, recognizing whether there is a light spot of a luminous light source in remaining light spots after removing the interference light spot, wherein the luminous light source is a light source set on a human-computer interaction apparatus, and the human-computer interaction apparatus is used for a user to interact with the extended reality device; determining a current pose of the human-computer interaction apparatus according to the light spot of the luminous light source recognized in the remaining light spots.

Abstract: The anti-dive control method for the automobile comprises: obtaining preset automobile operating condition parameters, and obtaining parameter values of the automobile operating condition parameters in real time; determining in real time whether the parameter values of the automobile operating condition parameters satisfy a preset first trigger condition or a preset second trigger condition; if the parameter values of the automobile operating condition parameters satisfy the preset first trigger condition, obtaining a preset first control strategy corresponding to the first trigger condition; implementing real-time control of the suspension damping force of the automobile according to the first control strategy; if the parameter values of the automobile operating condition parameters satisfy the preset second trigger condition, obtaining a preset second control strategy corresponding to the second trigger condition; and implementing real-time control of the suspension damping force of the automobile according

Abstract: Disclosed are a backlight module, an assembly method of a backlight module and a display. The backlight module includes a backplane, a lamp plate and an optical diaphragm, the backplane includes a bottom cover and an upper frame, the lamp plate is mounted on the bottom cover, the upper frame is detachably connected above the bottom cover, the optical diaphragm is mounted on the upper frame and provided opposite to the lamp plate.

Abstract: A display apparatus driving method includes: obtaining, based on a trigger signal, a distance value between the display apparatus and a user that is acquired by a distance detector, determining whether the distance value is within a preset range; and controlling a near-infrared light emitter of the display apparatus to emit near-infrared light, if the distance value is within the preset range, where the near-infrared light is used to heat the skin of the user.

Abstract: A display apparatus driving method includes: obtaining, based on a trigger signal, a distance value between the display apparatus and a user that is acquired by a distance detector; determining whether the distance value is within a preset range; and controlling a near-infrared light emitter of the display apparatus to emit near-infrared light, if the distance value is within the preset range, where the near-infrared light is used to heat the skin of the user.

Abstract: A display device and an electronic device are provided. The display device includes a back plate, a display panel, an optical film, a first light-emitting unit, and a second light-emitting unit. The display panel and the second light-emitting unit are carried on the back plate. The optical film and the first light-emitting unit located on one side of the optical film away from the display panel are accommodated in an accommodating cavity cooperatively defined by the display panel and the back plate. The visible light emitted by the first light-emitting unit is incident on the display panel via the optical film. A part of the ultraviolet light emitted by the second light-emitting unit avoids the display screen and is emitted onto the transparent cover plate, and another part of the ultraviolet light is emitted onto the transparent cover plate via the display screen, to clean the display panel.

Abstract: A positioning method and device, the method including: extracting multiple light spots from a current image frame, wherein the current image frame is an image currently collected by an extended reality device; determining an interference light spot in the multiple light spots according to information about a historical interference light spot, and removing the interference light spot in the multiple light spots, recognizing whether there is a light spot of a luminous light source in remaining light spots after removing the interference light spot, wherein the luminous light source is a light source set on a human-computer interaction apparatus, and the human-computer interaction apparatus is used for a user to interact with the extended reality device; determining a current pose of the human-computer interaction apparatus according to the light spot of the luminous light source recognized in the remaining light spots.

Abstract: Disclosed are a backlight module, an assembly method of a backlight module and a display. The backlight module includes a backplane, a lamp plate and an optical diaphragm, the backplane includes a bottom cover and an upper frame, the lamp plate is mounted on the bottom cover, the upper frame is detachably connected above the bottom cover, the optical diaphragm is mounted on the upper frame and provided opposite to the lamp plate.

Abstract: A display device and an electronic device are provided. The display device includes a back plate, a display panel, an optical film, a light guide strip, and an infrared light bead. The display panel is carried on the back plate and includes a liquid crystal layer. The optical film is disposed at one side of the display panel adjacent to the back plate. The light guide strip has a first light-incident surface and a light-exiting surface. The first light-incident surface is connected to the light-exiting surface in a bent manner. The infrared light bead is accommodated in the back plate. The infrared light bead is configured to emit infrared light. The infrared light bead is disposed close to the first light-incident surface of the light guide strip.

Abstract: A positioning method and device, the method including: extracting multiple light spots from a current image frame, wherein the current image frame is an image currently collected by an extended reality device; determining an interference light spot in the multiple light spots according to information about a historical interference light spot, and removing the interference light spot in the multiple light spots, recognizing whether there is a light spot of a luminous light source in remaining light spots after removing the interference light spot, wherein the luminous light source is a light source set on a human-computer interaction apparatus, and the human-computer interaction apparatus is used for a user to interact with the extended reality device; determining a current pose of the human-computer interaction apparatus according to the light spot of the luminous light source recognized in the remaining light spots.

Abstract: A positioning method and device, the method including: extracting multiple light spots from a current image frame, wherein the current image frame is an image currently collected by an extended reality device; determining an interference light spot in the multiple light spots according to information about a historical interference light spot, and removing the interference light spot in the multiple light spots, recognizing whether there is a light spot of a luminous light source in remaining light spots after removing the interference light spot, wherein the luminous light source is a light source set on a human-computer interaction apparatus, and the human-computer interaction apparatus is used for a user to interact with the extended reality device; determining a current pose of the human-computer interaction apparatus according to the light spot of the luminous light source recognized in the remaining light spots.

Abstract: Embodiments of the present disclosure provides a positioning method, apparatus, and system of an optical tracker, which can be applied to a VR scene, where the VR scene includes an optical tracker and a headset device, the headset device includes a camera, and the optical tracker includes N LED lights, and the method includes: obtaining an infrared image of the optical tracker, where the infrared image includes respective light spots generated by M LED lights, with N?M>1, reprojecting, for each group of LED lights in multiple groups of LED lights, a group of LED lights onto the infrared image to obtain corresponding reprojection coordinates of the group of LED lights, where each group of LED lights includes M LED lights, and determining a positioning distance between the optical tracker and the camera according to respective corresponding reprojection coordinates of each group of LED lights and the infrared images.

Abstract: Disclosed are a backplane assembly, a backlight module and a display. The backplane assembly includes a bottom backplane, an upper frame, a locking assembly, a bearing body and a first elastic member; the bottom backplane has a bottom wall, and the upper frame is arranged above the bottom backplane; the upper frame has opposite first and second sides; a connecting line from the first side to the second side is parallel to the bottom wall of the bottom backplane, and the first side is provided with a rotating shaft extending toward the bottom backplane.

Abstract: The disclosure relates to a positioning method, apparatus, electronic device, head-mounted display device, and storage medium. The method is suitable for a head-mounted display device. The method determines a target joint point when a tracking target enters a tracking blind zone; the target joint point referring to a joint point in a wearer's body that supports the tracking target to move within the tracking blind zone; determining position information of the target joint point at current moment; determines relative positional relationship information between the target joint point and the tracking target at the current moment; and determines the position information of the tracking target at the current moment, based on the position information of the target joint point at the current moment and the relative positional relationship information at the current moment.

Abstract: A backlight module, a method of assembling a backlight module, and a display device are disclosed. The backlight module includes a backboard, a fixing seat, a movable piece, a securing bracket, and an optical film. The fixing seat is fixed to a bottom of the backboard. The movable piece is made of a metal material and is correspondingly arranged on the fixing seat. The securing bracket includes an insert piece and an attraction piece that are connected together. The insert piece is fixed to a side of the backboard. The attraction piece is arranged opposite to the movable piece and is made of a magnetic material. The optical film is disposed between the movable piece and the attraction piece.

Abstract: The anti-dive control method for the automobile comprises: obtaining preset automobile operating condition parameters, and obtaining parameter values of the automobile operating condition parameters in real time; determining in real time whether the parameter values of the automobile operating condition parameters satisfy a preset first trigger condition or a preset second trigger condition; if the parameter values of the automobile operating condition parameters satisfy the preset first trigger condition, obtaining a preset first control strategy corresponding to the first trigger condition; implementing real-time control of the suspension damping force of the automobile according to the first control strategy; if the parameter values of the automobile operating condition parameters satisfy the preset second trigger condition, obtaining a preset second control strategy corresponding to the second trigger condition; and implementing real-time control of the suspension damping force of the automobile according

Abstract: Disclosed are an EPB compatible with an autohold function, a starting method and a vehicle. According to the EPB, during starting, by converting the vehicle from a brake state where the EPB acts into a brake state where an autohold function acts and enabling the vehicle to start from the brake state where the autohold function acts, the vehicle is started stably, the starting noise of the vehicle is reduced and the driving experience is improved.

Abstract: The invention discloses a retrievable sand consolidation anchor head prestressed anchor rod, an anchoring jack and an application method thereof, and belongs to the technical field of geotechnical engineering. The retrievable sand-consolidated anchor head pre-stressed anchor includes a bolt body 6, a rigid frame 5, a load member 1, a sand column 2, a pressure receiving member 4, a cut-off member 3, and an anchor pier 8. The anchoring jack includes a force transmitting frame 12, a first guiding plate 25, a second guiding plate 28, and a housing 13. The application method includes an anchoring method using the retrievable sand-consolidated anchor head prestressed anchor rod and a method of recovering the retrievable sand-consolidated anchor head pre-stressed anchor rod. After the anchoring of the reclaimed sand-consolidated anchor head pre-stressed anchor rod, the bolt body can be recovered and reused, and the operation is simpler and more environmentally friendly.

Abstract: Disclosed are an EPB compatible with an autohold function, a starting method and a vehicle. According to the EPB, during starting, by converting the vehicle from a brake state where the EPB acts into a brake state where an autohold function acts and enabling the vehicle to start from the brake state where the autohold function acts, the vehicle is started stably, the starting noise of the vehicle is reduced and the driving experience is improved.