Abstract: A display device, a gamma voltage data group switching method and module. The display device includes a display-driver integrated circuit and a first storage unit. The display-driver integrated circuit includes a second storage unit, and the display device includes a gamma voltage data group switching module. The gamma voltage data group switching module is configured to pre-store, in the first storage unit, multiple groups of gamma voltage data groups respectively applied to various application scenarios; when switching of an application scenario of the display device, load a gamma voltage data group corresponding to the current application scenario and stored in the first storage unit into the second storage unit.

Abstract: The present disclosure provides an underwater detection method for contact leakage of a tunnel joint of a dam culvert, including: obtaining an underwater image sequence of the culvert by an underwater robot; preprocessing and registering the underwater image sequence; extracting particle information appearing in the underwater image sequence based on the registered underwater image sequence; constructing a three-dimensional fluid velocity distribution map based on the particle information, and determining leakage situation according to the three-dimensional fluid velocity distribution map; and superimposing the three-dimensional fluid velocity distribution map on a preconfigured three-dimensional culvert model, and rendering and displaying it.

Abstract: Disclosed are a channel access processing method and a channel access processing apparatus applied to sidelink, and a network-side device. The channel access processing method applied to sidelink, which method is applied to a first terminal, includes: a first terminal executing resource selection to determine a first target resource; and executing a Type 1 channel access process on at least some of the first target resource, so as to determine whether a channel is idle and to determine a channel occupancy time (COT).

Abstract: Provided are a floor brush assembly for a vacuum cleaner and the vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. The roller brush component includes a sleeve and a roller brush body rotatably mounted in the sleeve. The roller brush body is provided with bristles. The driving mechanism includes a power source and a transmission component. The transmission component includes a first driving member, a second driving member, and a driving wheel connected to the power source. The driving wheel is connected to the first driving member through a transmission shaft to drive the roller brush body to rotate. The driving wheel is connected to the second driving member through a linkage structure to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristles to be selectively extended out of or retracted into the sleeve.

Abstract: Provided is a floor brush assembly for a vacuum cleaner. The floor brush assembly includes a roller brush component and a driving mechanism. A roller brush body of the roller brush component is rotatably mounted in a sleeve. The roller brush body is provided with bristles arranged in an elongated shape to form a bristle portion. The sleeve of the roller brush component has an avoidance opening of an elongated shape, and the bristle portion and the avoidance opening are arranged to directly face towards each other in a radial direction of the roller brush body. A first driving member of the driving mechanism is configured to drive the roller brush body to rotate, and a second driving member is configured to drive the sleeve to rotate. The first driving member and the second driving member are eccentrically arranged to allow the bristle portion to be selectively extended or retracted through the avoidance opening.

Abstract: Disclosed are a method and an apparatus for resource coordination between vehicle-to-everything devices, and a user equipment. The method includes: receiving SCI sent by at least one second user equipment, where the SCI includes indication information for triggering resource coordination; and sending coordination information to a target second user equipment, where the coordination information is used to instruct the target second user equipment to perform resource reselection, and the target second user equipment is at least one of the second user equipments.

Abstract: Disclosed is a particle algorithm-based method for underwater detection and operation positioning of a reservoir dam system. A water body is stimulated by adopting a smoothed particle hydrodynamics (SPH) method, the ROV is simulated by adopting a discrete element method (DEM) unit formed by a series of particles, an umbilical cable between the ROV and a water surface control unit are simulated by a spring unit, dynamic interaction among the ROV, water flow and the cable are calculated by combining the SPH method and the DEM, and real-time motion positions of the ROV and the cable in complex environments are calculated and obtained; and a relative position between the ROV and the surface control unit can be calculated through the real-time position of the cable, and the real-time underwater positioning of the ROV is realized in combination with an absolute coordinate position of the surface control unit.

Abstract: A resource selection method, a resource selection device and a terminal device are provided, which relate to the field of communication technology. The resource selection method includes: determining content of sidelink resource coordination information; transmitting the sidelink resource coordination information.

Abstract: A method for accurately characterizing a crystal three-dimensional orientation and a crystallographic orientation, including the following steps: acquiring a two-dimensional structure topography and an EBSD pattern in an area to-be-detected of a crystal material; using three-dimensional image analysis software to perform three-dimensional image synthesis through so as to obtain a three-dimensional topography; extracting a three-dimensional orientation of a characteristic topography in a coordinate system where the three-dimensional topography is located; and by converting the three-dimensional orientation into a crystallographic coordinate system obtained by EBSD, obtaining the crystallographic orientation of the characteristic topography.

Abstract: A resource selection method, a resource selection device and a terminal device are provided, related to the field of communications technologies. The method includes: transmitting sidelink resource coordination request information; receiving sidelink resource coordination information from a coordinating UE; and performing a resource selection for the sidelink, according to the sidelink resource coordination information.

Abstract: A wearable device, an electronic system, an electronic device, a tactile feedback method and a storage medium are provided. The wearable device with tactile feedback includes an electromagnetic coil set, a driving circuit and a control circuit, the driving circuit is coupled with the electromagnetic coil set; the control circuit is configured to control the driving circuit to generate and output a coil current corresponding to the electromagnetic coil set to the electromagnetic coil set according to a control command; and the electromagnetic coil set is configured to receive the coil current and generate the tactile feedback based on the coil current.

Abstract: An interpupillary distance measuring method, a wearable ophthalmic device and a computer readable storage medium are provided. The method includes: capturing at least one eye image; extracting corresponding one or two pupil image positions corresponding to a monocular pupil or pupils to two eyes in the at least one eye image; and determining an actual distance between the pupils of two eyes according to the one or two pupil image positions.

Abstract: A resource selection method and a terminal are provided. The method is applied to a first terminal and includes obtaining basic information transmitted by a second terminal, the basic information including a priority level, in control information, of traffic transmission of the second terminal, and a signal receiving power, in traffic data information, corresponding to the traffic transmission of the second terminal; determining available resources, in candidate resources, available for traffic transmission according to the priority level of the traffic transmission of the second terminal and the signal receiving power; selecting a target resource required by the traffic transmission from the available resources, according to a priority level of traffic transmission of the first terminal.

Abstract: A method for correcting data sensed by a sensor includes: acquiring the data sensed by the sensor; establishing a surface equation based on an acquired data to performing surface fitting; and correcting the data sensed by the sensor with the surface equation. The method further includes: evaluating the acquired data sensed by the sensor to update fitting parameters of the surface equation so as to obtain an updated surface equation; and correcting the data sensed by the sensor with the updated surface equation. Parameter data sensed by the sensor can be corrected in real time, which reduces the influence of environmental factors on the parameter data sensed by the sensor and improves the accuracy of the data sensed by the sensor.

Abstract: The present disclosure provides a device for stereoscopic displaying and a method for controlling the same. The device for stereoscopic displaying comprises: a rotary shaft and at least one display assembly. The display assembly is fixed to the rotary shaft, the display assembly comprises at least three display surfaces, and at least one of the display surfaces is arranged opposite to the rotary shaft in a radial direction of the rotary shaft.

Abstract: The present disclosure provides a method for sending driving data of a backlight source, a control circuit and a display device. The method includes: acquiring driving data of a plurality of rows of light-emitting elements included in the backlight source; and sending the driving data of the plurality of rows of light-emitting elements to a driving circuit of the backlight source at many times, wherein at least one data packet is sent each time, each data packet includes driving data for driving one row of light-emitting elements and a quantity of data packets sent each time is less than a quantity of rows of light-emitting elements included in the backlight source.

Abstract: A display device, a virtual reality display apparatus and a display device control method. The display device includes: a liquid crystal panel, which includes a plurality of sub-pixel groups and a first black matrix, each of the sub-pixel groups including n consecutive rows of sub-pixels, the first black matrix being disposed between two adjacent sub-pixel groups, and n being any positive integer, and a backlight, which includes a plurality of sub-light source groups and a second black matrix, which second black matrix is disposed between two adjacent sub-light source groups, each of the sub-light source groups being disposed in one-to-one correspondence with each of the sub-pixel groups, and the second black matrix having the same light-shielding region as the first black matrix.

Abstract: Disclosed are a display method, a display device, a virtual reality display device, a virtual reality device, and a storage medium. The display method includes: segmenting one frame of image into at least one image region; determining grayscale information of the image region; determining a resolution compression ratio of the image region according to the grayscale information of the image region, wherein a grayscale level of the image region is negatively correlated with the resolution compression ratio; and displaying an image in the image region according to the resolution compression ratio of each image region.

Abstract: A video processing method includes: receiving motion information of a display apparatus; determining, according to the motion information of the display apparatus and a motion threshold of the display apparatus, whether a motion state of the display apparatus affects the effect of the display apparatus using a frame rate up-conversion image processing method based on motion compensation to process a video that is to be displayed by the display apparatus; if yes, stopping using the frame rate up-conversion image processing method based on motion compensation to process the video that is to be displayed by the display apparatus; if no, continuing to use the frame rate up-conversion image processing method based on motion compensation to process the video that is to be displayed by the display apparatus.

Abstract: A compensation method for VR display, a compensation device for VR display, and a display device are provided. The compensation method for VR display includes: calculating a first synchronization signal value to be output by a controller according to a rendering resolution, a rendering frame rate and bandwidth data of a display panel; comparing the first synchronization signal value with a pre-stored second synchronization signal value of the display panel; generating compensation image data between two adjacent frames of original image data in a case where a comparison result shows that the first synchronization signal value is greater than the second synchronization signal value; and compensating an image to be displayed according to generated compensation image data.