Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to obtain a coded bitstream comprising a mesh sequence of a plurality of meshes of the 3D visual content and a displacement of a local coordinate system (LCS) or a global coordinate system (GCS) of at least one mesh of the plurality of meshes, the LCS or GCS being at a vertex of the at least one mesh, determine a projection coefficient of the displacement of the LCS or GCS, the projection coefficient indicating a unit tangent vector of the LCS or GCS in a normal direction to the vertex and is based on normalizing a tangent basis vector of the LCS or GCS, and decode the mesh sequence based on the projection coefficient of the displacement.

Abstract: The present disclosure provides a display substrate and a display apparatus, belongs to the field of display technology, and at least partially solves one existing technical problem. The display substrate includes a base substrate, and sub-pixels in an array at intervals on the base substrate; wherein the adjacent sub-pixels are provided with a spacer region therebetween; the spacer region includes a first spacer region having a functional position, and a second spacer region having no functional position; at least some functional positions are provided with functional parts; and a width of the first spacer region between two adjacent sub-pixels arranged along the first direction or the second direction is greater than that of the second spacer region between two adjacent sub-pixels arranged along the same direction; wherein a width of the spacer region is equal to a shortest distance between boundaries of the two sub-pixels corresponding to the spacer region.

Abstract: A rapid shutdown system and a method for controlling the rapid shutdown system are provided. For each of shutdown devices in the rapid shutdown system, an electrical signal disturbance is applied to a direct current bus connected to the shutdown device at least once within each pre-shutdown period of the shutdown device, by an inverter in the rapid shutdown system operating in a mode of limited power output. Then, the shutdown device samples its input parameter and/or output parameter and determines, based on the sampled input parameter and/or the sampled output parameter, whether the electrical signal disturbance applied to the direct current bus meets a preset condition. The shutdown device switches itself on or remains in an ON state in response to a determination result that the electrical-signal disturbance already meets the preset condition.

Abstract: A fuel cell includes a plurality of unit cells disposed in a stack. Each unit cell includes a membrane electrode assembly (MEA) having an anode and a cathode and a bipolar plate having a cathode side defining a recessed pocket in fluid communication with an air port, an anode side, and coolant channels between the cathode and anode sides. The bipolar plate is disposed against the MEA such that the cathode is disposed over the pocket. A flow guide is disposed in the pocket with a front side facing the MEA and a back side facing a bottom of the pocket. The flow guide has a plurality of embossments.

Abstract: A method and apparatus comprising computer code configured to cause a processor or processors to determine more than one vertices in an input mesh, and group the more than one vertices in more than one group of vertices. The grouping of a respective vertex in a respective group may be based on a topological distance of the respective vertex. In embodiments, the processor or processors may also determine a set of filter coefficients for the more than one group of vertices; and signal the more than one group of vertices and the set of filter coefficients.

Abstract: Disclosed in the disclosure are a method and apparatus for calibrating an exposure surface of an optical system, and a computer device and a storage medium. The method includes: performing flat-field correction on a photographing module; acquiring a grayscale distribution image; segmenting the grayscale distribution image into a mesh image including a plurality of segmented regions, and calculating a fitting grayscale value of each segmented region; selecting, as a reference grayscale value, a minimum fitting grayscale value from all the fitting grayscale values obtained through calculation, and calculating grayscale compensation coefficients corresponding to the other segmented regions, so as to generate a digital mask; and performing mask compensation, by using the digital mask, on a light projection image projected by the optical system, so as to obtain a printed image of which the exposure surface has a uniform irradiance value.

Abstract: A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.

Abstract: The present application provides a clamping instrument, mainly including a locking structure being capable of performing switching action between a locking state and a non-locking state, and a plurality of clamping structures which are connected to the locking structure and capable of being linked with the switching action of the locking structure, so as to adjust each of clamping angles formed by each of the clamping structures, wherein each of the clamping angles formed by each of the clamping structures is adjusted to allow each of the clamping structures to clamp or release each of target tissues; and wherein when the locking structure is in the locking state, the locking structure will apply a continuous pushing force to each of the clamping structures, such that each of the clamping angles formed by each of the clamping structures is maintained to be minimum, thereby clamping each of the target tissues.

Abstract: A wrench comprises a handle, a tube, an actuating-part and a scale mark area; the handle comprises a hollow rotation handle, a movable plug, a screw rod drive component and a locking component, an end of the hollow rotation handle engages with a tail end portion of the scale mark area by rotation, the screw rod drive component comprises a rotary portion and a screw rod portion, and an adjusting threaded-sleeve is sleeved over the screw rod portion; a tube positioning piece engaging with the rotary portion by rotation is provided on the rotary portion; the locking component comprises a handle insert and positioning pins, the handle insert is installed on the rotary portion via a key and an outer surface of the handle insert is connected with an inner surface of the hollow rotation handle, and positioning pins are provided at a front end portion of the movable plug.

Abstract: In some examples, an apparatus for mesh processing includes processing circuitry. The processing circuitry receives a first mesh frame with polygons representing a surface of an object, and determining that the first mesh frame is a non manifold type mesh in response to one or more singularity components in the first mesh frame. The processing circuitry converts the first mesh frame to a second mesh frame that is a manifold type mesh. The first mesh frame has first boundary loops that respectively correspond to second boundary loops in the second mesh frame. The processing circuitry detects the second boundary loops in the second mesh frame, and determines the first boundary loops in the first mesh frame according to the second boundary loops in the second mesh frame.

Abstract: The present disclosure is related to systems and methods for indoor positioning. The method includes obtaining a first location of a subject at a first time point. The method also includes determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject. The method further includes determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point. The method still further includes adjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject.

Abstract: A transient electromagnetic device with variable shape and turns includes squares, a transmitting coil carrying frame, a transmitting coil, a turns-variable device, a current generator and a working power supply. The transmitting coil carrying frame is arranged inside the transmitting coil; the transmitting coil carrying frame is configured as a carrier of the transmitting coil, and configured for adjusting a side length of the transmitting coil and a shape of the transmitting coil; the square is configured for clamping and connecting the transmitting coil and the transmitting coil carrying frame to fix the transmitting coil to the transmitting coil carrying frame. The current generator is configured for generating transient current; the turns-variable device is configured for changing the turns of the transmitting coil; and the transmitting coil is configured for transmitting the transient current to a target area to be measured.

Abstract: A vehicle diagnosis method, a server and a diagnosis device are provided. The method includes: acquiring a request for acquiring diagnosis software sent by a diagnosis device, where the request comprises user information and vehicle information of a vehicle to be diagnosed; determining based on the vehicle information and sending to the diagnosis device a diagnosis software function module list, receiving from the diagnosis device information of the target diagnosis function module determined by a user; performing a corresponding operation for acquiring the target diagnosis function module based on a determining result of whether the user has an authorization qualification on the target diagnosis function module determined based on the user information and feeding back the target diagnosis function module to the diagnosis device, so that the diagnosis device to diagnose the vehicle to be diagnosed based on the acquired target diagnosis function module.

Abstract: A spliced screen and a display terminal are disclosed. In the spliced screen, a structural component is disposed on two adjacent display panels and covers a splicing gap between the two adjacent display panels. A lamp plate is disposed on a surface of the structural component. When the spliced screen displays an image, a plurality of luminescent bodies disposed on the lamp plate close to the display panels also emit light, thereby preventing black strips from appearing on the image. In the spliced screen, a viewing angle of the display panels and a viewing angle of the lamp plate are same, so that a brightness of the display panels and a brightness of the lamp plates are same when the spliced screen is viewed from a lateral side. As such, display quality is improved.

Abstract: Systems and methods for customer journey optimization in email marketing are described. The systems and methods may identify a plurality of messages for a first time period, wherein the plurality of messages are categorized according to a plurality of messages types, identify user information for a customer, wherein the user information includes user interaction data, determine a message type from the plurality of message types for the first time period based on the user information, wherein the message type is determined using a decision making model comprising a deep Q-learning neural network, select a message from the plurality of messages based on the determined message type, and transmit the message to the customer during the first time period based on the selection.

Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for communication of slot offset information prior to communicating downlink control information. In one embodiment, a method performed by a communication node includes: determining slot offset indication information that classifies a slot offset information set as either a first kind or a second kind based on at least one of: high-layer configuration signaling and predefined information, and sending the slot offset indication information to a communication device.

Abstract: This disclosure relates generally to transmitting and receiving signaling for transmission control parameter update in wireless communications. Performed by a wireless terminal in a wireless network, the method including transmitting feedback information to a wireless communication node in the wireless network via a first message, the feedback information being used for adjusting a transmission control parameter for a transmission associated with the wireless terminal, and the transmission comprising at least one of a semi persistent scheduling (SPS) transmission or a configured grant (CG) scheduling transmission.

Abstract: This disclosure relates generally to transmission resource or transmission parameters update of various types in wireless communications. Performed by a wireless terminal in a wireless network, the method including receiving a message from a wireless communication node of the wireless network, the message indicating an update to a wireless resource or a transmission parameter associated with the wireless resource, the wireless resource being previously allocated to the wireless terminal for data reception or data transmission; parsing the message based on a type of the update to the wireless resource or the transmission parameter associated with the wireless resource to obtain the update; and transmitting or receiving data, or skipping transmitting or receiving data using the wireless resource based on the update.

Abstract: Systems, methods and devices for control channel monitoring may include a wireless communication device receiving, from a wireless communication node, a plurality of parameters. The wireless communication device may perform, responsive to a trigger event, a PDCCH monitoring behavior comprising at least one of PDCCH monitoring according to a search space set (SSS) group from N SSS groups or skipping of PDCCH monitoring according to a skipping period, based on the plurality of parameters. The parameter N may be an integer greater than or equal to two and less than or equal to ten. The skipping period may be determined from one or more candidate skipping periods.

Abstract: RACH occasion repetition and PRACH format selection in an NTN are disclosed. The base station may determine, based on at least one beam, a first PRACH configuration for at least one first UE and a second PRACH configuration for at least one second UE. The base station may transmit, to at least one of the at least one first UE or the at least one second UE, an indication of the first PRACH configuration and the second PRACH configuration. The UE, based on whether it is a first UE or a second UE, may select, based on the received indication, the first PRACH configuration or the second PRACH configuration for at least one beam. The UE may initiate, via the at least one beam, a RACH procedure for the selected first PRACH configuration or the selected second PRACH configuration.