Abstract: Systems, methods, and computer media of processing a video are disclosed. An example method may include: receiving a plurality of video frames of a video; generating a plurality of first input features based on the plurality of video frames; generating a plurality of second input features based on reversing a temporal order of the plurality of first input features; generating a first set of joint attention features based on the plurality of first input features; generating a second set of joint attention features based on the plurality of second input features; and concatenating the first set of joint attention features and the second set of joint attention features to generate a final set of joint attention features.

Abstract: A stylus detection method includes detecting, by a terminal, an input signal of a stylus at a first frequency, receiving a first input of the stylus through a touchscreen, detecting, in response to the first input, the input signal of the stylus at a second frequency, detecting the input signal of the stylus at a third frequency when detecting the input signal of the stylus at the second frequency and when a duration in which the terminal does not detect the input signal of the stylus is greater than a first time period. The second frequency is greater than the third frequency and the third frequency is greater than the first frequency.

Abstract: The application provides a short training sequence design method and apparatus. The method includes: determining a short training sequence, where the short training sequence may be obtained based on an existing sequence, and the short training sequence with comparatively good performance may be obtained through simulation calculation, for example, by adjusting a parameter; and sending a short training field on a target channel, where the short training field is obtained by performing inverse fast Fourier transformation IFFT on the short training sequence, and a bandwidth of the target channel is greater than 160 MHz.

Abstract: Example wireless charging systems and methods are disclosed. One example system includes a receive end and a transmit end. The receive end includes a receive coil, a receive end compensation circuit, a rectifier, and a controller. The controller adjusts a phase difference between a first bridge arm and a second bridge arm of the rectifier, and adjusts a phase-shift angle between a bridge arm voltage of the rectifier and a fundamental component of an input current of the rectifier, so that zero-voltage switching is implemented for controllable switching transistors of the rectifier. An inductance compensation module may weaken a capacitive part of the equivalent impedance, and reduce reactive power of the wireless charging system.

Abstract: In a message transmission method, an access controller receives a first message from an access node, and the first message includes a first identifier. The access controller obtains a line identifier according to the first identifier. The access controller obtains a second message according to the line identifier, and the second message includes the line identifier. The access controller sends the second message to a relay server.

Abstract: A signal transmitter is provided. The signal transmitter includes a signal splitting module, including M output interfaces, where the signal splitting module is configured to split a signal into N sub-signals, and output the N sub-signals through N of the M output interfaces, where M and N are integers, M?2, N?1, and M?N, an integrated array traveling-wave tube amplifier, including M radio frequency channels, where the M channels one-to-one correspond to the M output interfaces, each channel is configured to perform power amplification on a sub-signal that is output from a corresponding output interface, and each channel is openable and closeable, a power supply module, configured to supply power to the integrated array traveling-wave tube amplifier, and at least one transmit antenna, configured to send a signal obtained through power amplification.

Abstract: System and method for generating a resource assignment recommendation for a data center network, including receiving a resource request for a requesting application that indicates a requested resource rate and a requested resource time for one or more network links; computing, based on historic resource utilization data for the requesting application, a predicted resource utilization for the requesting application; computing a recommendation for the resource request based on the requested resource rate, requested resource time, and the predicted resource utilization; and providing the recommendation to a resource assignment controller.

Abstract: Embodiments of this application provide a synchronization signal transmission method, a network device, and a terminal device. The method includes: determining, by a network device, time domain positions for sending m synchronization signal blocks, where the time domain positions are {s1, s2, . . . , sm}+n×T, s1 represents a start symbol index of the first synchronization signal block in a time unit, s2 represents a start symbol index of the second synchronization signal block in the time unit, sm represents a start symbol index of an mth synchronization signal block in the time unit, the time unit includes T symbols; and sending, by the network device, the synchronization signal blocks to a terminal device in the time domain positions of the synchronization signal blocks. The technical solutions provided in this application have relatively high flexibility, and can meet, to some extent, a synchronization signal block sending requirement for a high-frequency technology.

Abstract: Embodiments of this application disclose example data compression methods and example base stations. One example method includes obtaining, by a base station, identification information of at least one of a data compression device or a data decompression device. A dictionary can then be generated based on the identification information. The dictionary can then be sent to the data compression device and the data decompression device to enable the data compression device and the data decompression device to perform data compression and data transmission based on the dictionary.

Abstract: The disclosure relates to technology for detecting and tracking eye gaze. An apparatus comprises a visible wavelength camera, an infrared (IR) camera, and one or more processors. The one or more processors are configured to generate a three-dimensional (3D) point cloud of a person's face from IR data captured from the IR camera, generate a two-dimensional image of the person's face from visible wavelength data captured from the visible wavelength camera, and detect a symmetry plane of the person's face based on the 3D point cloud and the two-dimensional image. The symmetry plane divides the 3D point cloud into two portions. The one or more processors are further configured to reconstruct the 3D point cloud based on the symmetry plane, and track eye gaze of the person's face based on the reconstructed 3D point cloud.

Abstract: A heat dissipation apparatus includes a heat-conducting plate, where a liquid channel is disposed on a first surface of the heat-conducting plate; a mounting base, where an accommodation cavity configured to accommodate a partial area that is in the heat-conducting plate and that includes a second surface is disposed on the mounting base. The first surface and the second surface are disposed opposite to each other. A pressing plate is configured to fasten the heat-conducting plate in the accommodation cavity. The pressing plate is detachably and firmly connected to the mounting base, a sealing cavity is formed between the pressing plate and the first surface of the heat-conducting plate, and the sealing cavity is configured to accommodate the liquid channel A liquid inlet connector and a liquid outlet connector that are connected to the liquid channel are disposed on the pressing plate.

Abstract: This application provides a touch sensor, a touch display, and an electronic device. The touch sensor includes a substrate, a bridge electrode line, and an electrode layer. The electrode layer includes at least a first electrode pattern, the first electrode pattern includes a plurality of first conductive units spaced from each other, a boundary line of the first conductive unit includes a curved connecting segment, the connecting segment includes at least one first concave and convex portion, and first concave and convex portions are sequentially connected to form a smooth curve. The bridge electrode line extends in a curve, and two ends respectively cross connecting segments of two adjacent first conductive units, and electrically connect the two first conductive units. The touch sensor provided in the embodiments of this application improves bending resistance performance of a touch electrode.

Abstract: A video coding device, comprising a sequence of filters that are configurable by one or more primary parameters and one or more secondary parameters, and a filter controller configured to adjust the one or more secondary parameters based on the one or more primary parameters and based on a strength criterion of the sequence of filters.

Abstract: A method includes determining a network connection path that passes through m reference network devices, where m?1, and the m reference network devices are located in a network domain and are coupled to a device outside the network domain, determining a device configuration requirement of a first network connection service for each of n reference network devices that the network connection path passes through, where m?n?1, and determining that the network connection path is one of paths of the first network connection service when the device configuration meets the device configuration requirement.

Abstract: This application provides a signal transmission method and apparatus. The method includes: obtaining, by a transmitter side, a first signal with N points; performing signal separation on the first signal with N points, to obtain two groups of signals (for example, a second signal with N points and a third signal with N points); combining the two groups of signals obtained through separation, to obtain a to-be-sent signal with 3N/2 points; and sending the signal with 3N/2 points to a receiver side, to enable the receiver to restore the first signal with N points from the received signal with 3N/2 points.

Abstract: An in-device coexistence (IDC) indication message sending method includes a network device determining, when configuration information sent by the network device indicates that the terminal device can send an IDC indication message, a most proper IDC interference cancellation manner based on SUL frequency information, a type of an interfering frequency, a transmit power of the terminal device, a transmit power of the network device, a priority of a frequency band in which the interfering frequency is located, or an IDC interference cancellation manner expected by the terminal device that are indicated by the IDC indication message sent by the terminal device.

Abstract: Embodiments of this application provide a control information transmission method. The method includes: User equipment UE sends report information to a base station, where the report information includes a detection result of one or more downlink reference signals of the UE or a status of a timer/counter corresponding to the one or more downlink reference signals; the UE receives feedback information from the base station, where the feedback information includes sending status information of the one or more downlink reference signals.

Abstract: There is provided a system, a method and an apparatus for managing network resources. The system includes a plurality of wireless entities including a mobile wireless entity and a fixed location wireless entity. The system further includes a plurality of computing devices, each of the plurality of computing devices including a processor and a memory storing instructions, the instructions when executed by the processor cause the plurality of computing devices to provide a location based media access (LOMA) map manager and a LOMA path manager, the LOMA map manager configured to generate and maintain a plurality of LOMA map, each of the plurality of LOMA maps including a plurality of LOMA zones, wherein a plurality of wireless communications resources used for communication between the plurality of wireless entities are associated with each of the plurality of LOMA zones, the LOMA path manager configured to manage communications using the wireless communications resources between the wireless entities.

Abstract: Embodiments of this application disclose a routing management method, used to advertise an address segment routing policy. The method in the embodiments of this application includes: A control plane function assigns an internet protocol IP address to user equipment. The control plane function determines an IP address segment, where the IP address belongs to the IP address segment. The control plane function sends information used to identify the IP address segment to a user plane function, where the IP address segment is used to advertise a routing policy.

Abstract: A method for inter prediction of a block of a picture and corresponding apparatus are provided. The method comprises: determining a first prediction block based on an initial first motion vector of a current block in a first reference picture, so as to obtain a first extension block; obtaining from the first reference picture, one or more first reference blocks each of which is associated with a combination of the initial first motion vector and one of motion vector offsets; obtaining a target motion vector offset with a smallest cost among the motion vector offsets; determining for the current block, a refined first motion vector which is a combination of the initial first motion vector and the target motion vector offset; and obtaining a refined prediction block of the current block based on the refined first motion vector, thereby improving coherence of refined motion vectors to achieve higher coding efficiencies.