Abstract: This application provides a media data processing method and apparatus. A media processing device receives a media stream. The media stream includes media data recorded at a plurality of viewpoints. The device obtains metadata information of the media stream. The metadata information includes viewpoint identification information of the viewpoints. The device displays media data of a first viewpoint based on the viewpoint identification information. The device also displays indications of other viewpoints when displaying the media data of the first viewpoint, so that a user of the device can switch to display media data of other viewpoints.

Abstract: A device for processing digital signals is provided. The device comprises a digital signal source and a converter circuit having a current supply. The digital signal source outputs a codeword. The converter circuit receives the codeword from the digital signal source, receives a current at the current supply, and generates an output signal based on the codeword. The current is generated in accordance with the codeword.

Abstract: Different filtered-orthogonal frequency division multiplexing (f-OFDM) frame formats may be used to achieve the spectrum flexibility. F-OFDM waveforms are generated by applying a pulse shaping digital filter to an orthogonal frequency division multiplexed (OFDM) signal. Different frame formats may be used to carry different traffic types as well as to adapt to characteristics of the channel, transmitter, receiver, or serving cell. The different frame formats may utilize different sub-carrier (SC) spacings and/or cyclic prefix (CP) lengths. In some embodiments, the different frame formats also utilize different symbol durations and/or transmission time interval (TTI) lengths.

Abstract: A system and a method for performing 2D on-screen user gaze estimation using an input facial image of a user captured using a camera associated to a processing device having a display. The method and system allow automated user calibration through automatic recording of calibration samples each including a calibration facial image of the user and an interaction point corresponding to a point on the display where an occurrence of a user interaction was detected when the corresponding calibration image was captured. The system and method also optimize user-specific parameters using the calibration samples by iteratively minimizing a total difference between the interaction points of a plurality of the calibration samples and corresponding 2D gaze estimation results and convert an estimated 3D gaze direction into a 2D gaze estimation result corresponding to a point on the display, by applying the users-specific parameters.

Abstract: A rotating shaft connection mechanism includes two rotating shafts, two connection assemblies corresponding to the two rotating shafts, and one synchronous driving block, where each connection assembly includes a slide rail block and a drive sheet, a boss of the slide rail block is inserted into a slanting groove on the drive sheet, the synchronous driving block is connected to the two rotating shafts, and the synchronous driving block is disposed on two sides of a connecting piece on the drive sheet by using provided connecting pieces, and is inserted into a spiral groove by using a provided positioning protrusion part. In this way, through fitting connection between the two rotating shafts, the one synchronous driving block and the slide rail blocks and drive sheets of the two connection assemblies corresponding to the two rotating shafts, rotation of the rotating shaft is converted into sliding of the slide rail block.

Abstract: A method and a device encode N audio signals, from N microphones where N?3. For each pair of the N audio signals an angle of incidence of direct sound is estimated. A-format direct sound signals are derived from the estimated angles of incidence by deriving from each estimated angle an A-format direct sound signal. Each A-format direct sound signal is a first-order virtual microphone signal, for example, a cardioids signal.

Abstract: A fingerprint unlocking method and a terminal are provided. The method may be applied to a terminal having an in-screen fingerprint detection function. When the terminal is in a screen-locked state, the terminal determines whether an operation of a user meets a preset condition. If the operation of the user meets the preset condition, a fingerprint recognition identifier is displayed on a touch display screen of the terminal. A display area of the fingerprint recognition identifier is an area in which fingerprint recognition can be performed. The method resolves a problem that the user cannot perform fingerprint unlocking because the user cannot see a position of a fingerprint detector.

Abstract: A focus tunable optical system includes a lens assembly. The lens assembly includes: focus tunable lenses (FTLs) coaxially disposed along an optical axis, each FTL contributing to an optical power of the lens assembly; and a controller configured to control the optical power of the lens assembly by applying to each FTL a respective control signal, thereby generating a periodic optical response of the respective FTL. The optical response of each FTL is substantially different from the optical response of any other FTL of the plurality of FTLs.

Abstract: A method for encoding an input signal comprising signal frames into quantized bits is disclosed, the method comprises generating, for each frame of the input signal, a signal matrix comprising matrix coefficients obtained from that frame, grouping the matrix coefficients of each signal matrix into a plurality of partition vectors, and for each partition vector, selecting one vector quantization scheme from among a plurality of vector quantization schemes and quantizing that partition vector according to the selected vector quantization scheme to obtain the quantized bits. In an adaptive mode, the method comprises grouping differently the matrix coefficients obtained from different frames, and/or selecting different vector quantization schemes for partition vectors obtained from different frames.

Abstract: A method implemented by a network element (NE) in a network, comprising receiving, by the NE, preferred path route (PPR) information describing a PPR graph, the PPR graph representing a plurality of PPRs between an ingress NE and an egress NE in the network, and updating, by the NE, a forwarding database to include a forwarding entry for the egress NE in response to identifying the NE in the plurality of PPR-PDEs, the forwarding entry indicating a next hop by which to forward a data packet comprising the PPR-ID.

Abstract: A graphic display method and apparatus are provided. In the graphic display method, a terminal may detect a touch operation on a screen when there is a to-be-processed event; obtain touch point coordinates of the touch operation; display, in a position indicated by the touch point coordinates, a touch graphic used to indicate the touch operation, and display, on the screen based on the touch point coordinates, an operation indication graphic corresponding to the to-be-processed event. The touch graphic and the operation indication graphic are displayed on the screen to enable a user to see a current to-be-processed event in a more intuitive and vivid manner, thereby reducing a misoperation rate of a touch operation and improving operation experience of the user.

Abstract: The present disclosure discloses a data scheduling method, including: obtaining, by a base station, capability information of user equipment (UE), where a moment of obtaining the capability information of the UE is prior to that of receiving, by the base station, radio resource control (RRC) connection setup complete signaling that is sent by the UE to the base station; and allocating, by the base station, a data scheduling resource to the UE according to the capability information of the UE. By using embodiments of the present disclosure, resource utilization can be increased.

Abstract: Embodiments of this application provide a method and an apparatus for determining drivable region information. The method includes obtaining first information, where the first information includes information about an initial drivable region determined based on at least one image, and the at least one image is from at least one camera module. The method also includes obtaining second information, where the second information includes radar detection information. The method further includes determining first drivable region information based on the first information and the second information.

Abstract: A natural language processing method includes obtaining a to-be-processed phrase, where the to-be-processed phrase includes M words, determining polarity characteristic information of m to-be-processed words in the M words, where polarity characteristic information of an ith word in the m to-be-processed words includes n polarity characteristic values, and each polarity characteristic value corresponds to one sentiment polarity, determining a polarity characteristic vector of the to-be-processed phrase based on the polarity characteristic information of the m to-be-processed words, where the polarity characteristic vector includes n groups of components in a one-to-one correspondence with n sentiment polarities, and determining a sentiment polarity of the to-be-processed phrase based on the polarity characteristic vector of the to-be-processed phrase using a preset classifier, and outputting the sentiment polarity.

Abstract: The present disclosure relates to retuning methods and apparatus. One example method includes determining a first resource and a second resource, where the first resource is used to receive a physical downlink control channel (PDCCH) or physical downlink shared channel (PDSCH), the first resource is determined based on a first frequency domain resource and M consecutive symbols of a downlink pilot timeslot in a special subframe, the second resource is used to send a sounding reference signal (SRS), the second resource is determined based on a second frequency domain resource and an uplink pilot timeslot in the special subframe, all or a part of the second frequency domain resource is not in the first frequency domain resource, and determining, in the last N consecutive symbols of the downlink pilot timeslot, a guard period for retuning.

Abstract: Embodiments of the present disclosure disclose a camera module and a terminal device, and belongs to the field of optical image stabilization technologies. The camera module includes a lens optical device and an actuating part. The actuating part includes two movable blocks, fastening brackets located on two sides of each movable block, and a plurality of electrically controlled flexible members. The lens optical device is located between the two movable blocks, and is fastened on the two movable blocks. Each movable block is suspended on the fastening brackets by using elastic members. Each movable block and the fastening brackets on the two sides are connected by the electrically controlled flexible members. The present disclosure can improve an image stabilization effect of a terminal device in a photographing process.

Abstract: Aspects of the present disclosure may involve introducing a new downlink feedback information codebook design, a new downlink control information (DCI) format, associated radio resource control (RRC) configuration parameters and UE procedures that can be used in New Radio Unlicensed (NR-U). In some embodiments, the DFI codebook may be of use for providing HARQ feedback with configured grant transmissions. Some embodiments of the disclosure may aid in reducing signaling overhead by grouping HARQ-ACK feedback from a dynamically selected number of UEs.

Abstract: A screen display control method may be implemented by an electronic device configured with a foldable touchscreen. The touchscreen includes a first area and a second area. A first interface is displayed in a first area and a first operation is detected in a first interface. A second interface is displayed in a second area in response to the first operation and the second interface is associated with content displayed in the first interface.

Abstract: Example methods and apparatus for providing voice alignment are described. One example method including: obtaining an original voice and a test voice, the test voice is a voice generated after the original voice is transmitted over a communications network; performing loss detection and/or discontinuity detection on the test voice, the loss detection is used to determine whether the test voice has a voice loss compared with the original voice, and the discontinuity detection is used to determine whether the test voice has voice discontinuity compared with the original voice; and aligning the test voice with the original voice based on a result of the loss detection and/or the discontinuity detection, to obtain an aligned original voice and an aligned test voice, the result of the loss detection and/or the discontinuity detection is used to indicate a manner of aligning the test voice with the original voice.

Abstract: Example resource determining methods, indication methods, and apparatus are described. On example method includes receiving a downlink data channel by a terminal from a network device. The terminal determines a first uplink control channel resource from a plurality of uplink control channel resources based on an index of the last symbol for the downlink data channel and a time for processing the downlink data channel by the terminal. The terminal sends acknowledgment information to the network device on the first uplink control channel resource, where the acknowledgment information is used to determine a reception status of the downlink data channel.