Abstract: A bit plane decoding method can employ a “prediction plus reconstruction” process in bit plane decoding. By first-stage or multi-stage prediction, the position of at least some unwanted decoding may be omitted in the reconstruction process. The method can include obtaining a code block to be decoded, the code block comprising a plurality of stripes, each said stripe including a plurality of pixel positions to be decoded; performing an L-stage prediction on the plurality of pixel positions included in each said stripe to divide the plurality of pixel positions in each said stripe into a corresponding decoding channel, the decoding channel comprising an s-channel, an m-channel, or a c-channel, wherein L is an integer greater than or equal to 1; and decoding the pixel positions of each decoding channel to obtain wavelet coefficients for each pixel location.

Abstract: The present disclosure provides an optical module, including: an upper shell including an upper optical-port part, where a first fixing groove is disposed on top of the upper optical-port part; a lower shell including a lower optical-port part, where the lower optical-port part fits and is connected to the upper optical-port part, and a second fixing groove is disposed on top of the lower optical-port part; and an optical-fiber connector with one side clamped in the first fixing groove and the other side clamped in the second fixing groove; where a first shielding strip is disposed on a junction of the upper optical-port part and the lower optical-port part, and extends in multiple directions. In the optical module provided in the present disclosure, electromagnetic shielding is implemented at an optical port of the optical module in multiple directions, thereby improving an electromagnetic shielding effect of the optical module.

Abstract: An vehicle light optical element(1) related to the technical field of vehicle lighting. The optical vehicle light element(1) comprises a light incident portion (10), a light transmission portion(11), and a light emitting portion. Two ends on the light transmission portion(11) in a light emitting direction are respectively a light incident end and a light emitting end. The light incident portion (10) comprises at least one light incident structure(13) provided at the light incident end of the light transmission portion(11)and corresponding to a light source (20). The light emitting portion comprises a light emitting surface(12) protruding from the light emitting end of the light transmission portion(11) towards the light emitting direction. A cross-sectional area of the light transmission portion (11) gradually increases from the light incident end to the light emitting end.

Abstract: A detecting machine for detecting a metal foreign object in a to-be-detected object that includes a tag is provided. The detecting machine includes: abase unit that includes an overhead arch; a detecting unit that generates a magnetic signal in response to the to-be-detected object moving past the overhead arch; a tag reader that detects the tag on the to-be-detected object and that generates a tag signal; a display unit that includes a first display and a second display; and a processor that is configured to control the display unit to display information regarding the magnetic signal and the tag signal on the first and second displays.

Abstract: A flexible display panel and a curved display screen are provided. The flexible display panel includes a display region and a border region adjacent to each other and arranged along a first direction, the border region includes a chip region and a bend region, the bend region is located between the display region and the chip region, and the flexible display panel includes: a substrate; a base material reacting layer located on the substrate in the bend region; and a circuit wiring, located in the base material reacting layer, and obtained by at least a predetermined part of the base material reacting layer reacted by an oxidation reduction reaction.

Abstract: The present application provides a display panel. A display area of the display panel includes pixel units, and non-display areas positioned on opposite sides of the display area are provided with a gate driver on array (GOA) bus unit. Two GOA circuit units are arranged side by side between two adjacent rows of the pixel units, and the two GOA circuit units arranged side by side are electrically connected to the pixel units. The GOA circuit units are electrically connected to the GOA bus unit through signal-connecting lines disposed in the display area, and wherein the two GOA circuit units arranged side by side share at least one of the signal-connecting lines. The present application is beneficial for increasing aperture ratio and transmittance of the pixel units.

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: The present disclosure provides a method of optimizing a search system, which relates to a field of data processing, and in particular to a field of data search. The method is implemented to include: determining a first hit rate of a cache unit of the search system for a plurality of user queries; for each element in a first set of elements, determining at least one key element by: generating a plurality of first queries that correspond to the plurality of user queries; determining a second hit rate of the offline cache unit for the plurality of first queries; and determining the element as one of at least one key element in response to determining that a difference between the second hit rate and the first hit rate is less than a difference threshold; and optimizing the search system based on the at least one key element.

Abstract: Methods and devices are provided for reducing the decoding latency introduced by LMCS. In one method, one or more luma prediction sample values are selected from an output of a bilinear filter of Decoder-side Motion Vector Derivation (DMVR), the one or more selected luma prediction sample values are adjusted into luma prediction sample values with the same bit depth as an original coding bit depth of an input video, the luma prediction sample values with the same bit depth as the original coding bit depth of the input video are used to derive a scaling factor for decoding one or more chroma residual samples, the scaling factor is used to scale one or more chroma residual samples, and one or more chroma residual samples are reconstructed by adding the one or more scaled chroma residual samples and their corresponding chroma prediction samples.

Abstract: Some embodiments of the present disclosure provide a transmit point that transmits a downlink chirp sensing waveform (DL CSW) signal. A device receives the DL CSW signal and obtains a cloned chirp sensing waveform. The cloned chirp sensing waveform includes a parameter that can be uniquely associated with the device. The device transmits a UL cloned CSW signal based on the cloned chirp sensing waveform. The transmit point receives the UL cloned CSW signal and processes the UL cloned CSW signal to estimate a pose for the device and associate the estimated pose with the identity of the device.

Abstract: The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device.

Abstract: The present invention comprises a plurality of repair devices (3) that are arranged on a support film (2), each of which has a repair element in an opening (7) that is surrounded by a light shielding wall (6) for repairing a defective pixel (21) on a full-color LED display panel.

Abstract: Embodiments of the present disclosure relate to a method and an apparatus for processing data, and related products. The embodiments of the present disclosure provide a board card including a storage component, an interface device, a control component, and an artificial intelligence chip. The artificial intelligence chip is connected to the storage component, the control component, and the interface device, respectively; the storage component is configured to store data; the interface device is configured to implement data transfer between the artificial intelligence chip and external equipment; and the control component is configured to monitor a state of the artificial intelligence chip. The board card is configured to perform artificial intelligence operations.

Abstract: A reference signaling scheme is provided that is based on the use of a Zadoff Chu sequence with cyclic repetition, optionally code division multiplexing precoding, together with frequency domain spectral shaping (FDSS). A specific pulse shape design for the FDSS part of the reference signal scheme in some embodiments involves the use of a raised cosine pulse raised to the power of ?. The new solution for generating reference signals has a Low peak average power ratio that matches the PAPR of SC-OQAM, good channel estimation performance, and the ability to implement CDM in the frequency domain to increase multiplexing gain.

Abstract: An embedded subscriber identification module (eSIM) card change method and a related device are disclosed. The method includes: receiving, by an entitlement server, a first card change request sent by a terminal device, where the first card change request includes a user account, a password, a user number, and eUICC identification; verifying a user identity of the terminal device based on the user account and the password; and if the verification succeeds, sending a second card change request to an operator business support system BSS, where the second card change request includes the user number and the eUICC identification, and the second card change request is used to indicate the BSS to complete eSIM card change and to indicate an eSIM server to generate an eSIM profile and associate the eSIM profile with the eUICC identification.

Abstract: Methods and system for supporting traffic steering through a service function chain, the service function chain comprising at least one data processing function. An aspect of the disclosure provides for a method for steering traffic of a packet data unit (PDU) performed by a session management function. The method includes receiving PCC rules from a policy control function, the PCC rules including information comprising at least one of service function chain information; final delivery indication; and selective traffic steering information and associated parameters. The method further includes configuring at least one user plane function (UPF) according to the information. In some embodiments the configuring the at least one UPF includes instructing a first UPF to detect traffic according to the packet detection rules and route the received packet according to the forwarding action rules.

Abstract: Systems and methods are provided for providing an audio-guided in-door virtual reality (VR) tour. An exemplary system may include a communication interface configured to receive input from a user and to output media contents, a memory storing computer-readable instructions, and at least one processor coupled to the communication interface and the memory. The computer-readable instructions, when executed by the processor, may cause the at least one processor to perform operations. The operations may include displaying a view of a 3D VR environment and playing an audio guide associated with the view. The operations may also include detecting, during the playing of the audio guide, a target operation input by the user to alter the view. In response to the detection of the target operation, the operations may include adjusting, based on the detected target operation, the view with respect to a fixed point position within the 3D VR environment.

Abstract: Provided are a silicon composite negative electrode material and a preparation method therefor, and a lithium ion battery. The silicon composite negative electrode material comprises silicon composite particles and a carbon coating layer, wherein the carbon coating layer is coated on at least part of the surface of the silicon composite particle; and the silicon composite particle comprises silicon, a silicon oxide SiOx and a silicate containing the metal element M, wherein 0<x<2. The method comprises: condensing a silicon source vapor and a vapor containing the metal element M at 700-900° C. under a vacuum to obtain a silicon composite, the silicon composite comprising a silicon oxide SiOx and a silicate, wherein 0<x<2; and post-processing the silicon composite to obtain a silicon composite negative electrode material.

Abstract: Embodiments of this application disclose a communication method and a communications apparatus, and are used in the field of communications technologies, to resolve a problem of how to notify an access network device of an NR PC5 QoS parameter of a terminal. The method in one embodiment includes a home V2XCF that obtains an NR PC5 QoS parameter of a terminal, and the home V2XCF sends the NR PC5 QoS parameter to an access network device, such as a first network element that is in an EPS. The first network element receives the NR PC5 QoS parameter and sends the NR PC5 QoS parameter to an MME. After receiving the NR PC5 QoS parameter, the MME sends the NR PC5 QoS parameter to an access network device. The first network element may be an HSS or a PCRF.

Abstract: A network resource pushing method, a device, and a storage medium. The method comprises: a server receiving information of a network resource accessed by a user, and information of the environment of the user when the user accessed the network resource (101); the server applying, according to the information of the environment of the user, a pre-established scenario determination model to determine a user scenario (102); the server establishing an association model between the user scenario and the type of network resource accessed by the user (103); and the server receiving information of a current environment of the user, applying the scenario determination model to determine a current scenario corresponding to the information of the current environment of the user, and pushing to the user, according to the association model, a network resource having a type corresponding to the determined current scenario (104).