Abstract: Some aspects of the disclosure provide a method of multimedia interaction. The method includes displaying, by a first terminal device that is an invitation terminal device for a multimedia acquisition, a condition configuration interface of an application that is logged in into a first account, the condition configuration interface includes condition configuration options. The method further includes determining an acquisition condition for acquiring a multimedia content in response to a configuration operation performed on the condition configuration options in the condition configuration interface, displaying at least one candidate account that matches the acquisition condition and transmitting an interaction message to a second account in response to a selection operation performed on the second account in the at least one candidate account. The interaction message indicates an invitation from the first account to the second account to acquire the multimedia content.

Abstract: The present disclosure relates to a method for generating a quantum state preparation circuit, a quantum state preparation method, and a quantum device. The method includes: configuring, based on parameters of the quantum state preparation circuit, an input register for the quantum state preparation circuit and determining a number of auxiliary quantum bits; configuring a copy register and a target register according to the number of the auxiliary quantum bits; obtaining a diagonal unitary matrix quantum circuit by performing circuit construction through the input register, the copy register and the target register according to a quantum bit copy mode obtained based on a grid restriction condition; combining the diagonal unitary matrix quantum circuit and a single bit quantum gate to obtain at least one uniformly controlled gate circuit; and generating the quantum state preparation circuit based on the at least one uniformly controlled gate circuit.

Abstract: A communication method and apparatus applied to automatic driving of an intelligent connected vehicle, and relates to the technical field of automatic driving of intelligent connected vehicles. The communication method, performed by a computer device, includes: acquiring driving information of a vehicle, determining a network cell of a path which the vehicle needs to pass according to the driving information, determining a prediction mechanism adopted for predicting quality of service (QoS) of the network cell, and acquiring a QoS prediction result of the network cell according to the prediction mechanism.

Abstract: A method and apparatus for controlling a wheel-legged robot are provided. The method includes: controlling a first wheel leg to move from a first step onto a second step, controlling a second wheel leg and an auxiliary wheel leg to be stabilized on the first step; controlling the second wheel leg to move from the first step onto the second step, controlling the first wheel leg to be stabilized on the second step, and controlling the auxiliary wheel leg to be stabilized on the first step; and controlling the auxiliary wheel leg to move from the first step onto the second step, and controlling the first wheel leg and the second wheel leg to be stabilized on the second step.

Abstract: An image processing method and apparatus, a computer device, a storage medium and a program product, which can be applied to scenes such as image processing, game, and game basic skill. The method includes: encoding a current frame image to obtain an initial encoded image, and obtaining an encoding parameter, the encoding parameter comprising: a parameter indicating whether a scene switch exists in the current frame image; and recoding the current frame image based on a determination, according to the encoding parameter, that the current frame image needs to be recoded to obtain a target encoded image, wherein a data volume of the target encoded image is less than the data volume of the initial encoded image.

Abstract: A network handover processing system and method including: receiving service real-time requirement information provided by an application side, the service real-time requirement information being used for indicating a timeliness requirement of services processed between user equipment and the application side; receiving a notification message from a network data analytics function entity; generating, based on the service real-time requirement information, a handover policy to be followed by an access network entity connected to the user equipment in the event of handover upon receiving the notification message; and transmitting the handover policy to a session management function entity to enable the session management function entity to configure the handover policy to other network entities.

Abstract: A method of generating a transfer request is described. A window that is displayed independent of a service interface of a service application and corresponds to the service application is generated by processing circuitry of a first terminal according to an independent window presentation interface. The window that is independent of the service interface of the service application is displayed based on a window display request from the service application. A user operation is received via the window. A transfer code request instruction is generated in response to the received operation. A transfer code corresponding to the transfer code request instruction is obtained when the service application detects the transfer code request instruction. The transfer code is displayed for processing by a second terminal to generate the transfer request.

Abstract: Embodiments of the disclosure provide a disparity map acquisition method and apparatus, a device, a control system and a storage medium. The method includes: respectively performing feature extraction on left-view images and right-view images of a captured object layer by layer through M cascaded feature extraction layers, to obtain a left-view feature map set and a right-view feature map set of each layer, M being a positive integer greater than or equal to 2; constructing an initial disparity map based on the left-view feature map set and the right-view feature map set extracted by an Mth feature extraction layer; and iteratively refining, starting from an (M?1)th layer, the disparity map through the left-view feature map set and the right-view feature map set extracted by each feature extraction layer in sequence until a final disparity map is obtained based on an iteratively refined disparity map of a first layer.

Abstract: A data recovery method includes receiving a request to recover target audio and video behavior data generated during use of an audio and video application by a target user. The target audio and video behavior data has been deleted from a database. The method includes obtaining a target data category of the target audio and the video behavior data; searching a blockchain system for the target audio and video behavior data based on the target data category, the blockchain system being configured to store operation data generated by the audio and video application that includes first operation data of audio and video behavior data. The method includes storing the target audio and video behavior data in the database; and returning the target audio and video behavior data to the target user.

Abstract: An information display method for a virtual object, performed by a terminal on which a virtual object application program is run, is provided. The method includes: obtaining an instruction to display genealogy information corresponding to a target virtual object; obtaining the genealogy information of the target virtual object based on the instruction, the genealogy information of the target virtual object comprising information about n virtual objects having a genetic relationship with the target virtual object, n being a positive integer; and displaying the information about the n virtual objects, the information about the n virtual objects comprising an image of a virtual object determined by genes of the virtual object based on a genetic inheritance rule. Counterpart apparatus, terminal, server, and non-transitory computer-readable medium embodiments are also contemplated.

Abstract: This disclosure relates to encoding and decoding methods and apparatuses. The method may include encoding an ith signal frame, to obtain an encoded result of the ith signal frame. The method may further include performing forward error correction encoding on first n signal frames, to obtain forward error correction encoded results corresponding to the first n signal frames. The first n signal frames may be signal frames located before the ith signal frame. The method may further include synthesizing the encoded result of the ith signal frame and the forward error correction encoded results corresponding to the first n signal frames, to obtain an ith encoded frame corresponding to the ith signal frame. The ith encoded frame may comprise a flag bit, the flag bit may be for indicating a number n, and n may be a positive integer greater than or equal to 2.

Abstract: Embodiments of this application relate to the computer field, and disclose a ballistic trajectory display method, apparatus, and device in a virtual environment, and a readable medium. The method includes receiving a first shooting signal of a first type of ammunition transmitted by a first terminal The method may further include transmitting an ammunition creating instruction to the first terminal and a second terminal simultaneously according to the first shooting signal. The method may further include transmitting a first display instruction to the first terminal and the second terminal simultaneously in a case of determining that the first type of ammunition hits a target.

Abstract: An image rendering method includes acquiring a water wave map corresponding to a target water body region, and acquiring a normal map corresponding to the target water body region in a next image frame based on the water wave map corresponding to the target water body region in the current image frame. The method further includes rendering a water wave effect on the target water body region in the next image frame based on the normal map. The method further includes performing attenuation processing on the water wave map corresponding to the target water body region where the dynamic object is located in the current image frame based on a water wave diffusion attenuation matrix corresponding to the dynamic object to obtain an attenuated water wave map when the dynamic object moves in water.

Abstract: This application relates to a method for transmitting a scene image of a virtual scene. The method includes: rendering a first image to obtain a first rendered image, wherein the first image is obtained through acquisition of display data of a virtual scene when the display data changes; acquiring a first time point at which the rendering of the first image is completed; encoding the first rendered image to obtain an encoded image when an interval between the first time point and a second time point is not less than a first interval threshold, wherein the second time point is a time point at which image encoding is performed last time; and transmitting the encoded image to a terminal for decoding and displaying.

Abstract: The present disclosure relates to a method and apparatus for generating a quantum state preparation circuit, a quantum chip, an electronic device, a storage medium, and a computer program product. The method includes: determining a target qubit set with a binary tree restriction and applying a single qubit flip gate to a first target sub-node qubit; applying a two-qubit phase offset gate between sub-node qubits; applying a two-qubit SWAP gate between the first target sub-node qubit and a second target sub-node qubit; taking the sub-node qubits as the root node qubit and iteratively performing until the sub-node qubits are leaf node qubits; and applying the two-qubit phase offset gate with a path restriction between leaf node qubits and applying a single qubit phase offset gate to the leaf node qubits to obtain a quantum state preparation circuit.

Abstract: A metadata management method of big data technology, includes: receiving an account authentication request transmitted by a client, the account authentication request carrying cloud account information; when the account authentication request is successfully verified, transmitting a metadata tenant set to the client, the metadata tenant set having a binding relation with the cloud account information; in response to a tenant selection request, transmitting a metadatabase set to the client, the metadata tenant set comprising the to-be-requested metadata tenant, and the metadatabase set having a mapping relation with the to-be-requested metadata tenant; and in response to a database query request, transmitting a metadata table set to the client, the to-be-requested metadatabase being comprised in the metadatabase set, and the metadatabase set having a mapping relation with the to-be-requested metadatabase.

Abstract: This application relates to virtual object control, including: displaying a virtual scene including a first virtual object controlled by a user and a second virtual object not controlled by the user; in response to an operation against the second object, controlling the first object to fight against the second object in the virtual scene to reduce an attribute value of the second object; when the attribute value is less than a preset threshold, displaying conversion prompt information; in response to a conversion operation on the second object, playing a conversion animation, and displaying conversion progress indication information and object type options; and in response to the selection of a target object type option and the conversion progress indication information indicating the completion of playing of the conversion animation, converting the second object into a dependent virtual object of the first object.

Abstract: In a data read method a plurality of tuples meeting a read condition are determined in a case that the data read request is received and according to a read condition carried in the data read request. Global transaction statuses of a plurality of global transactions corresponding to the plurality of tuples are obtained. Global commit times of the plurality of global transactions according to the global transaction statuses of the plurality of global transactions are obtained. Then a target tuple from the plurality of tuples is determined based on the global commit times of the plurality of global transactions, the target tuple being visible relative to the data read request.

Abstract: Embodiments of this disclosure describe a method and an apparatus for controlling a virtual object to interact with a projectile, and a storage medium, and belong to the field of computer technologies. The method includes: controlling the virtual object to pick up the projectile in a virtual scene; determining a position of the projectile as an initial position, and determining a shooting direction of a camera of the virtual scene as a throwing direction of the projectile; determining a motion trajectory of the projectile according to the initial position, the throwing direction, an initial throwing speed of the projectile, and a motion law of an object under an influence of gravity acceleration, so that the motion trajectory is a curve conforming to the motion law; and displaying, in the virtual scene, the motion trajectory.

Abstract: An image processing method and apparatus are provided. The method includes: acquiring a sample image, the sample image comprising an image obtained by image-capturing a sample within a preset optical waveband; processing a first image corresponding to at least one preset wavelength within the preset optical waveband in the sample image, to obtain a pseudo-color image; performing region division on the sample image according to a difference in sample element types in the sample image to obtain a region division result, the sample element types comprising a recognition element type; and determining an image region comprising the recognition element type from the sample image based on the pseudo-color image and the region division result.