Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media for acquiring a virtual resource, including displaying an interactive interface of a second user in response to an access request of a first user for the interactive interface of the second user. A virtual resource state control is displayed on the interactive interface. A preview interface of a target multimedia resource posted by the second user is played in response to a trigger operation on the virtual resource state control by the first user in a case where the virtual resource state control indicates an available state. A preset quantity of virtual resources from virtual resources associated with the target multimedia resource is acquired in response to a trigger operation on the preview interface by the first user.

Abstract: A method for co-hosting in live streaming includes sending, in response to receiving a co-hosting request from a live streaming account, the co-hosting request to a target user account for co-hosting; and sending, in response to receiving co-hosting grant information from the target user account, a first live data stream and a second live data stream to a viewer account. The first live data stream corresponds to the target user account, the second live data stream corresponds to the live streaming account. The second live data stream is pushed by the live streaming account using a target live streaming tool, and the target live streaming tool is configured to push the second live data stream for the live streaming account and pull the first live data stream for the live streaming account.

Abstract: Embodiments of the disclosure provide a method for generating a dynamic image, an electronic device for the same and a storage medium for the same. The electronic device obtains a video based on a trigger operation. The electronic device obtains images of the video by separating the images an audio data of the video. The images include first images and second images. The electronic device obtains target images by processing the first images. Each of the target images does not contain the target object. The electronic device generates the dynamic image based on the images and the target images.

Abstract: The present disclosure can provide a method, an apparatus and a system for displaying comment information, a client, and a server. The client can determine a comment copywriting tag of a user account first, and then in response to a comment releasing instruction from the user account, obtain target comment information corresponding to the comment copywriting tag from a comment database, and release the target comment information in a comment interface of the user account.

Abstract: The disclosure provides a method and an apparatus for live streaming. The method includes receiving a live streaming pausing command sent by a first client, in which the live streaming pausing command is configured to instruct a pause of a live streaming in a live streaming room created with a login account of the first client; pausing acquisition of live streaming data from the first client and acquiring a target resource based on the live streaming pausing command; sending a target resource to a second client to instruct the second client to switch from displaying a live streaming picture to displaying the target resource, in which the second client includes a client of an account entered in the live streaming room.

Abstract: The present disclosure relates to a method for music generation, an electronic device and a storage medium. The method includes: determining first tag information of a first object by recognizing the first object; determining target background music based on the first tag information, in which the target background music includes lyrics template information which includes information about a number of words per sentence in lyrics suitable for the target background music; determining second tag information by extracting a tag of a second object; and displaying first lyrics on a music display page according to the second tag information and the lyrics template information, and playing the target background music, in which a form of the target background music includes rap.

Abstract: Methods and devices are provided for reducing the decoding latency introduced by luma mapping with chroma scaling (LMCS). In one method, during decoding of a coding unit (CU) that is coded by an inter mode or Combined Inter and Intra Prediction (CIIP) mode under LMCS framework, a plurality of reconstructed samples of luma component is obtained in a mapped domain, a plurality of converted samples of luma component is obtained in an original domain by converting the plurality of reconstructed samples of luma component from the mapped domain into the original domain, and the plurality of converted samples of luma component is used in the original domain, without clipping, in deriving chroma scaling factors for decoding the chroma samples of the CU.

Abstract: Provided in the present disclosure are a voice processing method, an apparatus, an electronic device, and a storage medium, the method comprising: detecting the working state of a current call system, and when the working state is a two-end speaking state or a remote-end speaking state, performing compression processing on a subsequent remote-end voice signal, acquiring a near-end voice signal by means of a microphone, performing echo processing on the basis of the near-end voice signal and the compression-processed remote-end voice signal to obtain an echo-processed near-end voice signal and a remaining echo signal, performing non-linear suppression processing on the near-end voice signal and the remaining echo signal, and performing gain control on the suppression-processed near-end voice signal.

Abstract: Provided in embodiments of the present application are a method and device for age estimation. The method comprises: performing gender training with respect to a gender model on the basis of facial image samples so as to allow the gender model to converge, where the gender model comprises at least two convolution layers; performing age training with respect to an age model on the basis of the facial samples so as to allow the age model to converge, where the age model comprises the at least two convolution layers, the converged age model comprises the weights of the at least two convolution layers, and the weights of the at least two convolution layers that the converged gender model comprises; and performing age estimation with respect to an inputted facial image on the basis of the converged age model.

Abstract: A method for video coding is provided. The method includes obtaining a first reference picture and a second reference picture associated with a current prediction block, obtaining a first prediction L0 based on a first motion vector MV0 from the current prediction block to a reference block in the first reference picture, obtaining a second prediction L1 based on a second motion vector MV1 from the current prediction block to a reference block in the second reference picture, determining whether a bidirectional optical flow (BDOF) operation is applied, and calculating a bi-prediction of the current prediction block based on the first prediction L0 and the second prediction L1, and first gradient values and second gradient values.

Abstract: Methods and devices are provided for reducing the decoding latency introduced by LMCS. In one method, during decoding of a coding unit (CU), a plurality of reconstructed luma samples is selected from a first pre-determined region neighboring to a second pre-determined region where the CU is located, an average of the plurality of reconstructed luma samples is calculated, and the average of the plurality of reconstructed luma samples is used directly, without any clipping, in deriving a chroma residual scaling factor for decoding the CU.

Abstract: A method, apparatus and system for processing a live broadcast information stream are provided. The method includes: obtaining an encryption permission recognition result by recognizing an encryption permission for a target live broadcast room in response to a live broadcast request of the target live broadcast room sent by an anchor client; generating an encryption live broadcast indication and a stream pushing address of the target live broadcast room in response to the encryption permission recognition result indicating that the target live broadcast room is an encrypted live broadcast room, in which the encryption live broadcast indication is used to instruct a live broadcast source station to encrypt live broadcast information stream of the target live broadcast room; and sending the stream pushing address corresponding to the target live broadcast room to the anchor client, in which the stream pushing address indicates an address of the live broadcast source station.

Abstract: A text description generating method and device, a mobile terminal and a storage medium. The method of the embodiments of the present disclosure includes: obtaining the video content; performing text recognition according to the video content to obtain first text information, and displaying the first text information; and/or, generating second text information in response to user input operation on the video content, and displaying the second text information.

Abstract: Methods and apparatuses for video coding are provided. The method includes that a decoder determines whether a disable flag is present in a picture header (PH) associated with a picture, wherein the disable flag specifies whether a coding tool is disabled in one or more slices associated with the PH. Additionally, the method includes that the decoder infers value of the disable flag according to one or more enable flags signaled in a sequence parameter set (SPS) of the picture in response to determining that the disable flag is not present in the PH, inferring, by the decoder.

Abstract: A computing device performs a method of decoding video data by acquiring a video bitstream including data associated with multiple encoded pictures, each picture including multiple rows of coding tree units (CTUs) and each CTU including one or more coding units (CUs). A data buffer storing a plurality of history-based motion vector predictors is used for encoding the rows of CTUs and the decoding process resets the buffer before decoding a first CU of a current row of CTUs. For a current CU of the row of CTUs, a motion vector candidate list is constructed from exploiting spatial and temporal correlation of motion vectors of neighbouring code units as well as the history-based motion vector predictors in the buffer. Finally, one motion vector predictor is selected, from the motion vector candidate list, for decoding the current CU and the buffer is updated based on the selected one.

Abstract: Disclosed are a method and device for determining an icon position. The method includes: detecting a target object in a target image and determining the reference position of the target object in the target image, and detecting a salient position in the target image, thereby obtaining the reference position of a key target or object in the target image, and a salient position possibly requiring more attention in the target image; and selecting, according to the distance between the reference position or salient position and preset candidate positions, an icon position from the candidate positions.

Abstract: Methods and apparatuses for video coding are provided. The method includes that a decoder determines whether one or more reference picture lists are signaled in a picture header (PH) associated with a picture and whether the one or more reference picture lists indicate that one or more slices associated with the picture are bi-predictive. The method further includes that the decoder adds one or more constraints to one or more syntax elements in the PH in response to determining that the one or more reference picture lists are signaled in the PH and the one or more reference picture lists indicate that the one or more slices are not bi-predictive.

Abstract: Methods, apparatuses, and non-transitory computer-readable storage medium are provided for decoding video signals. A decoder receives a bitstream that includes a sequence parameter set (SPS) for video data. The decoder obtains arranged partition constraint syntax elements in sequence parameter set (SPS) level, and the arranged partition constraint syntax elements include intra prediction related syntax elements and inter prediction related syntax elements, and the arranged partition constraint syntax elements are arranged so that the intra prediction related syntax elements are defined before the inter prediction related syntax elements. The decoder decodes the video data based on the arranged partition constraint syntax elements.

Abstract: A method for processing a video, includes: obtaining target music data and video clip information including clip duration of original video clips; determining cropping information of the original video clips based on beat information of the target music data and the clip duration of the original video clips; and displaying a target video on a video processing interface; the target video being obtained by cropping and splicing the original video clips based on the cropping information; the target video having at least one video splicing point corresponding to beat points in the beat information, in which the beat information of the target music data is original beat information of the target music data.