Abstract: An image processing method is performed by an electronic device, the method including: obtaining, according to a quantity of pixels whose color feature values fall within color feature intervals in an original image, a first histogram corresponding to the original image; obtaining, according to a quantity of pixels whose color feature values fall within the color feature intervals in an upsampled image of the original image, a second histogram corresponding to the upsampled image; respectively determining, according to the first histogram and the second histogram, target color feature intervals matching the color feature intervals in the second histogram; and processing, according to the target color feature intervals matching the color feature intervals in the second histogram, the color feature values of the pixels falling within the color feature intervals in the upsampled image, to obtain a target image.

Abstract: Embodiments of the present disclosure disclose a method and an apparatus for processing audio data, a device, and a storage medium, applied to a cloud server in cloud technologies. The method includes: obtaining original noise audio data to be processed and a target scenario parameter associated with the original noise audio data; determining, based on the target scenario parameter, a target noise reduction strength parameter for noise reduction processing; and performing noise reduction processing on the original noise audio data based on the target noise reduction strength parameter, to obtain target enhanced audio data.

Abstract: A method for processing a media stream includes: determining a cloud application and an interaction room created in the cloud application, and obtaining, during running of the cloud application, media-stream processing capability information of terminals joining the interaction room for interaction; performing adaptive encoding on media data in the interaction room based on the media-stream processing capability information, to obtain at least one type of media stream for the terminals in the interaction room, a media-stream parameter of the at least one type of media stream matching the media-stream processing capability information; determining a media stream matching a subset of the terminals in the interaction room, the media stream being selected from the at least one type of media stream based on media-stream processing capability information of the subset of the terminals; and delivering the media stream to the subset of the terminals in the interaction room.

Abstract: Disclosed are a method for generating a high-precision road map, a high-precision road map generation device, equipment and a storage medium. The method includes: based on a constant temperature control system, collecting a plurality of road information to be processed by different sensors, so that the different sensors can all operate at a suitable temperature and are not affected by the environment; performing feature extraction on the plurality of the road information to be processed, and obtaining road feature information; and connecting a mileage meter by a vehicle controller area network port or a related domain controller to obtain mileage information of the vehicle and posture control information of the vehicle, and predicting the posture of the vehicle to provide auxiliary information for an inertial system, and finally generating a high-precision road map according to the road feature information, vehicle body posture control information of a vehicle and mileage information.

Abstract: Provided herein is an epoxy primer comprising: 1) a first component comprising: a) an epoxy resin blend comprising at least one bisphenol resin; b) at least one epoxy silane; c) magnesium oxide; and d) lithium manganese oxide, lithium phosphate, lithium carbonate, lithium molybdate, or combinations thereof; and 2) a second component comprising: a) at least one phenalkamine; b) at least one amine curing agent; and c) at least one silane monomer, at least one silane oligomer, at least one siloxane resin, or combinations thereof. Also described is a method of making the epoxy primer and a coatings system comprising the epoxy primer.

Abstract: A video processing method includes: obtaining N video frame sequences of an input video, each video frame sequence comprising at least one video frame image, and N being an integer greater than 1; obtaining an ith video frame sequence and an adjacent (i?1)th video frame sequence from the N video frame sequences, i being an integer greater than 1; obtaining a first video frame image from the ith video frame sequence, and obtaining a second video frame image from the (i?1)th video frame sequence, the first video frame image corresponding to a first image attribute, and the second video frame image corresponding to a second image attribute; obtaining first computing power corresponding to encoding of the (i?1)th video frame sequence; and determining an encoding parameter of the ith video frame sequence according to at least one of the first computing power, the first image attribute, and the second image attribute.

Abstract: A live streaming media data processing method is provided, performed by a computer device, and including: caching live streaming media source data, and slicing the cached live streaming media source data based on a preset slicing granularity in response to a streaming media duration of the cached live streaming media source data reaching a target caching duration, to obtain a plurality of independently codable streaming media segments, a numerical value of the target caching duration being greater than a numerical value of the preset slicing granularity; performing, by using at least two coding servers, parallel coding on the streaming media segments obtained through the slicing, to obtain respective coded video data of the coding servers, an overall code rate of the at least two coding servers being not less than a frame rate of the live streaming media source data; and merging the respective coded video data of the coding servers to obtain coded live streaming media data configured for transmission to a liv

Abstract: A heat sink includes a heat sink body having a plurality of stacked fins and a mounting base. The mounting base has a first heat dissipation plate and a second heat dissipation plate. A first surface of the first heat dissipation plate is connected to a bottom of the heat sink body. The second heat dissipation plate is mounted on a second surface of the first heat dissipation plate opposite to the first surface.

Abstract: A video encoding method of a cloud game is provided. Network bandwidth information of a video playback terminal is determined. Decoding computing power information of the video playback terminal is determined. At least one encoding parameter of a video of the cloud game is dynamically adjusted based on (i) the network bandwidth information and (ii) the decoding computing power information. The network bandwidth information and the decoding computing power information indicate a playback environment of the video of the cloud game. The video of the cloud game is encoded based on the at least one encoding parameter.

Abstract: A data processing method includes: obtaining media data and a first service scenario type to which the media data belongs; obtaining, according to mapping relationships between at least two coding configuration templates in a configuration template set and at least two service scenario types, a first coding configuration template corresponding to the first service scenario type; determining a frame coding parameter of the media data according to the first coding configuration template; and coding the media data according to the determined frame coding parameter to obtain first media data.

Abstract: A method includes encoding a first picture frame in a video clip as a video key frame, and encoding a plurality of picture frames after the first picture frame according to an encoding order. For a current picture frame, if it is determined that a network status of a receiving end satisfies transmitting and receiving conditions, the current picture frame is encoded based on a corresponding frame type of the current picture frame in a first encoding structure, and if it is determined that the network status does not satisfy the transmitting and receiving conditions, the current picture frame is encoded based on a corresponding frame type of the current picture frame in a second encoding structure. A quantity of bidirectional predicted frames in the second encoding structure is smaller than that in the first encoding structure.

Abstract: Disclosed are a blockchain-based transaction processing method, a client, a processing terminal and system. The method includes: entering a live broadcast interface according to a trigger operation acting on a live broadcast link, and acquiring a user identity; acquiring order information associated with the user identity based on the live broadcast interface; determining multimedia data associated with the order information; and sending the order information and the multimedia data to each node of the blockchain network for recording.

Abstract: This application discloses a video frame playing method performed by a computer device. According to an embodiment of this application, the computer device transmits network delay information to a cloud game server. The cloud game server then generates a plurality of first video frames based on the network delay information for rendering a target virtual scene at the computer device. After acquiring the plurality of first video frames, the computer device adjusts a resolution of the first video frames to obtain corresponding second video frames when resolutions of the plurality of first video frames meet resolution adjustment conditions, resolutions of the second video frames being higher than those of corresponding first video frames. Finally, the computer device plays a plurality of the second video frames.

Abstract: An image processing method is provided. In the method, a target video frame set is acquired from video data of a plurality of video frames. The target video frame set includes a subset of the video frames that is selected based on characteristics of the subset of the video frames. A global color feature of a reference video frame is acquired. An image semantic feature of the reference video frame is acquired. An enhancement parameter of the reference video frame is acquired for each of at least one image information dimension according to the global color feature and the image semantic feature. Image enhancement is separately performed on the video frames in the target video frame set according to each enhancement parameter of the reference video frame to obtain target image data for each of the video frames in the target video frame set.

Abstract: A method for predicting and optimizing an ROP for oil and gas drilling based on Bayesian optimization includes: acquiring raw drilling data according to a preset sampling period, constructing an initial sample data set based on the raw drilling data, constructing an ROP prediction model based on the initial sample data set, and predicting an ROP at a next sample point through a Gaussian process regression based on the ROP prediction model. The present invention realizes rapid analysis of historical drilling data and accurate prediction of an ROP range at a sample point in a feasible domain. The method can obtain an optimized ROP and an optimized engineering parameter through Bayesian optimization, and obtain an engineering parameter corresponding to an optimal ROP. The method has few restrictions on the drilling engineering parameter and the raw formation parameter, improves prediction accuracy, and avoids the problem of blurred parameter value boundaries.

Abstract: A method for predicting and optimizing an ROP for oil and gas drilling based on Bayesian optimization includes: acquiring raw drilling data according to a preset sampling period, constructing an initial sample data set based on the raw drilling data, constructing an ROP prediction model based on the initial sample data set, and predicting an ROP at a next sample point through a Gaussian process regression based on the ROP prediction model. The present invention realizes rapid analysis of historical drilling data and accurate prediction of an ROP range at a sample point in a feasible domain. The method can obtain an optimized ROP and an optimized engineering parameter through Bayesian optimization, and obtain an engineering parameter corresponding to an optimal ROP. The method has few restrictions on the drilling engineering parameter and the raw formation parameter, improves prediction accuracy, and avoids the problem of blurred parameter value boundaries.

Abstract: A video encoding method of a cloud game is provided. Network bandwidth information of a video playback terminal is determined. Decoding computing power information of the video playback terminal is determined. At least one encoding parameter of a video of the cloud game is dynamically adjusted based on (i) the network bandwidth information and (ii) the decoding computing power information. The network bandwidth information and the decoding computing power information indicate a playback environment of the video of the cloud game. The video of the cloud game is encoded based on the at least one encoding parameter.

Abstract: An image processing method is performed by an electronic device, the method including: obtaining, according to a quantity of pixels whose color feature values fall within color feature intervals in an original image, a first histogram corresponding to the original image; obtaining, according to a quantity of pixels whose color feature values fall within the color feature intervals in an upsampled image of the original image, a second histogram corresponding to the upsampled image; respectively determining, according to the first histogram and the second histogram, target color feature intervals matching the color feature intervals in the second histogram; and processing, according to the target color feature intervals matching the color feature intervals in the second histogram, the color feature values of the pixels falling within the color feature intervals in the upsampled image, to obtain a target image.

Abstract: Embodiments of the present disclosure provide a data buffering method. In the method, a network device obtains multimedia data and network characteristic information of a communications network. The communications network includes a first communications network or a second communications network, the first communications network is configured to transmit the multimedia data to the network device, and the second communications network is configured to transmit the multimedia data to a terminal device. A target data volume corresponding to the terminal device is determined at least based on the network characteristic information of the first communications network and/or the second communications network. First buffered data representing the multimedia data is determined based on the obtained multimedia data and has the target data volume. The first buffered data is sent to the terminal device by using the second communications network.