Abstract: The present application provides a resource scheduling method and apparatus, an electronic device, and a computer readable storage medium. The method includes: selecting an optimal path from a pre-constructed resource label forest according to a weight of a path in a resource label tree in the resource label forest; and scheduling a task to a third node through which the optimal path passes. The resource label forest includes the at least one resource label tree, and each path of which includes a first node, a second node and the third node in an order from a root node to leaf nodes.

Abstract: Provided are a picture encoding and decoding method, an encoder, and a decoder. The decoder decodes a bitstream to obtain a size and a coding mode of a current block; when the coding mode of the current block is a Matrix-based Intra Prediction (MIP) mode, determines a value of a MIP block size index corresponding to the current block according to the size of the current block, calculates a second offset based on the MIP block size index, a constant value and reconstructed values of adjacent pixels corresponding to the current block; determines a first prediction value of the current block according to the second offset; and determines a reconstructed value of the current block based on the first prediction value.

Abstract: Provided are a picture encoding and decoding method, an encoder, and a decoder. The decoder decodes a bitstream to obtain a size and a coding mode of a current block; when the coding mode of the current block is a Matrix-based Intra Prediction (MIP) mode, determines a value of a MIP block size index corresponding to the current block according to the size of the current block, calculates a second offset based on the MIP block size index, a first offset and reconstructed values of adjacent pixels corresponding to the current block; determines a first prediction value of the current block according to the second offset; and determines a reconstructed value of the current block based on the first prediction value.

Abstract: Methods for determining a prediction value, an encoder and a decoder are provided. A bitstream is parsed to obtain a size and a coding mode of a current block. Reconstructed values of neighboring samples are acquired and the reconstructed values of the neighboring samples are filtered. A second constant value is calculated according to a bit depth value of a luma component of a sample in the current block. A difference between the second constant value and a first reference value in the reference value set is assigned as a first prediction input value in a prediction input value set. Other prediction input values in the prediction input value set other than the first prediction input value are determined. Prediction values of samples at specific positions in the current block are calculated. The prediction values are filtered to obtain prediction values of all samples in the current block.

Abstract: Provided are a picture encoding and decoding method, an encoder, a decoder and a storage medium. The decoder decodes a bitstream to obtain a size, a coding mode, and residuals of a current block; when the coding mode of the current block is an MIP mode, calculates a second offset based on the size of the current block, a first offset and reconstructed values of adjacent pixels corresponding to the current block; determines a first prediction value of the current block according to the second offset; and determines a reconstructed value of the current block based on the first prediction value.

Abstract: A data prefetch method includes before data is prefetched, a first data access request that is first obtained, and a data prefetch policy that is determined based on the first data access request and a data lifecycle such that a first data set stored in a second storage medium is stored into a first storage medium according to the data prefetch policy. The first data set includes at least one piece of data, the data prefetch policy includes at least a prefetch length, the data lifecycle indicates duration for storing data in the first storage medium, and a read/write access rate of the second storage medium is less than that of the first storage medium.

Abstract: A low-friction long-life ultra-lattice composite coating as well as a preparation method and use thereof are provided. The ultra-lattice composite coating includes a titanium transition layer, a TiNx bearing layer, a TiNx/MoS2 gradient transition layer, a MoS2/Me gradient transition layer and a MoS2/Me ultra-lattice layer which are successively formed on the surface of a matrix; wherein, in a direction gradually far away from the matrix, the content of MoS2 in the TiNx/MoS2 gradient transition layer is increasing, and the content of MoS2 in the MoS2/Me gradient transition layer is decreasing. The ultra-lattice composite coating has excellent mechanical property and tribological performance, with a vacuum friction coefficient being below 0.02 and a friction life exceeding 4×106 revolutions, which can meet the requirements on ultra-low friction and ultra-long service life for aerospace vehicles.

Abstract: A low-friction long-life ultra-lattice composite coating as well as a preparation method and use thereof are provided. The ultra-lattice composite coating includes a titanium transition layer, a TiNx bearing layer, a TiNx/MoS2 gradient transition layer, a MoS2/Me gradient transition layer and a MoS2/Me ultra-lattice layer which are successively formed on the surface of a matrix; wherein, in a direction gradually far away from the matrix, the content of MoS2 in the TiNx/MoS2 gradient transition layer is increasing, and the content of MoS2 in the MoS2/Me gradient transition layer is decreasing. The ultra-lattice composite coating has excellent mechanical property and tribological performance, with a vacuum friction coefficient being below 0.02 and a friction life exceeding 4×106 revolutions, which can meet the requirements on ultra-low friction and ultra-long service life for aerospace vehicles.

Abstract: The present invention relates to the field of molecular biology, in particular to a method for detecting multiple target nucleic acids in a single sample container. The present invention particularly relates to a method for multiplex detection based on digital PCR. The method comprises: mixing a primer-probe composition, a sample to be detected and an amplification reagent to obtain a reaction system; placing the reaction system in a condition that allows a nucleic acid polymerase to perform hybridization and extension reaction, so as to obtain a reaction product; and performing signal acquisition on the reaction product. The detection method of the present invention can realize detection of multiple target nucleic acids, is easy to operate, and can save time.

Abstract: Picture coding and decoding methods, an encoder, a decoder and a storage medium are provided. The encoder, before performing coding processing according to a matrix-based intra prediction (MIP) mode, sets initial right shift parameters corresponding to different sizes and different MIP mode numbers as an uniform offset parameter, the offset parameter indicating a number of right shifting bits of a predicted value, and when performing coding processing according to the MIP mode, performs coding processing according to the offset parameter. The decoder, before performing decoding processing according to an MIP mode, sets initial right shift parameters corresponding to different sizes and different MIP mode numbers as an uniform offset parameter, the offset parameter indicating a number of right shifting bits of a predicted value, and when performing decoding processing according to the MIP mode, performs decoding processing according to the offset parameter.

Abstract: Provided is a method for detecting a target nucleic acid, in particular a method for detecting a single or multiple target nucleic acid on digital PCR by using a universal probe. The detection method can achieve single-tube ultra-multiple detection, and has the advantages of a low fluorescence background, an adjustable melting temperature, good inclusiveness, low costs, simple and convenient operation, not being prone to causing pollution, high sensitivity, a wide application range and the like.

Abstract: Disclosed in the implementations of the present disclosure are a mapping method, an encoder, a decoder, and a computer storage medium. The method may include: determining an intra prediction mode used at the time of encoding or decoding a current block; mapping, if the intra prediction mode is a MIP mode, the MIP mode to a first non-MIP mode; and mapping, if the intra prediction mode is a non-MIP mode, the non-MIP mode to a second MIP mode.

Abstract: Picture coding and decoding methods, an encoder, a decoder and a storage medium are provided. The encoder, before performing coding processing according to a matrix-based intra prediction (MIP) mode, sets initial right shift parameters corresponding to different sizes and different MIP mode numbers as an uniform offset parameter, the offset parameter indicating a number of right shifting bits of a predicted value, and when performing coding processing according to the MIP mode, performs coding processing according to the offset parameter. The decoder, before performing decoding processing according to an MIP mode, sets initial right shift parameters corresponding to different sizes and different MIP mode numbers as an uniform offset parameter, the offset parameter indicating a number of right shifting bits of a predicted value, and when performing decoding processing according to the MIP mode, performs decoding processing according to the offset parameter.

Abstract: A method for decoding a picture, a method for encoding a picture, an encoder, and a decoder are provided. The method for encoding a picture includes (i) determining a width and a height of a coding block in the picture; (ii) if the width and the height are equal to N, where N is a positive integer power of 2, determining a matrix-based intra prediction (MIP) size identifier indicating that an MIP prediction size equal to N; (iii) deriving a group of reference samples of the coding block; and (iv) deriving an MIP prediction of the coding block based on the group of reference samples and an MIP matrix corresponding to the MIP size identifier.

Abstract: The present disclosure relates to the field of communication technology, and provides a resource scheduling method including: acquiring utilization rates of resources of a plurality of proxy servers, the plurality of proxy servers being deployed on a virtual machine; and using at least one first proxy server to share a utilization of resources of at least one second proxy server, where the utilization rate of resources of each of the at least one first proxy server is smaller than a first threshold, the utilization rate of resources of each of the at least one second proxy server is greater than a second threshold, and the first threshold is smaller than the second threshold.

Abstract: Methods for determining a prediction value, an encoder and a decoder are provided. A bitstream is parsed to obtain a size and a coding mode of a current block. Reconstructed values of neighboring samples are acquired and the reconstructed values of the neighboring samples are filtered. A second constant value is calculated according to a bit depth value of a luma component of a sample in the current block. A difference between the second constant value and a first reference value in the reference value set is assigned as a first prediction input value in a prediction input value set. Other prediction input values in the prediction input value set other than the first prediction input value are determined. Prediction values of samples at specific positions in the current block are calculated. The prediction values are filtered to obtain prediction values of all samples in the current block.

Abstract: A method for decoding a picture, a method for encoding a picture, an encoder, and a decoder are provided. The method for encoding a picture includes (i) determining a width and a height of a coding block in the picture; (ii) if the width and the height are equal to N, where N is a positive integer power of 2, determining a matrix-based intra prediction (MIP) size identifier indicating that an MIP prediction size equal to N; (iii) deriving a group of reference samples of the coding block; and (iv) deriving an MIP prediction of the coding block based on the group of reference samples and an MIP matrix corresponding to the MIP size identifier.

Abstract: A method for decoding a picture, a method for encoding a picture, an encoder, and a decoder are provided. The method for encoding a picture includes (i) determining a width and a height of a coding block in the picture; (ii) if the width and the height are equal to N, where N is a positive integer power of 2, determining a matrix-based intra prediction (MIP) size identifier indicating that an MIP prediction size equal to N; (iii) deriving a group of reference samples of the coding block; and (iv) deriving an MIP prediction of the coding block based on the group of reference samples and an MIP matrix corresponding to the MIP size identifier.

Abstract: Methods for determining a prediction value, an encoder, and a decoder are provided. Reconstructed values of neighboring samples of a current block are acquired, and then filtered to obtain a reference value set of the current block. When a size of the current block is smaller than a preset threshold value, a first constant value is calculated according to a bit depth value of a luma component of a sample in the current block. A difference between the first constant value and a first reference value in the reference value set is determined as a first prediction input value in a prediction input value set. Other prediction input values in the prediction input value set other than the first prediction input value are determined according to the reference value set. Prediction values of samples at specific positions in the current block is calculated and then filtered.

Abstract: Provided are a picture encoding and decoding method, an encoder, a decoder and a storage medium. The decoder decodes a bitstream to obtain a size, a coding mode, and residuals of a current block; when the coding mode of the current block is an MIP mode, calculates a second offset based on the size of the current block, a first offset and reconstructed values of adjacent pixels corresponding to the current block; determines a first prediction value of the current block according to the second offset; and determines a reconstructed value of the current block based on the first prediction value.