44results about How to "Accurate Migration" patented technology

A method for multipath imaging of three-dimensional volumes of seismic data, given the subsurface velocity distribution. Ray tracing is used to generate the volumes of information needed for migration, but using coarse-scaled grids for computational efficiency. Interpolation methods are disclosed that address the specific shot points and receiver locations and that enable a final image on a grid with the desired resolution. Data storage and retrieval techniques are also disclosed.

The invention discloses a method for data migration of a non-relational database HBase. According to the method, by reading configuration file information of users, data within a time period designated by the users are migrated from an old HBase cluster to a new HBase cluster. The method has the advantages that by designing RowKey, group information and time information of the data are embodied on the RowKey, and whether the data corresponding to the RowKey are within a migration time range designated by the users can be directly identified by scanning the RowKey during data migration; groups serve as data migration units, every group serves as a check point, the range of the non-synchronous data between the old HBase cluster and the new HBase cluster can be rigidly controlled within one group when abnormal conditions occur, and time required for restoring data synchronization is reduced; log information is recorded in the data migration process to be used for treating the abnormal conditions in the data migration process, synchronization of the data between the old cluster and the new cluster is guaranteed, and data migration between the HBase clusters can be finished accurately and efficiently.

The present invention provides a method and an apparatus for migrating virtual machine parameters and a virtual machine server. The method includes receiving a virtual machine parameter migration message at a not-running stage of a virtual machine, where the virtual machine parameter migration message is used to cause an upstream network device of the virtual machine to migrate virtual machine parameters of the virtual machine at the not-running stage of the virtual machine, and the virtual machine parameter migration message includes an identifier of the virtual machine. The present invention may implement migration of the virtual machine parameters correctly and solve a service interruption problem in virtual machine migration.

The invention discloses a partition expansion method and device and a data storage method and device. The method comprises the following steps: the target storage node receives a first partition viewsent by the controller server, the first partition view comprises two mapping relationships; wherein the first mapping relationship is a mapping relationship between each storage node identifier and each partition identifier in the distributed storage system; the second mapping relationship is a mapping relationship between each newly added partition identifier and the partition identifier to be migrated; therefore, the target storage node determines a first to-be-migrated partition corresponding to the first newly added partition on the target storage node according to the second mapping relation, determines a source storage node corresponding to the first partition to be migrated according to a first mapping relation; then obtains the data of the first partition to be migrated from the source storage node, and writies the obtained data into the first newly-added partition on the target storage node, so that the data of the partition of the original storage node can be accurately migrated to the newly-added partition on the new storage node.

The invention provides a data storage method and device. The method comprises the following steps of configuring a plurality of pieces of heat monitoring configuration information for the first service, and monitoring the heat of the first service according to the configuration in each piece of heat monitoring configuration information, obtaining a heat value corresponding to each piece of heat monitoring configuration information, selecting a position for storing data corresponding to the first service according to the plurality of heat values, for example, a solid-state hard disk or a mechanical hard disk, data corresponding to the first service can be migrated after a plurality of heat values are comprehensively considered, data corresponding to the first service can be migrated independently according to a heat value. By the adoption of the scheme, one service is provided with the multiple pieces of heat monitoring configuration information, hot spot data of the service can be migrated to the solid state disk more accurately and timely, hierarchical storage efficiency is greatly improved, and the problem that in the related art, the hierarchical storage effect of the hot spotdata is not ideal due to the fact that a heat value statistical mode is single is solved.

The invention relates to a database migration method and device from MySQL to Oracle and computer equipment. The method comprises the steps of selecting an initial MySQL database; acquiring table nameinformation of all database tables of the initial MySQL database; circularly traversing the database table according to the table name information to obtain initial table structure definition information; according to the database table and the initial table structure definition information, converting to obtain target table structure definition information meeting Oracle requirements; and generating a target Oracle database according to the database table and the target table structure definition information. According to the scheme, the table name information and the initial table structuredefinition information are obtained, the initial table structure definition information is converted to obtain the target table structure definition information, and finally the corresponding targetOracle database is generated, so that the database can be selected for migration according to actual needs, and migration cost is reduced while accurate migration of the database is guaranteed.

The invention discloses a method and a device for migrating relational data to an HBase database, which are used for solving the technical problem that the data migration mode of migrating data from arelational database to an HBase database is not mature enough so as to improve the data migration efficiency, and can ensure integrity and effectiveness of data migration through a fault-tolerant verification mode so as to improve the accuracy of data migration. The method comprises: obtaining a data table needing to be migrated from a relational database; creating a column family name and a column name for a target HBase database according to the data table needing to be migrated; converting the field type into a character type to carry out data conversion on the data in the data table needing to be migrated to obtain converted data, and recording the converted data volume; importing the converted data into the target HBase database and generating an import record report; and judging theintegrity of data migration according to the converted data volume and the import record report so as to obtain a verification result about whether the data is completely migrated or not.

The invention provides an image style processing method and device based on artificial intelligence, equipment and a computer readable storage medium. The method comprises the following steps: performing style transformation processing on a first image sample through a style generation network to obtain a second image sample; obtaining a corresponding style classification loss function when the second image sample is subjected to style classification and a corresponding content classification loss function when the second image sample is subjected to content classification; training the style generation network according to the style classification loss function and the content classification loss function; and performing style transformation processing on the first image through the trained style generation network to obtain a second image. According to the method and device, accurate image style migration can be achieved.

In a system for migrating data between document management applications, if an inheritance setting of an access right to a folder in a source document management application is a first inheritance setting for inheriting an access right to a parent folder, the inheritance setting of the access right is changed to a second inheritance setting for setting an access right exclusively for the folder while the same access right as the access right to the parent folder is set. Then, the folder is migrated to the destination document management application. If a hierarchy including the folder to be migrated exceeds an upper limit on the number of hierarchies in the destination document management application, the folder is stored in a shallower hierarchy in the destination document management application.

The invention discloses a method for converting a relational database into an Neo4j model and a data migration method. The model conversion method includes the followings steps: S1, extracting a concept model of the relational database; S2, screening out a table to be converted; S3, establishing an Neo4j concept model conversion frame; S4, searching a table having a main key consisting of two foreign keys, and converting the table into a relationship entity having attributes; S5, converting the rest of tables which are not be converted into label entities of nodes in the Neo4j concept model; and S6, converting all the other main-foreign relationships in the step S4 into relationship entities without attributes in the Neo4j concept model, except the searched table-related main-foreign relationship. The model conversion method can migrate data from the relational database into the Neo4j model, and allows data migration to be more accurate and easy to operate.

The invention provides a training method of a two-dimensional cryoelectron microscope image denoising model, and the method comprises the steps: S1, obtaining an original image data set, extracting a pure noise region corresponding to each image from the original image data set to obtain pure noise samples, and forming a pure noise data set; S2, training a generative model by using the pure noise data set obtained in the step S1 to obtain a noise generation model, and generating a plurality of new pure noise samples by using the trained noise generation model to expand the pure noise data set to obtain a new pure noise data set; S3, migrating pure noise samples in the new pure noise data set to the noise-free image generated by simulation to obtain a noise-free and noise-containing data set composed of noise-free and noise-containing samples; and S4, training the convolutional neural network to convergence by using the noiseless-noisy data set obtained in the step S3.

The invention discloses a power transmission line diagnosis method and system based on a multi-task deep convolutional neural network, and the method comprises the steps: obtaining a to-be-diagnosed power transmission line image, comparing the to-be-diagnosed power transmission line image with a normal image, and obtaining a difference image; inputting the difference image into a pre-trained network model for abnormal object category classification and a network model for abnormal object attribute classification, and identifying attributes and types of abnormal objects, wherein the network model for abnormal object attribute classification is obtained by migrating part of convolution layer characteristic parameters in the network model for abnormal object category classification based on MMD distance and retraining the remaining network layers. The method is high in training speed, stable and simple in model and convenient to expand.

The invention discloses a load balancing method and device, and relates to the technical field of cloud computing. The specific implementation scheme is as follows: obtaining load information of eachnode in a cluster, wherein the load information comprises at least one of the following items: a hard disk load, a network load, a CPU load, a memory load and a delay load; calculating a load value ofeach node according to the load information of each node; for each node, diagnosing the node according to the load value of the node to obtain a diagnosis result; conducting processing from the diagnostic result. According to the embodiment, cluster heterogeneous and hot spot data scenes are met, meanwhile, cluster loads have higher fault tolerance, and the loads are more uniform.

The invention relates to a food contact sheet specific migration test sampling soaking device which belongs to a device for soaking a food contact sheet in a food contact sheet specific migration test. An upper cover and a lower cover, which have the same size and shape, are the same in thickness of side walls; a liquid inlet hole and a gas outlet hole are respectively formed at different positions on the side wall of the upper cover; the liquid inlet hole is connected with a cone liquid outlet pipe; the gas outlet hole is connected with a cone gas outlet pipe; the liquid inlet hole and the gas outlet hole are respectively communicated with an inner cavity of the upper cover by pilot holes; the upper cover is provided with a liquid diversion sunken part and a gas outlet sunken part; the liquid diversion sunken part and the gas outlet sunken part are respectively communicated with an inner cavity of the lower cover by pilot holes; corresponding position connection holes are formed at multiple positions on the upper cover and the lower cover. The food contact sheet specific migration test sampling soaking device has the advantage that liquid for detecting toxic and hazardous substances migrated by a tested food contact slice completely reflects the quantity of the toxic and hazardous substances migrated when the slice is used as a packaging material, so that the food contact sheet specific migration test sampling soaking device is accurate to detect the quantity of the toxic and hazardous substances migrated by the slice, and has no interference of slice section migration substances.

The invention provides a mobile edge computing application data migration method and device and a core network node, and relates to the technical field of Internet of Vehicles. The mobile edge computing application data migration method is applied to a mobile edge computing MEC device, and comprises the following steps: receiving vehicle position change information sent by a core network node; and migrating the application data of the vehicle from the source MEC node to the target MEC node according to the vehicle position change information. According to the scheme, accuracy and high efficiency of application data migration are ensured.

The invention provides a data migration method which can be applied to the technical field of Internet or the field of finance. The data migration method comprises the following steps: acquiring configuration information, wherein the configuration information comprises data connection configuration information, data migration configuration information and user mapping; connecting a source database and a target database based on the data connection configuration information; data migration is carried out based on the data migration configuration information and user mapping, and the data comprises parameter type data and service type data; executing data migration verification based on the data migration result; wherein the user mapping is used for realizing user parameter matching of the source database and the target database, and the matching result is used for realizing migration of the business data. The invention further provides a data migration device, equipment, a medium and a program product.

The embodiment of the application discloses a method and device for transmitting data. A specific embodiment of the method for transmitting data comprises the following steps: querying file information pointed to by user information in a data transmission instruction in response to detecting the data transmission instruction; and constructing a data transmission task according to the file information, and allocating the data transmission task to a target file transmission node for data transmission. By means of the embodiment of the invention, a file to be transmitted of the user can be transmitted from an initial storage area to a target storage area through the target file transmission node within the set time; therefore, correct and fast migration of the data is realized.

The invention discloses a non-stop migration method and device for image data between heterogeneous systems. The method comprises the following steps: packaging a migration data packet; marking a first label on the migration data packet of which the modification time is earlier than the migration starting time, and marking a second label on the migration data packet of which the modification timeis later; directly migrating the migration data packet of the first label into a migration system cache; comparing the image identifier in the migration data packet of the second label with the imageidentifier in the migration data packet migrated into the system cache; if the same image identifier exists, replacing the migration data packet of the same image identifier in the cache with the migration data packet of the second label; if the same image identifier does not exist, directly migrating the migration data packet of the second label into the cache; and after all the images are migrated to a cache of the immigration system, storing the migration data packet to a target storage position according to a storage rule of the immigration system. According to the invention, accurate migration of image data between heterogeneous systems under the condition of no shutdown can be achieved.

The invention provides a topic model-based bank data warehouse construction method and apparatus. The topic model-based bank data warehouse construction method comprises the steps of classifying original data into a corresponding topic model data table according to a preset topic model data table; loading a plurality of topic model data tables into a heterogeneous data temporary table according toa pre-generated priority rule; and inserting the heterogeneous data temporary table into a heterogeneous data base layer target table to generate a target data warehouse. The method provided by the invention has the advantages that compared data sets are few, a checking mode is irrelevant to a loading algorithm and a table primary key, and the accuracy of a checking result is high.

The invention relates to a ticket data processing method and device. The method comprises that: a ticket data processing component establishes connection with a first ticket system; based on the established connection, ticket data is acquired from the first ticket system; and adaptation processing is performed on the ticket data, and then the ticket data is migrated to a second ticket system. By utilizing the ticket data processing method and device provided by each embodiment of the invention, the migration of the ticket data is quickly completed, the reloading time is saved, the reloading efficiency is improved, and meanwhile, the situation that the migrated ticket data is inaccurate due to too many data changes in the reloading process is also avoided.

The invention discloses a remote sensing image sample migration method. The method comprises the following steps: acquiring an initial sample set and a target domain sample set; screening the initial sample set to obtain a source domain sample set X; extracting a generation factor set Zs of the source domain sample set and a generation factor set Zt of the target domain sample set, and obtaining a common generation factor set Zc of the source domain sample set and the target domain sample set, a non-common generation factor set Zs0 of the source domain sample set and a non-common generation factor set Zt0 of the target domain sample set according to the generation factor sets Zs and Zt; replacing Zs0 with Zt0 to obtain a source domain sample generation factor set Zs1 after feature migration; and generating a migration sample of a fitting target domain based on the Zs1. The target domain sample data is generated based on the low-error source domain sample data, sample migration is achieved, the utilization rate of the source domain samples is increased, and the problem that the target domain samples are insufficient is solved.

The invention discloses an image style migration method based on multi-scale semantic matching, and the method comprises the steps: obtaining a content image training set and a style image training set, and forming a plurality of groups of content-style image pairs; extracting multi-scale depth features of the content image and the style image in the content-style image pair through a deep convolutional network; performing multi-scale semantic matching on the multi-scale depth features of the content image and the style image to obtain reconstructed depth features; synthesizing the reconstructed depth features into a reconstructed image after style migration through a decoder; iteratively updating parameters of the decoder until the decoder converges; and sequentially carrying out multi-scale depth feature extraction, multi-scale semantic matching and decoder synthesis after convergence updating on a content image to be processed and a style image to obtain an image after style migration. According to the method, the structural integrity and coherence of the input content image can be remarkably kept, and meanwhile, the style of the semantic part corresponding to the input style image is accurately migrated.

A process for rapid typing of yeast, parasites and bacteria is provided. It comprises the following steps: a) Preparing immobilized intact DNA in 5 to 60 minutes aided by a method involving a reagent kit that only contains buffer solution, a detergent, a metal chelating agent and an agent to disrupt the hydrogen bonds. b) Separating intact DNA molecules or their restriction fragments in miniequipments for Pulsed Field Gel Electrophoresis of the CHEF (Contour Clamped Homogeneous Electric Field) and TAFE (Transversal Alternating Field Electrophoresis) systems in times comprised between 2.5 and 7 hours. c) Selecting the optimal conditions that should be set in miniCHEF with the aid of a method to simulate the electrophoresis patterns d) Providing reorientation times, migration velocities and sizes of the molecules calculated with the aid of a method to analyze the migrated distances without the use of size markers.

The invention relates to the field of fertilizers, and particularly provides a soil column culture container and a soil column culture test method. The soil column culture container comprises an outerpipe and an inner pipe, the inner pipe is made of deformable materials, and the inner pipe is movably arranged in the outer pipe. When the container is used for sampling after soil column culture, anoriginal structure of a soil column is not damaged, the accuracy is high, and the morphological change characteristics of fertilizer (such as phosphate fertilizer) in a fertilizer zone micro-domain and the migration quantity of fertilizer elements (such as phosphorus) at different distances from a fertilization point can be accurately known. The soil column culture test method adopts the soil column culture container to carry out a soil column culture test. According to the method, the soil column culture container is adopted for a soil column culture test, so that the method has the advantages that the sampling accuracy is high, and the morphological change characteristics of the fertilizer (such as phosphate fertilizer) in the fertilizer zone micro-domain and the migration amounts of fertilizer elements (such as phosphorus) at different distances from a fertilization point can be accurately obtained.