20 results about "File sequence" patented technology

The invention provides a DICOM (Digital Imaging and Communications in Medicine) file sequence processing method, a medical image analysis method, system and device, a computer storage medium and a computer program product, the processing method comprises the following steps: loading a DICOM file sequence corresponding to a series of image sets obtained by tomography, and arranging according to a scanning sequence to obtain an initial image file queue; reading DICOM files from a specified position to form a key image file queue with a fixed length; and reading sequence-level DICOM metadata and image-level DICOM metadata for representing key features from the key image file queue, and arranging the sequence-level DICOM metadata and the image-level DICOM metadata according to a preset rule to obtain a sequence DICOM metadata queue with fixed length and fixed information items of each position. By adopting the scheme provided by the invention, the obtained metadata queue with the fixed dimension provides a data basis for subsequent deep learning network input, and improvement of the adaptability with the deep learning network and improvement of the analysis accuracy are facilitated.

The application discloses a FPGA reconfiguration method based on dynamic perception life balance and related devices. The method selects a configuration file from a preset configuration file set, obtains the write times of each physical block memory, solves the execution time weight of each configuration file according to the write times and the historical write times of the physical block memory, selects the configuration file according to the execution time weight to generate a configuration file sequence, sets a second threshold for the configuration file according to the execution time weight of each configuration file sequence, and sequentially runs each configuration file in the configuration file sequence until all the configuration files in the configuration file sequence are run. The logical block memory is remapped to other physical block memories, so that the life balance of the physical block memory is realized, and the life of the physical block memory is balanced according to the real write times through dynamic sensing.

Embodiments of the present disclosure disclose an interface test and electromagnetic lock replacement method, device, electronic equipment and readable medium. A specific embodiment of the method comprises: generating an atomized interface configuration file sequence corresponding to test request information; loading an environment variable pool from a preset storage; sequentially for each atomized interface configuration file in the atomized interface configuration file sequence, performing the following test steps: injecting the environment variable pool and the operation configuration parameter information in the atomized interface configuration file into the execution context of an external test script file; updating the current environment variable pool; initiating an operation request to the electromagnetic lock of the cabinet access control equipment; in response to determining that each interface test data generated indicates that the lock control operation test fails, controlling the relay and lock replacement mechanical arm on the cabinet access control equipment to replace the electromagnetic lock with a backup electromagnetic lock. This embodiment reduces the number of times the cabinet door cannot be normally opened or closed or the electromagnetic lock is replaced by mistake.

The present invention discloses a tamper-proof autonomous driving data recording method, system, medium, and product, comprising: obtaining a time-stamped data set and image during the activation period of the autonomous driving system at a preset fixed frequency; dividing the obtained data set and image each time according to a preset time period to obtain data sets and images for multiple preset time periods; packaging the data sets and images for the multiple preset time periods into multiple record files; calculating a composite hash value, time, and file sequence number for each record file; combining each record file and the corresponding composite hash value, time, and file sequence number into a plaintext; encrypting each plaintext according to a preset access control policy and a system public key to obtain a ciphertext corresponding to each plaintext; and storing the ciphertext. The present invention allows users to obtain only the plaintext content within their authority without being aware of it, effectively preventing the record files from being tampered with or deleted.

The invention discloses an MP4 video file breakpoint continuation method, which comprises the following steps of: constructing a standard MP4 packaging structure, and fixing a metadata container MOOV at a reserved position at the tail of a file; after the first recording is finished, a current complete MOOV is generated and overwritten to a fixed position at the tail of the file, and resuming information is recorded and comprises a file serial number and a suspension frame serial number; analyzing the secondary recorded file, reading the content of the target file and the MOOV according to the resuming information, analyzing a sample table box STBL based on the MOOV to obtain the information of all frames of the current MP4 file, generating a frame information linked list of the current file, and judging the state of the file; overwriting the data based on a file state application continuation strategy, obtaining a file offset corresponding to a suspension frame through a suspension frame serial number and a frame information list, starting overwriting, and updating the frame information list; and generating the MOOV content according to the frame information list, judging whether the initial position and the size of the suspension frame have coverage or an intermediate interval with the original frame, and updating the resume information after processing.

The present disclosure relates to the technical field of big data, and specifically discloses a file transmission method, a file transmission system, an electronic device and a storage medium. The method comprises the following steps: receiving a plurality of slice files of a first to-be-received file sent by a file sending end and original slice summary information of a plurality of split data segments of the plurality of slice files in the first to-be-received file; generating slice sequence information corresponding to the plurality of slice files according to the slice summary information of the plurality of slice files and the original slice summary information of the plurality of split data segments; converting the plurality of slice files into a second to-be-received file according to the slice sequence information; and if second file summary information of the second to-be-received file matches first file summary information of the first to-be-received file, determining the second to-be-received file as a target received file. The method can effectively avoid the situation of accidental loss of file data content or disorder of slice file sequence in the file transmission process, and ensures the stability of file transmission.

This invention provides an optimized method and terminal for file merging. It includes: acquiring small files to be merged, where the file size is below a first preset threshold; sorting the small files based on their data writing order to obtain an ordered file sequence; allocating the small files in the ordered file sequence to multiple merging groups according to a second preset threshold; and for each target small file in a merging group, reading and merging the target small files based on their arrangement order in the ordered file sequence to generate a merged file. This invention achieves sequential reading and zero-fragment merging by sorting according to the writing order and flexibly grouping the entire file, significantly improving reading efficiency, reducing system overhead, and solving the problems of low efficiency and excessive fragmentation in traditional methods.

This application provides an automated code repository generation method, electronic device, and program product, relating to the field of software design and development. The method includes: acquiring functional specification information; generating corresponding functional subtrees based on the functional specification information; clustering nodes in the functional subtrees into multiple functional modules based on the cohesion principle, and generating a modular functional diagram; mapping the functional modules in the modular functional diagram to file structures, generating an enhanced file structure diagram; modeling data flows between functional modules and file sequence dependencies within functional modules based on the enhanced file structure diagram to generate a repository planning diagram; and generating code files using a test-driven development process based on the topological order determined by execution dependencies to form a code repository. This method enhances consistency assurance from high-level functional planning to low-level code implementation, improving the modular quality and maintainability of the code repository generation process.

The embodiment of the present application discloses a file reading and writing method and device, relates to the technical field of storage, and solves the problem of low reading efficiency. An acceleration device is added to the existing system, the data of the file sequence is read and written in parallel through the cooperation of the acceleration device and the storage node, and the reading and writing efficiency is effectively improved.

The utility model relates to the technical field of file sequence identification, in particular to an intelligent file sequence identification device for batch operation, which comprises a file rack, the lower surface of the file rack is fixedly connected with a base, the upper surface of the file rack is fixedly connected with a top frame, and the upper surface of the base is fixedly connected with a rack plate groove I; a second rack plate groove is fixedly connected to the upper surface of the top frame, a scanning frame is slidably connected to the interior of the base and the interior of the top frame, a motor is fixedly connected to the outer wall of the scanning frame, the output end of the motor is fixedly connected with a first gear, and the first gear is meshed with the first rack plate groove. According to the utility model, the motor drives the gear I and the synchronizing wheel I to rotate and drives the synchronous belt and the synchronizing wheel II to rotate, so that the gear II rotates, the gear I and the gear II synchronously rotate and move in the rack plate groove I and the rack plate groove II respectively, the scanning frame and the scanner are driven to move, labels on the outer walls of the file boxes are scanned, and file sequence information is identified in batches and recorded and stored. And identification efficiency is improved.

This application relates to a data storage method, apparatus, device, readable storage medium, and program product. The method includes: first, when generating a sorted string table (SSTable) file, obtaining the current data input mode, including normal mode and bypass insertion mode; then, generating SSTable file sequence numbers according to the data input mode; finally, when merging multiple SSTables, determining the order of the multiple SSTable files based on their sequence numbers, and storing the data according to the determination result. This method enables the determination of the order of data within multiple SSTable files during merging by using their respective sequence numbers.

The application provides a video selection method, device, system, electronic equipment, computer readable medium and program product. A specific embodiment of the application comprises: determining, from a target index file sequence representing segments in a target video, an index file representing a segment whose time period intersects with a selection time period, to obtain a candidate index file sequence; determining a starting sub-segment and a terminal sub-segment corresponding to the selection time period according to the length of a sub-segment in each segment represented by the candidate index file sequence; and generating a selection index file sequence representing a target selection video from the starting sub-segment to the terminal sub-segment. The application combines a rough selection process corresponding to the candidate index file sequence and a fine selection process of the starting and terminal sub-segments, realizes cross-index file video selection, and improves the accuracy of the target selection video.

The invention discloses a ransomware defense method based on white list file honey points and related equipment. The method comprises the following steps: generating a file honey point set; the file honey point set comprises a basic bait file, a ransomware encryption white list file and a white list bait file, and attributes of the ransomware encryption white list file and the white list bait file are similar; when it is monitored that files in the full system files are accessed, a file operation event is generated; screening the file operation events according to the honey point monitoring list to obtain a target monitoring event, and performing access behavior serialization on target file honey points in the target monitoring event to generate a target operation file sequence; and performing ransomware detection according to the target operation file sequence, and if the ransomware detection result determines that the program accessing the target file honey point is ransomware, terminating the access process of the ransomware to the total system file. The ransomware can be accurately captured, false alarms of normal software are reduced, and the method can be widely applied to the technical field of computers.

The present disclosure provides a multimedia file playing method and apparatus for a rotatable device. In some embodiments, the method includes grouping, in a level-by-level grouping manner and based on a specified grouping parameter sequence, files in a multimedia file library, to obtain a plurality of groups of files. Different parameters in the specified grouping parameter sequence correspond to different grouping granularities. The method further includes generating a sub file sequence for each height-width ratio type in each group of the plurality of groups of files. The height-width ratio type includes a horizontal screen type, a vertical screen type, and a square screen type. The method further includes generating and playing a file playing sequence according to a received file playing instruction, and based on sub file sequences of a corresponding group of the plurality of groups of files and a principle of minimum number of device rotations.

Examples of the present disclosure describe systems and methods for UDP file serialization. In an example, a file received at a first device in an OWT system is separated into a plurality of data blocks. Each data block is further separated into a plurality of data segments. Metadata associated with the file is inserted into each of the data blocks and each of the data segments. Comprising the data segments and the constituent data blocks are transmitted to a second device in the OWT system. The second device uses the metadata in the data blocks and the data segments to reconstruct the file. In some examples, a data loss mitigation policy is implemented to mitigate data packet loss and data packet corruption during processing and transmission.

Examples of the present disclosure describe systems and methods for UDP file serialization. In examples, a file received at a first device in a OWT system is separated into multiple data chunks. Each of the data chunks is further separated into multiple data segments. Metadata associated with the file is inserted into each of the data chunks and each of the data segments. Data packets that comprise the data segments and compose the data chunks are transmitted to a second device in the OWT system. The second device uses the metadata in the data chunks and the data segments to reconstruct the file. In some examples, data loss mitigation strategies are implemented to mitigate data packet loss and data packet corruption during processing and transmission.

Embodiments of the present disclosure disclose an interface test and electromagnetic lock replacement method, device, electronic equipment and readable medium. A specific embodiment of the method comprises: generating an atomized interface configuration file sequence corresponding to test request information; loading an environment variable pool from a preset storage; sequentially for each atomized interface configuration file in the atomized interface configuration file sequence, performing the following test steps: injecting the environment variable pool and the operation configuration parameter information in the atomized interface configuration file into the execution context of an external test script file; updating the current environment variable pool; initiating an operation request to the electromagnetic lock of the cabinet access control equipment; in response to determining that each interface test data generated indicates that the lock control operation test fails, controlling the relay and lock replacement mechanical arm on the cabinet access control equipment to replace the electromagnetic lock with a backup electromagnetic lock. This embodiment reduces the number of times the cabinet door cannot be normally opened or closed or the electromagnetic lock is replaced by mistake.

The invention provides a file sorting method, and relates to the technical field of computer software, in particular to the technical field of file sorting. According to the specific implementation scheme, file names of all files to be sorted are analyzed, and digital parts of all the file names are obtained; respectively determining the number type of each number part; and sorting the to-be-sorted files based on the number types of the file names of the to-be-sorted files to obtain a first file sequence. According to the method and the device, the numbers in the file names can be identified more accurately, so that an accurate file sorting result is obtained.

The invention belongs to the field of image processing, particularly relates to a DICOM file sequence processing method and a medical image analysis method and system, and aims at solving the problems that an existing parallel processing technology is low in resource utilization rate and long in processing time consumption in a heterogeneous environment. The method comprises the following steps: acquiring and preprocessing an original DICOM file sequence; performing parallelism degree adaptation analysis based on the total number of the images and current available computing resources, and generating a dynamic subsequence division strategy which determines the total number of subsequences and the number of non-uniform images of each subsequence; non-uniformly dividing the image sequence into a plurality of image subsequences according to the strategy; distributing each image sub-sequence to an independent image processing thread for parallel execution, and monitoring a load in real time so as to finely adjust task distribution on line; and when any thread completes calculation, dynamic integration is triggered, processing results are combined according to the sequence of the processing results in the original sequence, and a final processing image sequence is generated. The overall processing time is remarkably shortened, and the processing efficiency and the user experience are improved.

The invention provides a file printing system and method, computer equipment and a readable storage medium, and relates to the field of file printing. The system comprises a server, a front-end browser and a printer, wherein the server side is used for obtaining a to-be-printed file list in response to a file printing request; grouping the file list according to target information to obtain a plurality of file groups, generating a task list, and setting task states corresponding to the file groups in the task list to be to-be-merged; creating an asynchronous parallel merging task, and performing file merging on each file group according to a file sequence in the group based on the task list; in the task list, modifying the task state corresponding to the merged file group into merging completion; and sending the combined file groups to the printer or the front-end browser so as to realize file printing.