33 results about "Data location" patented technology

This disclosure provides a data processing method and apparatus. The method, during the migration of a metadata table from a source cluster to a target cluster, detects a write operation on the metadata table, performs a checkpoint operation on the metadata table to back up the existing metadata information under the checkpoint operation, migrates the existing metadata information to the target cluster, and then replays the existing metadata information based on the corresponding log files after the write operation to obtain the target metadata information after the write operation. Finally, after the metadata table migration is complete, the corresponding data file is migrated to the target cluster. This technical solution avoids data location confusion during data migration and does not affect normal read / write operations for users.

The present application discloses a load-balanced collaborative repair method and device for coded data, and relates to the technical field of data storage and recovery. The method include performing encoded collaborative repair on data of a damaged disk using a collaborative repair algorithm BROR according to characteristics of the damaged disk and data characteristics of intact disks; and calculating locations of data required to be transmitted by each disk using a load balancing algorithm BROR-LB based on encoded collaborative repair results, implementing data balance among nodes, and completing load-balanced collaborative repair of coded data. The present application solves problems of low data recovery efficiency and unbalanced system load in large-scale storage systems.

Disclosed herein are system, method, and computer program product embodiments for improving data transfer systems by using a data loader system configured to utilize a thread pool to encrypt and send data formatted according to a schema. A data loader system may receive identification of source data at a transfer source system that is formatted according to a source schema. The data loader system may further receive identification of a target data location at a transfer target system. Data at the target data location may be formatted according to a target schema. The data loader system may validate the source and target schemas by comparing a field in the source schema to a field in the target schema. In response to the validation, the data loader system may encrypting and transfer the source data to the target data location.

This invention discloses a method for inspecting the stability of open-pit mine slopes, an inspection device for inspecting the stability of open-pit mine slopes, an inspection equipment, and a computer-readable storage medium. When the inspection equipment arrives at the target monitoring point, the method first confirms the monitoring point through identity recognition and loads the historical measurement data of the monitoring point from the local cache. Then, displacement data, tilt data, location data, and image data are synchronously collected based on a unified timestamp to form raw data records. Next, the raw data records are preprocessed and compared with historical measurement data to calculate the deformation rate and change trend. Finally, the risk level is determined by matching the deformation rate and change trend with a preset graded early warning threshold, and the corresponding graded early warning and data upload operations are executed accordingly. This realizes real-time on-site monitoring and intelligent early warning of slope stability based on mobile inspection equipment.

The application discloses a Beidou power internet of things sensor identification coding method, system, device and medium, relates to the technical field of power internet of things, and the method comprises the following steps: acquiring the home data, position data and attribute data of a target power internet of things sensor; sequentially performing basic layer coding and temporary authorization layer coding on the home data to obtain home coding information; extracting a power area grid code and Beidou longitude and latitude coordinates of the sensor from the position data to generate position coding information; respectively converting different categories of data in the attribute data into fixed-length sub-codes, splicing the fixed-length sub-codes to obtain fusion coding information; and sequentially splicing the home coding information, the position coding information and the fusion coding information into a coding prefix, taking real-time Beidou information of the sensor as a coding suffix to obtain a target identification code, thereby improving the operation and maintenance efficiency of the power internet of things device.

The application discloses a Beidou power internet of things sensor identification coding method, system, device and medium, relates to the technical field of power internet of things, and the method comprises the following steps: acquiring the home data, position data and attribute data of a target power internet of things sensor; sequentially performing basic layer coding and temporary authorization layer coding on the home data to obtain home coding information; extracting a power area grid code and Beidou longitude and latitude coordinates of the sensor from the position data to generate position coding information; respectively converting different categories of data in the attribute data into fixed-length sub-codes, splicing the fixed-length sub-codes to obtain fusion coding information; and sequentially splicing the home coding information, the position coding information and the fusion coding information into a coding prefix, taking real-time Beidou information of the sensor as a coding suffix to obtain a target identification code, thereby improving the operation and maintenance efficiency of the power internet of things device.

This application discloses a personnel rescue method based on low-frequency magnetic field communication, comprising: real-time acquisition of vital sign information of the person to be rescued to construct personnel status information; encoding the personnel status information to generate personnel status data; real-time modulation of a low-frequency magnetic field signal using the personnel status data to generate a corresponding real-time personnel status signal and radiating it outward; real-time reception of the personnel status signal using multiple magnetic field receiving units not on a straight line; and determination of the location, identity information, and vital status of the person to be rescued based on the personnel status signal. This application utilizes the physical characteristic of low-frequency magnetic field signals having minimal attenuation when penetrating obstacles such as rock layers and soil, combined with improved pulse coding technology, to achieve simultaneous detection of vital sign data, location, and identity information of trapped personnel, providing accurate and powerful reference information for optimizing rescue plans and significantly improving the efficiency of personnel rescue.

A data synchronization method and related products are disclosed, applied in the field of storage technology. In this application, both a first device and a second device store file data. The first device can manage the reading and writing of files on multiple devices at the data block granularity based on extended metadata of the file. The extended metadata includes the last modification time corresponding to multiple data blocks of the file. When a file on the second device is modified, the second device indicates the location of the modified data and the modification operation time to the first device. The first device determines the target data block involved in the modification based on the modified data location and compares the last modification time and modification operation time of the target data block. If the operation time is later than the last modification time, the first device obtains the updated data from the second device and updates the file on the first device. This application merges modifications to files by devices at the data block granularity, supports collaborative updates of file data by multiple devices, and solves the problem of additional storage space occupation during conflicting modifications.

A GIS field-electrical fusion real-time condition awareness and early warning system and method, comprising an embedded synchronized signal acquisition and measurement unit (100) and an industrial personal computer (200), wherein a simulator (201), a partial discharge source locator (202), and an early warning device (203) are deployed on the industrial personal computer (200); when the embedded unit (100) detects, according to a strongly correlated feature, that an electromagnetic field signal within a GIS comprises a partial discharge signal, the embedded unit (100) obtains a full time-domain waveform plot comprising a time-domain waveform plot and a frequency-domain waveform plot of the partial discharge signal; the simulator (201) performs coarse positioning on a partial discharge source on the basis of the full time-domain waveform plot of the GIS partial discharge, and performs simulation-enhanced computation by using a coarse positioning result as an initial injection point, so as to obtain simulation-enhanced data for the partial discharge source; the partial discharge source locator (202) performs iterative searching on a measured discharge intensity calculated according to the full time-domain waveform plot and a simulation-enhanced result, so as to obtain an actual discharge location of the partial discharge source; and the early warning device (203) performs early warning on the basis of a full waveform in a time domain and early warning information comprising the actual discharge location of the partial discharge source.

This application relates to the field of smartwatch technology, and more particularly to a multi-dimensional child protection method, device, storage medium, computer program product, and smartwatch. The method acquires multi-source physiological and behavioral monitoring data, location information, and scene clue information from the smartwatch, and generates a dataset to be analyzed based on these data. Based on the dataset, the current state of the wearer is determined, and the data acquisition strategy for the multi-source physiological and behavioral monitoring data is adaptively adjusted according to the current state. The dataset is then preprocessed to obtain a processed dataset. A fusion representation is constructed from the processed dataset to obtain fusion features, and the target event type and corresponding handling instructions are determined based on these features. Based on the handling instructions, the smartwatch outputs interactive prompts and sends alarm information associated with the target event type to the monitoring terminal.

Apparatus and methods for restricting egress of sensor data from a feature detection process to an interactor process. The sensor data can include audio data, image data, location data, and / or other sensor-based data. The feature detection process is sandboxed to restrict the egress of data from the component. Once the feature detection process determines that a feature has been detected in sensor data, the interactor process can be provided with the sensor data and / or additional sensor data. The sensor data and / or the additional sensor data can be provided directly by an operating system and not via the feature detection process. In some implementations, a notification can be rendered once data is sent to the interactor process. The notification can indicate that the sensor data is being accessed. Rendering of the notification can be suppressed when only the sandboxed feature detection process is accessing the sensor data.

The application discloses a tank truck multi-source heterogeneous data integration management and intelligent analysis method and system, relates to the technical field of tank truck transportation process data analysis, and generates tank truck data records by acquiring tank truck task data, loading and unloading connection data, vehicle state data, measurement data, position data, process data and intervention data; generates a process relationship diagram according to the connection relationship of the loading and unloading related objects, and divides original observation sections and intervention response sections according to the time of intervention actions; identifies liquid level, pressure, valve, lead seal, measurement and parking state changes from the original observation sections, generates candidate abnormal intermediate states in combination with the connected loading and unloading passages, the task activation state and the operation phase permission state; determines non-cancellable intermediate states according to the time point coverage results and subsequent explanation results, and generates tank truck state evolution analysis results through intermediate state locking records and read-only associated records; and reduces the reverse coverage of abnormal intermediate states by subsequent process or intervention response data.

This application relates to a target data localization method, apparatus, and storage medium. The method includes: traversing a vector image matrix row by row based on matrix row indexes, determining the column index of the first vector data in each row based on preset conditions, and storing them sequentially; traversing the vector image matrix column by column based on matrix column indexes, determining the row index of the second vector data in each column based on the preset conditions, and storing them sequentially; determining the row and column coordinates of the target data based on each column index and its corresponding storage order, and each row index and its corresponding storage order, wherein the target data is determined based on the first vector data and the second vector data, thereby achieving target data localization and solving the problem of high memory resource consumption in target data point localization methods in related technologies.

This invention discloses an energy-saving control method and device for a bird tracker based on sensor fusion. The method uses an accelerometer to collect triaxial acceleration data to identify the bird's behavioral state, activating the heart rate and blood oxygenation sensors only when the bird is stationary and deactivating them during movement. It combines illumination data, location information, and the device's real-time time to determine signal obstruction environments and dynamically adjusts the operating strategies of the positioning and communication modules. Before positioning calculation, it detects the number of satellites in a low-power mode, performing full positioning only when the target is met. Power management independently controls the on / off operation of the positioning, communication, and storage modules, with standby power supplied only to the real-time clock module. The corresponding device includes a main control unit, a sensor data acquisition and tracking unit, and an energy-saving control unit, integrating multiple types of sensors and a power management module. This invention significantly reduces the tracker's ineffective power consumption and extends its battery life in the field through multi-sensor fusion and dynamic energy-saving scheduling, adapting to the long-term monitoring needs of birds.

The application relates to the technical field of wireless communication, and discloses an origin avoidance method, an origin avoidance device, electronic equipment and a storage medium. The origin avoidance method comprises the following steps: firstly, detecting a phase modulation signal, identifying data positions at which a signal trajectory passes through an origin of a constellation diagram, and forming an origin position set; then, for each data position in the set, a signal trajectory direction at the position is acquired, and a correction vector orthogonal to the direction is determined according to the signal trajectory direction, and the correction vector is superimposed on a signal at the corresponding position; after superimposition processing of all data positions in the set is completed, a phase modulation signal after origin avoidance is output. The application can effectively maintain original modulation accuracy while correcting the signal trajectory passing through the origin.

Methods and systems synchronize data between multiple applications and devices. A method comprises determining a set of data locations of a first document format of a first document generated by a first application, transmitting a first application synching configuration comprising the set of data locations to a synching server; and responsive to determining a changed value at a data location, transmitting a first notification, comprising the changed value and one or more of: (i) the data location; and (ii) a corresponding data location of a second document format of the second document generated by a second application, to the synching server.

The present application discloses a processing system for high efficiency operation by using cache mirror data, which comprises a fetcher, at least one management processor and a cache memory. The fetcher fetches a plurality of data to make the cache memory copy at least one mirror data. When at least one data reading device outputs at least one reading request, the management processor analyzes the data position corresponding to the request and transmits the corresponding mirror data. When the data reading device outputs an editing request, the management processor analyzes the data position corresponding to the request and outputs a key and the corresponding mirror data to the data reading device for editing, and the management processor outputs a change signal to the cache memory to update the change content of the remaining corresponding mirror data to ensure the correctness of subsequent data processing and high operation rate.

A data synchronization method and a related product, which are applied to the technical field of storage. In the present application, both a first device and a second device store data of a file, the first device can manage reading and writing of the file on a plurality of devices at the granularity of data blocks on the basis of extended metadata of the file, and the extended metadata comprises last modification times corresponding to a plurality of data blocks of the file. When the file on the second device is modified, the second device indicates a data location of the modification and an operation time of the modification to the first device. The first device determines, on the basis of the data location of the modification, a target data block involved in the modification, and compares the last modification time of the target data block with the operation time of the modification. If the operation time is later than the last modification time, the first device acquires updated data from the second device and updates the file on the first device. In the present application, modifications to a file by a device are merged at the granularity of data blocks, and collaborative update of file data by multiple devices is supported, thereby solving the problem of additional occupation of storage space during conflicting modifications.

A device may include a storage medium, a cache medium, a buffer medium, and at least one control circuit configured to perform one or more operations including receiving a first request to access the storage medium, accessing, based on the first request, the cache medium, copying, from a portion of the storage medium to the buffer medium, data, modifying, based on the copying, an availability of the at least a portion of the storage medium, receiving a second request to access the storage medium, and accessing, based on the second request, the buffer medium. The one or more operations may include determining a location of data associated with the second request, and accessing, based on the determining, the buffer medium. The one or more operations may include receiving information about a location of data associated with the second request, and accessing, based on the information, the buffer medium.

This invention discloses a file organization and indexing method for UAV flight data. The method comprises the following steps: S1: Write the received flight data into a data file and generate an index file record and an event log file; S2: Read and cache the index file, select a playback file, and enter playback mode; S3: Read the first data record and calculate the time interval for the next data record; S4: Use binary search based on the index file to locate the time; S5: Set the data file read position according to the result of the binary search and perform local parsing; S6: Parse the event log file and locate the time using event parameters; S7: Locate the data position using the index file based on the timestamp. This method employs a dual-file structure of data file and index file, and uses a binary search algorithm for time location, thus eliminating the need for sequential scanning from the file header. It can determine the position near the target time within logarithmic time complexity, significantly reducing I / O and parsing overhead, and is suitable for long-duration flight recordings.

The application provides a health monitoring method, system and device based on intelligent interaction, the method comprises the following steps: sensing a gesture action of a user and matching the gesture action with a service request in a preset instruction library; encapsulating the matched service request, physiological data of the user at the current moment, location information and a current timestamp into a message; and sending the message to a target robot, so that the target robot executes corresponding instructions according to an analysis result of the message. The application can sense a gesture action of a user and match the gesture action with a preset instruction library, collect real-time physiological data and location information of the user, package the physiological data and the location information into a message and send the message to a target robot, so that service demands of the user are quickly and accurately converted into specific instructions, personalized health services are provided for the user, and user experience is improved. In addition, the user can conveniently call the robot without voice or key input, and the convenience of interaction is greatly improved.

The application discloses a composite data stream visualization method based on VTK, which comprises the following steps: firstly, according to the operation item input by a user, a corresponding operation node is newly established, and operation parameters set by the user are read; then, according to the data position relied on by the operation item, the newly established operation node is connected into an operation network, and according to the data position relied on by the operation node and the data set label, a plurality of data nodes to be processed by the operation item are searched; then, according to the data nodes to be processed, the number of internal pipes of the operation node is determined, and each internal pipe is allocated to a data node to be processed; then, according to the data node to be processed by each internal pipe, a VTK visualization operation is performed on the data node to be processed by each internal pipe by using a preset visualization processing algorithm, and a corresponding output data node is generated; finally, a display node corresponding to the data node generated by each internal pipe is established, and the established display node is transmitted to a specified renderer and a rendering window for rendering and display, so that the visualization of the processing result of the operation item is realized.

Data locality-aware load balancing (e.g., using a computerized tool), is enabled. For example, a system can comprise at least one processor, and at least one memory that stores executable instructions that, when executed by the at least one processor, facilitate performance of operations. The operations can comprise, in response to receiving a request associated with an object, determining, using a data locality cache, a node in an object storage in which the object is stored, and in response to determining the node, establishing a communicative connection between a client device associated with the request and the node.

Processor (1800), comprising: a plurality of cores (1802) for executing instructions for processing sparse matrices or parts thereof (996); an interconnection network (1812) for connecting the plurality of cores (1802) to one or more memories (1814); wherein a core of the plurality of cores (1802) processes a plurality of sparse source vectors connected to a sparse source matrix, the core comprising a circuit (918) for compressing a first sparse source vector (997) comprising a first plurality of packed data elements with zero values ​​and a second plurality of packed data elements with non-zero values ​​to produce a first compressed result vector (998) comprising the second plurality of packed data elements with non-zero values ​​specified in a mask (928), the mask (928) having a first bit value at each position in the mask (928)which corresponds to a position of one of the packed data elements with zero values ​​in the first sparse source vector (997), and comprises a second bit value at each position in the mask (928) corresponding to a position of one of the packed data elements with non-zero values ​​in the first sparse source vector (997); wherein the circuit (918) serves to compress the first compressed result vector (998) by arranging the packed data elements with non-zero values ​​of the first plurality of packed data elements at consecutive packed data positions in the first compressed result vector (998) without changing any relative order of the packed data elements with non-zero values; and wherein the core transfers the first compressed result vector (998) via the interconnection network (1812) to a memory of the one or more memories (1814).

The application discloses a rescue system and method for a vehicle in an unmanned area scene, and belongs to the technical field of vehicles. The rescue system comprises a multi-modal data acquisition device configured to acquire a plurality of environmental state data of the vehicle, wherein the plurality of environmental state data comprises at least two of the following: driving parameter data, vehicle body state data, surrounding environment data, vehicle occupant state data and position data; and a data processing device configured to determine whether the vehicle is in a distress state according to the plurality of environmental state data. If it is determined that the vehicle is in the distress state, an alarm device is started and a countdown is simultaneously started. If the countdown ends, a communication link for sending a distress message is established through a communication device. The application can improve the rescue efficiency.

The application provides a drawing size extraction method and device, electronic equipment and a storage medium. The method comprises the following steps: obtaining to-be-extracted drawing data, extracting data elements in the to-be-extracted drawing data and data positions of each data element; classifying the data elements to obtain size data and bubble data, determining a size direction of each size data, determining a bubble size association result based on the size direction and the data positions of all data elements, and generating a size extraction result based on all size data, bubble data and the bubble size association result. The method can automatically extract sizes from a PDF drawing, accurately associate bubbles with corresponding size data, and has higher accuracy, higher efficiency and shorter time consumption.

The application relates to the technical field of electronic equipment, and discloses a handwriting pen and a constellation identification method, the handwriting pen comprising: a pen body and a pen tip; the pen body is internally integrated with a data acquisition module and a data processing module; the data acquisition module is electrically connected with the data processing module. The posture data, position data and time data of the handwriting pen are acquired through the data acquisition module, the handwriting pen is changed from a single input tool to a device with data acquisition and processing capabilities, the data processing module calculates the pointing vector of the handwriting pen based on the acquired posture data, position data and time data, converts the pointing vector into target coordinates in a celestial coordinate system, matches the target coordinates with a pre-stored star map database, determines the constellation information output, solves the problem that the existing handwriting pen does not have a constellation identification function, and compensates for the single-function defect of the existing handwriting pen.

The present application relates to the technical field of intelligent monitoring, in particular to a multi-target pan-tilt dynamic tracking method and system. The system comprises: a perception module for collecting multi-source perception data of multiple targets in a scene; a priority evaluation module for performing priority quantitative calculation and dynamic sorting of each target based on task requirements, perception data and real-time state; a pan-tilt control module for determining whether to trigger pan-tilt switching according to the target priority sorting result through a preset switching decision algorithm, and controlling the pan-tilt to perform steering and focusing actions; and a data storage module for storing target priority data, position coordinates and switching logs. Before triggering switching, the three-dimensional coordinates of the original target are obtained and stored in the data storage module, and when the recovery condition is met, the three-dimensional coordinates of the original target are retrieved from the data storage module to restore tracking. This technical solution can improve the tracking efficiency and accuracy of the pan-tilt in a multi-target scene.

This invention discloses a method for managing intelligent IoT devices based on multimodal perception, relating to the field of intelligent IoT device management technology. The method includes: receiving image data, audio data, location data, environmental data, device operation data, and management task data; performing alignment and association processing based on device identifiers, acquisition time information, and spatial location information; and performing semantic normalization processing in conjunction with management task data to generate a basic device management dataset. In this invention, by performing device instance association, time alignment, spatial mapping, semantic normalization, field parsing, attribute classification, integrity checking, missing field completion, and abnormal field marking processing on image data, audio data, location data, environmental data, device operation data, and management task data, a unified basic device management dataset is formed, thereby improving the uniformity of device management data, the clarity of status associations, and the continuous perception capability of the management process.