1376 results about "Bitmap" patented technology

The invention provides a landslide displacement space-time prediction method, device and system and a storage medium, and relates to the technical field of engineering geology, and the landslide displacement space-time prediction method comprises the steps: obtaining the historical landslide multi-field time sequence monitoring data of each monitoring point of a to-be-measured region, constructing a monitoring point bitmap based on the historical space related data, constructing a time sequence characteristic matrix according to the historical displacement time sequence, the historical landslide external disturbance factor time sequence and the monitoring point bitmap; inputting the time sequence characteristic matrix and the monitoring point bitmap into a trained landslide displacement space-time prediction model to obtain a landslide displacement space-time prediction result; the landslide displacement space-time prediction model is constructed based on an improved GCN network and an improved BiLSTM network; according to the method, the space-time prediction precision of landslide displacement can be remarkably improved by combining the space correlation data and the external disturbance factors and utilizing the capability of the deep learning model.

The invention discloses a power distribution switchgear remote monitoring and maintenance method based on the Internet of Things, relates to the technical field of power system operation and maintenance, and solves the problems that in an existing power distribution system, the edge anomaly recognition capability is weak, a control feedback chain is not closed, and multi-terminal control conflicts occur frequently. According to the scheme, a structured time sequence index of multi-source data is constructed on edge equipment, and equipment state drift is judged based on residual function included angle change; a control command management mechanism of a unique transaction identifier is introduced, a dual-channel feedback structure and a control mutual exclusion stack are combined, and a remote command consistency control chain is established; a hidden danger propagation chain is constructed on the cloud based on the abnormal Boolean bitmap and the topological relation, and a multi-node state linkage analysis and risk priority intervention strategy is achieved; according to the invention, the abnormity identification accuracy, the remote control stability and the system-level operation and maintenance response efficiency of the power distribution switch equipment are obviously improved.

The invention discloses a PDF (Portable Document Format) drawing recognition and information structured extraction method. The method comprises the following steps: generating a high-resolution bitmap through image preprocessing; positioning and classifying a text region, a table region and a symbol region in the drawing based on a target detection model of transfer learning; hough transform is combined with SIFT feature matching to identify engineering symbols, and sub-pixel positioning is realized through an RANSAC algorithm; after the oblique text is corrected through affine transformation, the content is extracted through OCR; reconstructing a table structure based on OPTICS clustering and projection analysis; constructing an RDF knowledge graph according to a coordinate association rule; and using U-Net difference to detect and position an omission area and complementing the omission area. According to the method, deep learning and image processing technologies are fused, the problems of low rotating text recognition rate, table structure loss and semantic association deficiency in a traditional method are solved, through lightweight model compression and TensorRT acceleration, the analysis accuracy is remarkably superior to that of the traditional method, and the method can be widely applied to the fields of constructional engineering, petrochemical engineering and the like and has wide application prospects. And the drawing information processing efficiency and the data integrity are improved.

The invention discloses a multi-modal remote sensing data-based building target damage assessment method, which comprises the following steps of: constructing a text-guided two-stage building target classification network which comprises a CLIP text encoder, a Unet image encoder and a text image fusion decoder, inputting image text description information and pre-disaster / post-disaster dual-temporal remote sensing images, and carrying out multi-modal remote sensing data-based building target damage assessment on the pre-disaster / post-disaster dual-temporal remote sensing images; a CLIP text encoder module extracts text description information features, a Unet image encoder extracts image features of pre-disaster / post-disaster dual-phase remote sensing images, a text image fusion decoder fuses the text description information features and the image features, and building target damage is classified according to the fused features; a building target damage assessment module fusing building vector data and post-disaster remote sensing image data is constructed, the building vector data is converted into a bitmap of a pre-disaster remote sensing image by using the building vector data constructed by an official geographic information base or an OSM base, the bitmap is used as a pre-disaster image in a text-guided two-stage building target classification network BCL-Unet, and the pre-disaster remote sensing image is used as a pre-disaster remote sensing image. And carrying out building target damage grade classification by using a text-guided two-stage building target classification network BCL-Unet. According to the invention, a feasible technical scheme is provided for efficient detection of post-disaster building target damage.

The invention discloses a distributed storage system, a space allocation method and device, electronic equipment and a nonvolatile storage medium, and is applied to the technical field of storage. The method comprises the steps that a storage space is divided into a plurality of storage areas with the same storage capacity and continuous addresses in advance, and the corresponding relation between storage bitmaps and the storage addresses of corresponding storage units is persisted to the storage space; the bits of the storage bitmap indicate whether the state of the corresponding storage unit is an idle state or an allocated state. And in a storage node starting process, determining a target storage area in an idle state in the storage space according to the corresponding relationship, and loading bitmap information corresponding to the target storage area into a memory. According to the method and the device, the problems of excessive memory occupation and low service recovery speed in related technologies can be solved, less memory can be occupied when the PB-level space is managed, meanwhile, the loading time during node restarting is shortened, and the recovery speed of node operation services is effectively improved.

The invention discloses a data backup method and device, a storage medium and a program product, and relates to the technical field of cluster storage, and the data backup method comprises the following steps: in response to a snapshot creation request, sending a snapshot generation instruction to a first cluster; the snapshot generation instruction is used for indicating the first cluster to determine a target volume and creating a first bitmap for the target volume; the first bitmap is used for identifying the copy state of the data in the target volume; creating a second bitmap for the source volume; wherein the second bitmap is used for identifying the first write-in state of the data after the snapshot is created in the source volume; executing a snapshot creation operation on the source volume to obtain a snapshot corresponding to the source volume; according to the snapshot and the second bitmap, data backup is realized, and the first bitmap and the second bitmap are updated, the source volume and the target volume of the snapshot are isolated on different clusters, when a cluster-level fault occurs, data recovery of the clusters can be realized, availability of partial functions of the clusters is ensured, and disaster recovery capability of the clusters is improved.

The invention relates to the technical field of message pushing, in particular to an SaaS (Software as a Service) intelligent concurrent pushing system which comprises a tenant flow monitoring module, a resource binding module, a lock-free object writing module, a handle layout construction module and a cache prefetching delivery module. According to the method, the high-frequency business object is identified by monitoring the flow characteristics of the tenants, and the complete Slab page is dynamically applied and bound to the thread exclusive local allocation buffer area, so that physical isolation of bottom layer resources is realized to eliminate global lock competition and context switching overhead in a multi-thread environment; lock-free memory writing is executed based on a privatized pointer, the object construction efficiency is greatly improved, a compact storage structure in which a bitmap is adjacent to a connection handle is constructed, a hardware cache prefetching mechanism is triggered by utilizing bitmap reading, connection data is loaded to a CPU cache line in advance, and the connection data is stored in the cache line. And the cache miss rate is reduced and the concurrent delivery performance of massive messages is remarkably improved by utilizing a memory locality principle.

There is provided an apparatus comprising at least one processor and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to receive, from an access node, an information indicating configured grant uplink resources for performing uplink data transmission to the access node; receive, from the access node, configuration information indicating a number of bits; transmit, to the access node, a dynamic indication comprising a bitmap of a length specified by the number of bits indicated by the configuration information, said bitmap indicating subsequent configured grant uplink resources which the apparatus will not use as unused configured uplink grant resources; and transmit, to the access node, a new dynamic indication, wherein the new dynamic indication cannot claim back unused configured grant uplink resources.

The embodiment of the invention provides a data migration method, an access processing method, a data migration system and electronic equipment. The data migration method is applied to a switch, the switch communicates with a plurality of memory devices in a memory pool based on an interconnection protocol, and each memory device is provided with a plurality of memory areas. When data migration needs to be carried out on a first memory area in a memory pool, a switch sequentially migrates a plurality of data pages obtained by dividing data in the first memory area into available second memory areas according to pages, and in the migration process, a page bitmap determined for the first memory region is utilized to record migration states of the plurality of data pages. By adopting the scheme, the problem of large-area fault of the server caused by the memory problem can be effectively solved, the page-level granularity is adopted to migrate the data in the first memory region page by page in the migration process, the access of the server to the first memory region is continuously processed in the migration process, and the influence on the performance of the server is reduced.

The invention discloses an index optimization and compression storage system and method for a large-scale literature set, and the method comprises the following steps: S1, collecting and preprocessing literature data, and generating a standardized text data set; s2, carrying out keyword semantic vector coding, and constructing a keyword semantic vector matrix; s3, constructing an initial Gaussian mixture model to obtain a clustering center, a covariance matrix and a weight; s4, introducing a sea elephant optimization algorithm to optimize clustering parameters, and outputting an optimal clustering result; s5, constructing a semantic clustering structure, and generating an index tree structure; s6, performing bitmap compression and inverted coding, and constructing an index table supporting Boolean logic; and S7, dynamically accessing the newly added literature, and completing incremental updating of the index structure. The method is used for improving the index construction efficiency and the storage compression rate of a large-scale literature set, and efficient and semantic literature retrieval service capable of being incrementally updated is achieved.

The invention discloses an identification and verification method and system for a secondary drawing of a transformer substation, and belongs to the technical field of image identification, and the method specifically comprises the steps: analyzing a CAD vector diagram, obtaining four-corner references and pixel coordinates of a scanning graph, building initial mapping of pixels and engineering millimeter coordinates by taking an engineering millimeter coordinate system as a reference, and generating a unified intermediate representation model; constructing a terminal strip parameterization template based on the vector anchor point set and the visual anchor point set; a composite deformation field is calculated through vector-bitmap-vector closed-loop rendering calibration, terminal row alignment and terminal sequence binding are completed in the composite deformation field, and a terminal pixel position-terminal sequence-engineering millimeter coordinate consistent mapping table is formed; comparing the topological netlist to obtain an electrical node corresponding table; and performing source decomposition on the terminal position residual error based on the composite deformation field and generating a self-adaptive tolerance band, and finally executing wiring verification by taking the self-adaptive tolerance band, the electrical connectivity and the serial number consistency as criteria and outputting a verification report.

Provided are a communication method and a communication device, the method being applicable to the field of communications, the method comprising: acquiring an initial cyclic shift value of an ith port in N ports corresponding to a sounding reference signal (SRS) resource and a first cyclic shift bias set corresponding to the N ports, where N is a positive integer, i is less than or equal to N, and N is a positive integer; the first cyclic shift bias set is associated with a first bitmap, and the length of the first bitmap is smaller than or equal to a maximum cyclic shift value; and sending the SRS according to the initial cyclic shift value and the first cyclic offset of the ith port in the first cyclic shift offset set. By means of the method, under the condition that a traditional UE exists in a communication system, the degree of freedom of cyclic shift jump of the target UE can be improved, and therefore the situation that the SRS sent by the target UE is interfered, and consequently the channel estimation quality is poor is avoided.

A user equipment according to one or more embodiments disclosed in the present specification can receive configuration information about a plurality of CSI-RS resources, measure CSI on the basis of one or more from among the plurality of CSI-RS resources configured through the configuration information, and transmit a CSI report including the CSI measurement result, wherein the CSI report can include a plurality of bitmaps related to the CSI measurement, a first bitmap from among the plurality of bitmaps is for reporting one or more CSI-RS resources selected for the CSI measurement from among the plurality of CSI-RS resources, and a second bitmap from among the plurality of bitmaps is for reporting positions of non-zero coefficients from among coefficients related to a CSI codebook for each of the selected one or more CSI-RS resources.

A transmission method and apparatus, a device, and a readable storage medium are disclosed. The method includes: sending, by a terminal, information for determining a position of a valid orthogonal basis and a coefficient of the valid orthogonal basis to a network side; wherein the information for determining the position of the valid orthogonal basis comprises at most two of spatial domain orthogonal basis, bitmap, or delay position. The method further comprises: receiving, by the terminal, first indication information that indicates the terminal not to send the spatial domain orthogonal basis and the delay position; sending the information for determining the position of the valid orthogonal basis to the network side comprises: sending the information for determining the position of the valid orthogonal basis to the network side, wherein the information does not comprise the bitmap, the delay position, and the spatial domain orthogonal basis.

The invention provides a display device and a sequence animation playing method, and the method can respond to a sequence animation playing instruction, obtain an updating period of a sequence animation, read a target bitmap object from a bitmap set associated with the sequence animation according to the updating period, and update an image frame displayed by an animation view according to the target bitmap object. Wherein the sequence animation comprises a plurality of continuous image frames, the bitmap set comprises a plurality of bitmap objects, the bitmap objects are used for representing the image frames of the sequence animation loaded into the running memory from the memory in advance, and the bitmap set is periodically reset according to the sequence animation stored in the memory; the target bitmap object is used for representing an image frame to be displayed by the animation view in the current updating period. According to the method, the bitmap set in the memory can be periodically loaded, the occupation optimization of the memory is realized, and the problem that the occupation of the memory is continuously increased when the sequence animation is played is solved.

The invention provides a data write-back method and device, equipment and a medium. The data write-back method and device are used for quickly and efficiently performing data write-back. In the method, an identifier of a cache page where data is written, a bitmap identifier and a writing timestamp are recorded in data information of a cache region, and the bitmap identifier is generated according to whether the data is written into each sub-storage position of the cache page after the data is written into the cache page; for any data information in the cache region, judging whether other data information of which the identifier and the bitmap identifier of the cache page are the same as those of the cache page and the bitmap identifier of the data information exists in the cache region or not; if yes, determining the data information reserved in the cache region according to the write-in timestamp of the data information and the write-in timestamps of other data information; the corresponding data is written back into the storage device based on the data information reserved in the cache region, so that invalid data can be prevented from entering a write-back process, and the write-back efficiency is quickly improved.

The invention provides a virtual machine live migration method and computing equipment. The method is applied to a host machine, and a virtual machine, a first execution body and a second execution body run in a processor of the host machine. Write permission bits of a plurality of data pages of the virtual machine are stored in the host machine. The processor is provided with a hardware setting function for a write permission bit, and the write permission bit of a first data page in the plurality of data pages is a first value indicating that the first data page is not writable. The method comprises the following steps: when a virtual machine performs write operation on a first data page, a processor modifies a write permission bit of the first data page to represent a writable second value of the first data page; the second executor updates a dirty page bitmap of the virtual machine according to the write permission bit of the first data page; the first executor determines a dirty page of the virtual machine according to the dirty page bitmap, notifies the second executor to modify a write permission bit of the dirty page of the virtual machine to a first value, and migrates the dirty page of the virtual machine, and the dirty page of the virtual machine comprises the first data page.

The invention discloses a quality monitoring abnormity positioning method and system for multi-source heterogeneous media data, and particularly relates to the technical field of quality monitoring of the multi-source heterogeneous media data.The method comprises the steps that through access and time base normalization, sources such as RTSP, HLS / DASH, offline files and message buses are mapped to a unified time reference, and out-of-order rearrangement and late cutting are carried out; basic quality elements are extracted from A / V / S in a sliding window, a dynamic threshold value is formed by adopting a trimming mean value and a median absolute deviation, and a window-level quality event is generated; using event anchor points as common reference to estimate cross-modal time delay and fuse evidences, outputting scene / mode labels by means of a lightweight online classifier, entering a confidence reduction mode when the evidences are missing, and outputting an availability bitmap and a reason code; and then event confirmation, time-space range refinement and hierarchical root cause posterior determination are completed, influence measurement and priority are calculated, and finally an anomaly positioning and root cause analysis record set including an event timeline, severity / influence degree, root causes and disposal suggestions is formed.

The invention provides a memory management method, a memory controller and an effective data positioning circuit unit. The method comprises the following steps: determining a plurality of candidate virtual blocks according to respective valid data count values of a plurality of virtual blocks; obtaining a mapping table bitmap corresponding to each candidate virtual block, determining a plurality of target virtual blocks based on the mapping table bitmaps, and generating a corresponding integrated mapping table bitmap; obtaining one or more sub-mapping tables according to the integrated mapping table bitmap; and generating an effective data table according to the physical address in the sub-mapping table and the physical address contained in the target virtual block. According to the method, the candidate objects for garbage collection are subjected to secondary screening in a hardware acceleration mode to determine the optimal target combination, and the mapping relation of the candidate objects is integrated to obtain the physical address of the corresponding effective data, so that the effective data table is made to improve the efficiency of garbage collection operation, and the reading burden of a storage device is reduced.

The invention discloses a PDF progressive analysis rendering method and device and a related medium, and the method comprises the steps: constructing a rendering task context according to a target PDF document, and obtaining a rendering context data set; analyzing the rendering context data set to obtain a target page analysis task object; writing a page content stream in the target page analysis task object into an element queue, and performing viewport scheduling to obtain a viewport to-be-rendered element set; performing fragmentation rendering on the viewport to-be-rendered element set to obtain a progressive rendering control state object; and performing termination judgment on the progressive rendering control state object, and outputting a PDF progressive analysis rendering object. According to the method and the device, the to-be-rendered viewport element set obtained through calculation is subjected to fragmentation rendering to generate the bitmap, then termination judgment is performed, when the condition is met, the instruction is sent out, the resources are cleaned, and the PDF progressive analysis rendering object is obtained, so that when the PDF document is loaded, the conditions of interface blockage and first screen display delay do not occur any more, and the PDF document loading efficiency is improved.

The invention discloses a system and a method for testing and analyzing the single event effect of a high-capacity nonvolatile memory. The system comprises an upper computer module, an FPGA (Field Programmable Gate Array) control module and a programmable power supply module. The system is used for testing and analyzing various single event effects of a high-capacity nonvolatile memory chip in a dynamic working mode. And according to the error data read from the memory in the dynamic working mode, presetting error bitmap rules of various single-particle function interruptions in an FPGA test program, carrying out real-time analysis and identification on the various single-particle function interruptions, and discriminating single-particle upset of the memory unit. According to the system, testing and real-time analysis of various complex single event effects of the high-capacity nonvolatile memory can be achieved, then radiation hardening and evaluation can be conducted on the sensitive position of a memory chip, and high pertinence is achieved.

The invention relates to the technical field of data processing, and discloses a data governance method and system for a distributed data architecture, and the method comprises the steps: carrying out the spatial-temporal feature coding of multi-modal data generated by equipment, and obtaining equipment data carrying a spatial-temporal feature code; constructing a multi-level association bitmap based on the equipment data carrying the spatial-temporal feature codes; based on the constructed multi-level association bitmap, cooperative computing of edge physical nodes and central governance nodes of the distributed data architecture is achieved; according to the method, the multi-level association bitmap is constructed through spatial-temporal feature coding, the problem of association analysis distortion caused by edge node storage fragmentation is solved, and efficient collaboration of edge physical node data fragmentation storage and central governance node global association calculation is achieved.

The embodiment of the invention provides a memory system, a memory controller, a garbage collection method and a storage medium. The method comprises the following steps: acquiring a first bitmap corresponding to a first source data block to an Nth bitmap corresponding to an Nth source data block; n is an integer greater than or equal to 2; obtaining a combined bitmap based on the first bitmap to the Nth bitmap; reading a page table item table according to the combined bitmap; and writing the effective data corresponding to the first source data block to the Nth source data block in the page table entry table into the target data block. According to the garbage collection method, garbage collection operation can be performed on a plurality of source data blocks. And merging the bitmaps corresponding to the plurality of source data blocks to obtain a merged bitmap. And the corresponding page table item table is read through the merged bitmap, so that response delay caused by repeatedly reading the page table item table among the source data blocks is avoided, and the processing efficiency of the whole garbage collection process is improved.

The present disclosure relates to scheduling methods for an ultra-wideband (UWB) and related products. One example method includes generating scheduling information and sending the scheduling information, where the scheduling information includes a time unit bitmap and a bitmap offset, the time unit bitmap indicates whether a time unit is used by a UWB device to transmit a UWB signal, the bitmap offset is used to determine a start time unit in which the UWB device transmits the UWB signal, and a time unit corresponding to a 1st bit of the time unit bitmap is the start time unit.

The invention relates to the technical field of distributed data synchronization, in particular to a three-terminal message synchronization method, which comprises the following steps of: generating FALCON public and private keys for three terminals respectively, negotiating a two-threshold threshold public key, writing a message key hash with a vector clock into a multi-branch Verkle tree, and updating a root abstract; a sending end carries out integrity proof broadcasting through a Bloom bitmap, a compression model, a root abstract and zero knowledge; a receiving end compares the bitmaps to obtain a difference set, and a coding window, a redundancy proportion and power distribution are obtained through reinforcement learning; a sending end uses sparse Fountain coding to send difference set packets in wireless and optical links in a shunting manner; a receiving end carries out linear solution decoding, verification and certification, batch box opening, supplementary signing aggregation and root abstract refreshing; and the completion rate and the link quality are continuously written, and self-adaptive operation is carried out in offline, alternating or low-power scenes. The method has the advantages of quantum security, low bandwidth, low time delay and energy conservation, and transaction omission and data conflict can be avoided.

The invention discloses an object group determination method and device, electronic equipment and a storage medium. The embodiment of the invention can be applied to artificial intelligence, and the method comprises the steps: obtaining preset bitmap information and object label information of at least one target object; determining a target bitmap element corresponding to the target object in the preset bitmap information; based on preset object tag information and object tag information of each target object, setting element states of target bitmap elements corresponding to each target object, and obtaining a plurality of set target bitmap elements corresponding to the preset object tag information; aggregating the plurality of set target bitmap elements corresponding to the preset object tag information to obtain object bitmap information; and determining an object group corresponding to the preset object tag information based on the element state of each bitmap element in the object bitmap information. In the embodiment of the invention, the whole bitmap information does not need to be traversed or other data structures do not need to be used. According to the scheme, the efficiency of confirming the object group can be improved.

The invention discloses a storage space distribution method and device, a storage medium and electronic equipment, and relates to the technical field of storage space distribution.The method comprises the steps that in response to a received storage space distribution request, a target storage space is determined in equipment storage space; according to a space group bitmap corresponding to a storage space group in the target storage space, determining a target space group in an idle state from the storage space group; determining a target space block in an idle state from the storage space blocks according to the space block bitmaps corresponding to the storage space blocks in the target space group; and finally, allocating the target space block to the storage space allocation request. According to the method, the target space block is determined through the bitmaps corresponding to the multiple space levels, the target space block is allocated to the storage space allocation request, the situation of storage space fragmentation can be reduced through the space block allocation mode, and then the storage performance is improved.

The invention discloses a method and a system for planning drop points in a substrate bitmap related to multi-nozzle printing, and relates to the technical field of ink-jet printing of display screens, and a nozzle module comprises at least two nozzles; comprising the steps that spray hole coordinates in a spray head module are obtained, the spray hole coordinates are constructed with coordinates of an initial spray hole as the benchmark, and the initial spray hole is the spray hole with the smallest Y-axis coordinate in the spray head module; the Y axis is the moving direction of the spray head module; the spray hole coordinates comprise an initial spray head number, an initial spray hole number, a reconstructed spray hole number and coordinate numerical values; a drop point coordinate of a sub-pixel pit in the substrate bitmap is obtained, the drop point coordinate is constructed with an initial point of the substrate bitmap as a reference, and the initial point is the upper left corner of the substrate bitmap; and the coordinates of the initial spray holes are aligned with the coordinates of the initial points, and any drop point coordinate is matched with one spray hole coordinate, so that drop point printing planning in the base plate bitmap is completed. According to the method and the device, printing drop point planning of multi-nozzle printing on the RGB substrate can be realized.

Certain aspects of the present disclosure provide a method for wireless communications by a user equipment (UE), generally including receiving a configuration indicating, for one or more reference signals (RSs), at least one bitmap indicating beam shape information and a reference beam direction corresponding to the bitmap, receiving dynamic signaling indicating that the UE is to update at least one of the bitmap or corresponding reference beam direction for at least one of the RSs, and updating the one of the bitmap or corresponding reference beam direction for at least one of the RSs based on the dynamic signaling.

The invention discloses a garbage collection optimization method and device, equipment and a medium. The invention relates to the technical field of solid state disks, which comprises the following steps that: a global invalid data bit chart is established in a host memory, each table item in the global invalid data bit chart corresponds to a physical block, and a bitmap bit in each table item corresponds to a physical page in the physical block; bit values corresponding to the bitmap bits comprise a first bit value and a second bit value; responding to a data updating event through an access acceleration engine so as to dynamically update the bit value of the corresponding physical page in the global invalid data bit graph; and when garbage collection is triggered, screening the physical page of which the bit value is the second bit value in a to-be-collected source physical block according to the global invalid data bit chart and the access acceleration engine to perform validity verification and data migration, and skipping the physical page of which the bit value is the first bit value. According to the invention, the garbage recycling efficiency is improved.