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723 results about "Semantic layer" patented technology

Semantic layer. A semantic layer is a business representation of corporate data that helps end users access data autonomously using common business terms. A semantic layer maps complex data into familiar business terms such as product, customer, or revenue to offer a unified, consolidated view of data across the organization.

Urban low-altitude airspace-oriented unmanned aerial vehicle route planning and dynamic management and control method

The invention discloses an unmanned aerial vehicle route planning and dynamic management and control method for an urban low-altitude airspace, and relates to the technical field of unmanned aerial vehicle route planning and dynamic management and control, and the method comprises the steps: dividing the low-altitude airspace into a basic flight layer, a buffer anti-collision layer and an emergency guarantee layer in the vertical direction; setting different air route grades and limitation rules in different areas in the horizontal direction; generating a basic airway network skeleton and performing structure optimization; obtaining the operation state and environment updating data of the unmanned aerial vehicle; semantic annotation is carried out on each leg and node in the basic airway network skeleton, and airspace regulations, supervision rules, flight limiting areas, temporary control areas and recommended flight corridor information are embedded into a semantic layer of the airway network; and inputting the basic airway network skeleton, the semantic annotation information and the real-time monitoring data into an urban low-altitude airspace management and decision-making platform. According to the invention, cooperative scheduling and avoidance among multiple unmanned aerial vehicles are realized, and the operation efficiency of an air route network and the cooperative work capability of the unmanned aerial vehicles are improved.
Owner:SHANDONG JIANZHU UNIV

Calculation method and system for unstructured text data

The invention provides an unstructured text data calculation method and system, and relates to the technical field of natural language processing, and the method comprises the steps: carrying out the multi-level processing of input unstructured text data, dynamically adjusting the word segmentation granularity according to the word frequency distribution, constructing a part-of-speech co-occurrence matrix in combination with context semantic information, and extracting entity information. And fusing the part-of-speech co-occurrence matrix and the entity information to generate a hierarchical semantic tag sequence. Feature extraction units with different convolution kernel sizes are adopted to extract feature representation, and cosine similarity between different semantic hierarchies is calculated to establish an association weight matrix. A semantic enhancement vector is constructed based on entity information, and adversarial training is carried out to obtain a multi-modal semantic feature matrix. And calculating the semantic similarity between the fusion feature vectors for clustering, setting difficulty weight sorting according to the complexity, consistency and ambiguity of class clusters, then inputting the class clusters into a classifier, and iteratively optimizing a classification result to obtain a calculation result.
Owner:北京科杰科技有限公司

Vision-text collaborative abstract generation method and system based on multi-modal learning

The invention belongs to the field of natural language processing crossing, and particularly relates to a visual-text collaborative abstract generation method and system based on multi-modal learning, and the system comprises a multi-modal data receiving module which is used for receiving multi-modal input data in parallel, and the multi-modal input data comprises text data and visual data; the visual semantic understanding module is used for extracting high-level semantic features of the image by adopting a visual semantic understanding model and generating text description; the semantic fusion module is used for carrying out semantic fusion on the original text and the generated image description by adopting a vision-text semantic fusion method based on direction consistency and self-adaptive semantic completion; and the abstract optimization module is used for carrying out semantic reconstruction on the fusion features by adopting a multilayer deep fusion hybrid neural network architecture, and generating an abstract text conforming to context semantics and accurate expression. The method has the advantages that visual and text information is accurately aligned, high-quality abstracts are generated, and the method is particularly suitable for news reports, conference records, video content analysis and other scenes needing cross-modal information fusion.
Owner:SHANDONG UNIV +1

Marketing video auditing method based on AI

The invention provides an AI-based marketing video auditing method, and relates to the technical field of AI marketing video auditing, and the method comprises the steps: obtaining a multi-modal data original structure set, and extracting image semantic features, voice expression features, text semantic features and scene label information, and obtaining an image semantic feature set, a visual rhythm feature set, a voice expression feature set, a voice and picture synchronous association vector structure, a text semantic feature set and a subtitle semantic and image main body linkage relation graph. By constructing an image semantic feature set, a voice expression feature set, a text semantic feature set and a visual rhythm feature set and fusing the image semantic feature set, the voice expression feature set, the text semantic feature set and the visual rhythm feature set into a multi-modal content fusion feature tensor, unified modeling of an AI marketing video at visual, auditory and semantic levels can be realized; and subsequent microscopic consistency detection, compliance knowledge graph and emotion semantic conflict identification are effectively performed, so that full-link risk perception and accurate auditing of video contents are realized.
Owner:SHANGHAI WANGMAI INFORMATION TECH GRP CO LTD

Data lake metadata management method based on semantic synthesis and text vectorization

The invention relates to the technical field of natural language processing, in particular to a semantic synthesis and text vectorization-based data lake metadata governance method, which comprises the following steps of: performing vector coding of field content keywords and adjacent context words on the basis of field names, data types and description information of data sources in a data lake; and extracting semantic co-occurrence groups of the fields in the differentiated contexts, identifying distances between semantic vectors, and judging whether the distances are in a similar field grouping range or not to obtain a field semantic collection quantity. According to the method, a semantic co-occurrence relation is extracted through field keywords and context vector coding, a semantic hierarchical structure is constructed, the field division precision and abstract ability are improved, the consistency is judged in combination with a context semantic structure, a high-frequency alternative path is adjusted to optimize a semantic structure, and word vector similarity and a structure retention rate are fused to realize field merging; the continuity and the accuracy of a treatment structure are improved, and the intelligence and the consistency of metadata treatment in the data lake are enhanced.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Agricultural meteorological disaster time sequence prediction system and method based on multi-modal data fusion

The invention relates to the technical field of agricultural meteorological prediction, in particular to an agricultural meteorological disaster time sequence prediction system and method based on multi-modal data fusion, and the method comprises the steps: collecting and preprocessing agricultural meteorological disaster related data, constructing a dynamic semantic association graph, carrying out the multi-layer feature abstraction processing, and generating a semantic enhancement feature vector; the dual-branch prediction network processes time sequence dependence and local mode features, multi-granularity attention processing identifies key feature information, multi-scale feature fusion extracts different time scale feature information, and cascade fusion is carried out; the multi-target optimization module carries out model training based on the comprehensive feature representation and optimizes a plurality of targets; the multi-time scale prediction output module generates short-term accurate prediction, medium-term trend prediction and long-term risk assessment results, and provides prediction confidence, error range and risk level information; a dynamic semantic association graph and a multi-layer feature mapping mechanism are constructed, and deep fusion of multi-modal data on the semantic level is achieved.
Owner:贵州省气象灾害防御中心(贵州省预警信息发布中心)

Multi-source heterogeneous data fusion processing and intelligent analysis method, device and equipment

The invention discloses a multi-source heterogeneous data fusion processing and intelligent analysis method, device and equipment, and relates to the field of data fusion processing.The method comprises the steps that firstly, data in data sources of corresponding types are collected through different collection strategies; performing data preprocessing on the collected data to obtain standard data in a unified format; performing data fusion on the standard data based on the structural features of the data to obtain a fused data set; and determining a target analysis model according to the data analysis target, and performing data analysis on the fused data set. According to the method, various types of data formats can be processed, multi-source heterogeneous data fusion is realized, and through data semantic understanding and a feature-based fusion algorithm, the accuracy and quality of data fusion are improved, and correct data association is established on the semantic level.
Owner:HEBEI WANGXIN GOVERNMENT SOFTWARE CO LTD

Semantic alignment method for infrared image and microwave non-image information fusion

The invention discloses a semantic alignment method for infrared image and microwave non-image information fusion. The method comprises the steps that infrared image and microwave non-image information fragments in the same scene are collected; carrying out preprocessing operation on the acquired infrared image and microwave non-image information; extracting spatial and semantic features of the infrared image, and extracting frequency domain features of microwave non-image information; embedding the infrared image features and the microwave non-image features into the same high-dimensional semantic space; calculating the similarity in semantic representation; and carrying out global optimal matching by adopting a Hungary algorithm. Respectively performing wavelet decomposition on the infrared image and the microwave features by adopting a wavelet transform fusion algorithm, and extracting low-frequency and high-frequency coefficients under different resolutions; by constructing a unified semantic representation space and an efficient feature fusion mechanism, the difference between the infrared image and the microwave data in the feature expression form and the semantic level is effectively solved, complementary information of two modes is fully mined, and the target recognition and environment perception ability in a complex environment is improved.
Owner:CHINA UNIV OF MINING & TECH +1

Intelligent approval rule modeling method oriented to process automation

The invention discloses an intelligent approval rule modeling method oriented to process automation, and relates to the technical field of business process management, and the method comprises the following steps: S100, in a process of constructing a rule candidate set, extracting scene features, field semantic hierarchy and participation role information of each piece of historical approval data, generating a context semantic tag set, and establishing a rule candidate set; the method is used for subsequent rule difference modeling. According to the method, context semantic tags are introduced to be aligned with ternary features, so that the semantic boundary recognition capability of the rule is enhanced; constructing a rule feature matrix and a differentiation candidate set, and realizing accurate classification and processing of ambiguity rules; in combination with expression sensitivity enhancement and simulation verification, approval offset and risk are identified in advance; finally, the dynamic optimization of the rule model is realized through backtracking correction, the stability and accuracy of the rule model in multiple scenes are improved, and a closed-loop credible intelligent approval rule system is constructed.
Owner:BEIJING SHENGBI TECHNOLOGY CO LTD

Unmanned aerial vehicle image small target detection method based on dynamic filtering and adaptive sparse Transform

The invention discloses an unmanned aerial vehicle image small target detection method based on dynamic filtering and an adaptive sparse Transform. According to the method, an end-to-end target detection framework is adopted, a dynamic filtering module is introduced into a backbone network, global feature interaction is achieved through data-dependent frequency domain operation, and linear calculation complexity is maintained. For feature interaction in a scale, an adaptive sparse Transform module is introduced to enhance the capability of focusing key information on high semantic hierarchy features of a model, and noise interference and feature redundancy are effectively suppressed at the same time. Through the combination of dynamic filtering and adaptive sparse Transform, the model can extract image foreground information more effectively on the premise of not significantly increasing the calculation burden, and the problem that a traditional target detection model is susceptible to complex background interference is significantly relieved.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Intelligent semantic analysis knowledge graph system for multi-source heterogeneous data

The invention relates to an intelligent semantic analysis knowledge graph system for multi-source heterogeneous data. The system comprises a data preprocessing module used for preprocessing to-be-processed multi-source heterogeneous data to obtain format-standardized text data; the semantic analysis module is used for performing natural language processing on the text data to obtain words, and then performing vocabulary layer, syntactic layer and semantic layer analysis on the text data and the words to obtain structured data; the structured data comprises a triple consisting of entities, relationships and events and a network diagram of the entities and the relationships; the model structure mapping module is used for mapping the structured data into a predefined structure of a knowledge graph to obtain structured graph data; and the knowledge graph module analyzes entities and relationships in the graph data, performs reasoning to obtain potential relationships in the graph data by utilizing a logic rule and a machine learning algorithm, realizes cross-data-source and cross-document deep semantic association, and improves the efficiency of large-scale data processing and knowledge management.
Owner:FOUNDER INT(WUHAN)TECH DEV CO LTD

Intelligent analysis method for junior middle school English reading understanding test questions based on large model

The invention discloses a junior high-school English reading understanding test question intelligent analysis method based on a large model, which comprises the following steps: S1, obtaining answer texts of junior high-school English reading understanding test questions completed by students and corresponding test question texts, and answers are from published standard answers; s2, preprocessing the input test question text and answer text; s3, performing semantic level deep analysis on the test question text by utilizing a deep context understanding large model; s4, according to the test question text and the standard answer, in combination with understanding of the logical reasoning large model on text context and logical relationship, analyzing the semantic matching degree of the student answer, and based on the standard answer and the logical reasoning large model, generating a semantic and logic comprehensive evaluation result of the student answer; s5, dynamically generating learning suggestions based on the semantic and logic comprehensive evaluation result of the student answers; and S6, outputting a test question analysis report. According to the invention, the answers of the students are analyzed more accurately, and targeted learning guidance is provided, so that the teaching effect and the learning experience of the students are remarkably improved.
Owner:BEIJING GUANGNIAN WUXIAN SCI & TECH

RAG knowledge base construction method and system based on hierarchical semantic index

ActiveCN121051274ASemantic analysisBiological modelsContextual integrityData access
The invention provides an RAG knowledge base construction method and system based on hierarchical semantic indexes. The method belongs to the cross technical field of artificial intelligence and information retrieval. The method comprises the following steps: performing multi-level semantic analysis on an input original document set to generate document semantic hierarchical structure data; constructing a hierarchical semantic index tree based on the document semantic hierarchical structure data; performing dynamic knowledge graph initialization according to the hierarchical semantic index tree to generate an initial dynamic cognitive graph; and collecting real-time interaction data through a user feedback interface and a new data access module, and performing incremental updating on the initial dynamic cognitive map to form a knowledge representation system supporting life cycle evolution. Through multi-level semantic analysis and construction of a hierarchical semantic index tree (HSIT), deep semantic analysis can be performed on an original document set, the context integrity of knowledge is ensured, structured storage is realized, the knowledge can be expressed and stored more accurately, and information loss or semantic ambiguity is avoided.
Owner:ZHEJIANG STARSINO INFORMATION TECH

System and method for semantic model action sets and replay in an analytic applications environment

In accordance with an embodiment, described herein is a system and method for providing extensibility in an analytic applications environment, including a semantic layer that enables the use of custom semantic extensions to extend a semantic data model (semantic model). In accordance with an embodiment, when customizations are made to the semantic model, the system stores changes to the semantic model as an action-set, rather than as a changed-state. This allows the system to replay changes on the factory model, to get back to a desired end state, much as an operating system update does not affect the underling setup.
Owner:ORACLE INT CORP

Intelligent document analysis method and system

The invention discloses an intelligent document analysis method and system, the method is executed by the intelligent document analysis system, and the method comprises the following steps: carrying out layout analysis on a PDF page by adopting a deep learning model; merging the block list from bottom to top by adopting a recursive algorithm; carrying out balance optimization on the binary tree structure; and outputting a result of the processed binary tree structure by adopting a preorder traversal mode. Layout analysis is carried out by adopting a deep learning model, various complex typesetting formats such as multi-column layout, image-text mixed typesetting, tables, lists and the like can be effectively identified and processed, and semantically continuous text blocks are ensured to keep continuity in a tree structure through a tree structure optimization module; a global semantic error correction module is added to carry out global document semantic representation learning and carry out adaptive adjustment and error correction on a preliminary structure, so that deep ambiguity is eliminated, logic errors are repaired, and the consistency of a final analysis result and human reading logic on the semantic level is maximized.
Owner:SHANGHAI YILIAN INTELLIGENT TECH CO LTD

Large language model training method and system based on knowledge graph enhancement

The invention relates to the technical field of big language models, and discloses a big language model training method based on knowledge graph enhancement, comprising the following steps: S1, constructing a multi-source heterogeneous knowledge graph; s2, coding the mixed attention heterogeneity map; s3, bidirectionally mapping a pre-training task; and S4, position specific gating fusion. According to the big language model training method and system based on knowledge graph enhancement, a same proton graph is established for a structured triple and text entity description, nodes are connected across graph edges to form a heterogeneous graph, associated edges are established through entity linking and syntactic analysis, multi-source knowledge is modeled in a unified mode, and the problem of low fusion efficiency is solved; mixed attention coding adopts a layering mechanism, a semantic level calculates weights according to type compatibility, a node level calculates similarity aggregation features through cosine distance and path length, entity vectors are generated through pooling, map structures and semantics are explicitly learned, reasoning accuracy is improved, and the problem of knowledge understanding superficial layer is solved.
Owner:陈雨节

Collaborative editing method and device for rich text format document and storage medium

The invention discloses a collaborative editing method and device for a rich text format document and a storage medium, and the collaborative editing method for the rich text format document comprises the steps: taking each document element of the rich text format document as a node, and taking the attribute of the document element as the semantic information of the node, constructing a semantic tree by taking the spatial structure relationship between the document elements as an edge; performing parameter updating on nodes in the semantic tree according to the editing operation; nodes which do not meet constraint rules in the semantic tree after parameter updating are detected, and semantic conflict nodes are obtained; and performing semantic conflict correction on the semantic conflict node according to a conflict resolution strategy to obtain a corrected rich text format document, and synchronizing the corrected rich text format document to all editing ends. According to the method, effective and accurate collaborative editing can be carried out on the rich text format document, conflict detection and solution are carried out on the semantic level, and the risk of semantic errors and rendering abnormity in the collaborative editing process is reduced.
Owner:ZHEJIANG HUACHUANG VISION TECH CO LTD

Intelligence co-processing platform and potential relation prediction method based on knowledge graph

The invention discloses an information co-processing platform based on a knowledge graph and a potential relationship prediction method. The information co-processing platform comprises a data acquisition processing layer, a knowledge extraction intelligent analysis layer and a knowledge application decision-making layer, the data acquisition processing layer comprises a data acquisition module, a data format conversion module and a knowledge base management module; the knowledge extraction intelligent analysis layer comprises a keyword extraction module, a keyword layering module, a semantic fusion module and a knowledge ontology dynamic evolution module; and the knowledge application decision-making layer comprises an evolution state judgment module, a military strategy graph generation module, an evaluation result acquisition module and a military strategy guidance information updating module. According to the method, a large amount of dispersed and isolated intelligence is integrated from actual military field business data by taking a real-time military strategy as a guide, association of military intelligence information is realized from a semantic level, powerful support is provided for comprehensive analysis, research, judgment and display of the intelligence information, analysis efficiency is improved, and effective cooperation of military strategy and intelligence data processing is realized.
Owner:中国人民解放军新疆军区参谋部第二部

Multi-source information association system and method based on entity link in agricultural scene

The invention provides an entity link-based multi-source information association system and method in an agricultural scene, and belongs to the technical field of agricultural artificial intelligence, and the system comprises a data analysis module which constructs a multi-modal data analysis layer for data analysis, converts the analyzed data into a knowledge unit in a preset format through a Converter component, and stores the knowledge unit in the preset format; retaining an original semantic hierarchical structure and generating knowledge association anchor points; the graph construction module is used for constructing a cross-modal knowledge graph by utilizing knowledge association anchor points and an entity linking technology; the graph retrieval module is used for retrieving the cross-modal knowledge graph on the basis of a GraphRAG hierarchical retrieval technology; the result optimization module is used for optimizing the retrieval result to obtain an optimized retrieval result; and the result processing module constructs a low-code workflow engine based on the optimized retrieval result, further constructs an agricultural knowledge processing assembly line, and executes the agricultural knowledge processing assembly line to obtain an executable working scheme. And the processing efficiency of agricultural knowledge is improved.
Owner:HANGZHOU DIANZI UNIV

Night semantic segmentation method and device based on wavelet transform detail enhancement and text prompt

The invention discloses a night semantic segmentation method and device based on wavelet transform detail enhancement and text prompt, and the method comprises the steps: obtaining a night image, carrying out the preprocessing of the night image, and carrying out the reconstruction of a wavelet image; and inputting the preprocessed night image and the image after wavelet transform reconstruction into a deep learning model for semantic segmentation to obtain a segmentation result of the night scene object. A new three-stage network structure is designed and formed, in the first stage, a three-mode feature extractor composed of an image encoder, a night semantic category encoder and a wavelet image encoder is used for extracting features, in the second stage, a double-branch cross-mode feature interaction module is designed, and the feature extraction is carried out through the image encoder. In the first stage, features of different spatial resolutions and semantic hierarchies and natural language priori of a target object are integrated, all-directional semantic information from coarse granularity to fine granularity is captured, in the third stage, a multi-scale feature segmentation decoder is introduced, details of a low-light area are enhanced, fine texture edges and target contours are captured, and the target object is obtained. Through positioning and understanding of the target area by the natural language prior enhancement model, the precision of night scene semantic segmentation can be effectively improved.
Owner:QUZHOU UNIV

Multi-modal sentiment analysis method based on depth decoupling and cross-modal semantic alignment

The invention relates to a multi-modal sentiment analysis method based on deep decoupling and cross-modal semantic alignment. The method comprises the following steps: carrying out preprocessing and feature extraction on input video data; the three modes are decoupled through a feature decoupling mechanism based on the HSIC criterion; performing cross-modal alignment on the three modal semantics; hierarchically predicting emotion categories; and finally outputting a prediction result. According to the method, by decoupling features of three modes of text, audio and vision, unique attributes of each mode are separated from shared emotional semantics, and the problem of redundancy and conflict information between modes in an existing multi-mode emotional analysis method is solved. On the basis, a cross-modal alignment mechanism based on text guidance is provided, shared features are aligned through a cross-modal attention mechanism, and semantic consistency among different modals is enhanced. Meanwhile, the decoupled unique features and the aligned shared features are effectively fused through a hierarchical fusion strategy, and the accuracy of emotion prediction is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Geological mineral exploration data extraction method and system

The invention belongs to the technical field of geological information processing, and discloses a geological mineral exploration data extraction system which comprises the following steps: constructing an air-ground-hole three-in-one acquisition network, and respectively acquiring earth surface mineral spectrum data, seismic longitudinal wave and transverse wave reflection data and rock core main quantity and trace element composition data; processing the collected data to form a five-dimensional data cube containing space coordinates, spectrum parameters, physical property parameters, element parameters and time indexes, performing physical layer attribute extraction on the five-dimensional data cube, performing analysis to obtain a wave impedance value and a lithology category probability array, performing semantic layer attribute extraction on the five-dimensional data cube, and performing semantic layer attribute extraction on the five-dimensional data cube; an alteration type probability array is obtained through analysis, an alteration zoning graph layer is generated, the mineralization potential index and a five-dimensional data cube are fused, a four-dimensional dynamic database is constructed, a mineralization potential prediction graph layer and a drilling priority graph are generated based on the four-dimensional dynamic database, and therefore the decision-making level of ore body drilling deployment is improved.
Owner:山东省地质矿产勘查开发局第四地质大队

Large model multi-modal data semantic representation alignment method

The invention discloses a large-model multi-modal data semantic representation alignment method, and the method comprises the steps: carrying out the fine-grained local feature extraction of first modal data and second modal data through employing a data processing technology based on deep learning, the method comprises the following steps: acquiring first modal data and second modal data, calculating similarity between fine-grained local features of the first modal data and the second modal data as an initial alignment loss function value, and then further combining global context semantic information to carry out semantic enhancement coding on the fine-grained local features of the first modal data and the second modal data to obtain an initial alignment loss function value; according to the method, a fine alignment loss function value is obtained through context-level semantic alignment measurement, and then model training is guided based on the fine alignment loss function value and an initial alignment loss function value, so that semantic representation alignment of multi-modal data is realized. In this way, the alignment precision of the multi-modal data on the semantic level can be remarkably improved, and a more accurate feature basis is provided for subsequent data fusion and application.
Owner:DATATANG(BEIJING)TECH CO LTD

Semi-supervised image semantic segmentation method and system based on visual basic model

The invention provides a semi-supervised image semantic segmentation method and system based on a visual basic model, and the method comprises the steps: constructing a multi-task model which comprises a visual basic model and a depth estimation basic model, and the visual basic model is connected with a task solution head, an adapter parameter efficient fine tuning module and a multi-modal cross fusion module; the task solution head comprises a semantic segmentation head and a depth estimation head; extracting semantic hierarchy features and a depth feature map of the RGB image, performing cross attention fusion on the semantic hierarchy features and the depth feature map, and inputting obtained fusion features into a semantic segmentation head and a depth estimation head respectively; semi-supervised learning is adopted to train a multi-task model, only parameters in the adapter parameter efficient fine tuning module and the multi-modal cross fusion module are trained, and a multi-task loss function is adopted. The image semantic segmentation model obtained through training can improve semantic segmentation performance, reduce training cost and is suitable for different tasks.
Owner:SHANGHAI JIAOTONG UNIV

Remote sensing image change detection method based on spatial-temporal feature interaction and feature difference enhancement

The invention discloses a remote sensing image change detection method based on spatio-temporal feature interaction and feature difference enhancement, and belongs to the technical field of remote sensing image processing, and the detection method comprises the following steps: constructing a change detection data set containing a dual-temporal remote sensing image, respectively extracting multi-scale features through an encoder, and obtaining a change detection data set; inputting the data to a spatio-temporal feature interaction module to obtain interacted dual-time-phase features; fusing the interacted double-time-phase features and inputting the fused double-time-phase features into a decoder to generate four groups of same-resolution features with different semantic hierarchies; performing difference enhancement on the four groups of features through a feature differentiator, then performing channel splicing and fusion, and outputting a change detection result; and training the model by using the training set, adjusting and optimizing, and evaluating the precision. The beneficial effects of the invention are that the method can effectively capture the space-time dependency relationship between the double-time-phase images, enhances the discrimination capability of a change region, and meets the requirements of high-precision change detection in a complex scene.
Owner:QINGDAO UNIV OF SCI & TECH

Infrared visible light image fusion method for complex lighting environment

The invention provides an infrared and visible light image fusion method for a complex lighting environment, and the method comprises the steps: obtaining a plurality of pairs of infrared images and visible light images after registration in a plurality of scenes to form a training image subset, thereby obtaining a training data set, and carrying out the identification of the training data set through employing a scene perception network; inputting the training image subset identified as the night scene into a mask modeling algorithm to generate a mask for guiding network training; constructing a layered infrared visible light image fusion network; and constructing a loss function to guide training of the layered infrared visible light image fusion network. According to the invention, fusion loss is constructed by using a scene sensing network and a mask modeling algorithm so as to adapt to different illumination scenes; a gradient enhancement module is designed to enhance texture information in a mixed mode on a feature level; according to the method, a multi-scale semantic interaction module is introduced into a deep semantic level, so that semantic information in bimodal features is effectively utilized.
Owner:NORTHWEST UNIV

Data query method and system based on large language model, terminal and medium

The invention belongs to the field of data query, and particularly discloses a data query method and system based on a large language model, a terminal and a medium. Analyzing the natural language query statement by using a natural language processing technology to obtain query parameters including a query entity, a statement dependency relationship and a user intention; utilizing a pre-trained large language model to generate a logic SQL query statement according to the query parameters; converting the logic SQL query statement into a physical SQL query statement by utilizing a semantic layer technology; the method comprises the following steps of: converting a physical SQL (Structured Query Language) query statement into a domain specific language for Elasticsearch query by utilizing an SQL parser; and executing the Elasticsearch query on the Elasticsearch cluster by using a domain specific language to obtain a query result. A natural language processing technology, a large language model and a semantic layer technology are utilized to convert a natural language query statement into an Elasticsearch query DSL, the data query process is simplified, the data query efficiency and precision of a user are improved, the cost is reduced, and the query requirement is met.
Owner:山东浪潮智慧医疗科技有限公司

Safety management method and system for data asset transaction

The invention discloses a security management method and system for data asset transaction, and provides a new normal form of distributed evidence storage and automatic management for data assets through deep fusion of a block chain technology and an intelligent contract. Specifically, embedded coding on a semantic level is carried out on an asset use behavior log recorded in an intelligent contract and a preset data use strategy, and a fine-grained semantic verification mechanism is utilized to realize consistency automatic comparison of an actual behavior and the strategy. And once the deviation from the preset strategy or the existence of abnormal access is detected, the alarm prompt can be triggered in real time. Through the mode, the response capability of the system to violation operation or potential risk events is improved, each time of data calling can be ensured to be in a controllable and traceable state, unauthorized access and malicious operation are effectively prevented, and a safer, transparent and reliable operation environment is created for the whole data element market.
Owner:ANHUI GALAXY YUNCHUANG DIGITAL TECH CO LTD

Semantic parsing and mapping method for cross-platform touch instruction of same-screen device

The invention discloses a semantic parsing and mapping method for cross-platform touch instructions of a same-screen device, and the method comprises the steps: S1, obtaining a touch instruction of a source device through the same-screen device, the touch instruction comprising a touch position, a touch gesture type and touch time sequence information; s2, based on an operating system type and an application scene of a target device, semantic analysis is conducted on the touch instruction, an intermediate semantic layer instruction is generated, and the intermediate semantic layer instruction comprises operation logic, an interaction intention and a target control identifier; s3, dynamically mapping the intermediate semantic layer instruction into a native instruction of the target device according to a platform protocol and an interaction rule of the target device, the native instruction being adapted to a touch event processing mechanism of the target device; and S4, sending the native instruction to the target equipment for execution, and synchronously updating the display interface of the same-screen device and the display content of the target equipment.
Owner:SHENZHEN XINZHENGYU TECH

Semantic layer for data platform

An illustrative method for querying multiple datasets may include generating, based on models each associated with and defining attributes of a different datasets stored in a plurality of data stores, a semantic layer defining relationships between the models and that provides a centralized application programming interface (API) for exposing the datasets by way of a common query language, receiving, by way of the centralized API, a query request for information that depends on data included in multiple datasets included in the plurality of datasets, querying, based on the query request and the relationships between the models defined by the semantic layer, the multiple datasets, and presenting, based on the querying, a query result representative of the information that depends on the data included in the multiple datasets.
Owner:FORTINET INC