663 results about "Information loss" patented technology

The invention relates to a remote sensing image change detection system and method based on multi-modal deep learning. According to the system, the detection precision is improved by constructing a twin network fusing a CNN, a Transform and an attention mechanism; a lightweight backbone network is constructed by adopting multi-size depth separable convolution, and noise is adaptively suppressed and feature expression is enhanced in combination with a soft thresholding channel space attention mechanism; harr wavelet transform downsampling is innovatively introduced to reserve high-frequency details, and traditional pooling operation is replaced to reduce information loss; the twinborn branch semantic deviation is relieved through cross-channel feature exchange, and a Transform codec is used for modeling a long-range dependency relationship; in the decoding stage, edge feature recovery is enhanced by adopting feature splicing and a progressive up-sampling strategy; according to the system, model parameters are reduced, meanwhile, the precision and the anti-interference capability of remote sensing building change detection are remarkably improved, and the system has the advantages of high efficiency and detail keeping.

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.

The invention relates to the technical field of deep learning and defect detection, and discloses a multi-modal fusion defect perception and identification method based on deep learning, and the method comprises the steps: 1, obtaining multi-modal data: obtaining the multi-modal data of a target object through a collection device, and obtaining the multi-modal data of the target object; comprising visual data and non-visual data, and the data format covers two-dimensional images, three-dimensional point clouds, time series data and the like. According to the multi-modal fusion defect perception and identification method based on deep learning, the advantages of visual data and non-visual data can be integrated through multi-modal data fusion, the characteristics of a target object are described more comprehensively, information loss caused by single-modal data is reduced, the accuracy of defect detection is improved, and in industrial part detection, the detection efficiency is improved. By fusing the image and the point cloud data, defects such as cracks and holes on the surface of the part can be identified more accurately, and the detection precision is obviously improved compared with that of a single-mode method.

The invention discloses a micro posture recognition method based on multi-modal feature fusion and fine adjustment, and relates to the field of computer vision and action recognition. The method is characterized in that a universal cross-modal knowledge fusion framework is provided, and multi-modal features are respectively extracted through a fine tuning network by using three kinds of modal information of video, skeleton and text. Meanwhile, a video-skeleton and text-skeleton fusion module is introduced to enhance the interactivity between modals. Compared learning is adopted to align feature distribution, and model training is optimized in combination with a freezing-fine tuning strategy, so that the calculation complexity is reduced, and the recognition efficiency is improved. According to the method provided by the invention, the problem of single-mode information loss can be solved, the perception capability of tiny attitude change is enhanced, the recognition precision and robustness are improved, and the method is suitable for multiple application scenes such as behavior monitoring, human-computer interaction and safety protection.

The invention discloses a document knowledge base LLM intelligent question and answer method, device and equipment and a storage medium. The method comprises the steps that dynamic partitioning is conducted on a to-be-processed document, and vectorization and index storage are conducted on knowledge blocks; vector retrieval and keyword retrieval are carried out according to the natural language question, a vector retrieval result and a keyword retrieval result are fused, an answer is obtained through LLM, and the answer is fed back to a user after being safely filtered; when it is detected that the to-be-processed document is updated, the vector library and the index are synchronously updated, and the cue word template and the partitioning strategy are periodically optimized, so that the problem of form picture information loss can be solved, the integrity of document information analysis is guaranteed, the situation that the partitioning strategy is single is avoided, the multi-hop recall rate is increased, and the problem of semantic missing is avoided; a partitioning mechanism is reasonable, retrieval precision is improved, updating cost is reduced, data security is improved, implementation is convenient, universality is good, and the speed and efficiency of LLM intelligent question answering of the document knowledge base are improved.

The invention discloses a pavement throwing detection method and device based on deep learning, electronic equipment and a program product. The method is realized through a trained detection model, the model adopts an LMSADet detection head, a multi-scale feature extraction and space attention mechanism is introduced into a task branch, and multi-scale modeling is decoupled from a backbone network and a neck network and integrated to the detection head so as to fit a detection task to directly optimize local details and scale differences of a throwing target. In order to suppress background interference and improve the recognition effect of fuzzy boundaries, the neck network is added into an MSHA module so as to efficiently capture the semantic relation between the thrown object and the background and enhance the regional understanding ability. A C3ESP module is introduced into the backbone network, deep features are extracted through stacking depth separable convolution, and information loss is avoided in combination with residual optimization fusion; meanwhile, a PEMA attention mechanism is introduced, the importance of different receptive field features is dynamically adjusted, the model focuses on key features, data information is captured more comprehensively, and therefore the detection performance is remarkably improved.

The invention discloses a fireman occupational health risk dynamic prediction method based on multi-modal data fusion, relates to the technical field of occupational health risk assessment, and aims to solve the problems of information loss, difficulty in capturing cross-modal complex dependence, lack of interpretability of prediction results and the like when unstructured data is processed in the prior art. The method comprises the following steps: intelligently analyzing a multi-modal document, and analyzing unstructured physical examination information into structured data; performing semantic standardization and knowledge graph dual verification of domain knowledge enhancement; the time-space-static cross-modal attention deep fusion network is used for modeling physiological, dynamic and situational data; and carrying out interpretable risk prediction and attribution. By adopting the technical scheme, the method can realize early, accurate, dynamic and high-credibility prediction of the occupational health risk of the firefighter, provides quantitative attribution, and improves the transparency and application value of the system.

The invention discloses a retrieval enhancement generation method and system based on a composite knowledge base, and belongs to the technical field of retrieval enhancement generation. Obtaining an original document, dividing the original document into text blocks according to paragraphs, and storing the text blocks into a vector database to form a text vector library; constructing a knowledge hypergraph based on the text blocks, and storing the knowledge hypergraph into a vector database to form a knowledge hypergraph database; obtaining cases and storing the cases into a vector database to form a case library; and obtaining a question input by a user, and generating a final answer by using a large language model based on a composite knowledge base formed by the text vector base, the knowledge hypergraph database and the case base. By constructing a composite knowledge base, the problems of context breakage, information loss, lack of professional expression and the like existing when an existing retrieval enhancement generation method is used for processing long documents are solved.

The invention discloses a multi-modal multi-scale retrieval enhancement generation method, system and device applied to external knowledge questions and answers and a medium. The method comprises question perception, multi-modal multi-scale query fusion coding, dense recall and answer generation. Analyzing a key query phrase from the question through a fine-tuned instruction language model, and accurately positioning a region of interest corresponding to the phrase in an image by using an open set visual positioning model; multi-source information is compressed and distilled into an optimal query vector through a deep fusion network integrating multi-head self-attention and an information bottleneck theory; executing a maximum inner product search to recall related knowledge; guiding the large language model to synthesize all information to generate a final answer; the system, the equipment and the medium directly perform feature fusion in the vector space based on the method, so that challenges such as information loss and cascading errors caused by a traditional normal form can be effectively dealt with, high correlation and high accuracy of retrieval knowledge are ensured, and accurate and reliable image-text questions and answers are realized.

The invention discloses a software requirement modeling method and device based on a natural language, equipment and a medium, and relates to the field of software requirement modeling. According to the software demand modeling method and device based on the natural language, the equipment and the medium, through automatic demand analysis and model generation, the manual workload is greatly reduced, and meanwhile, errors caused by manual understanding deviation are reduced; close connection among the steps is ensured by sharing intermediate representation and a unified data model, output of the previous step provides structured information for input of the next step, and information loss or distortion is avoided; a demand provider is allowed to participate in a model confirmation process through an iterative demand acquisition and modeling framework of man-machine cooperation, and the quality of a demand model is continuously improved; by means of the model consistency analysis technology based on the data flow dependency relationship, the problem of inconsistency between the requirement specification and the software model can be automatically detected, and the software product quality is improved.

The invention provides an infrared and visible light image end-to-end registration method based on phase consistency enhancement, and belongs to the technical field of electric digital data processing. The invention discloses an infrared and visible light image end-to-end registration method based on phase consistency enhancement, which comprises the following steps of: firstly, preprocessing infrared and visible light source images in an image database, and dividing the infrared and visible light source images into a training set and a test set; and constructing a feature extractor based on a phase consistency attention mask, realizing cross-modal consistency feature extraction, and focusing an important space region by using phase information. A self-defined ResSobeNet network is adopted for parameter estimation, and Haar wavelet transform is used for replacing pooling operation, so that information loss in a traditional down-sampling method is avoided. A double-branch generator structure is designed, affine parameters and an optical flow field are generated respectively, meanwhile, constraint on rigid registration and non-rigid registration is achieved, and finally a registration result is obtained through resampling of a space conversion module. According to the method, the problems that cross-modal consistent features are difficult to extract in the infrared and visible light image registration process and explicit registration steps are complicated and difficult to generalize are solved, and the method has good universality and practicability.

The invention discloses a management method, system and equipment for energy conservation prediction and a medium, and relates to the technical field of energy conservation optimization, and the method comprises the steps: collecting multi-source data of an energy use terminal, and carrying out the preprocessing of the multi-source data; and performing feature extraction and data analysis on the preprocessed data, and performing energy consumption prediction based on a deep neural network model. And generating an energy-saving strategy according to a prediction result, and performing dynamic optimization adjustment through a feedback mechanism. According to the method provided by the invention, the feature weight is adaptively adjusted through the L-VAE, the model calculation complexity is reduced, and the feature representation capability is improved, so that the energy consumption prediction can still keep efficient operation under the conditions of large data volume and complex features, and information loss is avoided. The method improves the adaptability of energy consumption prediction, enables the prediction result to be rapidly adjusted in the case of sudden load change, guarantees the prediction accuracy, and supports the making of a finer energy-saving strategy.

The invention relates to the technical field of security alarm, in particular to a home security integrated system and method based on artificial intelligence, and the system comprises a multi-source data collection module which collects environment data through an infrared sensor, a thermal imaging camera and a standard video camera, carries out the data fusion, and generates an environment data fusion result. According to the invention, the acquisition module fuses infrared, thermal imaging and video cameras, so that the monitoring coverage is expanded, the capability of capturing environmental details is enhanced, and the detection rate of abnormal behaviors is improved. Standardized monitoring data is generated through data fusion and format unified processing, high-quality input is provided for feature extraction and behavior analysis, data streams are optimized, and information loss is reduced. A pre-trained deep learning model is applied to an intelligent analysis module, recognition of complex behavior modes is enhanced, and the accuracy and timeliness of anomaly detection are improved.

The invention discloses a self-adaptive cross-domain remote sensing image semantic segmentation method based on an unsupervised domain, and the method comprises the steps: pre-training an encoder-decoder segmentation skeleton through a source domain image and a semantic tag of the source domain image; the difference between the domain invariant feature and the specific feature of the target domain is measured through the difference loss, and the reconstruction loss is applied to prevent information loss; the domain invariant high-level features of the source domain and the target domain are aligned based on an antagonism method; respectively processing high-layer and shallow-layer invariant features of a target domain through a main decoder and an auxiliary decoder of the decoders, and ensuring that prediction results of different levels of features are consistent by utilizing consistency loss; and fusing the domain-invariant high-level features and the specific features of the target domain to generate target domain fusion features, and optimizing the cross-domain adaptability of the decoder by aligning the prediction result of the target domain fusion features with the prediction result of the domain-invariant features. According to the method, the segmentation performance on the target domain is remarkably improved through feature decoupling and feature representation enhancement in combination with target domain self-learning based on pseudo labels.

The invention discloses a static database self-adaptive fuzzification desensitization implementation method for highly sensitive data in the power industry. The method comprises the following steps: a data preprocessing module, a sensitivity analysis module, a fuzzification algorithm module, a self-adaptive mechanism module and an effect evaluation and verification module. Compared with the prior art, the method has the advantages that 1, self-adaptive dynamic adjustment is performed: a desensitization strategy is automatically optimized according to data characteristics and use scenes, and privacy protection indexes (such as k-anonymity values) are improved by 30%-50%; 2, multi-dimensional balance: the information loss rate is reduced by 10%-20%, the query accuracy is improved by 5%-10%, and safety and service requirements are considered; 3, system expansibility: a plug-in architecture supports dynamic loading of new algorithms and rules, and a configuration management module realizes strategy real-time adjustment; and 4, compliance guarantee: through a law and regulation rule base and a compliance check algorithm, the compliance is ensured to meet the standard.

The present invention discloses a fusion method for multimodal data complementary, error correction and loss tolerance mechanisms. The steps include: collecting microwave data stream and infrared data stream under the same scene; extracting features from the microwave data and infrared data stream, adopting a multimodal feature fusion framework, and through adaptive learning of the weights of the features, performing complementary fusion of multimodal data; designing a multimodal generation network to generate lost modal data, and automatically identifying and correcting the registration error caused by the sensor by using the registration difference; performing fault tolerance processing on information loss and error correction, dynamically adjusting the weights of different modalities in the fusion, and enhancing the stability of the system in complex environments. Driven by deep learning, the complementary nature between multimodal data is fully exploited, the problems of information loss, registration error and fault tolerance are solved, the accuracy and robustness of microwave and infrared data fusion are significantly improved, and it is applicable to target detection and recognition in complex data fusion tasks.

The invention belongs to the technical field of target detection, and discloses an unmanned aerial vehicle image target detection method based on an improved RTDETR model, and the method introduces an FAPPA module in a backbone network, and effectively alleviates the information loss problem of small target features in a deep network. According to the method, a feedforward neural network of an AIFI module in an encoder is replaced by an EDFFN module, and high-frequency features such as edges and textures are selectively enhanced by using a patchwise FFT strategy and learnable frequency domain weights. Besides, according to the method disclosed by the invention, adaptive alignment of multi-scale features is realized by utilizing a Zoomcat module, and local details and global semantics are fused by utilizing a convolution attention double-path architecture of a CAFMFusion module, so that complementary information of different levels is fully utilized. According to the method, the unmanned aerial vehicle image target detection capability can be remarkably improved, and small target features in a complex background can be identified.

The invention relates to the technical field of artificial intelligence, can be applied to business scenes such as robot agent decision making, financial science and technology and medical health, and discloses a data sequence generation method, device and equipment based on joint modeling and a medium. Encoding is performed as a sequence of potential visual tokens and a sequence of action tokens, a unified potential representation is generated, a prediction sequence is generated using a visual diffusion decoder and an action diffusion decoder, a random mask is applied, a loss value is determined, parameters are optimized, loop training is performed, and a target future action sequence and / or a target future video frame sequence is generated. According to the method, the visual information and the action information are fused, the unified potential representation is constructed, the visual diffusion decoder and the action diffusion decoder are jointly optimized, error transmission and information loss caused by independent prediction are avoided, and the prediction accuracy under multi-modal data and the overall reasoning efficiency of the system are improved.

The invention discloses an underground target imaging method and imaging system based on variable scale deep learning, and belongs to the technical field of geophysical exploration, and the method comprises the following steps: S1, building a multi-scale magnetic survey data set; s2, constructing a UNet + +-based variable-scale deep learning network model, and performing feature fusion on pooled information and information subjected to split convolution by a dynamic information fusion layer so as to adapt to input data of any size and make up for information loss caused by pooling; s3, designing a multi-constraint loss function formed by mean square error and loss weighting; s4, migration learning is adopted, model parameters trained in a fixed size serve as initial weights, progressive training of multi-size data is achieved by freezing and fine tuning of decoder parameters, and finally the effectiveness of the whole network model is verified according to a test set prediction effect, so that the universality and flexibility of the network are improved when data of different sizes are processed, and the network performance is improved. And large-size data features in a specific area can be quickly adapted.

The invention discloses a multi-model game method for multi-scene intelligent safety management. The method comprises the following steps: acquiring multi-domain original data and generating information structure features; the heterogeneous indexes are uniformly mapped into information loss components based on the features, and stable routing of the game template is carried out in combination with sequential statistics and hysteretic decision; performing game payment-oriented decision sensitive subspace compression on the unified semantic state output after routing; a dynamic risk-to-go (dynamic risk surplus) time difference method is adopted to generate step risk signals meeting total amount conservation, and the step risk signals are injected into a compression space; and through online estimation of the spectral radius of the Jacobian matrix of the optimal response operator, an equilibrium vulnerability index is generated, and stability management and closed-loop adjustment of an equilibrium point are realized. According to the invention, the decision adaptability, stability and robustness of the intelligent system in a dynamic confrontation environment can be improved.

The invention provides a file classification method, device and equipment and a readable storage medium, and the method comprises the steps: converting a file classification task into a generation task of a large model, determining the classification path description information of each class node in each hierarchy through a preset multi-hierarchy classification structure, and carrying out the classification path description information of each class node in each hierarchy; the information comprises all nodes passing from a hierarchical root node to a category node and description information of classification categories of the nodes, and a hierarchical category result to which the file belongs is generated through reasoning by combining a large model with the classification path description information to represent a hierarchical classification category of the file, so that accumulative errors in a layer-by-layer classification process are reduced; the problem of classification performance reduction caused by information loss is avoided, and the file classification accuracy and classification efficiency are improved.

The invention relates to the technical field of artificial intelligence, in particular to an electric energy quality disturbance denoising method based on artificial intelligence. The invention discloses a power quality disturbance denoising method based on artificial intelligence. The method comprises the following specific steps: S1, collecting and marking signal data; s2, time-frequency domain weighted fusion preprocessing including time domain normalization processing, frequency domain wavelet transform, adaptive weight calculation and time-frequency fusion representation is carried out; comprising a dual-path feature encoder module, a self-adaptive feature fusion module, a gating jump connection decoder module, a denoising signal purification module, calculation of purification constraint terms, calculation of a total loss function and model iterative training and parameter updating, and S4, power quality disturbance denoising. The problems that in the prior art, information loss is likely to happen, feature extraction is insufficient, the denoising effect is unstable, and the precision of electric energy quality analysis is limited are solved.

The invention discloses a drainage pipeline defect identification method based on improved YOLOv10, and belongs to the field of defect detection and the field of image identification. The method comprises the following steps: collecting a drainage pipeline defect image, and executing preprocessing operation on a collected data set to obtain a data set serving as a training model; a backbone network and a head network of the YOLOv10 model are improved, and an improved YOLOv10 model is obtained; and training and verifying the improved YOLOv10 model by using the obtained data set serving as a training model to obtain an optimal YOLOv10 model of the drainage pipeline defect, and completing drainage pipeline defect identification. According to the method, a smoother category transformation basis is provided, information loss is reduced, the accuracy of feature extraction is improved, and the processing capacity of the model on small objects and low-resolution images is optimized. Aiming at the problems that the collected drainage pipeline defect image is not uniform in image illumination, the image resolution after framing processing is not high and the like, the detection efficiency and the detection precision of the model are improved.

The invention discloses a multi-modal image fusion model construction method, and particularly relates to the technical field of image fusion model construction. Interactive modeling of a modal contribution imbalance coefficient and a confidence coefficient estimation anomaly coefficient is introduced in a multi-modal image fusion process; a causal association between confidence prediction fluctuation and modal weight extreme is converted into a quantifiable cross-modal complementarity degeneration index, and the cross-modal complementarity degeneration index is used as a core adjustment mechanism to dynamically optimize a fusion weight and training regularization, so that the problem that a single mode is excessively amplified or mistakenly weakened is effectively inhibited on a fusion strategy level; according to the method, the structure retention capability of the model in edge details and texture regions is remarkably improved, and artifacts and information loss caused by modal complementarity degradation are avoided.

The invention discloses a multi-label arrhythmia detection method based on multi-scale space-time dynamic graph convolution, and the method comprises the steps: capturing the space-time feature information of an ECG signal through series gating time convolution and dynamic graph convolution; a feature fusion module is provided, the single-scale representation capability is enhanced through statistical feature assisted global-local feature fusion, redundant information is successfully removed through orthogonal gating multi-scale fusion, and a gating mechanism dynamically adjusts the importance of each scale feature in the feature screening process, so that the accuracy of the feature screening is improved. The sending end and the receiving end are added to further filter information, so that the risks of multi-scale feature overfitting and information loss are effectively avoided, the robustness and accuracy of the model are improved, and the situation that the most valuable information is not fully reserved during multi-scale spatial-temporal feature fusion due to the fact that redundant features are difficult to effectively distinguish in a traditional method is avoided. The method not only improves the accuracy and stability of the model, but also has high practicability, and can effectively support automatic diagnosis of arrhythmia.

The invention discloses a question answering system and method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence, and the method comprises the steps: recognizing an answering demand of a question consultation text through a task decision module, generating an answering task corresponding to the answering demand, and sending the answering task to a server; and at least one of the image answering model and the text answering model is called to answer the answering task to obtain the answering result, so that the combined answering demand of the text and the image or the processing of the image answering demand is realized, the information loss caused by transferring the image content into the text by the user is reduced, and the user experience is improved. And the task verification module is used for carrying out exception verification on the answering result, so that the answering accuracy of the question answering system is improved. Therefore, the technical problem that the answering accuracy of the question answering system is low can be solved, and the technical effect of improving the answering accuracy of the question answering system is achieved.

The invention discloses a partial discharge phase spectrogram classification method and system, and the method comprises the steps: recording the discharge energy and a power frequency phase corresponding to the discharge when power equipment generates partial discharge, obtaining a PRPD spectrogram of the partial discharge of the power equipment, carrying out the convolution and pooling feature extraction operation of the PRPD spectrogram, and carrying out the classification of the partial discharge phase spectrogram. Obtaining a convolution feature map containing the morphological features of the partial discharge clusters; performing kernel transformation on the convolution feature map with the partial discharge cluster morphological features through 1 * 1 convolution, and then obtaining an attention feature map by using self-attention calculation; based on the obtained self-attention feature map, discharge types and corresponding probabilities are obtained through full-connection calculation, a domain adversarial loss function is set, and based on the loss function and the calculated probability of each discharge type, a phase spectrogram classification neural network is trained; and utilizing the trained phase spectrogram classification neural network to realize partial discharge phase spectrogram classification. The focusing of key information can be effectively maintained, and information loss is avoided.

The invention provides a hybrid AI adaptive optimization system based on agent context engineering. The hybrid AI adaptive optimization system comprises a context knowledge base, a generation module, a feedback analysis module and a knowledge integration module. According to the method, the problems that in an existing context optimization technology based on a large language model (LLM), context Bias is simplified, Context Collapse is caused by overall rewriting, and the learning process is high in delay, high in cost, unstable and the like are solved.

The invention relates to a data bit width dynamic compression and decompression method for an edge computing system while drilling, and belongs to the technical field of data compression and storage. The method comprises the following steps: traversing a data set to be compressed, and taking any value smaller than the maximum value in the data set to be compressed as a reference value; calculating a difference value between each piece of data in the to-be-compressed data set and the reference value to obtain a plurality of pieces of differential data, and determining a target storage bit width according to a storage bit width corresponding to a maximum value in the differential data; and by taking the target storage bit width as a reference, encoding each piece of differential data to obtain a plurality of pieces of encoded data, and arranging the plurality of pieces of encoded data into a data stream according to an output sequence. According to the invention, the technical problem of low compression efficiency or key information loss easily caused by a compression method based on fixed reference differential coding in the prior art under the condition of coexistence of data local stability and local abrupt change is solved.

The invention relates to the field of machine learning, particularly discloses an artificial intelligence-based power system fault analysis and diagnosis method, and effectively solves the problem of information loss caused by neglecting a key waveform form in a transient signal in the prior art through a local feature extraction and serialization module. An original signal is converted into a local feature sequence with more characterization significance. Aiming at the averaging bottleneck of an existing model in an information aggregation stage, a traditional feature compression method is abandoned, and a sequence information aggregation and decision-making mechanism is provided. According to the mechanism, a context sensing sequence is regarded as a probability event, and modeling is carried out on the sequence from three orthogonal dimensions of a content center, time sequence dispersion and distribution uncertainty by calculating feature expectation, time sequence variance and information entropy of the context sensing sequence. The method can deeply insight and quantify the essential difference of different events in the time sequence dynamic evolution mode, thereby fundamentally solving the problem of misjudgment caused by feature confusion.