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585 results about "Diseases/diagnoses" patented technology

Disease diagnosis prediction method and system based on graph neural network

The invention relates to the technical field of artificial intelligence and medical diagnosis, in particular to a disease diagnosis prediction method and system based on a graph neural network. The disease diagnosis prediction method based on the graph neural network comprises the five steps of heterogeneous medical knowledge graph construction, adaptive node embedding representation, hierarchical graph attention network modeling, incremental learning dynamic graph updating and multi-dimensional feature input and result output. The invention discloses a disease diagnosis and prediction system based on a graph neural network. The system comprises a multi-source data acquisition module, a heterogeneous graph construction module, a self-adaptive embedding module, a graph network calculation engine, a dynamic updating module, a disease prediction module and a feedback optimization module. According to the method, the multi-modal heterogeneous knowledge graph is constructed to integrate the multi-dimensional data of the patient, and the hierarchical graph attention network and the dynamic incremental learning are combined, so that the accurate prediction of the disease risk and the visual explanation of the pathological association path are realized.
Owner:PINGDINGSHAN UNIVERSITY

Medical text-oriented intelligent disease diagnosis causal atlas construction method and system

The invention discloses a medical text-oriented intelligent disease diagnosis causal atlas construction method and system. The method comprises the steps of medical text related data acquisition, causal entity identification, causal relationship extraction and entity unification. The model and the method for automatically constructing the causal knowledge graph are realized, the functions of dynamic uncertain causal knowledge graph editing, clinical intelligent auxiliary diagnosis, automatic extraction of electronic cases and the like are provided, and multi-source fusion of medical text data and expert experience knowledge is realized, so that the accuracy and the reliability of the system are improved. And a disease causal knowledge graph with a certain clinical application value can be established.
Owner:COMMUNICATION UNIVERSITY OF CHINA

Intelligent labeling method and diagnosis system for fundus focus based on three-dimensional reconstruction

The invention relates to the technical field of ophthalmology medical diagnosis, and discloses a three-dimensional reconstruction-based fundus focus intelligent labeling method and diagnosis system. The method comprises the following steps: receiving multi-modal image data streams such as fundus color photos, OCT images and FFA images of an ophthalmological patient; performing spatial registration and feature fusion by using a pre-trained lesion feature fusion model to generate a three-dimensional lesion probability distribution diagram and a lesion category confidence matrix; constructing an adaptive annotation threshold model to generate a multi-modal annotation instruction set; based on the focus development chain model, focus development is simulated, and instruction set parameters are optimized and labeled; and iteratively optimizing through a distributed reinforcement learning framework, and outputting the focus labeling action sequence to an ophthalmology diagnosis platform. According to the method, multi-modal image information can be integrated, the diagnosis accuracy and efficiency are improved, personalized diagnosis is realized, resources are reasonably utilized, and powerful support is provided for ophthalmic disease diagnosis.
Owner:GUANGZHOU MINLE NETWORK TECH CO LTD

Systems and methods for vessel reactivity to guide diagnosis or treatment of cardiovascular disease

Systems and methods are disclosed for using vessel reactivity to guide diagnosis or treatment for cardiovascular disease. One method includes receiving a patient-specific vascular model of a patient's anatomy, including at least one vessel of the patient; determining, by measurement or estimation, a first vessel size at one or more locations of a vessel of the patient-specific vascular model at a first physiological state; determining a second vessel size at the one or more locations of the vessel of the patient-specific vascular model at a second physiological state using a simulation or learned information; comparing the first vessel size to the corresponding second vessel size; and estimating a characteristic of the vessel of the patient-specific vascular model based on the comparison.
Owner:HEARTFLOW INC

Multi-modal data fusion method and device, equipment and storage medium

The invention discloses a multi-modal data fusion method and device, equipment and a storage medium, and relates to the technical field of multi-modal data fusion, and the method comprises the steps: obtaining a target full-slice image and target clinical data, and obtaining corresponding clinical feature information based on the target clinical data; obtaining each piece of initial feature information corresponding to the target full-slice image by using the target multi-modal fusion diagnosis model and each preset transformation function, and carrying out weighted fusion operation on each piece of initial feature information to obtain image feature information; and dynamically adjusting weights of the clinical feature information and the picture feature information based on a preset attention gating mechanism, and performing adaptive fusion on the clinical feature information and the picture feature information to obtain a target multi-modal feature. The attention gating mechanism is utilized to control the data of different modes to perform adaptive fusion, so that the data of different modes can perform adaptive weight adjustment to perform fusion, the reliability of multi-mode features is improved, and the accuracy of a disease diagnosis result is further improved.
Owner:AUTOBIO LABTEC INSTR CO LTD

Neurodegenerative disease diagnosis method for constructing dynamic brain network based on adaptive graph structure learning

The invention discloses a neurodegenerative disease diagnosis method for constructing a dynamic brain network based on adaptive graph structure learning, and belongs to the technical field of artificial intelligence. The invention provides a self-adaptive graph structure learning multi-level nerve disease diagnosis framework, which can automatically learn and discover complex and deep connection modes among a plurality of brain areas so as to construct a dynamic brain network. According to the method, a global structure of a brain network is embedded into brain network construction based on a time window through a window mapping module, so that richness and accuracy of brain network topology feature representation are improved; in the fusion process of window features, a learnable time graph convolution module is provided to automatically capture time connectivity across time windows and effectively integrate high-order dynamic topological features extracted from different time windows. And finally, disease diagnosis and classification are realized by using a multi-layer perceptron. According to the method, the identification and classification accuracy of the neurodegenerative diseases under the fMRI data can be effectively improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Intelligent diagnosis method and system for common mental diseases based on multiple agents

The invention provides a common mental disease intelligent diagnosis method and system based on multiple agents, and relates to the field of medical artificial intelligence. The method comprises the following steps: S1, extracting diagnosis standards and symptom characteristics of common mental disorders, and constructing a similar patient knowledge base after verification and evaluation of the similar patient knowledge base and expert calibration; s2, acquiring clinical data from a hospital information system, and performing large medical record structuring, clinical scale simplification and scale score analysis on the clinical data to form a similar patient database; and S3, performing symptom matching and scale performance analysis on the input clinical data, constructing a multi-agent mental disease diagnosis framework, and performing multi-agent diagnosis debate based on the multi-agent mental disease diagnosis framework. The technical problems of symptom overlapping and diagnosis subjectivity among common mental diseases are solved by constructing a multi-agent cooperative diagnosis framework, introducing particle size symptom analysis and dynamically integrating structured authoritative medical diagnosis standards.
Owner:RENMIN HOSPITAL OF WUHAN UNIVERSITY (HUBEI GENERAL HOSPITAL)

Method for intelligently describing liver space-occupying lesion ultrasonic image content by using LLM

The invention relates to the technical field of medical image processing, and discloses a method for intelligently describing liver space-occupying lesion ultrasonic image content by using LLM. A liver ultrasonic image sequence, a patient historical medical record text and a blood biochemical index vector are obtained through a multi-modal data acquisition module, and features are extracted through a cross-modal contrast learning network to generate embedded vectors and align the embedded vectors. And inputting the aligned image embedding vector into a dynamic context sensing decoder, and generating a description text semantic mark sequence by using a layered multi-head attention mechanism. The confidence coefficient is evaluated through an uncertainty calibration module, and the text is optimized through a post-processing reordering mechanism when the confidence coefficient is lower than a threshold value. A real-time interaction optimization mechanism is further arranged, and the model is updated according to feedback of doctors. According to the method, multi-modal data are fused, description accuracy and reliability are improved, text quality is optimized, clinical requirements are met, and liver disease diagnosis is assisted.
Owner:THE FIRST AFFILIATED HOSPITAL OF WENZHOU MEDICAL UNIV

Multi-agent large model disease diagnosis knowledge reasoning system based on data dual drive

ActiveCN121583511AMedical data miningHealth-index calculationLaboratory Test ResultDisease risk
The invention discloses a multi-agent large-model disease diagnosis knowledge reasoning system based on data dual drive, and relates to the technical field of artificial intelligence assisted medical diagnosis. The system collects patient symptom follow-up records, laboratory test results, observation diagnosis probabilities and expert diagnosis recommendation results in a multi-source manner; time sequence evolution characteristics are extracted, a time sequence diagnosis sensitivity coefficient is calculated, and early recognition of disease risks is achieved; in combination with anti-fact simulation and statistical reasoning, a causal consistency coefficient is obtained and is used for verifying causal reasonability of observation diagnosis and contrast results; based on agent group consensus analysis, calculating a game consistency coefficient for judging the credibility of a diagnosis conclusion; positioning and multi-level verification are carried out on abnormal reasoning steps and knowledge fragments, so that the reliability and safety of a result are guaranteed; continuous optimization of the diagnosis model is realized through a log analysis and knowledge backflow mechanism; according to the invention, the accuracy, interpretability and safety of disease diagnosis can be obviously improved.
Owner:XIAMEN UNIV +1

Multimodal diagnosis and treatment scheme recommendation system based on reinforcement learning

The invention discloses a multi-modal diagnosis and treatment scheme recommendation system based on reinforcement learning, and relates to the technical field of artificial intelligence, and the system comprises a data processing module which is used for obtaining multi-modal medical data of a patient and carrying out the preprocessing of the multi-modal medical data to obtain a multi-modal data set; the feature extraction and fusion module is used for performing feature extraction and fusion based on the multi-modal data set to obtain multi-modal features as the current state of the patient; the training set acquisition module is used for constructing a decision network and inputting the current state of the patient to obtain a current diagnosis and treatment scheme, taking the current state of the patient and the current diagnosis and treatment scheme as data groups, and circulating the process to obtain a plurality of data groups to form a training set; the network optimization module is used for optimizing the decision network based on the training set and the core objective function to obtain an optimized decision network; and the optimal scheme output module is used for obtaining the current state of the patient to be recommended and inputting the current state into the optimized decision network to obtain an optimal diagnosis and treatment scheme. And the disease diagnosis accuracy and comprehensiveness are improved.
Owner:TIANJIN UNIV OF SCI & TECH

Integrated electrochemical biosensor capable of detecting double miRNAs with high sensitivity

The invention provides an integrated electrochemical biosensor capable of detecting double miRNA with high sensitivity, and the integrated electrochemical biosensor can simultaneously detect double miRNA markers with high sensitivity through self-assembly of a Y-shaped capture probe, preparation of an Au / TiO2-FTO array electrode, catalytic hairpin amplification (CHA) and construction of a micro-droplet chip electrochemical biosensor. The advantages of equalization of double-target miRNA capture probe sites, excellent electrode performance, reliable signal amplification, low sample consumption and the like are integrated, the linear range of miRNA21 and miRNA155 detection is 10 fM to 100 nM, and the detection limits are 5.00 fM and 5.17 fM respectively. By detecting the miRNA21 and miRNA155 double markers, the accuracy of breast cancer diagnosis is up to 98%, and the recognition sequences at the two ends of the Y stent probe are modified, so that the sensor can be used for diagnosing other miRNA marker related diseases. The integrated micro-droplet chip electrochemical biosensor constructed by the invention has a remarkable clinical diagnosis value and a prominent practical application prospect.
Owner:WUHAN UNIV OF SCI & TECH

Medical auxiliary diagnosis method and system based on convolutional neural network

The invention discloses a medical auxiliary diagnosis method and system based on a convolutional neural network, and relates to the field of medical big data analysis, and the method comprises the steps: collecting various types of medical data, which comprise medical image data, electronic medical record text data and vital sign monitoring data; constructing a convolutional neural network model with a multi-branch structure; preparing a training data set containing labeled samples, wherein labeled information comprises disease diagnosis results and disease severity grades; training the convolutional neural network model by using the training data set, dynamically adjusting the learning rate in the training process by adopting a stochastic gradient descent optimization algorithm and combining a learning rate attenuation strategy, and introducing a regularization method; inputting to-be-diagnosed medical data into the trained convolutional neural network model, and outputting disease diagnosis probability distribution and disease severity prediction results through forward propagation calculation of the model; and generating a medical auxiliary diagnosis report according to the output prediction result.
Owner:YOUJIANG MEDICAL UNIV FOR NATIONALITIES

AI-driven disease diagnosis and curative effect monitoring analysis system

The invention discloses an AI-driven disease diagnosis and curative effect monitoring analysis system, which comprises a data processing module used for collecting multi-source diagnosis and treatment data and constructing a multi-modal sample set; the diagnosis prediction module is used for generating a diagnosis label, a diagnosis confidence value and a prediction curative effect trend through a multi-task learning model; the curative effect comparison module is used for collecting actual curative effect data, constructing a curative effect observation sequence and generating a curative effect deviation sequence based on the curative effect observation sequence and the predicted curative effect trend; the credibility evaluation module is used for executing credibility review based on the curative effect deviation sequence and the diagnosis confidence value; and the path evolution module is used for recording continuous multi-round diagnosis correction results, generating a jump type diagnosis path and updating a diagnosis and treatment data chain. The dynamic closed-loop verification mechanism between the multi-mode diagnosis and treatment data and the predicted curative effect trend improves the accuracy of disease diagnosis, the reliability of curative effect prediction and the adaptability of the diagnosis and treatment process.
Owner:GUANGZHOU YUXING TECH CO LTD

Postoperative prognosis prediction system for liver cancer liver transplantation

The invention belongs to the field of liver cancer liver transplantation, and provides a liver cancer liver transplantation post-operation prognosis prediction system, which comprises a data acquisition module used for acquiring clinical data of a liver cancer patient from a plurality of data sources, including patient basic information, disease diagnosis information, drug use information and patient body function information; the data processing module is used for preprocessing the collected data, including data cleaning, missing value filling, data standardization and data integration, so as to ensure the quality and consistency of the data; by integrating multi-source data and combining advanced algorithms and models, accurate prediction of prognosis of patients after liver cancer liver transplantation is achieved, warning is automatically given out when a risk threshold value is reached, timely and accurate early warning information is provided for medical staff, and by collecting medicine use information and patient body function information, the patient prognosis is accurately predicted. And the physical condition of the patient can be obtained in real time through long-term monitoring, so that the prognosis prediction result is more accurate.
Owner:AFFILIATED HUSN HOSPITAL OF FUDAN UNIV

Automatic image segmentation and identification system for radiology department

The invention relates to an automatic image segmentation and recognition system for the radiology department, and relates to the technical field of intelligent medical treatment. Comprising the following steps: an image preprocessing module provides a high-quality image for subsequent analysis by applying a multi-scale transformation and adaptive filtering technology; the feature extraction and fusion unit accurately excavates features by means of a CNN and an attention mechanism; the disease diagnosis reasoning engine is combined with the RNN and a medical knowledge base to deduce disease details; and the personalized treatment scheme recommendation module customizes a scheme by using reinforcement learning according to diagnosis and patient information. In addition, the system also comprises a virtual case generation unit, a model interpretability analysis unit, a self-supervised pre-training unit, a continuous learning unit, a distributed cooperative training architecture and a cross-platform adaptive interface. The method comprises the steps of collecting and standardizing image data, inputting the image data into a system to obtain diagnosis and schemes, and visually displaying auxiliary decision-making. The system efficiently processes radiology department images, improves diagnosis accuracy, optimizes a treatment scheme, adapts to multi-center and multi-platform requirements, and is expected to promote intelligent development of radiology department diagnosis and treatment.
Owner:牛灵芝

Medical record diagnosis and surgical operation code intelligent generation method and system based on AI

The invention provides an AI-based medical record diagnosis and surgical operation code intelligent generation method and system, and relates to the technical field of medical information, and the method comprises the steps: obtaining multi-modal data from a hospital information system, including a text medical record, a medical image, a surgical video and a pathological report; entities and relationships are extracted through a multi-modal fusion model, and a hospital-level disease knowledge graph containing space-time dimensions is constructed; training a coding rule generation model and a verification model based on a reinforcement learning framework, and generating candidate codes and confidence scores thereof; and correcting the candidate codes according to manual feedback, and dynamically updating the knowledge graph and the rule base by using the graph neural network. Accurate disease diagnosis codes and surgical operation codes are generated in an intelligent mode, and the accuracy of the codes can be remarkably improved through automatic medical record code recommendation.
Owner:WUHAN XINGXUE DATA TECH CO LTD

Disease diagnosis method and system based on neural network cognitive diagnosis

The invention relates to the technical field of disease diagnosis, and comprises a disease diagnosis method and system based on neural network cognitive diagnosis, and the method comprises the following steps: obtaining medical image data, calculating the gray level change rate, gradient direction distribution and edge continuity of a lesion region, counting the lesion tissue damage area, and analyzing the pathological tissue damage degree. And obtaining a lesion distribution consistency index. According to the invention, through comprehensive calculation of the medical image data and the pathological tissue slice data, fine-grained description of a focus area is realized, association among different lesion features is realized, and calculation of a lesion propagation path matching rate is realized, so that identification of lesion diffusion conditions is more accurate, and development trends of diseases in different tissue structures can be effectively predicted; the calculation of the cross-modal feature error is combined with the adjustment of the distribution weight of the lesion region, misdiagnosis caused by modal difference and extraction of abnormal signals in a lesion diffusion range are reduced, so that screening of potential diseases is more targeted, and the accuracy of disease recognition is improved.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY +1

Intelligent sacroiliac joint lesion identification method and system based on MRI (Magnetic Resonance Imaging)

The invention relates to the technical field of disease diagnosis, in particular to a sacroiliac joint lesion intelligent identification method and system based on MRI, and the method comprises the steps: data preparation and enhancement, multi-expert collaborative labeling, mixed 3D-2D model processing, verification and optimization, and deployment and interaction. Compared with the prior art that a scheme for detecting the sacroiliac joint lesion by adopting a single 3D CNN or 2D CNN model has the problems of inaccurate positioning of an anatomical structure and loss of inter-layer feature association, resulting in insufficient sensitivity and specificity, the method provided by the invention has the advantages that through an improved hybrid 3D-2D model architecture, spatial features are extracted by utilizing the 3D CNN and an inter-layer dependency relationship is modeled in combination with Transform, so that the sensitivity and the specificity of the sacroiliac joint lesion detection are improved, and the detection accuracy of the sacroiliac joint lesion detection is improved. Meanwhile, spatial pyramid pooling and a channel attention module are adopted to enhance the multi-scale feature extraction capability, so that the method has the advantages that the lesion detection sensitivity and specificity are remarkably improved, the bone marrow edema region can be more accurately recognized, and the misdiagnosis rate is reduced.
Owner:SHENZHEN INST OF IMMUNOLOGICAL MEDICINE TRANSFORMATION (LONGHUA) +1

Fruit and vegetable disease and insect pest spectrum database dynamic evolution updating and diagnosis optimization method based on model confidence feedback driving

The invention discloses a fruit and vegetable disease and insect pest spectrum database dynamic evolution updating and diagnosis optimization method based on model confidence feedback driving. Comprising the following steps: acquiring spectral data; based on the disease diagnosis model, outputting a corresponding model confidence coefficient; executing a calibration module, and outputting a calibrated model confidence coefficient; based on a preset confidence model, judging whether the model confidence is not less than a threshold value of high model confidence; based on the expert system module, judging whether the corresponding model confidence is not less than a threshold value of low model confidence; if so, executing an expert reexamination process; if not, inputting an abnormal sample library; and obtaining the number of newly added expert samples, a low confidence ratio and an interval to the last training time, executing an incremental training module, and outputting an instruction for updating and optimizing the disease and pest spectrum database and the abnormal sample library. And a data updating and model optimization mechanism for cooperative work of experts and models is established, so that misjudgment accumulation caused by excessive confidence of the models is effectively prevented, and the reliability of entering a database is ensured.
Owner:NINGXIA UNIVERSITY

Raman spectrum automatic focusing system and method for detecting pathological tissue sample

The invention discloses a Raman spectrum automatic focusing system and method for detecting a pathological tissue sample, and the system comprises a light source module which is used for generating laser with a preset wavelength so as to irradiate the pathological tissue sample; the automatic focusing module integrates a mechanical structure and an image recognition algorithm, and performs automatic focusing on the surface of the sample through a low-pass spectroscope, an objective lens, a focusing camera, a controller and a focusing execution mechanism; the spectrum analysis module is used for collecting and analyzing Raman scattering light generated by interaction of the focused exciting light and the pathological tissue sample on the basis of a Raman spectrum analyzer, and by integrating the stable light source, the automatic focusing module, the spectrum analysis module and the data processing module, rapid, accurate and automatic detection of the pathological tissue sample is achieved; the method has the advantages of simplicity and convenience in operation, high detection speed, high resolution, high automation degree and the like, is widely applied to the fields of clinical pathological detection, biomedical research and the like, and provides powerful support for disease diagnosis.
Owner:SHANDONG UNIV +1

Implementation method of Raman spectrum multi-component signal unmixing based on multi-modal time-frequency domain transformation and deep learning

According to the invention, the multi-mode time-frequency domain conversion and the deep learning technology are combined, and a multi-component mixed Raman spectrum unmixing method is developed, so that clinical in-vivo and in-situ detection and disease diagnosis of novel Raman probes, instruments and the like are facilitated. The method comprises the following steps: (1) converting a mixed Raman spectrum from a time domain to a frequency domain by using fast Fourier transform (FFT), discrete cosine transform (DCT) and discrete sine transform (DST), and extracting frequency domain features; (2) extracting multi-scale local time-frequency domain characteristics of the mixed spectrum by using short-time Fourier transform (STFT) and discrete wavelet transform (DWT); (3) carrying out spectral unmixing calculation in each mode in combination with a one-dimensional attention mechanism U-shaped neural network model; and (4) fusing various modal unmixing results by using a meta-learning method, and analyzing the weight of each modal to obtain an accurate unmixing spectrum. Compared with a traditional Raman spectrum analysis method, the Raman spectrum multi-component signal unmixing method based on multi-modal time-frequency domain transformation and deep learning can accurately separate independent Raman signals of different tissue structures and biochemical components in a complex environment in a living body, so that the unmixing accuracy of the Raman spectrum multi-component signal is improved. Therefore, convenience is provided for subsequent disease mechanism analysis and diagnosis. The method provides an innovative and potential solution for in-vivo and in-situ detection analysis and disease diagnosis of medical clinical Raman spectroscopy.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Temporomandibular joint disease intelligent diagnosis method and device based on multi-modal data

The invention provides a temporal-mandibular joint disease intelligent diagnosis method and device based on multi-modal data, and the method comprises the following steps: obtaining multi-modal medical data, and extracting the vector representation of each piece of multi-modal medical data to form a knowledge vector library; extracting entities, entity relationships and events from the multi-modal medical data, and establishing a disease diagnosis knowledge graph based on the entities, the entity relationships and the events; and obtaining to-be-diagnosed data, and matching the to-be-diagnosed data with the disease diagnosis knowledge graph in the knowledge vector library to obtain an optimal diagnosis method. According to the scheme, the knowledge vector library and the disease diagnosis knowledge graph are constructed by acquiring the multi-modal medical data, feature extraction and analysis are performed on different modal data in multiple modes, the different modal data are integrated into the knowledge graph, and meanwhile, the optimal diagnosis result is acquired based on multi-mode matching weighted sorting of the to-be-diagnosed data, so that accurate and intelligent diagnosis is realized.
Owner:HANGZHOU FENGYA MEDICAL TECH CO LTD

Big-small model collaborative diagnosis system based on federated learning and knowledge transfer

The invention relates to a big-small model collaborative diagnosis system based on federated learning and knowledge transfer. Comprising a data processing layer used for acquiring a to-be-diagnosed multi-modal medical examination data set and performing cross-modal feature processing to obtain cross-modal fusion features; the cross-modal fusion feature comprises a cross-modal alignment feature and text embedding; the large-small model collaborative architecture layer is used for performing disease preliminary screening according to the cross-modal fusion features, and calling a corresponding model for disease diagnosis according to a preset diagnosis strategy to obtain a diagnosis result; the encryption federal layer is used for encrypting bidirectional knowledge transmission between the edge end small model and the cloud end large model by using an encryption mechanism; and the bidirectional dynamic knowledge routing layer is used for bidirectionally optimizing the edge-end small model and the cloud-end large model based on a bidirectional dynamic routing mechanism in combination with the diagnosis result. By adopting the system, the diagnosis performance, the real-time response capability and the privacy protection level can be guaranteed, and meanwhile, the dynamic collaboration among model collaboration, knowledge evolution and data compliance is realized.
Owner:NINGXIA UNIVERSITY

Insurance product personalized recommendation system based on artificial intelligence

The invention relates to an insurance product personalized recommendation system based on artificial intelligence, and the system comprises a customer portrait module which extracts implicit features and dominant features in portrait data through a preset deep neural network technology, and constructs a customer portrait knowledge graph based on the combination of the implicit features and the dominant features; the insurance product knowledge base module is used for collecting various insurance product data, extracting implicit attributes and dominant attributes of insurance products in the insurance product data by utilizing a preset natural language processing technology, and combining the implicit attributes with the dominant attributes to construct an insurance product knowledge graph; the disease diagnosis module is used for acquiring the doctor seeing information of the customer and extracting the disease diagnosis information of the customer based on the doctor seeing information so as to predict the future health condition and the disease risk level of the customer according to the disease diagnosis information; and the insurance recommendation module is used for generating an insurance recommendation list of the customer according to the customer portrait knowledge graph, the insurance product knowledge graph, the future health condition of the customer and the disease risk level.
Owner:SHANGHAI BAOYUN NETWORK INFORMATION SERVICE CO LTD

Interstitial lung disease diagnosis method and system based on artificial intelligence

The invention discloses an interstitial lung disease diagnosis method and system based on artificial intelligence, and the method comprises the steps: carrying out the structural processing of clinical data of a patient, constructing a multi-dimensional hypergraph structure, inputting a variational graph auto-encoder model under a constraint condition, carrying out the coding, and introducing a pathological feature constraint to generate a hidden variable; extracting high-order features by using an artificial intelligence multi-dimensional hypergraph neural network, and inputting the high-order features into a diagnosis model based on a deep neural network for optimization training; and finally, processing to-be-detected data according to the same process, calculating a diagnosis probability value, and outputting a result in combination with a threshold value. The system comprises six units including a data structured processing unit, a coding feature extraction unit, a feature aggregation unit, a model training optimization unit, a diagnosis reasoning unit and a result generation unit which are mutually connected and cooperatively work. Through multi-dimensional hypergraph modeling and a pathological constraint mechanism, the problems of poor multi-modal data fusion and lack of pathological feature constraints of a traditional method are effectively solved, and efficient and accurate diagnosis of interstitial lung diseases is realized.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Medical image diagnosis system based on image and text feature fusion

The invention belongs to the technical field of medical image processing, and discloses a medical image diagnosis system based on image and text feature fusion, and the system comprises an image processing module which is responsible for carrying out the enhancement, segmentation and feature extraction of a medical image; the text analysis module is responsible for extracting key clinical information from the electronic medical record; the semantic alignment and feature fusion module is used for embedding image features and text features into a unified vector space to realize fusion of multi-modal data; the model training and optimizing module is responsible for training and optimizing a medical diagnosis system model; and the clinical application module is responsible for applying the trained medical diagnosis system model to an actual medical environment to assist doctors in disease diagnosis. According to the medical image diagnosis system based on image and text feature fusion, by combining image enhancement, morphological processing, NLP analysis and multi-modal feature fusion, the illness state of a patient can be understood more comprehensively, the diagnosis accuracy is improved, and a more reliable auxiliary decision making basis is provided for doctors.
Owner:TIANJIN UNIV +1

Medical image segmentation system and method based on wavelet bridge diffusion model and efficient conditional random field

The invention relates to the cross technical field of artificial intelligence and medical image processing, in particular to a medical image segmentation system and method based on a wavelet bridge diffusion model and an efficient conditional random field. A WBDM-ECRF framework is constructed and comprises a discrete wavelet transform module, a BDM-T module, a BDM-S module and an ECRF module; decomposing the image through discrete wavelet transform, extracting a low-frequency sub-band, and enhancing the contrast ratio of a focus and normal tissues; the BDM-T takes U-Net as a backbone, integrates a FlashAttention mechanism, and optimizes a variance formula to realize efficient training; the BDM-S adopts a leapfrog sampling strategy, so that the reasoning time is greatly shortened; the ECRF introduces a multivariate potential function of a structural similarity index and smooth operation through edge expansion, and accurately optimizes edge segmentation. According to the method, the dependence of marked data is reduced, the training and reasoning efficiency is improved, the problem of fuzzy edge segmentation is solved, the Dice coefficient and intersection-union ratio performance on the ISIC data set is excellent, and reliable quantitative support is provided for disease diagnosis and treatment.
Owner:YIMIJI TECHNOLOGY (GUANGZHOU) CO LTD

Remote disease diagnosis method based on audio and video technology

The invention discloses a remote disease diagnosis method based on an audio and video technology, and relates to the technical field of medical treatment. Compared with a previous remote diagnosis method, the problem that diagnosis depends on a single data source in the prior art is solved; processing the physiological signal depending on a fixed rule or a static model; solving the problems of interpretable defects and lack of causal reasoning ability of the black box model; in the signal processing level, the audio causal separation technology based on the dynamic causal diagram improves the fidelity of pathological sound, and the Retinex illumination compensation is combined to reduce the blood oxygen detection error of the low-light scene, so that the bottleneck that the traditional single-mode signal is easily interfered by the environment is broken through; and in combination with the dynamic causal diagram and the causal diagram of the causal hidden space, the trust crisis of the black box model is effectively solved, the limitation of traditional remote diagnosis is broken through, and a technical foundation is laid for constructing an intelligent and credible remote medical system.
Owner:SHANGHAI PUYUE HEALTH TECH CO LTD

Mental disease medical auxiliary diagnosis method based on bimodal knowledge graph and related device

The invention discloses a mental disease medical auxiliary diagnosis method based on a bimodal knowledge graph and a related device, and relates to the technical field of mental disease diagnos.The method comprises the steps that a static medical diagnosis knowledge graph is constructed; generating a scenarized problem library based on the static medical diagnosis knowledge graph; dynamically updating a personal dynamic knowledge graph based on interaction between the scenarized question library and a user; and finally, optimizing the static medical diagnosis knowledge graph based on the personal dynamic knowledge graph. According to the invention, through cooperation of the static and dynamic knowledge maps, objectivity, dynamics and accuracy of mental disease diagnosis are improved, and closed-loop management of medical auxiliary diagnosis is realized.
Owner:BEIHANG UNIV

Method for using CBCT for automatically positioning tooth

The present invention relates to the technical field of dental medical treatment, and specifically discloses a method for using a CBCT (Cone Beam Computer Tomography) for automatically positioning a tooth, which comprises the following steps: S01, archiving CT data; S02, calculating AI and generating AI results; S03, entering CT reading by a client; S04, downloading and loading the CT data; S05, opening a function of a tooth lens; S06, selecting a corresponding tooth position in a tooth position list; and S07, selecting a 3D tooth rendering mode. The function of the ‘tooth lens’ is added into traditional CT reading, which is suitable for clinical disease diagnoses such as ‘tooth extraction, root canal therapy, tooth repair’ and the like in oral treatment, and doctors can precisely and quickly position the single tooth through selection for the tooth position, which facilitates more comprehensive analysis.
Owner:FUSSEN TECH CO LTD