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3183results about How to "Improve learning efficiency" patented technology

Intelligent arrhythmia diagnosis method based on multiple-lead and convolutional neural network

The invention provides an intelligent arrhythmia diagnosis method based on multiple-lead and a convolutional neural network. The method includes the steps that 1, data samples are selected; 2, arrhythmia types are labeled; 3, led heartbeat signals are intercepted; 4, a normalized heartbeat set is obtained; 5, a concealed layer and an output layer are constructed; 6, a target function is set; 7, sample training is conducted; 8, arrhythmias classification is applied. According to the intelligent arrhythmia diagnosis method, network learning efficiency and precision of automatic arrhythmia diagnosis can be improved by training the convolutional neural network (CNN) through multiple-lead electrocardiogram data, a universal frame and a specific method for training the CNN through the multiple-lead electrocardiogram data with arrhythmia type labels are achieved, the arrhythmia types of electrocardiosignals to be diagnosed can be accurately judged, and the arrhythmia types can serve as diagnosis results or as reference of doctors.
Owner:SHANDONG UNIV QILU HOSPITAL +1

Method and device thereof for providing individualized learning for user by using computer system

The invention provides a technical scheme for providing individualized learning for a user by using a learning system prestored with knowledge points of preset arrangement, corresponding knowledge contents and evaluation contents, and answers. The learning system provides the knowledge content and the evaluation content of each knowledge point for the user through the interaction with the user, analyzes the answer given by the user to the evaluation content through the preset answer, and determines the subsequent learning knowledge point for the user. The learning system provides different knowledge learning tracks and different learning contents for the users with different learning effects, thereby realizing the technical scheme of individualized learning. In addition, the learning system can record the whole learning procedure of each user, and helps the user effectively determine the knowledge points to be learned later. The recorded procedure information includes the error evaluation contents fed back by the user and can be convenient for providing the user to review at any moment, thereby improving the learning efficiency and the learning effect.
Owner:梁昌年

Interaction method and interaction system based on mobile classroom

The invention discloses an interaction method based on a mobile classroom. Operation of a teacher end includes the steps that a teacher end logs into a system, selects a textbook, controls student ends, displays course content on a full screen, takes notes, underlines key points, records and uses an eraser on a page of the book needing to be explained, can add or delete labels on a certain page of the textbook, interacts with the student ends, evaluates students, releases knowledge points and finishes a class. Operation of the student ends includes the steps that the student ends log into the system, select the textbook and display the textbook on full screens, wherein the content displayed by the student ends and the content displayed by the teacher end are consistent; the student ends take notes and conduct other operation; the student ends check evaluation from a teacher after taking participation in interaction; the student ends resolve the knowledge points, and then the class is over. The teacher end can check online conditions of the students in real time and can control textbooks of the students, pages are turned according to the teaching process of the teacher, the concentration degree of the students in the class is improved, the students keep in step with the teacher, learning efficiency of the students is improved, and the teaching system has the teaching activity management function.
Owner:苏州国锦智承信息科技有限公司

An aircraft path prediction method based on depth memory network

The invention discloses an aircraft track prediction method based on a depth memory network. Firstly, the method extracts the historical aircraft track data and preprocesses the data to form an aircraft track information data sequence under a time sequence. On this basis, the input and output sample characteristics are constructed, and the samples are standardized to generate dimensionless training data set. Then, the attention mechanism model is integrated into the long-term and short-term memory network structure, and the structural parameters are initialized to construct the track prediction neural network. Finally, the track prediction network is trained and optimized, and the track prediction network model with high prediction accuracy is obtained.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Method and system for network protocol recognition based on tri-classifier cooperative training learning

The invention relates to a method and a system for network protocol recognition based on tri-classifier cooperative training learning. The method comprises the following steps: carrying out IP (Internet Protocol) regrouping and TCP (Transmission Control Protocol) traffic reduction on network original traffic, and stipulating the unit of network data from original packets to flow; extracting each message of unidirectional flow feature information and vectoring to build a feature matrix; building a tri-classifier cooperative training classifier with few identified samples; judging whether a classifying model of an analyzed protocol exists or not, and utilizing a tri-classifier cooperative training learning method to build a protocol classifier if the classifying model does not exist, otherwise, judging the protocol attributes of data packets; training by a tri-classifier cooperative training learning algorithm based on J48 and obtaining the classifying model of the analyzed protocol; carrying out protocol type judgment on network data packets not identified, and outputting two classes of results: one class refers to the network data packets belonging to the target protocol, and the other class refers to network data packets not belonging to the target protocol. High recognition accuracy and high recalling rate are ensured by the method.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI

Nutrient meal-following food and producing method thereof

The invention discloses a nutrient meal-following food and a producing method thereof. The nutrient meal-following food is characterized by comprising the following components in parts by weight: 0.5-1.5 parts of polished round-grained rice, 0.5-1.5 parts of white rice, 0.5-1.5 parts of black rice, 0.5-1.5 parts of barley, 1.5-2.5 parts of buckwheat, 0.5-1.5 parts of wheat, 1.5-2.5 parts of oats, 1.5-2.5 parts of coix seeds, 1.5-2.5 parts of millets, 1.5-2.5 parts of corns, 1.5-2.5 parts of broomcorn and 1.6-2.4 parts of sesames. The producing steps are as follows: (1) mixing and cleaning the raw materials, and then soaking the mixture for 8-12 hours (2) steaming the raw materials thoroughly and then airing the raw materials to 30 DEG C; (3) adding fermentation strains and the raw material soaking water in the step (1) into the raw materials in the former step and mixing uniformly; (4) fermenting at a constant temperature of 30 DEG C for 30-35 hours; (5) repeating the step (3); (6) fermenting at a constant temperature of 30 DEG C for 24-30 hours; (7) grinding the well-fermented raw materials into paste; (8) drying the paste into powder and packaging the powder in a sealing manner. The nutrient meal-following food has rational allocation, results in no digestion discomfortableness to the intestines and stomach as the surfaces of the coarse grains are softened through biological fermentation, and is better for the absorption of an organism as the plant cell walls are destroyed by enzymes under the action of microorganisms.
Owner:姜桂英

Personalized learning method and learning device

The invention relates to a personalized learning method and a personalized learning device which can be used for educational electronic products. The learning device comprises an answering unit, a matching unit and a recommending unit, wherein the answering unit is used for receiving question content and searching corresponding knowledge points in a preset database according to the question content, the matching unit is used for searching and providing corresponding exercise content in the preset database according to the knowledge points, and the recommending unit is used for receiving answering content that corresponds to the exercise content and performing statistical calculation on the knowledge points according to the answering content so that learning content can be recommended according to a statistical result. According to the personalized learning method and learning device, classroom learning content is divided into a plurality of knowledge points, a simplified, independent and personalized learning scheme can be recommended according to question conditions in allusion to each knowledge point, spare time of students can be fully utilized and learning questions are centralized and solved one by one, and the learning efficiency of the students is greatly increased.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD

Subject evaluation system and method based on knowledge point system

The invention discloses a subject evaluation system and method based on a knowledge point system. The subject evaluation system and method based on a knowledge point system comprise a database module, a knowledge point selection module, a quiz evaluation module and a stage-passing grade module, wherein the database module comprises a quiz unit and a knowledge point unit; the quiz unit comprises a quiz sub unit, a quiz analysis sub unit and a quiz difficulty level sub unit, and is used for selecting questions for a test and automatically judging the test performance when a student submits the questions; each test question of the quiz sub unit is related with one or more knowledge points in the knowledge point unit; the knowledge point selection unit comprises a chapter selection unit, a blind test, a difficulty selection unit and a quiz generation unit; and the quiz evaluation module is used for evaluating the test paper completed by the student and the situation about mastering of knowledge points. The subject evaluation system and method based on a knowledge point system forms an objective and reasonable evaluation reference for learning and mastering of knowledge points for students, and provides an accurate basis for 'what to practice' for students so as to comprehensively improve the learning efficiency.
Owner:浙江通关教育科技有限公司

Car driver driving skill practice guiding and examination scoring device and realization method

ActiveCN102768811ATimely voice promptRealize voice monitoring recordTeaching apparatusDigital videoSkill sets
A car driver driving skill practice guiding an examination scoring device comprises a core plate and an interface baseplate connected with the core plate, wherein the core plate comprises a DSP digital processing unit, an embedded MCU micro-controller, a program storage, a data storage and interface connector plugins; the DSP digital processing unit and the embedded MCU micro-controller are taken as the center namely a hardware platform of the device; the DSP digital processing unit is responsible for processing digital audios and digital video so as to obtain state data required by movement locus of an examination vehicle and other information; the embedded MCU micro-controller provides an operation platform for an operating system; and in addition to the interface connector plugins, interfaces containing corresponding interface circuit devices are also arranged on the interface baseplate. A realization method for car driver driving skill practice guiding an examination scoring, by means of the device, can improve the reliability of measurement data of the actual position of the examination car. Therefore, the integration level of functions of the vehicle-mounted equipment is improved, and the purchase and the maintenance cost for the customer are lowered.
Owner:LIUZHOU GUITONG TECH

Hyper-spectral remote sensing image classifying method based on AdaBoost

The invention discloses a hyper-spectral remote sensing image classifying method based on AdaBoost. A traditional mode identification method cannot meet the requirements of carrying out high-efficiency and high-precision classification on hyper-spectral data with high data dimensions and great data quantity; and although a neural network and a support vector machine can effectively classify remote sensing data, an ideal selection method of parameters does not exist. The hyper-spectral remote sensing image classifying method based on the AdaBoost comprises the following steps of: pre-processing the hyper-spectral data to remove abnormal wave bands influenced by factors including atmosphere absorption and the like; then utilizing MNF (Minimum Noise Fraction) conversion to carry out wave band preferential selection to achieve the aims of optimizing data, removing noises and reducing dimensions of the data; then, dividing a training sample and a test sample; selecting a decision stump as a weak classifier and utilizing an AdaBoost algorithm to train the weak classifier to obtain a strong classifier; selecting suitable iterations; and finally, utilizing a one-to-one method to establish a plurality of the classifiers. According to the hyper-spectral remote sensing image classifying method based on the AdaBoost, the convergence rate is enhanced and the classification performance of a hyper-spectral image is improved.
Owner:徐州智控创业投资有限公司

Ultrasonic auxiliary scanning method and ultrasonic auxiliary scanning system

Disclosed in the present invention are an ultrasound-assisted scanning method and system. On the basis of generating a real-time ultrasound image, carrying out matching operations on the acquired real-time image and the library image in the image library, so that the correctness of the current scanning operations is immediately fed back to the user. The method can further output image-text help information according to a matching result. If the current real-time image is the standard section image of an tissue or an organ, the relevant image-text information of the standard section is automatically exported, thereby improving the ease of the operations. If failing to obtain the standard section image, prompting the user on how to adjust the position of the probe, thereby quickly and accurately obtaining the desired image. The method and system of the present invention improve the user interaction and user guidance, and can significantly improve the assisted scanning effect.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD

Multi-unmanned aerial vehicle task decision-making method based on MADDPG

ActiveCN111880563AEfficient task decision-makingMission fulfillmentPosition/course control in three dimensionsDecision modelSimulation
The invention discloses a multi-unmanned aerial vehicle task decision method based on MADDPG, which introduces an MADDPG algorithm into multi-unmanned aerial vehicle task allocation, and comprises thesteps of firstly establishing a two-dimensional combat environment model required by deep reinforcement learning according to the actual combat environment of multiple unmanned aerial vehicles, secondly establishing mathematical description of various threats such as air defense missiles in the combat environment of the multiple unmanned aerial vehicles, and finally, taking the tracks and distances of the multiple unmanned aerial vehicles and the defense threats of the battlefield as constraint conditions, and performing learning training to obtain a multi-unmanned aerial vehicle task decision model. According to the method, an experience pool and a double-network structure are adopted, so that the operation and convergence speed of the whole network is greatly improved, a result can be obtained more quickly in the high-speed flight process of the unmanned aerial vehicles, the purpose of autonomous decision making of the multiple unmanned aerial vehicles can be achieved, and the highefficiency of task decision making of the unmanned aerial vehicles can also be guaranteed in an unknown combat environment.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Knowledge-based electronic medical record quality control method

The invention discloses a knowledge-based electronic medical record quality control method. The method includes: by a closed loop type design structure, designing and making quality control semantic judgment rules and inputting time limit rules in an initial stage; allowing middle-stage data to enter a mobile terminal taking Raspberry Pi as a key design, wherein an analysis module combined with the NLP (natural language processing) natural language learning technology is embedded in the terminal; after quality control is finished, uploading synchronous data to a data center for storage and management; by the data center, acquiring common templates in medical record data by means of big data analysis, establishing an error correction knowledge base, and designing and constructing a database and an integrated environment to realize data sharing with internal modules of an error detection quality control terminal. By adoption of the knowledge-based electronic medical record quality control method, data of the data center are sampled and inspected regularly to further guarantee data correctness. Therefore, error detection, integration and analysis of structural medical record data can be realized, mass data and artificial intelligence processing technologies under an intelligent medical environment are utilized completely, medical record quality control cost is reduced, construction of the error correction knowledge base is realized, and quality control algorithm and rule quality is improved.
Owner:江西中科九峰智慧医疗科技有限公司
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