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34 results about "Kernel model" patented technology

There are a number of kernel models considered in the development of a kernel, each dependent upon personal choice and research into reliability, speed and how easily goals can be reached using the specified method. The two major models are the monolithic kernel and microkernel.

Model Based Hint Generation For Lithographic Friendly Design

In various implementations of the invention, a model of an optical proximity correction process is employed to determine potential adjustments to a layout design for a mask that might resolve potential errors an image resulting from application of the mask in an optical lithographic process. In various implementations of the invention, corrected mask shapes, such as for example optical proximity corrected mask shapes, and associated printed image contours are generated through use of a model. Subsequently, the associated printed image contour and a desired printed image contour may be used to determine various edge segment adjustments to the corrected mask shapes that would realize the desired printed image contour. In various implementations of the present invention, the model for generation of the corrected mask shapes and the associated printed image contour is a square kernel model. With various implementations of the invention, the kernel represents a grey scale map wherein each pixel of the map is generated based on the desired displacement relative to the displacement to be modeled. For example by application of linear regression techniques. As a result, printed image contours and corrected mask shapes may be generated based upon an input layout design, wherein potential adjustments to the mask may be determined based upon a desired printed image contour.
Owner:CHEW MARKO P +2

Microgrid short-term load prediction method based on long-term and short-term memory and self-adaptive improvement

The invention relates to the technical field of power system scheduling and operation, in particular to a micro-grid short-term load prediction method based on long-term and short-term memory and self-adaptive lifting, which comprises the following steps: step 1, calling historical load data; step 2, integrating the data to obtain a training set and a test set; step 3, performing integrated empirical mode decomposition and adjustment on the training set and the test set, and outputting a training sample set and a test sample set; 4, establishing a combined prediction kernel model, and settinghyper-parameter values; 5, inputting the training sample set, and outputting a prediction result; 6, setting the cycle index N, and entering the step 7 when the actual cycle index is greater than N; if the actual cycle index is smaller than N, entering the step 5; 7, calculating a root-mean-square error, judging whether the root-mean-square error is stable or not, entering the step 9 if the root-mean-square error is stable, and entering the step 8 if not ; 8, adjusting hyper-parameters, and entering the step 5; and step 9, inputting the test sample set, and outputting a prediction result. Themethod is high in prediction precision, small in error, high in adaptability and high in practicability.
Owner:WUHAN UNIV OF SCI & TECH

Noise diagnosis method for electrical equipment break-down arc

The invention discloses a noise diagnosis method for an electrical equipment break-down arc. The method comprises the following steps that A, an arc sound signal of the electrical equipment is collected, and pre-emphasis processing, FIR digital filtering and framing are carried out on the arc sound signal; B, short-time energy and short-time zero-crossing rate of each frame of the arc sound signalare calculated, short-time average energy and short-time average zero-crossing rate are determined, and an arc sound signal abnormal interval is detected by adopting a dual threshold determinate method; C, filtering is carried out on the arc sound signal abnormal interval by adopting M FIR filters, an energy value of each frequency domain sub-band is calculated to form an M-dimensional feature vector; D, a primary linear kernel model is established by using sample set data and an optimal parameter of a kernel function, an optimal linear kernel model is obtained by modifying the parameter repeatedly, the M-dimensional feature vector is diagnosed by using the optimal linear kernel model to determine whether or not a running state of the electrical equipment is normal. The noise diagnosis method for the electrical equipment break-down arc has the advantages that on-line detection and real-time alarming of the running state of the electrical equipment are achieved, and the damage and probability of the break-down arc are reduced.
Owner:STATE GRID CORP OF CHINA +2

M module low-level (LL) driver layer realization method for M module-based local area network (LAN)-based extensions for instrumentation (LXI) equipment

The invention discloses an M module low-level (LL) driver layer realization method for M module-based local area network (LAN)-based extensions for instrumentation (LXI) equipment, which belongs to the field of automatic test and aims to solve the problem of independence between a conventional M module driver software architecture for the LXI equipment and hardware. In the method, an M module hardware interface control logic is realized by a field programmable gate array (FPGA); the LL driver layer driving of the M module software architecture is used for realizing an M module interface operating function; in the driving of a high-level (HL) driver layer, a function of an LL driver layer is called; a testing function related application layer repackages a function interface provided by the HL driver layer; a testing equipment related application layer realizes testing functions; the LL driver layer is divided into two architectures comprising a user model and a kernel model, the user model adopts a uClinux application program to perform FPGA setting and register configuration, and the kernel model adopts uClinum character driving to perform the setting of an advanced RISC machine (ARM) processor and the register configuration; and a system calls and interrupts corresponding functions of the user model and the kernel model.
Owner:HARBIN INST OF TECH

LSSVM (Least Square Support Vector Machine) pulsation wind speed prediction method based on Morlet wavelet kernel

InactiveCN105046057AWith sparse variationMultiscaleSpecial data processing applicationsMoving averageNonlinear model
The invention provides an LSSVM (Least Square Support Vector Machine) pulsation wind speed prediction method based on a Morlet wavelet kernel. The prediction method comprises the following steps: utilizing an ARMA (Auto-Regressive and Moving Average) model to simulate and generate a vertical spatial point pulsation wind speed sample, dividing the pulsation wind speed sample of each spatial point into two parts including a training set and a test set, and carrying out normalization processing on the two parts; establishing an LSSVM model of the Morlet wavelet kernel; utilizing a Morlet wavelet kernel model subjected to PSO (Particle Swarm Optimization) to transform a pulsation wind speed training sample into a kernel function matrix, and mapping the kernel function matrix into a high-dimensional characteristic space; obtaining a nonlinear model of the pulsation wind speed training sample, and utilizing the model to predict the pulsation wind speed training sample; and comparing the wind sped of the test sample with a predicated pulsation wind speed, and calculating an average error, a root-mean-square error and a relevant coefficient of predicted wind speed and practical wind speed. The accuracy of pulsation wind speed prediction is guaranteed, and new wavelet kernel function selection with high precision and stability is provided.
Owner:SHANGHAI UNIV

Hyperspectral image classification multi-kernel learning method capable of maximizing class separability

The invention relates to a hyperspectral image classification multi-kernel learning method capable of maximizing the class separability, and relates to multi-kernel learning model solving. The invention aims to solve problems that multi-kernel model solving is not considered to be combined with subsequent classification application and the solving efficiency is low in an existing multi-kernel learning method applied to hyperspectral image classification. The hyperspectral image classification multi-kernel learning method is implemented according to the following steps: step one, training samples and test samples are acquired from a given input hyperspectral image data set; step two, a base kernel matrix Km in the multi-kernel learning model is constructed by using the training sample set Xtrain={xi}<i=1><N>, and a base kernel matrix set {Km}<m=1><M>={K1, K2,..., Km} is acquired; step three, the within-class discrete degree and the between-class discrete degree of the data set in a Hilbert kernel space are measured by using the base kernel matrix set; and step four, the class separability is measured according to a maximum class interval principle on the basis of the within-class discrete degree and the between-class discrete degree, and the weight of the base kernel is solved by taking the maximum class separability as a solving principle of the multi-kernel learning model. The hyperspectral image classification multi-kernel learning method is applied to the field of pattern recognition.
Owner:HARBIN INST OF TECH

Multi-empirical kernel classifier based on Universum learning

The present invention provides a multi-empirical kernel classifier based on Universum learning. Sample data is subjected to multi-empirical kernel mapping, and Universum sample data is generated in the sample space in each mapping. The present invention designs a Universum sample generation mode IMU (Imbalanced Modified Universum) which is independent of the model and can be utilized in other Universum learning. Imbalance of samples is introduced in the IMU to better solve the imbalance problem. A regularization item is designed according to the Universum sample, the regularization item is introduced into a multi-empirical kernel model to form a multi-empirical kernel classifier MUEKL (Multiple Universum-based Empirical Kernel Learning) based on the Universum learning. According to the generated target function, unknown parameters are subjected to optimization solution. Different from known multi-kernel learning, the multi-empirical kernel classifier combines the multi-empirical kernellearning and the Universum learning to provide an MUEKL algorithm; the expression on the balance data set is excellent through combination of the kernel learning and the Universum learning, and the imbalance problem is solved; and moreover, the present invention further provides a Universum data generation mode IMU which has a wide application.
Owner:EAST CHINA UNIV OF SCI & TECH

Segmentation method of PET-CT multimodal nasopharyngeal carcinoma image based on hypergraph model

The present invention relates to a PET-CT multimodal nasopharyngeal carcinoma image segmentation method based on a hypergraph model, comprising: extracting grayscale information and position information of pixels in a nasopharyngeal tumor image to construct a data set, and constructing a data set according to the data set Sparsely represent the model and solve it to obtain the reconstruction coefficient matrix and construct the hyperedge, use the Gaussian kernel model to calculate the similarity of data samples as the hyperedge weight value, solve the hyperedge order and vertex order to construct the hypergraph Laplacian matrix; then the nasopharynx The tumor image is marked and the label vector is obtained at the same time. A semi-supervised learning model is constructed according to the label vector, and then the optimal cutting vector is obtained by solving the least squares problem. Finally, the classification result is returned to the pixel level, that is, the segmentation of the tumor image is completed. The segmentation method of the present invention has higher segmentation accuracy than single modality, and at the same time, the hypergraph model based on the combination of sparse representation and Gaussian kernel has higher segmentation accuracy for nasopharyngeal tumor image data than other simple graph models or hypergraph models precision.
Owner:SICHUAN UNIV

Plate blank continuous casting off-line emulation system under secondary cooling and dynamic soft reduction

The invention provides a slab continuous casting secondary cooling and dynamic soft reduction off-line simulation system, which mainly solves the technical problem that the adjustment cost of dynamic soft reduction parameters is too high in actual production. The computer of the simulation system includes: the simulator core unit, which realizes the simulation of the process parameters of the main pouring conditions; the process model parameter setting unit, which is used to set the process and control parameters in the model; the model calculation core unit, combined with Simulate the pouring condition parameters to calculate the process model; the monitoring and display unit mainly completes the interface display of the simulation results; the simulator kernel unit and the model calculation kernel unit realize the interaction of process parameter data through the shared memory, and the model calculation kernel unit and the monitoring display unit pass The Ethernet local area network interacts with the simulation result data, the model calculation core unit and the process model parameter setting unit realize the process model parameter interaction through the model parameter database. The invention is mainly used for simulating the specific control process of secondary cooling water distribution and dynamic soft reduction of slab continuous casting.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD +1

lssvm Fluctuating Wind Velocity Prediction Method Based on Morlet Wavelet Kernel

The invention provides an LSSVM (Least Square Support Vector Machine) pulsation wind speed prediction method based on a Morlet wavelet kernel. The prediction method comprises the following steps: utilizing an ARMA (Auto-Regressive and Moving Average) model to simulate and generate a vertical spatial point pulsation wind speed sample, dividing the pulsation wind speed sample of each spatial point into two parts including a training set and a test set, and carrying out normalization processing on the two parts; establishing an LSSVM model of the Morlet wavelet kernel; utilizing a Morlet wavelet kernel model subjected to PSO (Particle Swarm Optimization) to transform a pulsation wind speed training sample into a kernel function matrix, and mapping the kernel function matrix into a high-dimensional characteristic space; obtaining a nonlinear model of the pulsation wind speed training sample, and utilizing the model to predict the pulsation wind speed training sample; and comparing the wind sped of the test sample with a predicated pulsation wind speed, and calculating an average error, a root-mean-square error and a relevant coefficient of predicted wind speed and practical wind speed. The accuracy of pulsation wind speed prediction is guaranteed, and new wavelet kernel function selection with high precision and stability is provided.
Owner:SHANGHAI UNIV

Sandstone pore detection method based on multi-layer multi-kernel learning and region merging

The invention relates to a sandstone pore detection method based on multi-layer multi-kernel learning and region merging, and the method comprises the steps of obtaining an original pore image, carrying out the denoising and enhancement processing of the image, and carrying out the SLIC superpixel segmentation of the image; constructing an RAG region adjacency graph, and marking an adjacent relation between the regions; performing manual annotation after superpixel segmentation, and performing binary classification to obtain a pore region and a non-pore region; extracting artificial features from the training set images to obtain feature vectors of multi-feature fusion, and constructing a multi-layer multi-kernel model; extracting multi-feature vectors from the test set images, and inputting the multi-feature vectors into the stored model; outputting a probability that the current region is a pore, and taking the probability as a region similarity measurement value; calculating the similarity degree of each adjacent region in the graph; carrying out region merging; and outputting the pore detection area. The multi-layer multi-kernel learning algorithm is utilized to further improve the accuracy of region recognition, the target region and the background region of the image can be better distinguished, and the detection precision is improved.
Owner:NORTHEAST GASOLINEEUM UNIV

M module low-level (LL) driver layer realization method for M module-based local area network (LAN)-based extensions for instrumentation (LXI) equipment

The invention discloses an M module low-level (LL) driver layer realization method for M module-based local area network (LAN)-based extensions for instrumentation (LXI) equipment, which belongs to the field of automatic test and aims to solve the problem of independence between a conventional M module driver software architecture for the LXI equipment and hardware. In the method, an M module hardware interface control logic is realized by a field programmable gate array (FPGA); the LL driver layer driving of the M module software architecture is used for realizing an M module interface operating function; in the driving of a high-level (HL) driver layer, a function of an LL driver layer is called; a testing function related application layer repackages a function interface provided by the HL driver layer; a testing equipment related application layer realizes testing functions; the LL driver layer is divided into two architectures comprising a user model and a kernel model, the user model adopts a uClinux application program to perform FPGA setting and register configuration, and the kernel model adopts uClinum character driving to perform the setting of an advanced RISC machine (ARM) processor and the register configuration; and a system calls and interrupts corresponding functions of the user model and the kernel model.
Owner:HARBIN INST OF TECH

Method for mining cohesion subgraphs in bipartite graph network based on neighbor number and edge strength

The invention discloses a method for mining cohesion subgraphs in a bipartite graph network based on neighbor number and edge strength. In order to find a cohesion sub-graph simultaneously meeting theneighbor number and the edge strength, a new cohesion sub-graph model is provided on a bipartite graph network, namely a (alpha, beta, omega)-kernel model; two conditions are met: each node in the subgraph has enough neighbors with connected strong edges; wherein the strong edge represents that the edge is contained in at least omega butterflies, enough neighbors connected with the strong edge represent that at least alpha neighbors connected with the strong edge of the node exist in the upper layer of the bipartite graph, and at least beta neighbors connected with the strong edge of the nodeexist in the lower layer of the bipartite graph; wherein the sub-graphs are great. Considering the time complexity of calculating the model, the invention provides a new pruning strategy, so that thesearch space is reduced more effectively. Meanwhile, an efficient (alpha, beta, omega)-kernel model calculation algorithm is developed in combination with a new pruning strategy, so that the (alpha,beta, omega)-kernel model can be quickly found in the large bipartite graph network.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Lightweight traffic simulation system based on springboot framework

The invention discloses a lightweight traffic simulation system based on a springboot framework, and belongs to the technical field of calculation, reckoning or counting. The simulation system comprises an application display module, a simulation service module and a data management module. The application display module is used for system general situation description, road network data display, simulation task request and simulation result presentation; the simulation service module is used for simulation request analysis, simulation link response, simulation kernel model, basic data interaction, simulation result transmission and system log service; and the data management module is used for entity class establishment, mysql database maintenance, data interaction interface maintenance and database maintenance. According to the method, the simulation task request is sent through the visual front-end page, the execution link is matched for different simulation tasks, the corresponding kernel model and basic data are called, and finally the simulation result is returned to the request end and is analyzed and rendered, so that the development cost is effectively reduced, the development and deployment efficiency is improved, and the expansibility of the system is greatly enhanced.
Owner:SOUTHEAST UNIV
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