Random forest classification system based on kernel extreme learning machine and parallelization

A technology of nuclear extreme learning machine and random forest classification, which is applied in the field of random forest classification system and can solve infeasible problems

Inactive Publication Date: 2018-06-12
BEIJING UNIV OF TECH
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AI Technical Summary

Problems solved by technology

Traditionally, a single-machine multi-thread method is used to parallelize the program. However, for massive data, the single-machine multi-thread method is still not feasible, and multiple machines need to be used for parallelization.

Method used

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  • Random forest classification system based on kernel extreme learning machine and parallelization
  • Random forest classification system based on kernel extreme learning machine and parallelization
  • Random forest classification system based on kernel extreme learning machine and parallelization

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Embodiment Construction

[0024] The invention adopts the extreme learning machine with mixed core as the base classifier of the random forest and optimizes the base classifier by means of sorting and particle swarm optimization, hoping to achieve better classification performance. System architecture such as figure 1 As shown, it contains the stand-alone module and the parallelization module.

[0025] 1. Stand-alone module

[0026] 1.1 Data extraction module

[0027] The sample set is sampled by the Bootstrap method, and N samples are randomly selected from the N samples with replacement to form a new sample set. The samples are coronary heart disease data samples, and the unselected samples form a test set. In the new sample set Randomly select f features (fi and the test set T i (i=1,2...k, k is the number of base classifiers). At the same time, the data extraction interface Bootstrap is set in this module, and user-defined data extraction methods can be used according to different needs to make...

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Abstract

The invention discloses a random forest classification system based on a kernel extreme learning machine and parallelization, and the system comprises a single-unit module and a parallelization module. The single-unit module is mainly used for the processing of a non-mass data set, and comprises four submodules: a data extraction module, a model training module, a model evaluation model, and a model optimization module. According to the technical scheme of the invention, the system can support the processing of mass data, and also can achieve the classification performances of data.

Description

technical field [0001] The invention belongs to the field of computer software and relates to a random forest classification system based on kernel extreme learning machine and parallelization. Background technique [0002] With the development of artificial intelligence, machine learning technology is becoming more and more important as the core technology of artificial intelligence. Machine learning technology specializes in the study of how computers simulate or implement human learning behaviors to acquire new knowledge or skills, and reorganize existing knowledge structures to continuously improve their own performance. After half a century of development, machine learning algorithms have emerged in an endless stream, from neural networks in the last century to deep learning that has developed rapidly in recent years, as well as algorithms such as support vector machines (SVM), decision trees, and naive Bayesian classifiers. Algorithms have a wide range of needs and ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06N3/00G06N99/00
CPCG06N3/006G06N20/00G06F18/214G06F18/24323
Inventor 王丹石智强赵文兵杜金莲付利华杜晓林苏航
Owner BEIJING UNIV OF TECH
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