Information gain characterization method of pavement multi-dimensional detection data

A technology of information gain and detection data, which is applied in the field of information gain characterization of multi-dimensional detection data of pavement, and can solve problems such as lack of

Active Publication Date: 2021-11-12
CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST
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  • Abstract
  • Description
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Problems solved by technology

However, under the influence of multiple factors, the more complete characterization of the gain index itself, that is, the deeper mining of the information differences contained in the data, and the research and application of more comprehensive utilization are still lacking.

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  • Information gain characterization method of pavement multi-dimensional detection data
  • Information gain characterization method of pavement multi-dimensional detection data
  • Information gain characterization method of pavement multi-dimensional detection data

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Embodiment Construction

[0078] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0079] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to an information gain characterization method for pavement multi-dimensional detection data, which belongs to the field of pavement detection. The method comprises the following steps: S1, defining an information gain index of a pavement multi-dimensional detection data classification learning algorithm; S2, calculating information gain representation based on a priority index; and S3, calculating the information gain representation based on a concentration index. According to the method, new information entropy change indexes, namely fuzzy correlation information gain G(Aj) and fuzzy correlation information gain rate GR(Aj), are defined and constructed in combination with fuzziness of categories in a data sample set and attribute-category relevance, and a solid foundation is laid for scientific decision-making of a pavement operation and maintenance group relying on multi-dimensional detection data.

Description

technical field [0001] The invention belongs to the field of pavement detection and relates to an information gain characterization method of pavement multi-dimensional detection data. Background technique [0002] Carrying out comprehensive and accurate inspection and evaluation of road facilities (such as pavement) is the basic condition for efficient implementation of operation and maintenance strategies. However, the data obtained through mainstream inspection methods or means in the industry has the characteristics of large quantity, high dimensionality, and redundant information. That is to say, the contradiction of "rich data-poor knowledge" is prominent, which brings great challenges to the effective implementation of operation and maintenance strategies. The data mining and knowledge discovery technologies that have emerged in recent years provide useful reference for this. This technology sorts out and condenses hidden and potential mapping relationships and predic...

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Application Information

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IPC IPC(8): G06K9/62G06N20/00
CPCG06N20/00G06F18/2415G06F18/214Y02T10/40
Inventor 李聪赵梦珍邓卫东袁明园陈飞阎宗岭徐霈李明辛顺超
Owner CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST
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