Underground environment perspective three-dimensional model establishment method based on vehicle-mounted three-dimensional ground penetrating radar and road surveying and mapping technology

A ground penetrating radar and 3D model technology, applied in the field of data processing, can solve the problem that the detection results cannot be established in a perspective 3D model, and achieve the effect of intuitive display

Inactive Publication Date: 2017-04-05
合肥市勘察院有限责任公司
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Problems solved by technology

[0004] The purpose of the present invention is to solve the defect in the prior art that geological radar cannot establish a perspective three-dimensional model for detection results, and to provide a method for est

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  • Underground environment perspective three-dimensional model establishment method based on vehicle-mounted three-dimensional ground penetrating radar and road surveying and mapping technology

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Embodiment Construction

[0032] In order to have a further understanding and understanding of the structural features of the present invention and the effects achieved, the preferred embodiments and accompanying drawings are used in conjunction with detailed descriptions, and the descriptions are as follows:

[0033] like figure 1 As shown, a method for establishing a perspective three-dimensional model of an underground environment based on a vehicle-mounted three-dimensional ground penetrating radar and road mapping technology according to the present invention includes the following steps:

[0034] The first step is to collect data on the underground environment. The vehicle-mounted three-dimensional ground penetrating radar is used to collect the geological condition information of the underground environment, and the abnormal detection model is initially established through the data extraction technology. Through the collection and use of vehicle-mounted 3D ground penetrating radar, abnormal geo...

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Abstract

The invention relates to an underground environment perspective three-dimensional model establishment method based on a vehicle-mounted three-dimensional ground penetrating radar and a road surveying and mapping technology. Compared with the prior art, the provided method enables a defect that the geological radar can not establish a perspective three-dimensional model for a detection result to be overcome. The method comprises the following steps: step one, carrying out underground environment situation data collection; to be specific, collecting geological conditions information of an underground environment by using a vehicle-mounted three-dimensional ground penetrating radar and establishing a detection abnormity model primarily by using a data extraction technique; step two, carrying out road information collection; to be specific, measuring a coordinate and elevation of road pavement information by means of surveying and measuring and establishing a road pavement model; and step three, establishing a perspective three-dimensional model of a road underground environment detection result and inputting the detection abnormity model into the road pavement model according to coordinate information, thereby forming a perspective three-dimensional model of the underground environment. Therefore, the result of three-dimensional ground penetrating radar detection is converted into the needed three-dimensional model, thereby forming the perspective three-dimensional model of the underground detection result.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a method for establishing a perspective three-dimensional model of an underground environment based on a vehicle-mounted three-dimensional ground penetrating radar and road mapping technology. Background technique [0002] With the construction and rapid development of cities, more and more municipal projects are using ground-based radar for survey and detection of underground areas. However, the detection results of the geological radar are all flat, and it is difficult to intuitively explain and display the detected abnormal areas, especially the digital connection of data to urban underground information has always been a problem. Vehicle-mounted 3D ground penetrating radar detection technology is rarely used in China, and it cannot convert detection results into 3D models. However, most of the existing 3D model technologies belong to the surface 3D in the tradition...

Claims

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Application Information

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IPC IPC(8): G06T17/00G01S13/88
CPCG01S13/885G06T17/00
Inventor 董双林苏先志
Owner 合肥市勘察院有限责任公司
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