Vehicle-mounted surveying and mapping information sand table manufacturing method

A production method and vehicle-mounted technology, which can be used in educational appliances, instruments, teaching models, etc., can solve the problems of inability to transfer, long cycle, and wide area, so as to improve the color registration accuracy and positioning accuracy, ensure continuous processing, reduce The effect of processing time

Pending Publication Date: 2019-10-11
MINJIANG UNIV
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Problems solved by technology

In the military field, especially in wartime, its timeliness requirements are very high, and it needs to be transferred as the army marches; question

Method used

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  • Vehicle-mounted surveying and mapping information sand table manufacturing method
  • Vehicle-mounted surveying and mapping information sand table manufacturing method
  • Vehicle-mounted surveying and mapping information sand table manufacturing method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] see Figure 1 to Figure 2 , the invention provides a method for making a vehicle-mounted surveying and mapping information sand table, comprising the following steps:

[0036] Step S1, assembling the mechanical structure produced by the vehicle-mounted sand table, and installing the mechanical structure produced by the vehicle-mounted sand table on the truck;

[0037] Step S2, placing the model base material for making the sand table on the loading tray in the mechanical structure of the vehicle-mounted sand table;

[0038] Step S3, terrain surveying and mapping: using drones or satellites to survey and map the terrain;

[0039] Step S4, processing of surveying and mapping data: use image data and elevation model registration, use the texture characteristics of terrain in the image, such as coastlines, ridges, etc., and the longitude and latitude information o...

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Abstract

The invention relates to a vehicle-mounted surveying and mapping information sand table manufacturing method. The vehicle-mounted surveying and mapping information sand table manufacturing method comprises the following steps that S1, topographic surveying and mapping are performed, specifically, an unmanned aerial vehicle or a satellite is used for surveying and mapping the terrain; S2, processing of mapping data is performed, specifically, image data and elevation model registration are used, texture characteristics of the terrain such as coastline, ridge and the like in images and the latitude and longitude information of DEM edge points are utilized for characteristic extraction; image space coordinate transformation parameters are obtained by matched characteristic point pairs; finally, the image registration is performed by the coordinate transformation parameters; S3, engraving is performed, specifically, multi-resolution analysis is performed on geographic models, reasonable processing steps are determined, and a model layered situation is determined; S4, underpainting and coating processing are performed; and S5, live geographic model spray printing is performed. Real-timetopographic surveying and mapping are performed, the accuracy of the terrain data is ensured, a reasonable processing trajectory improves the processing efficiency, and a high-quality spray printingprocess improves the accuracy of the spray printing; and the accuracy of a sand table is guaranteed.

Description

technical field [0001] The invention relates to the technical field of sand table manufacturing, in particular to a manufacturing method of a vehicle-mounted surveying and mapping information sand table. [0002] technical background [0003] In recent years, with the rapid development of remote sensing surveying and mapping technology, the use of new techniques and technical means to realize real-scene sand tables with surveying and mapping-level precision has gradually become the research direction of relevant scientific researchers in various countries. With the advancement of 3D printing technology, the sand table processing technology based on this has been greatly developed. The quality improvement of 3D printing sand table in terms of color reproduction and terrain data accuracy has made a qualitative leap in the effect of high-precision terrain sand table, and is widely used in government planning display, tourist attraction promotion, geography and landform teaching,...

Claims

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Application Information

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IPC IPC(8): G09B25/06
CPCG09B25/06
Inventor 陈新伟蒋鑫鄢凌霄庄楠沈金河
Owner MINJIANG UNIV
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