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Remote sensing detection method for ecological restoration of karst abandoned mines

A technology of ecological restoration and detection method, applied in the field of remote sensing detection, can solve the problems of difficult real-time detection of ecological restoration of abandoned karst mines, and achieve the effects of saving measurement work, high update rate, and saving human and material resources.

Pending Publication Date: 2020-08-11
GUIZHOU UNIV OF ENG SCI
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  • Application Information

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Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides a remote sensing detection method for ecological restoration of karst abandoned mines, which solves the problem that the ecological restoration of existing karst abandoned mines is difficult to detect in real time

Method used

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Embodiment 1

[0036] The present invention provides a technical solution: a remote sensing detection method for ecological restoration of abandoned karst mines, comprising the following steps:

[0037] S1, select a preset number of checkpoints;

[0038] S2, according to the remote sensing mapping technology, compare the ground object data change map with the topographic map database, and judge whether the new map needs to be updated in whole or in part;

[0039] S3, according to the coordinates obtained by remote sensing mapping, the object square adjustment value of the checkpoint is obtained through the least squares adjustment;

[0040] S4, calculating the residual error between the object space coordinates of the inspection point and the object space adjustment value in the X and Y directions;

[0041] S5, judging whether the residual error follows a standard normal distribution, if so, judging that there is no systematic error, and if not, judging that there is a systematic error;

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Abstract

The invention discloses a remote sensing detection method for ecological restoration of karst abandoned mines. The remote sensing detection method for ecological restoration of the karst abandoned mine comprises the following steps: S1, selecting a preset number of check points; S2, comparing a terrain data change map with a topographic map database according to a remote sensing surveying and mapping technology, and judging whether the new map needs to be wholly updated or partially updated; S3, according to coordinates obtained through remote sensing surveying and mapping, obtaining an objectspace adjustment value of the check point through least square adjustment; and S4, calculating the residual errors of the object space coordinate of the check point and the object space adjustment value in the X direction and the Y direction. According to the method, an existing information database is perfected, a real-time and effective method of the topographic map database is achieved, automatic comparison is conducted between a high-resolution remote sensing surveying and mapping technology and the existing topographic map database, changes of ground objects are detected, the labor intensity is reduced, and the updating rate is high.

Description

technical field [0001] The invention relates to the technical field of remote sensing detection, in particular to a remote sensing detection method for ecological restoration of abandoned karst mines. Background technique [0002] Karst is karst, which is the geological action of water on soluble rocks (carbonate rock, gypsum, rock salt, etc.) mainly by chemical dissolution, supplemented by mechanical actions such as erosion, latent erosion and collapse of flowing water, and the geological action of these actions. The general term for the phenomenon that occurs. [0003] Remote sensing technology has the advantages of macro, real-time, high efficiency, and high resolution, and provides a new technical means for building change detection. High spatial resolution, high spectral resolution, high temporal resolution, multi-platform, multi-angle, and multi-sensor are the development trends of remote sensing technology today. The spatial resolution of satellite images has reache...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/532G06F16/58G06K9/46G01C15/00G01S19/42G01C7/02
CPCG06F16/532G06F16/5866G01C15/00G01S19/42G01C7/02G06V10/44
Inventor 任金铜王志红刘贤
Owner GUIZHOU UNIV OF ENG SCI
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