CN107390278A - A kind of radioactivity mineral exploration method - Google Patents

Abstract

The invention discloses a radioactive mineral prospecting method, comprising the following steps: embedding a sensor group and a video acquisition module in the prospecting area to form a real-time update storage module for mineral prospecting data; completing the prediction and analysis of the collected mineral prospecting data, And complete the preprocessing of video data; use FLAC3D technology to construct the physical model of the survey area; design the virtual actuator, virtual sensor and simulation analysis module in the constructed physical model; execute the simulation analysis module through the virtual actuator cycle , Feedback the result to the virtual sensor, the virtual sensor receives the result and automatically displays the data; completes the three-dimensional reconstruction of the survey area. The invention improves the accuracy of establishing the physical model of the survey area; the system has a data analysis function, so that the monitoring results are clear at a glance; the display of the overall survey area model is realized, and the dynamic change of the model is realized through the real-time update of the data.

Description

A method of radioactive mineral exploration

technical field

The invention relates to the field of mineral exploration, in particular to a radioactive mineral exploration method.

Background technique

Radiation prospecting is also known as radiometry or "gamma method". With the help of α, β, and γ rays released by the decay of natural radioactive elements in the earth’s crust, when passing through the material, special physical phenomena such as ionization and fluorescence will be produced. According to the physical properties of radioactive rays, people use special instruments (such as radiometers, emanators, instrument, etc.), a geophysical prospecting method to find radioactive deposits and solve related geological problems by measuring the ray intensity or emanation concentration of radioactive elements. It is also an auxiliary means for finding deposits of rare elements, rare earth elements and polymetallic elements symbiotic with radioactive elements. Radioactive geophysical methods include gamma measurement, radiation sampling, gamma logging, jet gas measurement, track measurement and physical analysis.

Contents of the invention

The purpose of the present invention is to provide a radioactive mineral exploration method, which improves the accuracy of establishing the physical model of the exploration area through the combination of images and parameters; the system has its own data analysis function, so that the monitoring results are clear at a glance; The image reconstruction realizes the display of the overall survey area model, and realizes the dynamic change of the model through real-time data update, which facilitates the observation of the survey area by the staff.

In order to achieve the above object, the technical scheme that the present invention takes is:

A radioactive mineral prospecting method, comprising the steps of:

S1. Embed sensor groups and video acquisition modules in the exploration area through drilling, pitting and trenching, and set up a network data transmission system to form a real-time update storage module for mineral exploration data; the sensors and video acquisition modules use one-to-one correspondence layout;

S2. Predict and analyze the collected mineral exploration data through the data analysis module; and complete the preprocessing of video data through the video preprocessing module;

S3. Using FLAC3D technology to construct the physical model of the exploration area according to the collected mineral exploration data and the pre-processed video data;

S4. Design virtual actuators, virtual sensors and simulation analysis modules in the obtained physical model;

S5. The simulation analysis module is cyclically executed through the virtual actuator, and the result is fed back to the virtual sensor, and the virtual sensor receives the result and automatically displays the data;

S6. It is used to triangulate the obtained video depth image, and then fuse all triangulated depth images in the scale space to construct a layered directed distance field, and apply the overall triangulation algorithm to all voxels in the distance field to generate A convex hull covering all voxels, using the Marching Tetrahedra algorithm to construct isosurfaces, splicing the obtained isosurfaces of the survey area according to the geographic coordinates of the survey area, so as to complete the three-dimensional reconstruction of the survey area, and the obtained reconstructed The composition image is sent to the monitor for display.

Wherein, the virtual actuator is used to drive parameter changes, and after establishing a relationship with each element in the physical model building block, the parameters can be changed within a specified range, so that the simulation analysis method can be driven to calculate different parameters Solving; it is also used to change the position and direction setting of the transfer node to make the physical model move; it is also used to decompose, cut, enlarge and reduce the physical model according to the received control command;

Wherein, the virtual sensor is a target logic unit inserted into the physical model that can directly obtain corresponding results or information.

Wherein, the simulation analysis module is used to input parameters and algorithms that can be decomposed into design variables, design objectives and design constraints, and divide the input parameters and algorithms into units, characteristics and loads, and act on specified physical model elements respectively .

Among them, the predictive analysis module stores all kinds of typical exploration area-related data and the mineral conditions it may represent, adopts statistical regression and data-driven methods to establish a data analysis unit, and uses the collected data to generate short-term exploration area detection The result information is sent to the corresponding database for storage, and sent to the human-computer interaction module for display; it is also used to compare the similarity between the received survey area data and the stored data, and compare the comparison results according to the similarity After sorting in ascending or descending order, send to the display.

Wherein, the sensor group includes at least a Hall sensor, a radioisotope detector and an ultrasonic sensor.

Wherein, the video data includes a plurality of consecutive video frames, coordinate information and time information corresponding to each video frame, and the coordinate information is uniquely corresponding to the time information.

Wherein, the video preprocessing module completes the preprocessing of video data through the following steps:

Analyzing the acquired video file to obtain at least two images A, determining the deflection angle of each image A, and calculating the supplementary deflection angle of each image A according to the deflection angle of each image A, according to the deflection angle of each image A Redraw each image A by supplementing the deflection angle to obtain the image A1 corresponding to each image A, and then combine all the images A1 into a video according to the coordinate information and time information to obtain the preprocessed video.

Among them, the deflection angle of each image A is determined through multi-angle object recognition, specifically including

Select a preset number of images A from all images A;

Perform multi-angle object recognition for each selected image A;

The deflection angle of each selected image A is determined according to the recognition result, and the deflection angle of each unselected image A is determined according to the deflection angle of each selected image A.

The present invention has the following beneficial effects:

The physical model of the survey area is established through the fusion of images and parameters, which improves the accuracy of the modeling; the system has its own data analysis function, which makes the monitoring results clear at a glance; the display of the overall survey area model is realized through 3D image reconstruction, and at the same time Through the real-time update of data, the dynamic change of the model is realized; through the establishment of self-defined virtual actuators, virtual sensors and simulation analysis modules, the simulation analysis of the survey area is realized, which further facilitates the staff to understand the survey area Research.

detailed description

In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Embodiments of the present invention provide a radioactive mineral exploration method, comprising the following steps:

S1. Embed sensor groups and video acquisition modules in the exploration area through drilling, pitting and trenching, and set up a network data transmission system to form a real-time update storage module for mineral exploration data; the sensors and video acquisition modules use one-to-one correspondence Layout; the sensor group includes at least a Hall sensor, a radioisotope detector and an ultrasonic sensor. The video data includes a plurality of continuous video frames, coordinate information and time information corresponding to each video frame, and the coordinate information is uniquely corresponding to the time information.

S2. Predict and analyze the collected mineral exploration data through the data analysis module; the predict analysis module stores various types of typical exploration area-related data and the mineral conditions it may represent, using statistical regression and data-driven methods Establish a data analysis unit, use the collected data to generate short-term survey area detection result information, send it to the corresponding database for storage, and send it to the human-computer interaction module for display; it is also used to compare the received survey area data with the stored The similarity comparison of the data, and the comparison results are sorted in ascending or descending order according to the similarity, and then sent to the display screen, wherein the data in the data analysis module can be updated through the data update module; completed through the video preprocessing module Preprocessing of video data, specifically, analyzing the acquired video file to obtain at least two images A, determining the deflection angle of each image A, and calculating the supplement of each image A according to the deflection angle of each image A deflection angle, redraw each image A according to the supplementary deflection angle of each image A, obtain the image A1 corresponding to each image A, and then synthesize all the images A1 into video according to the coordinate information and time information, and obtain the preprocessed video; Among them, the deflection angle of each image A is determined through multi-angle object recognition, specifically including

Select a preset number of images A from all images A;

Perform multi-angle object recognition for each selected image A;

The deflection angle of each selected image A is determined according to the recognition result, and the deflection angle of each unselected image A is determined according to the deflection angle of each selected image A.

S3. Using FLAC3D technology to construct the physical model of the exploration area according to the collected mineral exploration data and the pre-processed video data;

S4. Design virtual actuators, virtual sensors, and simulation analysis modules in the resulting physical model; the virtual actuators are used to drive parameter changes. After establishing a relationship with each element in the physical model building block, they can be Change the parameters within the specified range, so that the simulation analysis method can be driven to calculate and solve different parameters; it is also used to change the position and direction settings of the transfer node to make the physical model move; it is also used to perform the physical model according to the received control command Decomposition, cutting, enlargement and reduction; the virtual sensor is a logical unit inserted into the physical model that can directly obtain corresponding results or information. The simulation analysis module is used to input parameters and algorithms that can be decomposed into design variables, design objectives and design constraints, and divide the input parameters and algorithms into units, characteristics and loads, and act on specified physical model elements respectively.

S5. The simulation analysis module is cyclically executed through the virtual actuator, and the result is fed back to the virtual sensor, and the virtual sensor receives the result and automatically displays the data;

S6. It is used to triangulate the obtained video depth image, and then fuse all triangulated depth images in the scale space to construct a layered directed distance field, and apply the overall triangulation algorithm to all voxels in the distance field to generate A convex hull covering all voxels, using the Marching Tetrahedra algorithm to construct isosurfaces, splicing the obtained isosurfaces of the survey area according to the geographic coordinates of the survey area, so as to complete the three-dimensional reconstruction of the survey area, and the obtained reconstructed The composition image is sent to the monitor for display.

The design variables, design goals, and design constraints have direct or indirect correspondence with relevant elements in the simulation analysis module, so that the correspondence between elements can be established, thereby breaking the gap between the two modules, and driving the simulation analysis module , and directly obtain the desired data from it, thereby greatly improving efficiency and data quality. The simulation analysis module is provided with Element: the generalized unit is the real object of the simulation analysis; Property: the characteristic is the static shared attribute information on some analysis objects; Load: the load is the external influencing factors or conditions loaded on these analysis loads; Analysis : analysis is various specific simulation analysis methods and evaluation methods; Result: calculated data and tables, cloud diagrams, reports based on data processing; Variable: design variables are the identifiers of variable variables in the model; Constraint: Design constraints are the rules that the system needs to obey when considering optimization;

OptAlgorithm: The optimization design method is a specific algorithm for various types of optimization design; OptResult: the optimal value of the design variable obtained through optimization calculation of the optimization result.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (9)

1. A radioactive mineral prospecting method, characterized in that, comprises the steps: S1. Embed sensor groups and video acquisition modules in the exploration area through drilling, pitting and trenching, and set up a network data transmission system to form a real-time update storage module for mineral exploration data; the sensors and video acquisition modules use one-to-one correspondence layout; S2. Predict and analyze the collected mineral exploration data through the data analysis module; and complete the preprocessing of video data through the video preprocessing module; S3. Using FLAC3D technology to construct the physical model of the exploration area according to the collected mineral exploration data and the pre-processed video data; S4. Design virtual actuators, virtual sensors and simulation analysis modules in the obtained physical model; S5. The simulation analysis module is cyclically executed through the virtual actuator, and the result is fed back to the virtual sensor, and the virtual sensor receives the result and automatically displays the data; S6. It is used to triangulate the obtained video depth image, and then fuse all triangulated depth images in the scale space to construct a layered directed distance field, and apply the overall triangulation algorithm to all voxels in the distance field to generate A convex hull covering all voxels, using the Marching Tetrahedra algorithm to construct isosurfaces, splicing the obtained isosurfaces of the survey area according to the geographic coordinates of the survey area, so as to complete the three-dimensional reconstruction of the survey area, and the obtained reconstructed The composition image is sent to the monitor for display. 2. A kind of radioactive mineral prospecting method as claimed in claim 1, is characterized in that, described virtual actuator is used for driving parameter change, and after setting up relation with each element in the physical model building block, can be within the specified range Change the parameters, so that the simulation analysis method can be driven to calculate and solve different parameters; it can also be used to change the position and direction settings of the transfer node to make the physical model move; it can also be used to decompose and cut the physical model according to the received control commands , zoom in and zoom out. 3. A radioactive mineral prospecting method according to claim 1, characterized in that the virtual sensor is a logical unit inserted into the physical model that can directly obtain corresponding results or information. 4. A kind of radioactive mineral prospecting method as claimed in claim 1, is characterized in that, described simulation analysis module is used for inputting and can be decomposed into parameter, algorithm of design variable, design target and design constraint, and input parameter, Algorithms are divided into elements, properties, and loads, which act on specified physical model elements. 5. A kind of radioactive mineral prospecting method as claimed in claim 1, it is characterized in that, in the described predictive analysis module, there are all kinds of typical prospecting area related data and the mineral situation that it may represent, adopt statistical regression and data The driving method establishes a data analysis unit, uses the collected data to generate short-term survey area detection result information, sends it to the corresponding database for storage, and sends it to the human-computer interaction module for display; it is also used to combine the received survey area data with the The stored data is compared in similarity, and the comparison results are sorted in ascending or descending order according to the similarity, and then sent to the display screen. 6. A radioactive mineral prospecting method according to claim 1, characterized in that the sensor group at least includes a Hall sensor, a radioisotope detector and an ultrasonic sensor. 7. A kind of radioactive mineral prospecting method as claimed in claim 1, is characterized in that, described video data comprises a plurality of continuous video frames, coordinate information and time information corresponding to each video frame, coordinate information and time information unique correspondence. 8. A kind of radioactive mineral prospecting method as claimed in claim 1, is characterized in that, described video preprocessing module completes the preprocessing of video data by the following steps: Analyzing the acquired video file to obtain at least two images A, determining the deflection angle of each image A, and calculating the supplementary deflection angle of each image A according to the deflection angle of each image A, according to the deflection angle of each image A Redraw each image A by supplementing the deflection angle to obtain the image A1 corresponding to each image A, and then combine all the images A1 into a video according to the coordinate information and time information to obtain the preprocessed video. 9. A kind of radioactive mineral prospecting method as claimed in claim 8, is characterized in that, the deflection angle of each image A is determined through multi-angle object recognition, specifically comprises Select a preset number of images A from all images A; Perform multi-angle object recognition for each selected image A; The deflection angle of each selected image A is determined according to the recognition result, and the deflection angle of each unselected image A is determined according to the deflection angle of each selected image A.