CN114937283B - Method for automatically identifying stratum information by utilizing two-dimensional geological vertical section - Google Patents
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- 239000003086 colorant Substances 0.000 claims description 4
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- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
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- G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
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Abstract
The invention relates to a method for automatically identifying stratum information by utilizing a two-dimensional geological vertical section, which comprises the steps of converting the geological vertical section into an image, automatically identifying a closed polygon and stratum numbers by utilizing an image identification technology, thereby obtaining the geological information of any area in a geological vertical section chart, combining a stratum number parameter table, and finally outputting a data interface consistent with the geological vertical section. According to the invention, geological data matched with the geological vertical section is provided for the design profession, so that the cooperative work efficiency is improved, the purpose of better serving the downstream profession is achieved, and the design production efficiency of the downstream profession is greatly improved.
Description
Technical Field
The invention relates to the technical field of engineering geological investigation, in particular to a method for automatically identifying stratum information by utilizing a two-dimensional geological vertical section.
Background
At present, the construction scale of railway engineering is continuously enlarged, particularly a high-speed railway project, the investigation design project is often time-consuming and heavy in task, the geological vertical section is a comprehensive geological result along a railway line drawn by geological professions by adopting various investigation means, and the geological vertical section is one of important data sources for developing and designing professions such as roadbeds, bridges and tunnels.
Because of the complexity of the geological vertical section, the geological vertical section is not processed normally, the problems of strict sealing, multi-line overlapping and the like are solved, programs cannot be processed automatically, a great deal of time is required to be spent for processing the boundary of a processing area in the application process of each design specialty, the man-machine interaction workload is large, the design efficiency is greatly reduced, and the whole project investigation design process is influenced.
Disclosure of Invention
The invention aims to provide a method for automatically identifying stratum information by utilizing a two-dimensional geological vertical section, which provides geological data matched with the geological vertical section for design professions, improves cooperative work efficiency and achieves the aim of better serving downstream professions.
The technical scheme adopted by the invention is as follows:
The method for automatically identifying stratum information by utilizing the two-dimensional geological vertical section comprises the steps of converting the geological vertical section into an image, automatically identifying a closed polygon and stratum numbers by utilizing an image identification technology, thereby obtaining the geological information of any area in a geological vertical section diagram, combining a stratum number parameter table, and finally outputting a data interface consistent with the geological vertical section.
The method specifically comprises the following steps:
Step 001, preprocessing a geological vertical section;
Step 002, determining the proportion relation and converting the proportion relation into an image format;
Step 003, determining boundary descriptions of all areas and formation classification in the areas by utilizing intelligent image recognition;
Step 004, restoring boundary coordinate description according to the proportion relation;
step 005, checking data;
step 006, outputting a geological standard data interface.
The geological vertical section adopts a rectangular coordinate system, the abscissa is a mileage stake mark, and the ordinate is an elevation, and the geological vertical section comprises a comprehensive geological map of a topographic line, a stratum boundary line, a stratum marking, drilling information, a picture frame and a legend.
In step 001, geological profile pretreatment comprises the following steps:
1) Drawing boundary lines: the left boundary is a topographic line starting point boundary, the right boundary is a topographic line ending point boundary, and the layer bottom boundary is a drilling hole bottom boundary;
2) Selecting a layer: retaining the topographic line and the geological boundary;
3) Marking a datum point; the lower left corner is marked as a reference point and the coordinates of the reference point are recorded.
In step 002, the image 1:1 processed in step 001 is printed out as a picture.
In step 003, the identifying process includes identifying the formation geometry information and identifying the formation number information contained therein, and the process is as follows:
1) Firstly inputting a black two-color picture of a geological longitudinal section picture, if the black two-color picture is a color picture, converting the gray picture into a gray picture, converting the gray picture into a black and white two-color picture, automatically identifying a closed polygon in the picture through an image identification function, and extracting all vertex coordinates of the closed polygon; for the situation of nesting a small stratum in a large stratum, the outer boundary of the small stratum needs to be used as the inner boundary of the large stratum to form a ring-like closed area;
2) Automatically identifying stratum numbers in each closed polygon through an image identification function, and establishing a one-to-one relationship between the closed polygons and the stratum numbers; when a plurality of identical stratum numbers exist in the closed polygon, one stratum number is reserved;
3) And forming a stratum closed polygon list, wherein the stratum number and the point list information are included in the list.
Step 004 is specifically: reconstructing the closed polygon in the step 003 according to the proportional relation of the scale of the longitudinal section chart, automatically drawing the closed polygon by a program, restoring the boundary coordinates of the closed polygon, filling solid colors, setting the closed polygon into a semitransparent mode, and marking stratum numbers in the polygon.
The step 005 specifically comprises the following steps: overlapping the reconstructed polygon with the original geological longitudinal section map, and checking the image recognition effect; and for intelligently identifying unsuitable closed polygons, referring to the original image, and manually editing until the closed polygons completely accord with the original geological fracture image.
The step 006 is specifically: and automatically acquiring stratum elevation information and attribute information of a certain mileage stake mark by using the closed polygon, the stratum number and the stratum parameter table.
The invention has the following advantages:
Aiming at the characteristic of complex stratum structure of the geological vertical section of railway engineering, the invention provides a method for automatically identifying the geological information of the geological vertical section, which converts the geological vertical section into an image, then automatically identifies a closed polygon and stratum numbers by utilizing an image identification technology, thereby acquiring the geological information of any area in a geological vertical section chart, then combining a stratum number parameter table, finally outputting a data interface consistent with the geological vertical section, and greatly improving the design production efficiency of downstream professions.
Drawings
FIG. 1 is a schematic view of a geological section of the engineering prior to treatment according to the present invention.
FIG. 2 is a schematic view of a post-treatment engineering geological profile of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Aiming at the characteristic of complex stratum structure of the geological vertical section of railway engineering, the invention provides a method for automatically identifying stratum information by utilizing the two-dimensional geological vertical section, which converts the geological vertical section into an image, then automatically identifies a closed polygon and stratum numbers by utilizing an image identification technology, thereby acquiring the geological information of any area in a geological vertical section chart, then combining a stratum number parameter table, finally outputting a data interface consistent with the geological vertical section, and greatly improving the design production efficiency of downstream professions.
The method specifically comprises the following steps:
Step 001, preprocessing the geological vertical section to form a seemingly closed area;
Step 002, determining the proportion relation and converting the proportion relation into an image format;
Step 003, determining boundary descriptions of all areas and formation classification in the areas by utilizing intelligent image recognition;
Step 004, restoring boundary coordinate description according to the proportion relation;
step 005, checking data;
step 006, outputting a geological standard data interface.
In the step 001, the geological vertical section adopts a rectangular coordinate system, the abscissa is an mileage stake mark, and the ordinate is an elevation, and the geological vertical section comprises a comprehensive geological map of a topography line, a stratum boundary line, stratum marking, drilling information, a picture frame and a legend; the geological vertical section is drawn by adopting a CAD graph, and various information is classified and managed by adopting a layer.
In the step 001, the geological vertical section pretreatment process is as follows:
1) Drawing boundary lines: the left boundary is a topographic line starting point boundary, the right boundary is a topographic line ending point boundary, and the layer bottom boundary is a drilling hole bottom boundary;
2) Selecting a layer: the topographic map layer and the geological boundary map layer are reserved, and other map layers are closed;
3) Marking a datum point; the lower left corner is marked as a reference point and the coordinates of the reference point are recorded.
In step 002, the CAD drawing is printed into a picture format, the printing range is the drawing area of the geological vertical section, and the printing ratio is set to be 1:1.
In step 003, the identifying process includes identifying the formation geometry information and identifying the formation number information contained therein, and the process is as follows:
1) Firstly, inputting black two-color pictures, if the black two-color pictures are color pictures, converting the gray pictures into gray pictures, converting the gray pictures into black and white two-color pictures, automatically identifying closed polygons in the pictures through an image identification function, and extracting all vertex coordinates of the closed polygons; for the situation of nesting a small stratum in a large stratum, the outer boundary of the small stratum needs to be used as the inner boundary of the large stratum to form a ring-like closed area;
2) Automatically identifying stratum numbers in each closed polygon through an image identification function, and establishing a one-to-one relationship between the closed polygons and the stratum numbers; when a plurality of identical stratum numbers exist in the closed polygon, one stratum number is reserved;
3) And forming a stratum closed polygon list, wherein the stratum number and the point list information are included in the list.
Step 004 is specifically: reconstructing the closed polygon in the step 003 according to the proportion relation, automatically drawing the closed polygon by a program, restoring the boundary coordinates of the closed polygon, filling solid colors, setting the closed polygon into a semitransparent mode, and marking stratum numbers in the polygon.
The step 005 specifically comprises the following steps: overlapping the reconstructed polygon with the original geological longitudinal section map, and checking the image recognition effect; and for intelligently identifying unsuitable closed polygons, referring to the original image, and manually editing until the closed polygons completely accord with the original geological fracture image.
The step 006 is specifically: and automatically acquiring stratum elevation information and attribute information of a certain mileage stake mark by using the closed polygon, the stratum number and the stratum parameter table.
Examples:
referring to fig. 1 and 2, the specific flow of the application is as follows:
And 001, collecting a geological vertical section of a certain working point of the railway engineering, drawing left, right and bottom boundaries of a geological filling area, only reserving a topographic map layer and a geological boundary map layer, marking a datum point, recording x and y coordinates of the datum point, namely mileage and elevation information, recording scale information of a geological vertical section map, and enabling the processed engineering geological vertical section map to be shown in figure 2. The geological vertical section is generally drawn by adopting a CAD graph, various information is classified and managed by adopting a graph layer, and the transverse and longitudinal scale is generally 1:500-1:1000.
And step 002, printing the CAD drawing into a picture format, wherein the printing range is a drawing area of the geological vertical section, and the printing ratio is set to be 1:1.
The step 003 specifically comprises the following steps: the method mainly comprises two steps, namely identifying stratum geometric information and identifying stratum number information contained in the stratum geometric information. Firstly, inputting a black two-color picture, then automatically identifying a closed polygon in the picture through an image identification function, and then extracting all vertex coordinates of the closed polygon. And automatically identifying stratum numbers in each closed polygon through an image identification function, and establishing a one-to-one relationship between the closed polygons and the stratum numbers. For the case of nesting small formations in a large formation, the outer boundary of the small formation needs to be the inner boundary of the large formation to form a closed region that resembles a ring.
A stratigraphic closed polygon list is formed, consisting essentially of stratigraphic numbers and point list information, as shown in the following table.
Step 004 is specifically: reconstructing the closed polygon in the step 003 according to the proportion relation, restoring the boundary coordinates of the closed polygon, filling solid colors, setting the closed polygon into a semitransparent mode, and marking stratum numbers inside the polygon.
The step 005 specifically comprises the following steps: and overlapping the reconstructed polygon with the original geological longitudinal section map, and checking the image recognition effect. And for intelligently identifying unsuitable closed polygons, referring to the original image, and manually editing until the closed polygons completely accord with the original geological fracture image.
Step 006 is to automatically obtain the stratum elevation information and attribute information at a certain mileage stake mark (specifically, a certain abscissa) by using the closed polygon, the stratum number and the stratum parameter table.
Examples are as follows:
the content of the invention is not limited to the examples listed, and any equivalent transformation to the technical solution of the invention that a person skilled in the art can take on by reading the description of the invention is covered by the claims of the invention.
Claims (1)
1. The method for automatically identifying stratum information by utilizing the two-dimensional geological vertical section is characterized by comprising the following steps of:
Converting the geological longitudinal section into an image, automatically identifying the closed polygon and stratum number by utilizing an image identification technology, thereby acquiring geological information of any area in the geological longitudinal section map, combining a stratum number parameter table, and finally outputting a data interface consistent with the geological longitudinal section;
the method specifically comprises the following steps:
Step 001, preprocessing a geological vertical section;
Step 002, determining the proportion relation and converting the proportion relation into an image format;
Step 003, determining boundary descriptions of all areas and formation classification in the areas by utilizing intelligent image recognition;
Step 004, restoring boundary coordinate description according to the proportion relation;
step 005, checking data;
Step 006, outputting a geological standard data interface;
The geological vertical section adopts a rectangular coordinate system, the abscissa is a mileage stake mark, and the ordinate is an elevation, and the geological vertical section comprises a comprehensive geological map of a topographic line, a stratum boundary line, stratum marking, drilling information, a map frame and a legend;
in step 001, geological profile pretreatment comprises the following steps:
1) Drawing boundary lines: the left boundary is a topographic line starting point boundary, the right boundary is a topographic line ending point boundary, and the layer bottom boundary is a drilling hole bottom boundary;
2) Selecting a layer: retaining the topographic line and the geological boundary;
3) Marking a datum point; marking the lower left corner point as a datum point, and recording the datum point coordinates;
In step 002, the image 1:1 processed in step 001 is printed out as a picture;
In step 003, the identifying process includes identifying the formation geometry information and identifying the formation number information contained therein, and the process is as follows:
1) Firstly inputting a black two-color picture of a geological longitudinal section picture, if the black two-color picture is a color picture, converting the gray picture into a gray picture, converting the gray picture into a black and white two-color picture, automatically identifying a closed polygon in the picture through an image identification function, and extracting all vertex coordinates of the closed polygon; for the situation of nesting a small stratum in a large stratum, the outer boundary of the small stratum needs to be used as the inner boundary of the large stratum to form a ring-like closed area;
2) Automatically identifying stratum numbers in each closed polygon through an image identification function, and establishing a one-to-one relationship between the closed polygons and the stratum numbers; when a plurality of identical stratum numbers exist in the closed polygon, one stratum number is reserved;
3) Forming a stratum closed polygon list, wherein the stratum closed polygon list comprises stratum numbers and point list information;
step 004 is specifically: reconstructing the closed polygon in the step 003 according to the proportional relation of the scale of the longitudinal section chart, automatically drawing the closed polygon by a program, restoring the boundary coordinates of the closed polygon, filling solid colors, setting the closed polygon into a semitransparent mode, and marking stratum numbers in the polygon;
the step 005 specifically comprises the following steps: overlapping the reconstructed polygon with the original geological longitudinal section map, and checking the image recognition effect; for intelligent identification of unsuitable closed polygons, referring to an original image, and manually editing until the closed polygons completely conform to the original geological fracture image;
the step 006 is specifically: and automatically acquiring stratum elevation information and attribute information of a certain mileage stake mark by using the closed polygon, the stratum number and the stratum parameter table.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105957146A (en) * | 2016-04-29 | 2016-09-21 | 铁道第三勘察设计院集团有限公司 | Linear engineering three-dimensional geological modeling method |
| CN106971035A (en) * | 2017-03-23 | 2017-07-21 | 中铁第勘察设计院集团有限公司 | The method of quick identification geological information in bridge foundation design |
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| JP2006009262A (en) * | 2004-06-22 | 2006-01-12 | Mitsubishi Materials Corp | System for creating and displaying geologic structure model, stratum modeling method, and program for creating and displaying geologic structure model |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105957146A (en) * | 2016-04-29 | 2016-09-21 | 铁道第三勘察设计院集团有限公司 | Linear engineering three-dimensional geological modeling method |
| CN106971035A (en) * | 2017-03-23 | 2017-07-21 | 中铁第勘察设计院集团有限公司 | The method of quick identification geological information in bridge foundation design |
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