CN110969679A - Arcgis and cas software combined image correction method - Google Patents
Arcgis and cas software combined image correction method Download PDFInfo
- Publication number
- CN110969679A CN110969679A CN201911181521.0A CN201911181521A CN110969679A CN 110969679 A CN110969679 A CN 110969679A CN 201911181521 A CN201911181521 A CN 201911181521A CN 110969679 A CN110969679 A CN 110969679A
- Authority
- CN
- China
- Prior art keywords
- image
- software
- coordinate
- point
- base point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003702 image correction Methods 0.000 title claims abstract description 9
- 238000012937 correction Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 abstract description 2
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention discloses an image correction method combining Arcgis and cas software, which relates to the technical field of surveying and mapping science, and comprises the steps of introducing an orthoscopic image output by aerospace long-range EPT software into the Arcgis software to obtain an orthoscopic image containing a coordinate grid and a coordinate system, then introducing the obtained image into southern CASS10.0 software, selecting a grid intersection point in an image as a first base point, copying the image to a new image layer, and taking the coordinate of the first base point in the new image layer as a geodetic coordinate; selecting another grid intersection point as a second base point, determining geodetic coordinates of the first and second base points in space long-range view EPT software, calculating the distance on the graph of the two base points, obtaining the actual distance of the two base points through the two geodetic coordinates, obtaining a scale factor of the actual distance and the distance on the graph, and then scaling to obtain an image after coordinate correction; the invention overcomes the problem that coordinates are lost when an orthoimage (the output format is tif) generated by aerospace long-range EPT software is imported into southern CASS 10.0.
Description
Technical Field
The invention relates to the technical field of surveying and mapping science, in particular to a processing method of an image of an output coordinate of aerospace perspective EPT software.
Background
When an orthoimage (in an output format of tif) generated by aerospace long-range view EPT software is introduced into the southern CASS10.0, a coordinate loss phenomenon occurs, and when the image is corrected in the southern CASS10.0, an image error is too large, and deformation is serious. Therefore, how to overcome the above phenomena is an urgent technical problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an image correction method combining Arcgis and cas software to solve the technical problem of coordinate loss in the process of importing an orthoimage output by space perspective EPT software into southern CASS software in the prior art.
The invention is realized by the following technical scheme:
the invention provides an image correction method combining Arcgis and cas software, which is characterized by comprising the following steps of:
acquiring a first geodetic coordinate and a second geodetic coordinate corresponding to the first base point and the second base point by using space perspective EPT software;
step 1, importing an ortho-image output by aerospace long-range EPT software into Arcgis software, selecting a coordinate system corresponding to the ortho-image, and obtaining an ortho-image containing the coordinate system;
step 2, selecting a coordinate grid to obtain an orthoimage containing the coordinate grid and a coordinate system;
step 3, adjusting the size of the drawing, storing the image, obtaining an orthoimage processed by the Arcgis software, and ending the processing step in the Arcgis software;
step 4, importing the image obtained in the step 3 into southern CASS10.0 software, selecting a grid intersection point as a first base point in the image, determining the geodetic coordinates of the first base point in space perspective EPT software, and copying the whole image into a new image layer, wherein the coordinates of the first base point in the new image layer are the geodetic coordinates of the first base point;
step 5, calculating a scale factor
Selecting another grid intersection point as a second base point, determining geodetic coordinates of the second base point in space long-range view EPT software, inquiring the distance and the direction between the two base points under an engineering application menu, calculating the distance on the graph of the two base points through the grid interval, obtaining the actual distance between the two base points through the two geodetic coordinates corresponding to the two base points, and obtaining a scaling factor of the actual distance and the distance on the graph;
step 6, scaling
Under an editing menu, selecting scaling, selecting a first base point as a starting point, inputting a scale factor, executing operation by an enter key, obtaining an image after coordinate correction, and obtaining geodetic coordinates again by the image;
further, the method also includes:
step 7, precision inspection
In the southern CASS10.0, a grid cross intersection furthest from a base point on a graph is searched for a central point, the error between the geodetic coordinate of the point in the aerospace long-range EPT software and the coordinate shown by the grid is checked, the required precision is met, the next step of work can be carried out, and if the error is too large, the steps 1-6 are repeated
The invention provides an image correction method combining Arcgis and cas software, and compared with the prior art, the image correction method has the beneficial effects that:
the invention adds the grid into the original image without coordinate information, more conveniently calculates the proportional relation (called as a scale factor) between the distance between two points on the graph and the actual distance between the two points, and then scales by using the known actual coordinate point as a base point. With the scale factor sufficiently accurate, the image acquires geodetic coordinates. The problem that coordinates are lost when an orthoimage (the output format is tif) generated by aerospace long-range EPT software is imported into a southern CASS10.0 is solved. The invention ensures that the ortho-image without the coordinate system obtains the geodetic coordinates again in the southern CASS10.0, so that the next drawing work has precision guarantee.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the term "comprising" in the description and claims of the present application is intended to cover a non-exclusive inclusion, e.g. a method comprising a list of steps is not necessarily limited to those steps explicitly listed, but may include other steps not explicitly listed or inherent to such methods. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to examples.
Examples
An image correction method combining Arcgis and cas software, comprising the following steps:
acquiring a first geodetic coordinate and a second geodetic coordinate corresponding to the first base point and the second base point by using space perspective EPT software;
step 1, importing an ortho-image output by aerospace long-range EPT software into Arcgis software, selecting a coordinate system corresponding to the ortho-image, and obtaining an ortho-image containing the coordinate system;
step 2, selecting a coordinate grid to obtain an orthoimage containing the coordinate grid and a coordinate system;
step 3, adjusting the size of the drawing, storing the image, obtaining an orthoimage processed by the Arcgis software, and ending the processing step in the Arcgis software;
step 4, importing the image obtained in the step 3 into southern CASS10.0 software, selecting a grid intersection point as a first base point in the image, determining the geodetic coordinates of the first base point in space perspective EPT software, and copying the whole image into a new image layer, wherein the coordinates of the first base point in the new image layer are the geodetic coordinates of the first base point;
step 5, calculating a scale factor
Selecting another grid intersection point as a second base point, determining geodetic coordinates of the second base point in space long-range view EPT software, inquiring the distance and the direction between the two base points under an engineering application menu, calculating the distance on the graph of the two base points through the grid interval, obtaining the actual distance between the two base points through the two geodetic coordinates corresponding to the two base points, and obtaining a scaling factor of the actual distance and the distance on the graph;
step 6, scaling
Under an editing menu, selecting scaling, selecting a first base point as a starting point, inputting a scale factor, executing operation by an enter key, obtaining an image after coordinate correction, and obtaining geodetic coordinates again by the image;
step 7, precision inspection
In the southern CASS10.0, a central point is searched at the cross intersection of the grids farthest from the base point on the graph, the error between the geodetic coordinates of the point in the aerospace long-range EPT software and the coordinates shown by the grids is checked, the required precision is met, the next step can be carried out, and if the error is too large, the steps 1-6 are repeated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The present invention is not limited to the above description of the embodiments, and those skilled in the art should, in light of the present disclosure, appreciate that many changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (2)
1. An image correction method combining Arcgis and cas software, the method comprising the steps of:
acquiring a first geodetic coordinate and a second geodetic coordinate corresponding to the first base point and the second base point by using space perspective EPT software;
step 1, importing an ortho-image output by aerospace long-range EPT software into Arcgis software, selecting a coordinate system corresponding to the ortho-image, and obtaining an ortho-image containing the coordinate system;
step 2, selecting a coordinate grid to obtain an orthoimage containing the coordinate grid and a coordinate system;
step 3, adjusting the size of the drawing, storing the image, obtaining an orthoimage processed by the Arcgis software, and ending the processing step in the Arcgis software;
step 4, importing the image obtained in the step 3 into southern CASS10.0 software, selecting a grid intersection point as a first base point in the image, determining the geodetic coordinates of the first base point in space perspective EPT software, and copying the whole image into a new image layer, wherein the coordinates of the first base point in the new image layer are the geodetic coordinates of the first base point;
step 5, calculating a scale factor
Selecting another grid intersection point as a second base point, determining geodetic coordinates of the second base point in space long-range view EPT software, inquiring the distance and the direction between the two base points under an engineering application menu, calculating the distance on the graph of the two base points through the grid interval, obtaining the actual distance between the two base points through the two geodetic coordinates corresponding to the two base points, and obtaining a scaling factor of the actual distance and the distance on the graph;
step 6, scaling
Under the editing menu, scaling is selected, a first base point is selected as a starting point, a scale factor is input, an enter key executes operation, an image after coordinate correction is obtained, and geodetic coordinates are obtained again by the image.
2. The method of claim 1, further comprising:
step 7, precision inspection
In the southern CASS10.0, a central point is searched at the cross intersection of the grids farthest from the base point on the graph, the error between the geodetic coordinates of the point in the aerospace long-range EPT software and the coordinates shown by the grids is checked, the required precision is met, the next step can be carried out, and if the error is too large, the steps 1-6 are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181521.0A CN110969679A (en) | 2019-11-27 | 2019-11-27 | Arcgis and cas software combined image correction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181521.0A CN110969679A (en) | 2019-11-27 | 2019-11-27 | Arcgis and cas software combined image correction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110969679A true CN110969679A (en) | 2020-04-07 |
Family
ID=70031838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911181521.0A Pending CN110969679A (en) | 2019-11-27 | 2019-11-27 | Arcgis and cas software combined image correction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110969679A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855810A (en) * | 2012-09-04 | 2013-01-02 | 绍兴文理学院 | Digital line graphic method based on satellite image map |
| CN103247033A (en) * | 2013-04-26 | 2013-08-14 | 中国科学院东北地理与农业生态研究所 | Vector data correction method for image-based control point selection |
| CN104299269A (en) * | 2014-09-30 | 2015-01-21 | 长江岩土工程总公司（武汉） | Geological section output method of three-dimensional geological model |
| WO2018133727A1 (en) * | 2017-01-20 | 2018-07-26 | 高德软件有限公司 | Method and apparatus for generating orthophoto map |
| CN110246203A (en) * | 2019-05-23 | 2019-09-17 | 胜利油田森诺胜利工程有限公司 | A method of digital line is drawn based on striograph and draws topographic map |
-
2019
- 2019-11-27 CN CN201911181521.0A patent/CN110969679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855810A (en) * | 2012-09-04 | 2013-01-02 | 绍兴文理学院 | Digital line graphic method based on satellite image map |
| CN103247033A (en) * | 2013-04-26 | 2013-08-14 | 中国科学院东北地理与农业生态研究所 | Vector data correction method for image-based control point selection |
| CN104299269A (en) * | 2014-09-30 | 2015-01-21 | 长江岩土工程总公司（武汉） | Geological section output method of three-dimensional geological model |
| WO2018133727A1 (en) * | 2017-01-20 | 2018-07-26 | 高德软件有限公司 | Method and apparatus for generating orthophoto map |
| CN110246203A (en) * | 2019-05-23 | 2019-09-17 | 胜利油田森诺胜利工程有限公司 | A method of digital line is drawn based on striograph and draws topographic map |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112086010B (en) | Map generation method, map generation device, map generation equipment and storage medium | |
| CN109086286B (en) | Method for producing and publishing color topographic map | |
| CN106919567B (en) | Method and device for processing POI (Point of interest) address | |
| KR100686287B1 (en) | Distorting Modeling method for Transforming the Presize Position of Partial/Positional information | |
| CN105786822A (en) | Method and device for inquiring spatial object and establishing spatial index in electronic map | |
| US11074448B2 (en) | Method for 3D mapping of 2D point of interest | |
| CN113536412A (en) | BIM and GIS-based high-precision fusion method for three-dimensional live-action model | |
| CN114241018A (en) | Tooth point cloud registration method and system and readable storage medium | |
| CN112381940A (en) | Processing method and device for generating digital elevation model from point cloud data and terminal equipment | |
| JP5916052B2 (en) | Alignment method | |
| CN110969679A (en) | Arcgis and cas software combined image correction method | |
| JP2010061259A (en) | Three-dimensional solid shape data conversion device and conversion method | |
| CN117057012A (en) | Mountain side slope earth-rock balance calculation method based on BIM+GIS technology | |
| CN116934967A (en) | Three-dimensional model positioning method, system, equipment and medium | |
| JP2019020260A (en) | Parameter distribution system | |
| CN110989886A (en) | Three-dimensional space grid selection method and device based on space map | |
| JP2007004294A (en) | Three-dimensional map image generation device and method | |
| CN105894471A (en) | Medium-small scale orthoimage rapid correction method based on large-scale topographic map | |
| CN102706326B (en) | Processing method of light beam method aerial triangulation file data | |
| JP2007170820A (en) | Three-dimensional displacement measurement method | |
| CN112884890A (en) | Multi-format basic geographic information data fusion display method | |
| CN106443732B (en) | Path diagram drawing method and system based on GPS | |
| CN116295444B (en) | Navigation method, system, terminal and storage medium for field operation | |
| CN115187713B (en) | Method, equipment and medium for accelerating point cloud point selection operation | |
| CN117372567B (en) | Layout generation method, device, equipment and medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200407 |