CN112907696A - Method for drawing map by digital lines based on satellite image map - Google Patents

Method for drawing map by digital lines based on satellite image map Download PDF

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Publication number
CN112907696A
CN112907696A CN202110049933.XA CN202110049933A CN112907696A CN 112907696 A CN112907696 A CN 112907696A CN 202110049933 A CN202110049933 A CN 202110049933A CN 112907696 A CN112907696 A CN 112907696A
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China
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module
image
map
dimensional
image processing
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CN202110049933.XA
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李华
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Hubei Zhonglian Geographic Information Co ltd
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Hubei Zhonglian Geographic Information Co ltd
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    • 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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Remote Sensing (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Image Processing (AREA)
  • Processing Or Creating Images (AREA)

Abstract

The invention discloses a method for drawing a map by digital lines based on a satellite image map, which comprises an acquisition module, an image processing module, an integration module, a judgment and comparison module, a storage module, a difference execution module and a non-difference execution module, wherein the acquisition module comprises a three-dimensional environment acquisition module and a two-dimensional environment acquisition module which is simultaneously carried out with the three-dimensional environment acquisition module. The invention achieves the effect of accurately measuring the place needing to be drawn on the basis of the existing satellite image technology through the arranged acquisition module and the image processing module, carries out image judgment through the integration module and the judgment comparison module, directly triggers the non-difference execution module to draw when the image measurement is finished and the original image of the database is not different, and triggers the difference execution module to draw when the image difference is different.

Description

Method for drawing map by digital lines based on satellite image map
Technical Field
The invention relates to the technical field of satellite image digital line drawing maps, in particular to a method for carrying out digital line drawing maps based on satellite image maps.
Background
With the continuous development of the prior art, the drawing precision of the map is higher and higher, and when the map is measured in the earlier stage of drawing, the remote sensing satellite technology is used for accurate measurement, so that the map with higher precision can be drawn conveniently.
In the practical process of the traditional method for measuring based on the satellite image to assist in carrying out digital line drawing on the map, the operation drawing speed is low, different programs cannot be judged, compared and executed, and therefore the method for carrying out digital line drawing on the map based on the satellite image is provided.
Disclosure of Invention
Therefore, the invention aims to provide a method for drawing a map by using a satellite image map, which achieves the effect of accurately measuring the place needing to be drawn by using the existing satellite image technology through an acquisition module and an image processing module, judges the image through an integration module and a judgment comparison module, directly triggers a non-difference execution module to draw the map when the image is measured and has no difference with the original image of a database, and triggers a difference execution module to draw the map when the image has different differences.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a method for drawing a map based on digital lines by utilizing a satellite image map comprises the following steps:
the acquisition module comprises a three-dimensional environment acquisition module and a two-dimensional environment acquisition module which is performed simultaneously with the three-dimensional environment acquisition module;
the image processing module comprises a three-dimensional image processing module for processing the information of the three-dimensional environment acquisition module and a two-dimensional image processing module for processing the information of the two-dimensional environment acquisition module;
the integration module integrates the image information acquired by the three-dimensional image processing module and the two-dimensional image processing module;
the judging and comparing module is used for comparing the image data integrated by the integrating module with the original measured image of the database, judging and screening the difference from the original measured and obtained image, and updating the image;
the storage module screens out the place different from the original image in the database by the judgment and comparison module and stores the latest image as a new document;
the difference execution module beautifies the new document image stored in the storage module and then forms a new digital line map;
and the non-difference execution module is used for directly executing the drawing to form a digital line drawing map when the judgment comparison module judges that no difference exists.
As a preferred embodiment of the method for performing digital line drawing based on satellite image map according to the present invention, the three-dimensional environment acquisition module and the two-dimensional environment acquisition module simultaneously perform satellite information acquisition.
As a preferable aspect of the method for drawing a map based on digital line drawing using a satellite image map according to the present invention, when the three-dimensional image processing module acquires a part of image information, the three-dimensional image processing module may perform image processing while acquiring the image information.
As a preferable embodiment of the method for performing digital line drawing on a map by using a satellite image map, the integration module integrates a three-dimensional image processing module and a two-dimensional image processing module at the same time.
As a preferred embodiment of the method for drawing a map by digital line drawing using a satellite image map, the determination and comparison module is used for determining image information, so as to trigger different execution modules.
As a preferred embodiment of the method for performing digital line drawing on a map by using a satellite image map, when the judgment and comparison module judges that there is no difference from the original image in the database, the non-difference execution module is directly triggered, and the non-difference execution module performs image beautification as well.
Compared with the prior art, the invention has the beneficial effects that: the method has the advantages that the method has an execution selection function, improves the speed of the digital drawing map, greatly improves the efficiency of the digital line drawing map, when in specific use, the acquisition module respectively acquires three-dimensional environment information acquired by a satellite and two-dimensional environment information acquired by the satellite, the acquired image processing module respectively performs image processing on the three-dimensional environment and performs image processing on the two-dimensional environment, and the integration module integrates three-dimensional and two-dimensional images after processing, and transmitting the image data to a map database for comparison, judging the difference between the latest obtained image data and the original image, if the image difference exists, correspondingly modifying the image with the difference, saving the image as a new document, directly triggering a difference execution module, beautifying the modified image, performing plotting after beautifying, forming a digital line plotting map, and if the acquired image is different from the image of the database, directly triggering a no-difference execution module, directly performing plotting, and forming the digital line plotting map.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
fig. 1 is a flow chart of a method for drawing a map based on digital lines by using a satellite image map according to the present invention.
In the figure: 100. an acquisition module; 110. a three-dimensional environment acquisition module; 120. a two-dimensional environment acquisition module; 200. an image processing module; 210. a three-dimensional image processing module; 220. a two-dimensional image processing module; 300. an integration module; 400. a judgment and comparison module; 500. a storage module; 600. a difference execution module exists; 700. and executing the module without difference.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a method for drawing a map by digital lines based on a satellite image map, which achieves the effect of accurately measuring the place needing to be drawn based on the existing satellite image technology by an acquisition module 100 and an image processing module 200, judges the image by an integration module 300 and a judgment comparison module 400, directly triggers a non-difference execution module 700 to draw the map when the image is measured and no difference exists with the original image of a database, and triggers a difference execution module 600 to draw the map when the image has a difference.
Fig. 1 is a schematic diagram illustrating an overall structure of an embodiment of a method for performing digital line mapping based on a satellite image map according to the present invention, and referring to fig. 1, a main part of the embodiment of the method for performing digital line mapping based on a satellite image map includes an obtaining module 100, an image processing module 200, an integrating module 300, a judging and comparing module 400, a storing module 500, a difference execution module 600, and a no-difference execution module 700.
The obtaining module 100 is configured to obtain an image, specifically, the obtaining module 100 includes a three-dimensional environment obtaining module 110 and a two-dimensional environment obtaining module 120 that is performed simultaneously with the three-dimensional environment obtaining module 110, and when the obtaining module is used specifically, the three-dimensional environment obtaining module 110 and the two-dimensional environment obtaining module 120 perform satellite information obtaining simultaneously to collect a stereo image and a plane image of an environment.
The image processing module 200 is configured to perform data processing on an image, so as to facilitate subsequent image integration and judgment, specifically, the image processing module 200 includes a three-dimensional image processing module 210 that processes information of the three-dimensional environment acquisition module 110 and a two-dimensional image processing module 220 that processes information of the two-dimensional environment acquisition module 120, when the image processing module 200 is used specifically, the acquired data is subjected to data processing by the image processing module 200, and when the three-dimensional environment acquisition module acquires a part of image information, the three-dimensional image processing module can perform image processing while acquiring and processing, so as to facilitate image integration.
The integration module 300 is configured to integrate the images after the data processing, and specifically, the integration module 300 integrates the image information acquired by the three-dimensional image processing module 210 and the two-dimensional image processing module 220.
The judgment and comparison module 400 is used for comparing and judging the acquired image with the original image in the database, triggering the corresponding execution module, improving the map drawing rate, specifically, the judgment and comparison module 400 compares the image data integrated by the integration module 300 with the original measured image in the database, judges and screens out the difference with the original measured acquired image, updates the image, and triggers the corresponding execution module.
The storage module 500 is used for storing new images, so as to update the latest map information, specifically, the storage module 500 screens out the place different from the original image in the database by the judgment and comparison module 400, and stores the latest image as a new document, and the information stored in the storage module 500 is convenient for performing map plotting directly.
The difference execution module 600 is used for executing the digital line drawing map when the image difference exists, specifically, the difference execution module 600 beautifies the new document image stored in the storage module 500, and then forms a new digital line drawing map.
Specifically, when the non-difference execution module 700 determines that there is no difference between the acquired image and the database image, the non-difference execution module 700 directly executes the plotting to form a digital line map, and the non-difference execution module also performs the image beautification.
With reference to fig. 1, in a digital line mapping method based on satellite image mapping according to this embodiment, when the method is used specifically, an acquisition module 100 acquires three-dimensional environment information acquired by a satellite and two-dimensional environment information acquired by the satellite, an acquired image processing module 200 performs image processing on the three-dimensional environment and image processing on the two-dimensional environment, an integration module 300 integrates the three-dimensional image and the two-dimensional image and transmits the three-dimensional image and the two-dimensional image to a map database for comparison, and determines the difference between the latest image data and the original image, if there is an image difference, the image with the difference is modified correspondingly and stored as a new document, a difference execution module 600 is triggered directly, the modified image is beautified, and the image is executed after beautification to form a digital line mapping map, if the acquired image is different from the database, at this time, the non-difference execution module 700 is directly triggered to directly execute the drawing to form a digital line drawing map.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A method for drawing a map based on digital lines by utilizing a satellite image map is characterized by comprising the following steps:
an acquisition module (100) comprising a three-dimensional environment acquisition module (110) and a two-dimensional environment acquisition module (120) that is performed simultaneously with the three-dimensional environment acquisition module (110);
an image processing module (200) including a three-dimensional image processing module (210) that information-processes the three-dimensional environment acquisition module (110) and a two-dimensional image processing module (220) that information-processes the two-dimensional environment acquisition module (120);
an integration module (300) for integrating the image information obtained by the three-dimensional image processing module (210) and the two-dimensional image processing module (220);
the judgment and comparison module (400) is used for comparing the image data integrated by the integration module (300) with the original measurement image of the database, judging and screening the difference from the original measurement acquired image, and updating the image;
the storage module (500) screens out the place different from the original image in the database by the judgment and comparison module (400), and stores the latest image as a new document;
a difference execution module (600) is used for beautifying the new document image stored by the storage module (500) and then forming a new digital line drawing map;
and the non-difference execution module (700) directly executes the graph to form a digital line drawing map when the judgment comparison module (400) judges that no difference exists.
2. The method for performing digital line drawing mapping based on satellite image mapping as claimed in claim 1, wherein the three-dimensional environment acquisition module (110) and the two-dimensional environment acquisition module (120) perform satellite information acquisition simultaneously.
3. The method for performing digital line drawing on a map based on a satellite image map as claimed in claim 2, wherein the three-dimensional image processing module (210) performs image processing while acquiring when the three-dimensional environment acquisition module (110) acquires a part of image information.
4. The method for performing digital line drawing on a map according to claim 3, wherein the integration module (300) integrates the three-dimensional image processing module (210) and the two-dimensional image processing module (220) simultaneously.
5. The method for performing digital line drawing on a map according to claim 4, wherein the judgment comparison module (400) is used for judging image information so as to trigger different execution modules.
6. The method for drawing the map on the basis of the digital line by using the satellite image map as claimed in claim 5, wherein when the judgment and comparison module (400) judges that there is no difference with the original image of the database, the non-difference execution module (700) is directly triggered, and the non-difference execution module (700) also performs the image beautification.
CN202110049933.XA 2021-01-14 2021-01-14 Method for drawing map by digital lines based on satellite image map Pending CN112907696A (en)

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CN202110049933.XA CN112907696A (en) 2021-01-14 2021-01-14 Method for drawing map by digital lines based on satellite image map

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Application Number Priority Date Filing Date Title
CN202110049933.XA CN112907696A (en) 2021-01-14 2021-01-14 Method for drawing map by digital lines based on satellite image map

Publications (1)

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CN112907696A true CN112907696A (en) 2021-06-04

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