CN117132722A - Data processing method and device for three-dimensional ground view generation - Google Patents

Data processing method and device for three-dimensional ground view generation Download PDF

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Publication number
CN117132722A
CN117132722A CN202311040378.XA CN202311040378A CN117132722A CN 117132722 A CN117132722 A CN 117132722A CN 202311040378 A CN202311040378 A CN 202311040378A CN 117132722 A CN117132722 A CN 117132722A
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data
scene
flight
processed
terrain
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王峰
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Beijing Avic Shuangxing Technology Co ltd
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Beijing Avic Shuangxing Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05—Geographic models
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/04—Texture mapping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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  • Physics & Mathematics (AREA)
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  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Processing Or Creating Images (AREA)

Abstract

The application discloses a data processing method and device for three-dimensional ground scene generation. Acquiring flight data to be processed, wherein the flight data to be processed are data for representing the flight state of an aircraft; performing scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft; and performing terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data for representing the corresponding flying ground scene of the aircraft. The problem that in the prior art, the three-dimensional visual display of the flying terrain scene is lacking in the flying process of the aircraft is solved, and visual display of the terrain information is realized.

Description

Data processing method and device for three-dimensional ground view generation
Technical Field
The application relates to the field of computers, in particular to a data processing method and device for three-dimensional ground scene generation.
Background
With the continuous development of aviation flight field technology, the application of aircrafts in different fields is gradually wide, and in the flight process, the real-time monitoring of environmental conditions is required to improve flight safety, such as the need to provide three-dimensional terrain, obstacles, airports and other image information for pilots, and in order to further ensure the flight safety, the need to provide terrain information for pilots is also required, and how to provide the terrain information for pilots is of great importance. In the prior art, when the topographic information is provided for pilots, three-dimensional visual display of the topographic scene is lacking. Aiming at the problem that the three-dimensional visual display of the flying terrain scene is lacking in the prior art, a data processing method for generating the three-dimensional ground scene is provided so as to realize the generation of the three-dimensional ground scene in the flying process.
Disclosure of Invention
The application mainly aims to provide a data processing method and device for three-dimensional ground scene generation, so as to solve the problem that in the prior art, an aircraft is lack of three-dimensional visual display of a flying terrain scene in the flying process, and realize visual display of terrain information.
In order to achieve the above object, a first aspect of the present application provides a data processing method for three-dimensional ground scene generation, which is applied to an airborne vision system to achieve three-dimensional ground scene generation in a flight process, the data processing method includes:
acquiring flight data to be processed, wherein the flight data to be processed are data for representing the flight state of an aircraft;
performing scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft;
and performing terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data for representing the corresponding flying ground scene of the aircraft.
Further, performing scene construction processing based on a scene model on the flight data to be processed, and obtaining process scene data includes:
performing recognition processing based on position features on the flight data to be processed to obtain position feature data, wherein the position feature data are feature data which are used for representing the flight position of the aircraft;
determining elevation map data according to the position characteristic data to obtain elevation map data to be processed, wherein the elevation map data to be processed are elevation map data corresponding to the flight position of the aircraft;
performing terrain grid construction processing on the elevation map data to be processed to obtain process terrain grid data, wherein the process terrain grid data are data for representing terrain simulation grids corresponding to the aircraft;
and carrying out texture construction processing on the process terrain grid data to obtain the process scene data.
Further, performing texture construction processing on the process terrain mesh data to obtain the process scene data includes:
determining topographic image data according to the position characteristic data to obtain image data to be processed, wherein the image data to be processed is topographic image data corresponding to the flying position;
performing texture mapping processing based on position features on the process terrain grid data and the image data to be processed to obtain process texture scene data, wherein the process texture scene data is data for representing that textures in the image to be processed are mapped onto the process terrain grid according to the position features to obtain a terrain scene;
and performing texture optimization processing based on simulation precision on the process texture scene data to obtain the process scene data.
Further, performing texture mapping processing based on position features on the process terrain mesh data and the image data to be processed, to obtain process texture scene data, including:
performing recognition processing based on the terrain position features on the process terrain grid data to obtain position terrain grid data, wherein the position terrain grid data are grid data used for representing the corresponding terrain positions;
performing recognition processing based on the topographic position features on the image data to be processed to obtain position topographic image data, wherein the position topographic image data is image data used for representing the correspondence of the topographic position;
and mapping the texture of the position feature corresponding to the position topographic image data to the topographic grid corresponding to the position topographic grid data to obtain the process texture scene data.
Further, performing terrain generation processing on the process scene data based on the flying height to obtain flying three-dimensional ground scene data comprises:
performing recognition processing based on the flight height on the flight data to be processed to obtain the flight data to be processed, wherein the flight data to be processed are data for representing the flight height of the aircraft;
performing viewpoint-based recognition processing on the flight data to be processed to obtain flight viewpoint data, wherein the flight viewpoint data are data for representing corresponding viewpoints of the aircraft;
performing viewpoint scene switching processing on the process scene data according to the flight viewpoint data to obtain viewpoint scene data, wherein the viewpoint scene data is scene data used for representing the viewpoint of the aircraft;
and carrying out three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed to obtain the flying three-dimensional ground view data.
Further, performing three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed, and obtaining the flying three-dimensional ground view data includes:
performing recognition processing based on meteorological features on the flight data to be processed to obtain the meteorological feature data to be processed, wherein the meteorological feature data to be processed are data for representing meteorological features of the flight environment of the aircraft;
performing three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed to obtain process flight three-dimensional ground view data;
and carrying out scene weather generation processing on the process flight three-dimensional ground scene data according to the weather characteristic data to be processed to obtain the flight three-dimensional ground scene data.
According to a second aspect of the present application, a data processing device for three-dimensional ground scene generation is provided, and the data processing device is applied to an airborne vision system to realize three-dimensional ground scene generation in a flight process, and the data processing device includes:
the system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring flight data to be processed, and the flight data to be processed are data for representing the flight state of an aircraft;
the scene construction module is used for carrying out scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data are data used for representing a three-dimensional scene model corresponding to the flight of the aircraft;
the three-dimensional ground scene generation module is used for carrying out terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data used for representing the corresponding flying ground scene of the aircraft.
Further, the scene construction module includes:
the identification module is used for carrying out identification processing based on position characteristics on the flight data to be processed to obtain position characteristic data, wherein the position characteristic data are characteristic data which are used for representing the flight position of the aircraft;
the elevation map module is used for determining elevation map data according to the position characteristic data to obtain elevation map data to be processed, wherein the elevation map data to be processed are elevation map data corresponding to the flight position of the aircraft;
the terrain grid construction module is used for carrying out terrain grid construction processing on the elevation map data to be processed to obtain process terrain grid data, wherein the process terrain grid data are data for representing corresponding terrain simulation grids of the aircraft;
and the texture module is used for carrying out texture construction processing on the process terrain grid data to obtain the process scene data.
According to a third aspect of the present application, a computer-readable storage medium storing computer instructions for causing the computer to execute the above-described data processing method for three-dimensional ground view generation is provided.
According to a fourth aspect of the present application, there is provided an electronic device comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to cause the at least one processor to perform the data processing method for three-dimensional ground view generation described above.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
in the application, flight data to be processed are acquired, wherein the flight data to be processed are data for representing the flight state of an aircraft; performing scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft; and performing terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data for representing the corresponding flying ground scene of the aircraft. The problem that in the prior art, the three-dimensional visual display of the flying terrain scene is lacking in the flying process of the aircraft is solved, and visual display of the terrain information is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:
FIG. 1 is a flow chart of a data processing method for three-dimensional ground view generation provided by the application;
FIG. 2 is a flow chart of a data processing method for three-dimensional ground view generation provided by the application;
FIG. 3 is a schematic diagram of a data processing apparatus for three-dimensional ground view generation according to the present application;
fig. 4 is a schematic diagram of another data processing apparatus for three-dimensional ground view generation according to the present application.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
With the continuous development of aviation flight field technology, the application of aircrafts in different fields is gradually wide, and in the flight process, the real-time monitoring of environmental conditions is required to improve flight safety, such as the need to provide three-dimensional terrain, obstacles, airports and other image information for pilots, and in order to further ensure the flight safety, the need to provide terrain information for pilots is also required, and how to provide the terrain information for pilots is of great importance. In the prior art, when the topographic information is provided for pilots, three-dimensional visual display of the topographic scene is lacking. Aiming at the problem that the three-dimensional visual display of the flying terrain scene is lacking in the prior art, a data processing method for generating the three-dimensional ground scene is provided so as to realize the generation of the three-dimensional ground scene in the flying process.
In some alternative embodiments of the present application, a data processing method for three-dimensional ground scene generation is provided, and the method is applied to an airborne vision system to realize three-dimensional ground scene generation in a flight process, and fig. 1 is a flowchart of the data processing method for three-dimensional ground scene generation provided by the present application, and as shown in fig. 1, the method includes the following steps:
s101: acquiring flight data to be processed;
the flight data to be processed are data for representing the flight state of the aircraft, wherein the flight data to be processed comprise flight information, flight control information and the like, and comprise airborne data such as GPS data, altitude data, flight attitude data and the like, and the real-time flight data are acquired and are subjected to data matching with an airborne vision system in a preset server so as to realize the generation and processing of three-dimensional ground vision images of the flight data to be processed and provide visual three-dimensional display of a terrain scene for flight personnel.
S102: performing scene construction processing based on a scene model on flight data to be processed to obtain process scene data;
the process scene data are data used for representing a three-dimensional scene model corresponding to the flight of the aircraft, a terrain scene model corresponding to the aircraft currently is constructed according to the flight data to be processed, and the three-dimensional ground scene data of the flight are obtained by processing the three-dimensional ground scene model based on the viewpoint, the altitude, the flight weather and other data. By constructing a corresponding three-dimensional scene construction model for the scene, on the basis of constructing the three-dimensional scene model, flight three-dimensional ground scene data in different states are obtained based on real-time flight data, and the efficiency of generating the flight three-dimensional ground scene is improved.
In another alternative embodiment of the present application, a data processing method for three-dimensional ground view generation is provided, and fig. 2 is a flowchart of a data processing method for three-dimensional ground view generation provided by the present application, as shown in fig. 2, and the method includes the following steps:
s201: performing recognition processing based on position characteristics on the flight data to be processed to obtain position characteristic data;
the position characteristic data are characteristic data which are used for representing the corresponding flight position of the aircraft;
s202: and determining elevation map data according to the position characteristic data to obtain elevation map data to be processed, and matching the elevation map data of the terrain position corresponding to the position characteristic data in a preset view system database.
The elevation map data to be processed are elevation map data corresponding to the flight position of the aircraft;
s203: carrying out terrain grid construction processing on the elevation map data to be processed to obtain process terrain grid data;
the process terrain mesh data is data representing a corresponding terrain simulation mesh of the aircraft.
In another alternative embodiment of the present application, in performing the terrain mesh construction, the method includes: constructing a terrain grid based on a multi-Detail Level (LOD) technology for the terrain elevation graph, and performing grid variant (Morph) animation processing on the terrain grid constructed based on the LOD technology so as to avoid grid shape mutation during switching before different LODs and improve the simulation precision of a terrain grid model.
S204: and performing texture construction processing on the process terrain grid data to obtain process scene data.
In another alternative embodiment of the present application, there is provided a data processing method for three-dimensional ground view generation, including:
determining topographic image data according to the position characteristic data to obtain image data to be processed, wherein the image data to be processed is topographic image data corresponding to the flying position; the image data to be processed can be satellite influence data or aerial photographing data of the terrain;
performing texture mapping processing based on position features on the process terrain grid data and the image data to be processed to obtain process texture scene data, wherein the process texture scene data is data for representing that textures in the image to be processed are mapped onto the process terrain grid according to the position features to obtain a terrain scene; the method comprises the steps of mapping an image to be processed onto a terrain grid according to longitude and latitude coordinates, and constructing a texture effect matched with the terrain;
and performing texture optimization processing based on simulation precision on the process texture scene data to obtain the process scene data.
In another optional embodiment of the present application, there is provided a data processing method for three-dimensional ground scene generation, in a process of performing texture mapping processing based on location features on process terrain mesh data and image data to be processed to obtain process texture scene data, the method comprising: performing recognition processing based on the terrain position characteristics on the process terrain grid data to obtain position terrain grid data, wherein the position terrain grid data are grid data used for representing the corresponding terrain position; performing recognition processing based on the topographic position features on the image data to be processed to obtain position topographic image data, wherein the position topographic image data is image data for representing the corresponding topographic position; and mapping the texture of the position feature corresponding to the position topographic image data to the topographic grid corresponding to the position topographic grid data to obtain the process texture scene data.
In another optional embodiment of the present application, in performing texture optimization processing based on simulation precision on process texture scene data to obtain process scene data, a data processing method is provided, including: performing recognition processing based on preset simulation precision on the image data to be processed to obtain high-precision simulation data to be processed, wherein the high-precision simulation data to be processed represent image data of a terrain area needing high-precision simulation; identifying the terrain features of the high-precision simulation data to be processed to obtain a plurality of terrain feature data, wherein the data are used for representing the terrain features of the terrain, such as surface vegetation, surface sand, surface buildings and the like, matching textures corresponding to the terrain feature data, and performing texture optimization on the high-precision terrain grid data to be processed to obtain process scene data.
In another optional embodiment of the application, a terrain network model of different terrain positions is stored in a preset vision system database, and the identification processing based on the position characteristics is performed on the flight data to be processed to obtain position characteristic data; and matching process scene data corresponding to the position characteristic data in a preset view system database, performing ground scene generation processing on the process scene data based on the real-time flight altitude, the flight weather and the view point to obtain flight three-dimensional ground scene data, and improving the efficiency of generating the three-dimensional ground scene data in the flight process.
S103: and performing terrain generation processing based on the flight altitude on the process scene data to obtain flight three-dimensional ground scene data.
The flying three-dimensional ground scene data is three-dimensional data used for representing the corresponding flying ground scene of the aircraft.
In another alternative embodiment of the present application, there is provided a data processing method for three-dimensional ground view generation, including:
carrying out recognition processing based on the flight height on the flight data to be processed to obtain the flight data to be processed, wherein the flight data to be processed are data for representing the flight height of the aircraft; performing viewpoint-based recognition processing on flight data to be processed to obtain flight viewpoint data, wherein the flight viewpoint data are data for representing corresponding viewpoints of the aircraft; performing viewpoint scene switching processing on the process scene data according to the flight viewpoint data to obtain viewpoint scene data, wherein the viewpoint scene data is the scene data which is used for representing the viewpoint of the aircraft and corresponds to the viewpoint; and carrying out three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed to obtain flying three-dimensional ground view data.
In another optional embodiment of the present application, there is provided a data processing method for three-dimensional ground scene generation, performing three-dimensional ground scene generation processing on the viewpoint scene data according to altitude data to be processed, to obtain flying three-dimensional ground scene data, including: the method comprises the steps of carrying out recognition processing based on meteorological features on flight data to be processed to obtain the meteorological feature data to be processed, wherein the meteorological feature data to be processed are data used for representing the meteorological features of the flight environment of an aircraft, and the meteorological features to be processed comprise environmental meteorological features such as cloud layer features, illumination features, shadow features and the like; performing three-dimensional ground view generation processing on viewpoint scene data according to the height data to be processed to obtain process flight three-dimensional ground view data; and carrying out scene weather generation processing on the process flight three-dimensional ground scene data according to the weather feature data to be processed to obtain the flight three-dimensional ground scene data.
In another alternative embodiment of the present application, a data processing device for three-dimensional ground scene generation is provided, and the data processing device is applied to an airborne vision system to realize three-dimensional ground scene generation in a flight process, and fig. 3 is a schematic diagram of the data processing device for three-dimensional ground scene generation provided by the present application, and as shown in fig. 3, the device includes:
the data acquisition module 31 is configured to acquire flight data to be processed, where the flight data to be processed is data for representing a flight state of the aircraft;
the scene construction module 32 is configured to perform scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, where the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft;
the three-dimensional ground scene generation module 33 is configured to perform a terrain generation process based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, where the flying three-dimensional ground scene data is three-dimensional data used for representing a corresponding flying ground scene of the aircraft.
In another alternative embodiment of the present application, a data processing apparatus for three-dimensional ground view generation is provided, and fig. 4 is a schematic diagram of another data processing apparatus for three-dimensional ground view generation provided by the present application, as shown in fig. 4, where the apparatus includes:
the identifying module 41 is configured to perform identifying processing based on location features on the to-be-processed flight data to obtain location feature data, where the location feature data is feature data that is used to represent a flight location of the aircraft;
the elevation map module 42 is configured to determine elevation map data according to the location feature data, and obtain elevation map data to be processed, where the elevation map data to be processed is elevation map data corresponding to a flight location of the aircraft;
the terrain grid construction module 43 is configured to perform terrain grid construction processing on the to-be-processed elevation map data to obtain process terrain grid data, where the process terrain grid data is data for representing a terrain simulation grid corresponding to the aircraft;
the texture module 44 is configured to perform texture construction processing on the process terrain mesh data to obtain process scene data.
The specific manner in which the operations of the units in the above embodiments are performed has been described in detail in the embodiments related to the method, and will not be described in detail here.
In summary, in the present application, flight data to be processed is obtained, where the flight data to be processed is data for representing a flight state of an aircraft; performing scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft; and performing terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data for representing the corresponding flying ground scene of the aircraft. The problem that in the prior art, the three-dimensional visual display of the flying terrain scene is lacking in the flying process of the aircraft is solved, and visual display of the terrain information is realized.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
It will be apparent to those skilled in the art that the elements or steps of the application described above may be implemented in a general purpose computing device, they may be concentrated on a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by computing devices, so that they may be stored in a memory device for execution by the computing devices, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The data processing method for three-dimensional ground scene generation is characterized by being applied to an airborne vision system to realize generation of three-dimensional ground scenes in the flying process, and comprises the following steps:
acquiring flight data to be processed, wherein the flight data to be processed are data for representing the flight state of an aircraft;
performing scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data is data for representing a three-dimensional scene model corresponding to the flight of the aircraft;
and performing terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data for representing the corresponding flying ground scene of the aircraft.
2. The data processing method according to claim 1, wherein performing scene construction processing based on a scene model on the flight data to be processed, obtaining process scene data includes:
performing recognition processing based on position features on the flight data to be processed to obtain position feature data, wherein the position feature data are feature data which are used for representing the flight position of the aircraft;
determining elevation map data according to the position characteristic data to obtain elevation map data to be processed, wherein the elevation map data to be processed are elevation map data corresponding to the flight position of the aircraft;
performing terrain grid construction processing on the elevation map data to be processed to obtain process terrain grid data, wherein the process terrain grid data are data for representing terrain simulation grids corresponding to the aircraft;
and carrying out texture construction processing on the process terrain grid data to obtain the process scene data.
3. The data processing method according to claim 2, wherein performing texture construction processing on the process terrain mesh data to obtain the process scene data includes:
determining topographic image data according to the position characteristic data to obtain image data to be processed, wherein the image data to be processed is topographic image data corresponding to the flying position;
performing texture mapping processing based on position features on the process terrain grid data and the image data to be processed to obtain process texture scene data, wherein the process texture scene data is data for representing that textures in the image to be processed are mapped onto the process terrain grid according to the position features to obtain a terrain scene;
and performing texture optimization processing based on simulation precision on the process texture scene data to obtain the process scene data.
4. A data processing method according to claim 3, wherein performing texture mapping processing based on location features on the process terrain mesh data and the image data to be processed to obtain process texture scene data comprises:
performing recognition processing based on the terrain position features on the process terrain grid data to obtain position terrain grid data, wherein the position terrain grid data are grid data used for representing the corresponding terrain positions;
performing recognition processing based on the topographic position features on the image data to be processed to obtain position topographic image data, wherein the position topographic image data is image data used for representing the correspondence of the topographic position;
and mapping the texture of the position feature corresponding to the position topographic image data to the topographic grid corresponding to the position topographic grid data to obtain the process texture scene data.
5. The data processing method according to claim 1, wherein performing terrain generation processing based on a flight altitude on the process scene data to obtain flight three-dimensional ground scene data includes:
performing recognition processing based on the flight height on the flight data to be processed to obtain the flight data to be processed, wherein the flight data to be processed are data for representing the flight height of the aircraft;
performing viewpoint-based recognition processing on the flight data to be processed to obtain flight viewpoint data, wherein the flight viewpoint data are data for representing corresponding viewpoints of the aircraft;
performing viewpoint scene switching processing on the process scene data according to the flight viewpoint data to obtain viewpoint scene data, wherein the viewpoint scene data is scene data used for representing the viewpoint of the aircraft;
and carrying out three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed to obtain the flying three-dimensional ground view data.
6. The data processing method according to claim 5, wherein performing three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed, obtaining the flying three-dimensional ground view data includes:
performing recognition processing based on meteorological features on the flight data to be processed to obtain the meteorological feature data to be processed, wherein the meteorological feature data to be processed are data for representing meteorological features of the flight environment of the aircraft;
performing three-dimensional ground view generation processing on the viewpoint scene data according to the height data to be processed to obtain process flight three-dimensional ground view data;
and carrying out scene weather generation processing on the process flight three-dimensional ground scene data according to the weather characteristic data to be processed to obtain the flight three-dimensional ground scene data.
7. A data processing device for three-dimensional ground scene generation, which is applied to an airborne vision system to realize three-dimensional ground scene generation in a flight process, the data processing device comprising:
the system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring flight data to be processed, and the flight data to be processed are data for representing the flight state of an aircraft;
the scene construction module is used for carrying out scene construction processing based on a scene model on the flight data to be processed to obtain process scene data, wherein the process scene data are data used for representing a three-dimensional scene model corresponding to the flight of the aircraft;
the three-dimensional ground scene generation module is used for carrying out terrain generation processing based on the flying height on the process scene data to obtain flying three-dimensional ground scene data, wherein the flying three-dimensional ground scene data is three-dimensional data used for representing the corresponding flying ground scene of the aircraft.
8. The data processing apparatus of claim 7, wherein the scene construction module comprises:
the identification module is used for carrying out identification processing based on position characteristics on the flight data to be processed to obtain position characteristic data, wherein the position characteristic data are characteristic data which are used for representing the flight position of the aircraft;
the elevation map module is used for determining elevation map data according to the position characteristic data to obtain elevation map data to be processed, wherein the elevation map data to be processed are elevation map data corresponding to the flight position of the aircraft;
the terrain grid construction module is used for carrying out terrain grid construction processing on the elevation map data to be processed to obtain process terrain grid data, wherein the process terrain grid data are data for representing corresponding terrain simulation grids of the aircraft;
and the texture module is used for carrying out texture construction processing on the process terrain grid data to obtain the process scene data.
9. A computer-readable storage medium storing computer instructions for causing the computer to execute the data processing method for three-dimensional ground view generation according to any one of claims 1 to 6.
10. An electronic device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores a computer program executable by the at least one processor to cause the at least one processor to perform the data processing method for three-dimensional ground view generation of any of claims 1-6.
CN202311040378.XA 2023-08-17 2023-08-17 Data processing method and device for three-dimensional ground view generation Pending CN117132722A (en)

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