Channel change analysis and early warning method, system, computer equipment, and storage medium

Abstract

The present invention relates to a waterway change analysis and early warning method, system, computer equipment, and storage medium. The key points of the technical solution are: the method comprises: obtaining original underwater data of a preset area; collecting the underwater topography of the waterway in the preset area at preset time intervals to obtain multiple waterway underwater topography information; drawing a waterway topography change map according to the original underwater data and multiple waterway underwater topography information; calculating according to the waterway topography change map to obtain the waterway change situation within each preset time; analyzing according to the waterway change situation within each preset time to obtain the abnormal change position and abnormal change time; obtaining the ship navigation information at the abnormal change position and abnormal change time in the preset area; analyzing according to the ship navigation information to obtain abnormal ship information and issuing an early warning; the application has the advantages of high data reuse and strong real-time performance.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging equipment, and more specifically, to a waterway change analysis and early warning method, system, computer equipment, and storage medium. Background Art

[0002] Analysis of changes in underwater topography of waterways plays an important role in engineering fields such as waterway maintenance, waterway regulation, and waterway dredging. Dynamic tracking of changes in underwater topography of waterways is a basic means of waterway maintenance and navigation mark distribution; in-depth analysis of the evolution trend of underwater topography of waterways over the years is an important basis for evaluating the effects of waterway regulation projects; quantitative calculation of the amount of underwater silt washed and deposited before and after waterway dredging is an important indicator for investigating waterway dredging projects.

[0003] Traditional methods for analyzing changes in underwater topography of waterways usually require manual preprocessing of raw data and manual construction of models. Most of them are single-time waterway evolution analyses, without considering the reuse of intermediate results during the processing process. The real-time performance is low, so there is still room for improvement. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a waterway change analysis and early warning method, system, computer equipment, and storage medium, which have the advantages of high data reuse and strong real-time performance.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: A waterway change analysis and early warning method, comprising:

[0006] Obtain original underwater data of the preset area;

[0007] The underwater terrain of the waterway in the preset area is collected at preset intervals to obtain underwater terrain information of multiple waterways;

[0008] Draw a waterway topography change map based on original underwater data and underwater topography information of multiple waterways;

[0009] Calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time;

[0010] Analyze the changes in the waterway within each preset time to obtain the abnormal change location and abnormal change time;

[0011] Obtaining the navigation information of ships at the abnormal change location and abnormal change time in the preset area;

[0012] The ship navigation information is analyzed to obtain abnormal ship information and issue an early warning.

[0013] Optionally, the drawing of a waterway topography change map based on the original underwater data and the underwater topography information of multiple waterways includes:

[0014] Processing the original underwater data to obtain original terrain coordinates;

[0015] Perform data processing on underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates;

[0016] Generate an original topographic map of the waterway according to the original topographic coordinates; and superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

[0017] Optionally, the processing the original underwater data to obtain original terrain coordinates includes:

[0018] The original underwater data is interpolated and gridded to obtain original terrain coordinates.

[0019] Optionally, generating an original topographic map of the waterway according to the original topographic coordinates; and superimposing and displaying a plurality of historical topographic maps of the waterway on the original topographic map of the waterway according to a plurality of historical topographic coordinates to obtain a waterway topographic change map, including:

[0020] Establish a three-dimensional reference coordinate system with the horizontal plane as the reference plane;

[0021] Importing the original terrain coordinates into a three-dimensional reference coordinate system to generate an original terrain map of the waterway;

[0022] Generate corresponding multiple waterway historical topographic maps with different color blocks according to multiple historical topographic coordinates;

[0023] The plurality of waterway historical topographic maps are sorted in time, and are stacked and displayed on the waterway original topographic map to obtain a waterway topographic change map.

[0024] Optionally, the calculation is performed according to the waterway terrain change map to obtain the waterway change situation within each preset time, including:

[0025] Performing cross-section processing perpendicular to the channel direction on the channel topography change map to obtain a plurality of channel cross-section maps;

[0026] Calculate each channel profile to obtain the channel change area sorted by time;

[0027] All the channel change areas are stacked according to the corresponding time to obtain the channel change situation within each preset time.

[0028] Optionally, analyzing the ship navigation information to obtain abnormal ship information and issuing an early warning includes:

[0029] Acquire information of all ships that appeared at the abnormal change location at the abnormal change time according to the ship navigation information;

[0030] Analyze all ship information to obtain the ship type and sailing time of each ship;

[0031] The judgment is made based on the ship type and sailing time. If the ship type is a bulk carrier and the sailing time is greater than that of other similar ships, the ship is judged to be an abnormal ship and an early warning message is issued that the ship may damage the waterway.

[0032] The waterway change analysis and early warning system includes: a raw data acquisition module for acquiring raw underwater data of a preset area;

[0033] A timing data collection module is used to collect underwater terrain of a waterway in a preset area at preset intervals to obtain underwater terrain information of multiple waterways;

[0034] An image drawing module is used to draw a waterway topography change map based on the original underwater data and underwater topography information of multiple waterways;

[0035] A change calculation module, used to calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time;

[0036] The abnormal analysis module is used to analyze the changes in the waterway within each preset time and obtain the abnormal change position and abnormal change time;

[0037] A ship information acquisition module, used to acquire the ship navigation information of the abnormal change position and abnormal change time in a preset area;

[0038] The abnormal warning module is used to analyze the ship navigation information, obtain abnormal ship information, and issue a warning.

[0039] Optionally, the image drawing module includes:

[0040] A raw data processing unit, used for processing the raw underwater data to obtain raw terrain coordinates;

[0041] A historical data processing unit, used for processing underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates;

[0042] The map drawing unit is used to generate an original topographic map of the waterway according to the original topographic coordinates; and to superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

[0043] A computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the above method when executing the computer program.

[0044] A computer-readable storage medium stores a computer program, which implements the steps of the above method when executed by a processor.

[0045] In summary, the present invention has the following beneficial effects: the waterway is divided into several areas, and sampling and analysis are performed separately, which can effectively reduce the amount of data processing. The original underwater data can be the data closest to the time when the underwater topographic information of the waterway is collected, or it can be the underwater topographic information of the waterway collected initially. The waterway topographic map is drawn according to the original underwater data and the underwater topographic information of the waterway, and the waterway topographic change map can be obtained by processing multiple waterway topographic maps in chronological order. The change of the waterway at each preset time interval is calculated through the waterway topographic change map, and it is analyzed whether there is a sudden change. If there is a sudden change, it is judged that there is an anomaly, and the time period and position of the abnormal change are located. Then, the navigation information of ships passing through the corresponding position in the corresponding time period in the area can be queried, and combined with the ship navigation information for analysis. If an abnormal situation occurs in a ship at this position during this time period, an early warning is issued; if not, it is judged whether there is a new tributary scouring, whether the upstream sluice is opened, whether there is flood scouring, etc. in combination with weather information and hydrological information. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a schematic diagram of the process of the present invention;

[0047] Figure 2 It is a structural block diagram of the present invention when assembled;

[0048] Figure 3 1 is a diagram showing the internal structure of a computer device in an embodiment of the present invention. DETAILED DESCRIPTION

[0049] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Several embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0050] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0051] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical", "horizontal", "left", "right", "above", "below" and similar expressions are for illustrative purposes only, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0052] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0053] The present invention provides a waterway change analysis and early warning method, such as Figure 1 As shown, including:

[0054] Step 100, obtaining original underwater data of a preset area;

[0055] Step 200, collecting underwater terrain of a waterway in a preset area at preset intervals to obtain underwater terrain information of multiple waterways;

[0056] Step 300, drawing a channel topography change map based on the original underwater data and multiple channel underwater topography information;

[0057] Step 400, calculating according to the waterway terrain change map to obtain the waterway change situation within each preset time;

[0058] Step 500, analyzing the changes in the waterway within each preset time to obtain the abnormal change position and abnormal change time;

[0059] Step 600, obtaining the ship navigation information of the abnormal change position and abnormal change time in the preset area;

[0060] Step 700: Analyze the ship navigation information, obtain abnormal ship information, and issue an early warning.

[0061] In practical applications, the waterway is divided into several areas and sampling and analyzing them separately can effectively reduce the amount of data processing. The original underwater data can be the data closest to the time when the underwater topographic information of the waterway is collected, or it can be the underwater topographic information of the waterway collected initially. The waterway topographic map is drawn according to the original underwater data and the underwater topographic information of the waterway respectively, and the waterway topographic change map can be obtained by processing multiple waterway topographic maps in chronological order. The change of the waterway at each preset time interval is calculated through the waterway topographic change map, and it is analyzed whether there is a sudden change. If there is a sudden change, it is judged that there is an anomaly, and the time period and location of the abnormal change are located. Then, the navigation information of ships passing through the corresponding location in the corresponding time period in the area can be queried, and combined with the ship navigation information for analysis. If an abnormal situation occurs at this location during this time period, an early warning is issued; if not, it is judged whether there is a new tributary scouring, whether the upstream sluice is opened, whether there is flood scouring, etc. in combination with weather information and hydrological information. Among them, the preset time can be designed according to the actual situation. In this embodiment, 10 days is taken as an example; the preset area is set as one preset area for every kilometer along the waterway.

[0062] Furthermore, the drawing of a waterway topography change map based on the original underwater data and the underwater topography information of the multiple waterways includes:

[0063] Processing the original underwater data to obtain original terrain coordinates;

[0064] Perform data processing on underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates;

[0065] Generate an original topographic map of the waterway according to the original topographic coordinates; and superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

[0066] In practical applications, the original underwater data and underwater terrain information of multiple waterways are interpolated and gridded to obtain original terrain coordinates and multiple historical terrain coordinates, respectively; then, an original terrain map of the waterway is constructed with the original terrain coordinates, and a historical terrain map of the waterway is constructed with the historical terrain coordinates; and then, the multiple historical terrain maps of the waterway are sorted in time and superimposed on the original terrain map of the waterway, so that changes in the waterway terrain can be observed.

[0067] Optionally, generating an original topographic map of the waterway according to the original topographic coordinates; and superimposing and displaying a plurality of historical topographic maps of the waterway on the original topographic map of the waterway according to a plurality of historical topographic coordinates to obtain a waterway topographic change map includes:

[0068] Establish a three-dimensional reference coordinate system with the horizontal plane as the reference plane;

[0069] Importing the original terrain coordinates into a three-dimensional reference coordinate system to generate an original terrain map of the waterway;

[0070] Generate corresponding multiple waterway historical topographic maps with different color blocks according to multiple historical topographic coordinates;

[0071] The plurality of waterway historical topographic maps are sorted in time, and are stacked and displayed on the waterway original topographic map to obtain a waterway topographic change map.

[0072] In practical applications, the horizontal plane of the original underwater data is used as the reference plane to construct a three-dimensional base station coordinate system, and then the historical topographic map of the waterway is displayed in different color blocks and set to semi-transparent, so as to understand the changes in underwater topography in different time periods.

[0073] Furthermore, the calculation is performed according to the waterway terrain change map to obtain the waterway change situation within each preset time, including:

[0074] Performing cross-section processing perpendicular to the channel direction on the channel topography change map to obtain a plurality of channel cross-section maps;

[0075] Calculate each channel profile to obtain the channel change area sorted by time;

[0076] All the channel change areas are stacked according to the corresponding time to obtain the channel change situation within each preset time.

[0077] In practical applications, cross-section processing of the channel topography change map can more intuitively observe the changes of underwater topography at each location over time, and facilitate the calculation of the change amount of underwater topography over time.

[0078] Further, analyzing the ship navigation information, obtaining abnormal ship information, and issuing an early warning include:

[0079] Acquire information of all ships that appeared at the abnormal change location at the abnormal change time according to the ship navigation information;

[0080] Analyze all ship information to obtain the ship type and sailing time of each ship;

[0081] The judgment is made based on the ship type and sailing time. If the ship type is a bulk carrier and the sailing time is greater than that of other similar ships, the ship is judged to be an abnormal ship and an early warning message is issued that the ship may damage the waterway.

[0082] In practical applications, changes in underwater terrain may be due to natural factors, such as the incorporation of new tributaries, excessive water flow during flood season, and water release from upstream sluices; they may also be due to ship factors, such as ship sinking, bulk carriers dumping mud or sewage, etc. Therefore, an investigation is conducted on ships that appear at the abnormally changed location at the time of the abnormal change, and all ships are screened according to the average sailing time of each ship type. If a bulk carrier stays at the abnormally changed location for a long time, the ship can be judged as an abnormal ship, and an early warning is issued to the corresponding regulatory department to investigate and punish the abnormal ship.

[0083] like Figure 2 As shown, the present invention also provides a waterway change analysis and early warning system, comprising:

[0084] The raw data acquisition module 10 is used to obtain raw underwater data of a preset area;

[0085] The timing data collection module 20 is used to collect underwater terrain of the channel in the preset area at each preset time interval to obtain underwater terrain information of multiple channels;

[0086] An image drawing module 30 is used to draw a waterway topography change map based on the original underwater data and the underwater topography information of multiple waterways;

[0087] A change calculation module 40, used to calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time;

[0088] An abnormality analysis module 50 is used to analyze the changes in the waterway within each preset time to obtain the abnormal change position and abnormal change time;

[0089] The ship information acquisition module 60 is used to acquire the ship navigation information of the abnormal change position and abnormal change time in a preset area;

[0090] The abnormal warning module 70 is used to analyze the ship navigation information, obtain abnormal ship information, and issue a warning.

[0091] Furthermore, the image drawing module 30 includes:

[0092] A raw data processing unit, used for processing the raw underwater data to obtain raw terrain coordinates;

[0093] A historical data processing unit, used for processing underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates;

[0094] The map drawing unit is used to generate an original topographic map of the waterway according to the original topographic coordinates; and to superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

[0095] Furthermore, the map drawing unit includes:

[0096] A coordinate system establishing unit, used for establishing a three-dimensional reference coordinate system with a horizontal plane as a reference plane;

[0097] An original terrain generating unit, used for importing the original terrain coordinates into a three-dimensional reference coordinate system to generate an original terrain map of the waterway;

[0098] A historical terrain generating unit, used for generating corresponding multiple waterway historical terrain maps with different color blocks according to multiple historical terrain coordinates;

[0099] The stacking display unit is used to sort the plurality of the waterway historical topographic maps in time, and stack and display them in the waterway original topographic map to obtain a waterway topographic change map.

[0100] Furthermore, the change calculation module 40 includes:

[0101] A profile processing unit, used for performing profile processing on the channel topography change map perpendicular to the channel direction to obtain a plurality of channel profiles;

[0102] An area calculation unit is used to calculate each channel profile to obtain the channel change area sorted by time;

[0103] The stacking display unit is used to stack all the channel change areas according to the corresponding time to obtain the channel change situation within each preset time.

[0104] Furthermore, the abnormal warning module 70 includes:

[0105] An information acquisition unit, used for acquiring information of all ships that appeared at the abnormal change location at the abnormal change time according to the ship navigation information;

[0106] An information analysis unit is used to analyze all ship information to obtain the ship type and sailing time of each ship;

[0107] The abnormality judgment unit is used to make judgments based on the ship type and sailing time. If the ship type of the ship is a bulk carrier and the sailing time is greater than that of other similar ships, the ship is judged to be an abnormal ship and a warning message is issued that the ship may damage the waterway.

[0108] For the specific limitations of the waterway change analysis and early warning system, please refer to the limitations of the waterway change analysis and early warning method above, which will not be repeated here. Each module in the above-mentioned waterway change analysis and early warning system can be implemented in whole or in part through software, hardware and a combination thereof. The above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0109] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Figure 3 As shown. The computer device includes a processor, a memory, a network interface and a database connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. When the computer program is executed by the processor, the waterway change analysis and early warning method is implemented.

[0110] Those skilled in the art will understand that Figure 3 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0111] In one embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the following steps when executing the computer program: acquiring original underwater data of a preset area;

[0112] The underwater terrain of the waterway in the preset area is collected at preset intervals to obtain underwater terrain information of multiple waterways;

[0113] Draw a waterway topography change map based on original underwater data and underwater topography information of multiple waterways;

[0114] Calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time;

[0115] Analyze the changes in the waterway within each preset time to obtain the abnormal change location and abnormal change time;

[0116] Obtaining the navigation information of ships at the abnormal change location and abnormal change time in the preset area;

[0117] The ship navigation information is analyzed to obtain abnormal ship information and issue an early warning.

[0118] In one embodiment, drawing a waterway terrain change map based on the original underwater data and underwater terrain information of multiple waterways includes:

[0119] Processing the original underwater data to obtain original terrain coordinates;

[0120] Perform data processing on underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates;

[0121] Generate an original topographic map of the waterway according to the original topographic coordinates; and superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

[0122] In one embodiment, the processing of the original underwater data to obtain original terrain coordinates includes:

[0123] The original underwater data is interpolated and gridded to obtain original terrain coordinates.

[0124] In one embodiment, the generating of the original topographic map of the waterway according to the original topographic coordinates; and superimposing and displaying a plurality of historical topographic maps of the waterway on the original topographic map of the waterway according to a plurality of historical topographic coordinates to obtain a waterway topographic change map include:

[0125] Establish a three-dimensional reference coordinate system with the horizontal plane as the reference plane;

[0126] Importing the original terrain coordinates into a three-dimensional reference coordinate system to generate an original terrain map of the waterway;

[0127] Generate corresponding multiple waterway historical topographic maps with different color blocks according to multiple historical topographic coordinates;

[0128] The plurality of waterway historical topographic maps are sorted in time, and are stacked and displayed on the waterway original topographic map to obtain a waterway topographic change map.

[0129] In one embodiment, the calculation is performed according to the waterway terrain change map to obtain the waterway change situation within each preset time, including:

[0130] Performing cross-section processing perpendicular to the channel direction on the channel topography change map to obtain a plurality of channel cross-section maps;

[0131] Calculate each channel profile to obtain the channel change area sorted by time;

[0132] All the channel change areas are stacked according to the corresponding time to obtain the channel change situation within each preset time.

[0133] In one embodiment, analyzing the ship navigation information to obtain abnormal ship information and issuing an early warning includes:

[0134] Acquire information of all ships that appeared at the abnormal change location at the abnormal change time according to the ship navigation information;

[0135] Analyze all ship information to obtain the ship type and sailing time of each ship;

[0136] The judgment is made based on the ship type and sailing time. If the ship type is a bulk carrier and the sailing time is greater than that of other similar ships, the ship is judged to be an abnormal ship and an early warning message is issued that the ship may damage the waterway.

[0137] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0138] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0139] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A waterway change analysis and early warning method, characterized in that: include: Obtain original underwater data of the preset area; The underwater terrain of the waterway in the preset area is collected at preset intervals to obtain underwater terrain information of multiple waterways; Draw a waterway topography change map based on original underwater data and underwater topography information of multiple waterways; Calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time; Analyze the changes in the waterway within each preset time to obtain the abnormal change location and abnormal change time; Obtaining the navigation information of ships at the abnormal change location and abnormal change time in the preset area; Analyze the ship navigation information to obtain abnormal ship information and issue an early warning; The method of drawing a waterway topography change map based on the original underwater data and underwater topography information of multiple waterways includes: Processing the original underwater data to obtain original terrain coordinates; Perform data processing on underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates; Generate an original topographic map of the waterway according to the original topographic coordinates; overlay and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map; The processing of the original underwater data to obtain original terrain coordinates includes: Performing interpolation and gridding processing on the original underwater data to obtain original terrain coordinates; The generating of the original topographic map of the waterway according to the original topographic coordinates; and superimposing and displaying a plurality of historical topographic maps of the waterway on the original topographic map of the waterway according to a plurality of historical topographic coordinates to obtain a waterway topographic change map include: Establish a three-dimensional reference coordinate system with the horizontal plane as the reference plane; Importing the original terrain coordinates into a three-dimensional reference coordinate system to generate an original terrain map of the waterway; Generate corresponding multiple waterway historical topographic maps with different color blocks according to multiple historical topographic coordinates; The plurality of waterway historical topographic maps are sorted in time, and are stacked and displayed on the waterway original topographic map to obtain a waterway topographic change map.

2. The method according to claim 1, characterized in that The calculation is performed according to the waterway terrain change map to obtain the waterway change situation within each preset time, including: Performing cross-section processing perpendicular to the channel direction on the channel topography change map to obtain a plurality of channel cross-section maps; Calculate each channel profile to obtain the channel change area sorted by time; All the channel change areas are stacked according to the corresponding time to obtain the channel change situation within each preset time.

3. The method according to claim 2, characterized in that The analyzing the ship navigation information to obtain abnormal ship information and issuing an early warning includes: Acquire information of all ships that appeared at the abnormal change location at the abnormal change time according to the ship navigation information; Analyze all ship information to obtain the ship type and sailing time of each ship; The judgment is made based on the ship type and sailing time. If the ship type is a bulk carrier and the sailing time is greater than that of other similar ships, the ship is judged to be an abnormal ship and an early warning message is issued that the ship may damage the waterway.

4. Channel change analysis and early warning system, characterized by: include: A raw data acquisition module is used to obtain raw underwater data of a preset area; A timing data collection module is used to collect underwater terrain of a waterway in a preset area at preset intervals to obtain underwater terrain information of multiple waterways; An image drawing module is used to draw a waterway terrain change map based on original underwater data and multiple waterway underwater terrain information; including: performing data processing on the original underwater data to obtain original terrain coordinates; performing data processing on multiple waterway underwater terrain information to obtain multiple historical terrain coordinates; generating a waterway original terrain map according to the original terrain coordinates; and superimposing and displaying multiple waterway historical terrain maps on the waterway original terrain map according to the multiple historical terrain coordinates to obtain a waterway terrain change map; The method of generating an original topographic map of the waterway according to the original topographic coordinates; displaying a plurality of historical topographic maps of the waterway in an overlay manner in the original topographic map of the waterway according to a plurality of historical topographic coordinates to obtain a waterway topographic change map comprises: establishing a three-dimensional reference coordinate system with a horizontal plane as a reference plane; importing the original topographic coordinates into the three-dimensional reference coordinate system to generate an original topographic map of the waterway; generating a plurality of corresponding historical topographic maps of the waterway with different color blocks according to a plurality of historical topographic coordinates; sorting the plurality of historical topographic maps of the waterway according to time, and displaying them in an overlay manner in the original topographic map of the waterway to obtain a waterway topographic change map; A change calculation module, used to calculate according to the waterway terrain change map to obtain the waterway change situation within each preset time; The abnormal analysis module is used to analyze the changes in the waterway within each preset time and obtain the abnormal change position and abnormal change time; A ship information acquisition module, used to acquire the ship navigation information of the abnormal change position and abnormal change time in a preset area; An abnormal warning module is used to analyze the ship navigation information, obtain abnormal ship information, and issue a warning; The image drawing module comprises: A raw data processing unit, used for processing the raw underwater data to obtain raw terrain coordinates; A historical data processing unit, used for processing underwater terrain information of multiple waterways to obtain multiple historical terrain coordinates; The map drawing unit is used to generate an original topographic map of the waterway according to the original topographic coordinates; and to superimpose and display multiple historical topographic maps of the waterway on the original topographic map of the waterway according to multiple historical topographic coordinates to obtain a waterway topographic change map.

5. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 3 are implemented.

6. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 3 are implemented.

Images