Synthetic aperture sonar digital enabling task display and control method

Abstract

The invention relates to a synthetic aperture sonar digital enabling task display and control method, which comprises the following steps: S1, a task planning link: according to a probing task registration event element and a task environment element, forming task log information, starting a task navigation module, and according to a task area and equipment characteristics, drawing a routing route, transmitting the task log information to a target management module; and S2, a sonar detection link: a sound-sound sonar detection module updates an underwater scene detection picture in real time, generates detection scene information in real time and transmits the detection scene information to a task navigation module, and the task navigation module dynamically indicates an instantaneous course, an instantaneous speed and an instantaneous position of a ship according to the navigation information and a sea sweeping detection width. According to the invention, the task execution efficiency of the synthetic aperture sonar and the suspicious target identification quality can be significantly improved.

Description

Technical Field:

[0001] The present invention belongs to the technical field of synthetic aperture sonar information processing, and particularly relates to a method for displaying and controlling synthetic aperture sonar digital empowerment tasks. Background Art:

[0002] Towed synthetic aperture sonar can be used to detect underwater topography and the imaging ability of small targets at a long distance, and is widely used in various marine environment detection and underwater target search industries. The synthetic aperture sonar task management display software covers aspects such as water area task planning, detection work, task review, playback data analysis, and target result data construction. At present, from a technical perspective, the following drawbacks exist:

[0003] First, the functions of task planning, navigation control, detection screen, and result management in the sonar task management display software are disjointed, and the functions are single, which easily causes spatial disconnection in the operation process of each link, resulting in low execution efficiency of the sea sweeping operation;

[0004] Second, the synthetic aperture sonar task management display software lacks the digital management empowerment function for targets. Basically, it is mainly designed independently for single tasks and single devices, lacking the digital empowerment of integrating target data results of devices. Summary of the Invention:

[0005] The technical problem to be solved by the present invention is to provide a method for displaying and controlling synthetic aperture sonar digital empowerment tasks. This method runs task planning navigation, sonar detection operation, and target management database building function software through one-stop data sharing, generates text styles of task logs and target information in real time, binds the enlarged target map data and target information text and then performs real-time sorting, maps the suspicious target identity information on the virtual electronic chart screen, queries the digital target database according to numerical conditions, selects strategies such as target location, target category, and target scale to roughly screen and display the identity information of similar targets across platforms in space and time history, uses numerical feature matching to finely filter false targets, and performs one-key quick entry of important targets into the digital target database, significantly improving the execution efficiency of synthetic aperture sonar tasks and the recognition quality of suspicious targets.

[0006] The technical solution of the present invention is to provide a method for displaying and controlling synthetic aperture sonar digital empowerment tasks, including the following steps:

[0007] S1. Task planning link: According to the event elements and task environment elements registered for the exploration task, form task log information (in CSV format), start the task navigation module, draw a routing route according to the task area and device characteristics, and transmit the task log information to the target management module;

[0008] S2, Sonar Detection Phase: After the sonar detection module is started, it is displayed on Display Screen 1, and the task navigation module is displayed on Display Screen 2 after being automatically started along with the sonar detection module; in the working state, the sonar detection module updates the underwater scene detection screen in real time, generates detection scene information in real time and transmits it to the task navigation module. The task navigation module dynamically indicates the instantaneous heading, instantaneous speed, and instantaneous position of the vessel according to the navigation information and the sea-sweeping detection width, and at the same time maps and displays the scene data and target information onto the routing track layer according to the position correspondence;

[0009] S3, Target Warehousing Phase: In the working state, the sonar detection module transmits the target enlarged image (PNG format) and target information label (CSV format) of the alarm target in the underwater scene detection screen to the target management module; the target management display area on Display Screen 2 sorts the targets according to the time sequence number, and the target management buffer area on Display Screen 2 sorts the target enlarged images according to the most recent operation, adjusts the contrast, brightness, sharpness, and saturation of the important features of the target, synchronizes the target information label and the task log information to form target identity information, and manually confirms the entry of the target information into the local target database;

[0010] S4, Target Management Phase: The target management module runs in the background after being automatically started along with the task navigation module. The target management module defaults to loading the local target database, queries and filters through the target database query interface, and outputs the target identity information of the selected targets in the target database to the task navigation module; the task navigation module reads the target identity information and maps different symbols to be displayed in the task navigation electronic chart, selects the numerical feature matching strategy, clears the mapping symbols that do not meet the requirements, and calibrates the target identity information after fusion.

[0011] Preferably, in S1, the event elements include at least two of time, location, equipment type, and equipment model; the task environment elements include at least two of sea depth, surge, tidal direction, and flow direction.

[0012] Preferably, in S2, the detection scene information includes scene data, sea-sweeping detection width, navigation information, and target position.

[0013] Preferably, in S2, after the sonar detection module is started, it occupies the main interface of Display Screen 1, and the task navigation module occupies the main interface of Display Screen 2 after being automatically started along with the sonar detection module.

[0014] Preferably, in S3, the target management module runs in the background after being automatically started along with the task navigation module, and occupies Display Screen 1 and Display Screen 2 in a reduced display manner in the foreground.

[0015] Preferably, in S3, the target management display area on Display Screen 1 sorts the targets according to the confidence level. The sorted targets on Display Screen 1 include target number, distance, position, type, and scale; the sorted targets on Display Screen 2 include target confidence level, distance, position, type, and scale.

[0016] Preferably, in S4, target screening is performed according to task information, device type, target location, target type, and target scale related conditions.

[0017] Furthermore, in S4, the task navigation module reads the task information, device type, target type, target scale, and target location in the target identity information, and maps symbols of different colors, different types, and different sizes to be displayed on the task navigation electronic chart. A numerical feature matching strategy including target location priority, target scale priority, target centroid structure priority, target information entropy priority, and target shadow aspect ratio priority is selected to clear the mapping symbols of non-conforming items, and the target identity information is calibrated after fusion.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] First, the task operation efficiency is high: The local one-stop nested operation task navigation, sonar detection, and target management function modules are adopted, and the combined linkage of all links is executed using a communication fusion design, reducing the space delay of the information interface and shortening the operation time between different links. A common picture format and a common text style are selected to assist in target information management, improving the execution efficiency of the entire process task.

[0020] Second, the visual effect of target features is good: By adjusting the contrast of important features in the target enlarged view, a more intuitive visual effect of the target important features is obtained.

[0021] Third, the target identity information is accurate: The target identity information of different devices or under different times and spaces is comprehensively mapped and displayed in the virtual picture of the electronic chart. By selecting priority fusion strategies such as target location, target centroid structure, target scale, and target information entropy, the target data of non-conforming items can be quickly and intuitively separated, and more accurate target identity information can be obtained. Description of the Drawings:

[0022] Figure 1 It is a schematic diagram of the synthetic aperture sonar task management display area of the present invention.

[0023] Figure 2 It is the synthetic aperture sonar task management display area of the present invention.

[0024] Figure 3 It is a schematic diagram of the internal interface of the synthetic aperture sonar task management function module of the present invention.

[0025] Figure 4 It is a schematic diagram of the synchronization of the target enlarged view and the target information label of the present invention.

[0026] Figure 5 It is a target management link diagram of the present invention.

[0027] Figure 6 This is the diagram of the target recognition phase of the present invention. Specific implementation method:

[0028] The following further describes the present invention in conjunction with the accompanying drawings for the specific implementation method:

[0029] As Figure 1 shown, a method for displaying and controlling a synthetic aperture sonar digital enabling task, referring to Figure 1 shown, includes: designing two display interfaces for the main and auxiliary, running task navigation, sonar detection, and target management function modules, covering the entire process operations of seabed sweeping route planning, sonar detection work, target data warehousing, and information fusion extraction. The specific steps are as follows.

[0030] S1, Task planning phase: According to the event elements and task environment elements registered for the exploration task, form task log information (in CSV format), start the task navigation module, draw a routing route based on the task area and equipment characteristics, and transmit the task log information to the target management module;

[0031] S2, Sonar detection phase: After the sonar detection module is started, it occupies the main part of the display screen 1, and the task navigation module occupies the main part of the display screen 2 after starting with the sonar detection module; in the working state, the sonar detection module updates the underwater scene detection picture in real time, generates detection scene information in real time and transmits it to the task navigation module, and the task navigation module dynamically indicates the instantaneous heading, instantaneous speed, and instantaneous position of the ship according to the navigation information and the seabed sweeping detection width, and at the same time maps and displays the scene data and target information to the routing track layer according to the position correspondence;

[0032] S3, Target warehousing phase: In the working state, the sonar detection module transmits the target enlarged picture (in PNG format) and target information label (in CSV format) of the alarm target in the underwater scene detection picture to the target management module; the target management display area on the display screen 2 sorts the targets according to the chronological number, and the target management buffer area on the display screen 2 sorts the target enlarged pictures according to the most recent operation, adjusts the contrast, brightness, sharpness, and saturation of the important features of the target, synchronizes the target information label and the task log information to form target identity information, and manually confirms the input of the target information into the local target database;

[0033] S4, Target management phase: The target management module runs in the background after starting with the task navigation module. The target management module defaults to loading the local target database, queries and filters through the target database query interface, and outputs the target identity information of the selected target in the target database to the task navigation module; the task navigation module reads the target identity information and maps different symbols to display in the task navigation electronic chart, selects a numerical feature matching strategy, clears the mapping symbols that do not meet the requirements, and calibrates the target identity information after fusion.

[0034] Among them, the task navigation module is started, and the exploration task event elements and environmental elements are input into the task navigation display area to form task log information in CSV format, and the sonar detection planning route is drawn and saved. The event elements include time, location, equipment type, equipment model, etc.; the task environment elements include sea depth, surge, tidal direction, flow direction, etc.

[0035] Start the sonar detection module. Refer to Figure 2 As shown, in the working state, the sonar detection module updates the underwater scene detection picture in real time, generates detection scene information in real time and transmits it to the task navigation module, including scene data, sea-sweeping detection width, navigation information, target position, etc. The task navigation module dynamically indicates the instantaneous heading, instantaneous speed, and instantaneous position of the ship according to the navigation information and the sea-sweeping detection width, and at the same time maps and displays the scene data and target information onto the routing track layer according to the position correspondence.

[0036] Refer to Figure 3 , the target management module starts to run in the background with the task navigation module, and occupies the display screen 1 and display screen 2 in a minimized display mode in the foreground. In the working state, the sonar detection module transmits the target enlarged view and target information label of the alarm target in the underwater scene detection picture to the target management module. The target management module sorts the targets according to the confidence level or chronological number, and displays the target number, distance, position, type, scale, etc.; the target management buffer sorts the target enlarged views according to the most recent operation, and adjusts the contrast, brightness, sharpness, and saturation of the important features of the target. Refer to Figure 4 As shown, the target enlarged view is designed as an independent display window. The length / width / height / slant range / depth, etc. can be measured in the target enlarged view. Synchronize the target information label and task log information to form target identity information, and manually confirm the target information and enter it into the local target database.

[0037] In the target management process, refer to Figure 5 As shown, the target management module defaults to loading the digital target database. Through the target database query interface, it filters according to conditions such as task information, equipment type, target position, target type, target scale, etc., and outputs the selected target identity information in the target database to the task navigation (electronic chart) module after rough screening according to the conditions.

[0038] Refer to Figure 6 As shown, the task navigation module reads the historical identity information of the same type of targets under different devices or time and space, and maps and displays them in the task navigation electronic chart with different colors, different types, and different sizes of symbols. Select numerical feature matching strategies such as target position priority, target scale priority, target centroid structure priority, target information entropy priority, target shadow aspect ratio priority, etc., and clear the mapping symbols that do not meet the requirements.

[0039] Moreover, by comparing relevant information such as the spatio-temporal contrast, geographical distribution, image scale, and feature patterns between the suspicious target and the data sample set, introducing the comparison with the information of other exploration systems, important information such as the target attribute, target scale, and target location is determined, the target identity information is calibrated, and the target information determination is completed.

[0040] It can be seen that the present invention has the following beneficial effects:

[0041] First, the task operation efficiency is high: By adopting local one-stop nested operation task navigation, sonar detection, and target management function modules, using the communication and fusion design to execute the combined linkage of all links, reducing the space delay of the information interface, shortening the operation time between different links, and selecting the general picture format and general text style to assist in target information management, the task execution efficiency of the whole process is improved.

[0042] Second, the visual effect of target features is good: By adjusting the contrast of important features in the enlarged view of the target, a more intuitive visual effect of the important features of the target is obtained.

[0043] Third, the target identity information is accurate: By comprehensively mapping the important information in the digital target database with the virtual picture of the electronic chart, and selecting fusion strategies such as target location, target structure, and target scale, the target data that does not meet the requirements can be quickly and intuitively separated, accurate target feature comparison information can be obtained, the target identity determination can be completed, and the quality of suspicious target recognition can be improved.

[0044] The above only illustrates the preferred embodiments of the present invention, but it should not be construed as a limitation to the claims. All equivalent process transformations made using the specification of the present invention are included in the patent protection scope of the present invention.

Claims

1. A method for displaying and controlling a synthetic aperture sonar digital empowerment task, characterized in that: It includes the following steps: S1. Task planning phase: According to the event elements and task environment elements registered for the exploration task, form task log information, start the task navigation module, draw a routing route based on the task area and equipment characteristics, and transmit the task log information to the target management module; S2. Sonar detection phase: After the sonar detection module is started, it is displayed on display screen 1, and after the task navigation module is started, it is displayed on display screen 2; The sonar detection module updates the underwater scene detection screen in real time, generates detection scene information in real time and transmits it to the task navigation module. The task navigation module dynamically indicates the instantaneous heading, instantaneous speed, and instantaneous position of the vessel according to the navigation information and the sea-sweeping detection width. At the same time, the scene data and target information are mapped and displayed on the routing track layer according to the position correspondence; S3. Target warehousing phase: The sonar detection module transmits the target magnified image and target information label of the alarm target in the underwater scene detection screen to the target management module; The target management display area on display screen 2 sorts the targets according to the chronological number, and the target management buffer area on display screen 2 sorts the target magnified images according to the most recent operation, adjusts the contrast, brightness, sharpness, and saturation of the important features of the target, synchronizes the target information label and task log information to form target identity information, and manually confirms the entry of the target information into the local target database; S4. Target management phase: The target management module starts running in the background along with the task navigation module. The target management module defaults to loading the local target database, queries and filters through the target database query interface, and outputs the target identity information of the selected target in the target database to the task navigation module; The task navigation module reads the target identity information and maps different symbols to be displayed in the task navigation electronic chart, selects a numerical feature matching strategy, clears the mapping symbols of non-conforming items, and calibrates the target identity information after fusion.

2. The synthetic aperture sonar digital enabling task display and control method according to claim 1, wherein: In S1, the event elements include at least two of time, location, equipment type, and equipment model; the task environment elements include at least two of sea depth, surge, tidal direction, and flow direction.

3. The synthetic aperture sonar digital empowerment task display and control method according to claim 1, characterized in that: In S2, the detection scene information includes scene data, sea-sweeping detection width, navigation information, and target position.

4. The synthetic aperture sonar digital enabling task display and control method according to claim 1, wherein: In S2, after the sonar detection module is started, it occupies the main interface of display screen 1, and after the task navigation module is started along with the sonar detection module, it occupies the main interface of display screen 2.

5. The synthetic aperture sonar digital enabling task display and control method according to claim 1, characterized in that: In S3, the target management module starts running in the background along with the task navigation module and occupies display screens 1 and 2 in a reduced display manner in the foreground.

6. The synthetic aperture sonar digital empowerment task display and control method according to claim 1, wherein: In S3, the target management display area on display screen 1 sorts the targets according to confidence level. The sorted targets on display screen 1 include target number, distance, position, type, and scale; The sorted targets on display screen 2 include target confidence level, distance, position, type, and scale.

7. The synthetic aperture sonar digital enabling task display and control method according to claim 1, characterized in that: In S4, target screening is performed according to relevant conditions such as task information, equipment type, target position, target type, and target scale.

8. The synthetic aperture sonar digital enabling task display and control method according to claim 1, wherein: In S4, the task navigation module reads the task information, device type, target type, target scale, and target location in the target identity information, and maps and displays them as symbols of different colors, different types, and different sizes on the task navigation electronic chart. It selects a numerical feature matching strategy including target location priority, target scale priority, target centroid structure priority, target information entropy priority, and target shadow aspect ratio priority, clears the mapping symbols of non-conforming items, and calibrates the target identity information after fusion.

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