CN109886431B - Automatic inspection system for airport navigation display terminal - Google Patents
Automatic inspection system for airport navigation display terminal Download PDFInfo
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Abstract
The invention discloses an automatic inspection system for an airport navigation display terminal. The method comprises the following steps: the information acquisition module is used for capturing the screen of each navigation display terminal and generating a screen capture picture; the state analysis module is used for extracting picture information of the screenshot picture of each aerial display terminal, comparing and analyzing the picture information with standard information which is stored in a database in advance and corresponds to each aerial display terminal, and judging whether the display state of each aerial display terminal is normal and whether the display information is accurate; the monitoring module is used for monitoring the comparative analysis result of the state analysis module. According to the invention, the screen capture of the navigation display terminal is automatically acquired at regular intervals, the information in the screen capture is intelligently extracted and compared with the standard information, whether the display state of the navigation display terminal is displayed normally or not and whether the flight information is displayed accurately or not are automatically judged, the automation, the intellectualization and the real-time of routing inspection are realized, and the integrity and the accuracy of the information displayed by the navigation display terminal are improved.
Description
Technical Field
The invention relates to the field of information technology application, in particular to an automatic inspection system for an airport navigation display terminal.
Background
At present, airports in China are equipped with an air display system which is used for providing flight information, notice information, service information and the like for passengers. The failure of the terminal of the aerial display system directly affects the timeliness and accuracy of information provided by the aerial display system, and how to find the failure of the terminal of the aerial display in time becomes a problem which is very important for an airport manager.
There are two kinds of frequent faults of airport aerial display system terminals: and popping various prompt boxes to shield the fault of information display and the fault of inaccurate flight information display. At present, domestic airports are mostly patrolled on site in a manual mode, namely, all navigation display terminals distributed in the terminal buildings are patrolled by fixed personnel at fixed time every day.
The manual on-site inspection has the following problems:
1. the polling frequency is low: the manual inspection mode is limited to the problems of large area of the terminal building and large number of terminals, and frequent inspection cannot be performed, so that faults cannot be found in time;
2. poor inspection effect: the manual inspection is limited to uneven levels of maintenance personnel and irregular personnel states, so that some terminal problems cannot be found;
3. the maintenance cost is high: the manual inspection needs to regularly arrange maintenance personnel to inspect all the navigation display terminals distributed in the terminal buildings, and a large amount of labor cost is consumed.
Disclosure of Invention
The invention aims to provide an automatic inspection system for an airport aviation display terminal, which can be used for automatically inspecting the airport aviation display terminal, improving the inspection effect, reducing the maintenance labor cost and shortening the mean time of no fault of the airport aviation display system.
In order to achieve the purpose, the invention provides an automatic inspection system for an airport navigation display terminal, which comprises: the system comprises an information acquisition module, a state analysis module and a monitoring module;
the information acquisition module is used for capturing the screen of each navigation display terminal and generating a screen capture picture;
the state analysis module is used for extracting picture information of the screen shot picture of each aerial display terminal, comparing and analyzing the picture information with standard information which is stored in a database in advance and corresponds to each aerial display terminal, and judging whether the display state of each aerial display terminal is normal and whether the display information is accurate;
the monitoring module is used for monitoring the comparative analysis result of the state analysis module.
Preferably, the standard information includes an initial template table and a standard flight information table, and the picture information includes a terminal display presence table and a terminal flight presence table.
Preferably, the initial template table records an initial template of the display state of each navigation display terminal, the initial template includes color characteristic values of a plurality of characteristic pixel points at different positions in a normal display interface of each navigation display terminal, the characteristic pixel points are fixed color pixel points in a non-text display area of a flight information bar in the normal display interface, and positions of part of the plurality of characteristic pixel points coincide with a display area of an error-reporting popup window.
Preferably, the terminal display current situation table records color characteristic values extracted by the state analysis module for the plurality of characteristic pixel points in the screen capture picture of each navigation display terminal;
the terminal flight status table records flight information extracted by the status analysis module for a designated area in the screenshot picture of each navigation display terminal, wherein the designated area is an area for displaying flight text information in a flight information column in the screenshot picture.
Preferably, the state analysis module compares the color characteristic value recorded in the current display status table of the terminal with the color characteristic value recorded in the initial template corresponding to the initial template table, determines whether the corresponding display terminal has a fault that the error-reporting popup window blocks the display area, and stores the comparison result in the terminal state analysis table.
Preferably, the status analysis module compares the flight information recorded in the terminal flight status table with the standard flight information corresponding to the standard flight information table, determines whether the flight information displayed by the corresponding display terminal is accurate, and stores the comparison result in the terminal status analysis table.
Preferably, the monitoring system further comprises an inspection state display module, wherein the monitoring module accesses the terminal state analysis table according to set frequency, and sends analysis result data in the state analysis table to the inspection state display module for display and simultaneously carries out alarm prompt on a fault terminal and a fault type.
Preferably, the information acquisition module performs screen capture on each navigation display terminal according to a set frequency.
Preferably, the name information of the screenshot includes an IP address and a screenshot time of the navigation display terminal corresponding to the screenshot.
Preferably, the flight information includes flight number, destination, share number, schedule time, estimated time, gate.
The invention has the beneficial effects that: according to the invention, by extracting the picture information in the screenshot picture of the aviation display terminal and comparing the picture information with the standard information, whether the display state of the aviation display terminal is normal or not and whether the displayed flight is accurate or not can be detected, so that the automatic inspection of the airport aviation display terminal is realized; the patrol frequency is increased by setting the patrol frequency, the faults of the avionic display terminal are timely found, the problems of low manual patrol frequency, poor effect and high cost are solved, the integrity and the accuracy of information display of the avionic display system terminal are improved, and the avionic display system is beneficial to providing more timely and accurate flight information display service for travel of passengers.
The apparatus of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
Fig. 1 shows a schematic diagram of an airport avionics automatic inspection system according to one embodiment of the present invention.
Fig. 2 is a schematic diagram showing characteristic pixel points of an automatic inspection system of an airport aviation display terminal according to the invention.
Fig. 3 is a schematic diagram showing the designated identification area of the automatic inspection system of the airport aviation display terminal according to the invention.
Description of reference numerals:
1. an information acquisition module; 2. a state analysis module; 3. a monitoring module; 4. a patrol state display module; 5. and 4, displaying the terminal by the navigation.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention relates to an automatic inspection system for an airport aeronautical display terminal, which comprises: the system comprises an information acquisition module, a state analysis module and a monitoring module;
the information acquisition module is used for capturing the screen of each navigation display terminal and generating a screen capture picture;
the state analysis module is used for extracting picture information of the screenshot picture of each aerial display terminal, comparing and analyzing the picture information with standard information which is stored in a database in advance and corresponds to each aerial display terminal, and judging whether the display state of each aerial display terminal is normal and whether the display information is accurate;
the monitoring module is used for monitoring the comparative analysis result of the state analysis module.
Specifically, through collecting the screen capture of each navigation display terminal, the system extracts the information in the screen capture and the standard information which should be displayed for contrastive analysis, so that whether the display state of each navigation display terminal is displayed normally or not and whether the displayed flight information is displayed accurately or not can be automatically judged, artificial intelligent routing inspection is replaced, and the system is beneficial to timely finding the display problem of the navigation display terminal.
In one example, the standard information includes an initial template table and a standard flight information table, and the picture information includes a terminal display presence table and a terminal flight presence table.
In one example, the initial template table records an initial template of a display state of each navigation display terminal, the initial template includes color characteristic values of a plurality of characteristic pixel points at different positions in a normal display interface of each navigation display terminal, the characteristic pixel points are fixed color pixel points in a non-text display area of a flight information bar in the normal display interface, and positions of part of the pixel points in the plurality of characteristic pixel points coincide with a display area of an error report popup window.
Specifically, according to different situations of information displayed by each terminal, a plurality of fixed color pixel points in a non-character display area are selected in advance in a displayed flight information bar as comparison reference points, since the color feature values of the preset pixel points in the normal display state are fixed, the color feature values of the pixel points are extracted as the initial template of the comparison reference, for example, as shown in fig. 2, 10-30 (adjustable according to actual test conditions) array-type characteristic pixel points are selected on a normal display interface through the existing mature related image recognition technology, and recording color characteristic values (RGB values) of pixel points, establishing an initial template for each terminal, storing the initial template into a terminal display template table, and using the initial template as a standard comparison template for the faults of the pop-up prompt frame.
In one example, the terminal display current situation table records color characteristic values extracted by a state analysis module for a plurality of characteristic pixel points in a screen capture picture of each navigation display terminal; the positions of characteristic pixel points in the screenshot picture are the same as the positions of the characteristic pixel points of the initial template, and RGB values of the pixel points are extracted through an image recognition technology and then stored in a terminal display current state table.
The terminal flight status table records flight information extracted by the status analysis module for a designated area in the screen capture picture of each navigation display terminal, and the designated area is an area for displaying flight text information in a flight information column in the screen capture picture.
Specifically, the text extraction is performed on the area displaying the flight information in the screenshot picture through the existing mature image identification related technology, the flight information such as the flight number, the destination, the share number, the planning time, the estimated time, the gate and the like is extracted and then stored in the terminal flight status table, as shown in fig. 3, the text area of the displayed flight information is selected as the designated identification area, the flight information displayed in real time is extracted through the related image identification technology and stored in the terminal flight status table.
In one example, the state analysis module compares the color characteristic value recorded in the terminal display status table with the color characteristic value recorded in the corresponding initial template in the initial template table, determines whether the corresponding display terminal has a fault that the error popup window blocks the display area, and stores the comparison result in the terminal state analysis table.
Specifically, characteristic pixel points in a terminal real-time screenshot picture collected in an information acquisition program are analyzed, extracted characteristic values (RGB values) are stored in a terminal display current situation table and are compared with characteristic values recorded by a corresponding initial template in a terminal display template table, and a comparison result is recorded in a terminal state analysis table and is used for analyzing whether the terminal has an elastic prompt frame fault or not.
In one example, the status analysis module compares the flight information recorded in the terminal flight status table with the corresponding standard flight information in the standard flight information table, determines whether the flight information displayed by the corresponding display terminal is accurate, and stores the comparison result in the terminal status analysis table.
Specifically, a designated identification area in a terminal real-time screenshot picture collected by an information acquisition program of the navigation display terminal is extracted and analyzed through a related image identification technology, the identified flight number, planning time, estimated time, a gate and other information are recorded in a terminal flight status table and are compared with accurate flight information in a standard flight information table in a database, and a comparison result is recorded in a terminal status analysis table and is used for analyzing whether the flight information displayed by the navigation display terminal is accurate or not.
In one example, the monitoring system further comprises an inspection state display module, the monitoring module accesses the terminal state analysis table according to the set frequency, and sends analysis result data in the state analysis table to the inspection state display module for display and simultaneously carries out alarm prompt on a fault terminal and a fault type.
Specifically, the frequency of the monitoring module accessing the terminal state analysis table can be set according to actual conditions, the terminal state analysis table can be accessed immediately after the terminal state analysis table is updated, the terminal state analysis table can also be accessed within a period of time after the terminal state analysis table is updated, the inspection state display module can simultaneously give an alarm to a fault terminal and a fault type through displaying an analysis result in the state analysis table, and a worker can conveniently and timely process the navigation display terminal sending the fault.
In one example, the information acquisition module performs screen capture on each navigation display terminal according to a set frequency.
In one example, the name information of the screenshot includes an IP address of the navigation display terminal corresponding to the screenshot and a screenshot time.
Specifically, the frequency of screen capture picture acquisition is set according to actual requirements, for example, the screen capture operation is performed on all navigation display terminals at regular time through a network, the images are stored, and the names are named according to the terminal IP address and the time.
More specifically, the automatic inspection system of the invention can be added with a Windows platform server on the basis of the existing flight information display system, which is used for deploying the service program of the automatic inspection system and storing the state picture of the navigation display terminal, and additionally needs to be added with a terminal as an inspection state display terminal for monitoring the state of the navigation display terminal, wherein the database can be shared with the existing flight information display system, and the initial template table, the standard flight information table, the terminal display current state table, the terminal flight current state table and the terminal state analysis table are all stored in the database; the aviation display terminal monitoring service is realized by developing a monitoring program, a monitoring page is developed, the automatic inspection frequency is set according to the actual situation, a terminal state analysis table is accessed, the analysis result in the state analysis program can be displayed, and the alarm prompt is carried out on the fault equipment and the fault type.
In the invention, an intelligent image recognition technology needs to be combined, for example, opencv development related programs can be adopted to extract coordinate values and RGB values of pixels of a color image, opencv is adopted to define a text region in an image and to extract text in a designated region through an OCR image-text recognition technology, and the application of the intelligent image recognition technology is mature at present and can be easily realized by people in the field, so that details are not repeated.
Example (b):
fig. 1 shows a schematic diagram of an airport avionics automatic inspection system according to one embodiment of the present invention.
As shown in fig. 1, an automatic inspection system for airport aeronautical display terminals comprises: the system comprises an information acquisition module 1, a state analysis module 2 and a monitoring module 3; the information acquisition module 1 is used for capturing a screen of each navigation display terminal 5 and generating a screen capture picture; the state analysis module 2 is used for extracting picture information of the screenshot picture of each navigation display terminal 5, comparing and analyzing the picture information with standard information which is stored in a database in advance and corresponds to each navigation display terminal 5, and judging whether the display state of each navigation display terminal 5 is normal and whether the display information is accurate; the monitoring module 3 is used for monitoring the comparative analysis result of the state analysis module 2. The standard information comprises an initial template table and a standard flight information table, and the picture information comprises a terminal display current table and a terminal flight current table. The initial template table records an initial template of the display state of each flight display terminal 5, the initial template comprises color characteristic values of a plurality of characteristic pixel points at different positions in a normal display interface of each flight display terminal 5, the characteristic pixel points are fixed color pixel points of a non-character display area of a flight information bar in the normal display interface, and the positions of part of the pixel points in the plurality of characteristic pixel points are overlapped with the display area of an error report popup window. The terminal display current situation table records color characteristic values extracted by the state analysis module 2 for a plurality of characteristic pixel points in the screen capture picture of each navigation display terminal 5; the terminal flight status table records flight information extracted by the status analysis module 2 for a designated area in the screenshot picture of each navigation display terminal 5, wherein the designated area is an area for displaying flight text information in a flight information column in the screenshot picture. The state analysis module 2 compares the color characteristic value recorded in the terminal display current status table with the color characteristic value recorded in the corresponding initial template in the initial template table, judges whether the corresponding display terminal has a fault that the error-reporting popup window shields the display area, and stores the comparison result in the terminal state analysis table. The state analysis module 2 compares the flight information recorded in the terminal flight status table with the corresponding standard flight information in the standard flight information table, judges whether the flight information displayed by the corresponding display terminal is accurate or not, and stores the comparison result in the terminal state analysis table. The monitoring system further comprises an inspection state display module 4, the monitoring module 3 accesses the terminal state analysis table according to the set frequency, and sends analysis result data in the state analysis table to the inspection state display module 4 for display and meanwhile carries out alarm prompt on a fault terminal and a fault type. The information acquisition module 1 performs screen capture on each navigation display terminal 5 according to a set frequency. The name information of the screen shot picture comprises the IP address and the screen shot time of the navigation display terminal 5 corresponding to the screen shot picture. Flight information includes flight number, destination, share number, schedule time, estimated time, gate.
The embodiment can realize automatic inspection of the terminal state of the airport flight display system, and can improve inspection frequency and effect from the aspect of maintenance quality; from the aspect of maintenance cost, the labor intensity of terminal maintenance personnel can be greatly reduced, and the labor cost is saved; from the viewpoint of system stability, faults can be found in time, the fault recovery time is reduced, and the mean time of no fault of the system is prolonged; from the perspective of passenger service, the integrity and the accuracy of information displayed by the navigation display system terminal can be improved through the automation, the intellectualization and the real-time of routing inspection by the navigation display terminal, and more timely and accurate flight information display service is provided for passenger travel.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (6)
1. The utility model provides an automatic system of patrolling and examining of airport aviation display terminal which characterized in that includes: the system comprises an information acquisition module, a state analysis module and a monitoring module;
the information acquisition module is used for capturing the screen of each navigation display terminal and generating a screen capture picture;
the state analysis module is used for extracting picture information of the screen shot picture of each aerial display terminal, comparing and analyzing the picture information with standard information which is stored in a database in advance and corresponds to each aerial display terminal, and judging whether the display state of each aerial display terminal is normal and whether the display information is accurate;
the monitoring module is used for monitoring the comparative analysis result of the state analysis module;
the standard information comprises an initial template table and a standard flight information table, and the picture information comprises a terminal display current table and a terminal flight current table;
the initial template table records an initial template of the display state of each aerial display terminal, the initial template comprises color characteristic values of a plurality of characteristic pixel points at different positions in a normal display interface of each aerial display terminal, the characteristic pixel points are fixed color pixel points of a non-character display area of a flight information bar in the normal display interface, and the positions of part of the pixel points in the plurality of characteristic pixel points are overlapped with a display area of an error report popup window;
the terminal display current situation table records color characteristic values extracted by the state analysis module for the characteristic pixel points in the screen capture picture of each navigation display terminal;
the terminal flight status table records flight information extracted by the status analysis module for a designated area in the screenshot picture of each navigation display terminal, wherein the designated area is an area for displaying flight text information in a flight information column in the screenshot picture;
and the state analysis module compares the color characteristic value recorded in the current display state table of the terminal with the color characteristic value recorded in the initial template corresponding to the initial template table, judges whether the corresponding display terminal has a fault that a popup window shields a display area, and stores the comparison result in the state analysis table of the terminal.
2. The automatic inspection system of the airport flight display terminal of claim 1, wherein the status analysis module compares the flight information recorded in the terminal flight status table with the corresponding standard flight information in the standard flight information table, determines whether the flight information displayed by the corresponding display terminal is accurate, and stores the comparison result in the terminal status analysis table.
3. The automatic inspection system according to claim 2, further comprising an inspection state display module, wherein the monitoring module accesses the terminal state analysis table according to a set frequency, and sends analysis result data in the state analysis table to the inspection state display module for display and simultaneously gives an alarm for a fault terminal and a fault type.
4. The automatic inspection system according to claim 1, wherein the information acquisition module performs screen capture on each avionic display terminal according to a set frequency.
5. The automatic inspection system according to claim 1, wherein the naming information of the screenshot includes an IP address and a screenshot time of the navigation display terminal corresponding to the screenshot.
6. The airport avionics inspection system of claim 1, wherein the flight information includes flight number, destination, share number, schedule time, estimated time, gate.
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| CN112232339B (en) * | 2020-10-15 | 2023-04-07 | 中国民航大学 | Aviation display equipment fault detection method and monitoring device based on convolutional neural network |
| CN112822486B (en) * | 2020-12-28 | 2023-09-19 | Tcl王牌电器(惠州)有限公司 | Aging test method, monitoring device and readable storage medium |
| CN112651367A (en) * | 2020-12-30 | 2021-04-13 | 深圳市计通智能技术有限公司 | Method for intelligently monitoring multi-dimensional aviation display screen |
| CN113347413A (en) * | 2021-06-25 | 2021-09-03 | 海信视像科技股份有限公司 | Window position detection method and display device |
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