CN103997626B - A kind of ground observing and controlling system being suitable for moon exploration program vision facilitiess and method - Google Patents
A kind of ground observing and controlling system being suitable for moon exploration program vision facilitiess and method Download PDFInfo
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- CN103997626B CN103997626B CN201410251081.2A CN201410251081A CN103997626B CN 103997626 B CN103997626 B CN 103997626B CN 201410251081 A CN201410251081 A CN 201410251081A CN 103997626 B CN103997626 B CN 103997626B
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Abstract
The invention discloses a kind of investigating method to vision facilitiess is it is characterised in that include：Step S1, user instruction name is converted to note number and instructs and be sent to vision facilitiess；Step S2, the view data that described image equipment is passed down shows simultaneously and compares.And a kind of TT＆C system to vision facilitiess is it is characterised in that include data and instruction transceiver module, view data adaptive decoding display module, view data comparing module, user instruction processing module.This invention is integrated in one by setting up visual man machine operation interface and showing the decoding of the control of multiple vision facilitiess and view data, and simplify existing vision facilitiess controls the cumbersome test operation being brought that display is separated, and improves testing efficiency.The self adaptation real-time decoding supporting multichannel different images equipment shows, solves the defect that existing test equipment can only decode the single coded format of single channel.
Description
Technical field
The invention belongs to aerospace information technical field is and in particular to a kind of ground that can be used for moon exploration program vision facilitiess is surveyed
Control system and method.
Background technology
At present, in the terrestrial test environment of moon exploration program vision facilitiess, each type camera is manufactured by different task sides
And individually complete test job, lack a kind of general test platform and all cameras are carried out unify to test.Meanwhile, in the present invention
The picture decoding of camera shows that carrying out hardware decoding by picture decoding card shows before, and sends note number and instruct camera apparatus
Operation is completed by application layer software, and both are not in contact with physical layer, therefore when note number instructs as " photograph shooting " pattern switching
When, picture decoding card cannot self-adaptative adjustment decoding algorithm, test intermediate link need human intervention, had a strong impact on test effect
Rate and testing reliability.When image data frame is discontinuous or intraframe data is imperfect, can exist in the display of image frame
Picture is discontinuous, mosaic, distortion when etc. phenomenon, conventional test methodologies are off current test job, will preserve
View data carry out the comparison interpretation of frame count, had a strong impact on testing progress.In addition, when there is one or two LOF
When, picture no significant change, tester cannot perceive data existing problems, if not done by comparing afterwards then
The in esse problem of vision facilitiess can be neglected.
Content of the invention
In order to overcome defect present in prior art, the present invention provides a kind of ground that can be used for moon exploration program vision facilitiess
Face TT＆C system and method, specific technical scheme is as follows：
A kind of investigating method to vision facilitiess is it is characterised in that include：
Step S1, user instruction name is converted to note number and instructs and be sent to vision facilitiess；
Step S2, the view data that described image equipment is passed down shows simultaneously and compares；
Wherein, described step S1 is specially：
Obtain the user instruction name of input；The note number mating with described user instruction name is searched in default instruction list
Instruction；The described note number instruction searching is sent to described image equipment；
Described step S2 specifically includes following steps：
Step S201, vision facilitiess are according to parameter preset or note number instruction response operation, and pass down view data；Obtain institute
State the device class name identifying its source in view data, according to described device class name by described image data storage in different queue
In；
Step S202, sequentially extracts a frame described image data sheet in each is stored with the queue of same device class name
Unit, does to described image data cell simultaneously and shows and comparison process：
Display processing is specially：The coded system of detection described image data cell, according to described coding mode selection pair
The decoding algorithm answered is decoded showing；
Comparison processes and is specially：It is right that the actual image data unit sequence number obtaining and the estimated standard sequence number obtaining are done
Ratio, when there is comparing mismatch, generates corresponding Error Text；
Step S203, repeat step S202 is until the described image data receiving decodes display completely and compares.
As prioritization scheme, the described note number instruction that search is mated with described user instruction in default instruction list
Method and step is：
Step S101：According to the instruction name of user input, obtain the corresponding device class name controlling of described instruction name；
Step S102：Find the corresponding instruction set of described device class name in described preset instructions list, obtain after finding
Obtain corresponding first call number of described instruction set；
Step S103：Find the instruction name of user input in the first step in described instruction set, obtain described after finding
Corresponding second call number of instruction name；
Step S104：Obtain corresponding command content under described second call number, described command content is converted to byte
Array is as described note number instruction.
As prioritization scheme, a described device class name corresponds at least one camera apparatus；In one described image data
Comprise at least one frame described image data cell.
A kind of TT＆C system to vision facilitiess is it is characterised in that include data with instruction transceiver module, view data certainly
Adapt to decoding display module, view data comparing module, user instruction processing module, wherein：
Data and instruction transceiver module：For receiving the view data that vision facilitiess pass down and described image data is same
When be transferred to described image data adaptive decoding display module and view data comparing module；Refer to for receiving described user
Make the note number instruction that processing module sends over, and described note number instruction is uploaded to described image equipment；
View data adaptive decoding display module：It is connected with instruction transceiver module with described data, for described figure
As data carries out display processing；
View data comparing module：It is connected with instruction transceiver module with described data, for carrying out to described image data
Comparison is processed, and generation error text；
User instruction processing module：It is used for obtaining the user instruction name of user input, and be converted into corresponding described
Note number instruction is sent to described data and instruction transceiver module.
Compared with prior art, the invention has the advantages that：
The present invention be directed to traditional vision facilitiess means of testing not enough it is proposed that one kind can be used for moon exploration program image sets
Standby ground observing and controlling system and method.By this system and method, the view data of different coding form (as H.264, JPEG,
JPEG2000) can be implemented in and carry out real-time decoding to free switching in same display and show；The real-time comparison of view data
Interpretation is mutually compatible with decoding display, by the discontinuously caused picture of error data frame and frame discontinuously and can the problems such as mosaic
To know from comparison report；The note number command information of vision facilitiess can quickly and easily be sent in hardware device, manipulation
The data transmission rate of vision facilitiess, pattern switching, passage switching etc., can obtain instruction in time in system display module simultaneously and hold
Image frame change after row.Therefore, this system and method further increases testing efficiency and operability, greatly reduces
Human cost and personal error.
Brief description
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is user instruction process chart；
Fig. 3 is view data adaptive decoding display processing flow chart；
Fig. 4 compares process chart for view data；
Fig. 5 is a kind of display interface of the present invention；
Fig. 6 is the information display interface of class vision facilitiess.
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings by way of example in detail.
The present invention is a kind of ground observing and controlling system that can be used for moon exploration program vision facilitiess and method, for adapting to moon exploration program
Equipment, in the present embodiment each module using with moon exploration program hardware compatibility by the way of set.
Embodiment is the ground observing and controlling system of No. five orbiter, orbital vehicle vision facilitiess of the goddess in the moon.Table 1 is No. five orbiter, orbital vehicle images of the goddess in the moon
The information of equipment collects, and this TT＆C system supports the decoding of camera apparatus as shown in table 1, display and control operation.Ground
TT＆C system carries out point 4 queue storages according to the device class name of No. five orbiter, orbital vehicle vision facilitiess down-transmitting datas of the goddess in the moon to data,
Each queue stores the data of i.e. same device class name under same passage.
Table 1 vision facilitiess information collects
| Device class name | Same category of device number | Coded format |
| Bispectrum section supervision camera | 3 | H.264、JPEG2000 |
| Wide visual field supervision camera | 1 | H.264 |
| Monitor sensors A | 3 | H.264、JPEG |
| Monitor sensor B | 3 | H.264、JPEG |
It is illustrated in figure 1 the system architecture diagram of the present invention, according to Fig. 1 it can be seen that the system of the present embodiment is broadly divided into
Space equipment uploads to the data down transmission of ground control system and the instruction of ground control system to space equipment, that is, be mainly：
Step S1, user instruction name is converted to note number and instructs and be sent to No. five orbiter, orbital vehicle vision facilitiess of the goddess in the moon；
Step S2, the view data that described No. five orbiter, orbital vehicle vision facilitiess of the goddess in the moon are passed down shows simultaneously and compares.
Wherein, described step S1 is specially with reference to the flow process shown in Fig. 2：
The first step：According to the instruction name OrderStr of user input, obtain the father node name of described instruction name OrderStr
Claim ParStr, that is, the corresponding device class name controlling of described instruction name OrderStr；
Second step：In described preset instructions list List_Orders, searching is mated with described ParStr
CameraName corresponding instruction set Parameter_KZ, obtains call number Index in List_Orders for the instruction name；
3rd step：Finding in all Order of described instruction set Parameter_KZ can be with instruction name OrderStr
The OrderName of coupling, obtains described instruction name corresponding second call number List_Orde [Index] .Order
[OrderIndex]；
4th step：Obtain corresponding command content under described second call number, described command content is converted to byte number
Group DataBytes, as described note number instruction, is sent to No. five orbiter, orbital vehicle vision facilitiess of the goddess in the moon by instructing sending card.
The List_Orders of preset instructions list described in the present embodiment comprises 4 and the one-to-one instruction set of equipment class
Close Parameter_KZ.One instruction set Parameter_KZ comprises a corresponding device class name CameraName and a plurality of
Note number instruction Order.One note number instruction Order equally comprises a corresponding instruction name and corresponding command content.Note number
Instruction is written as configuration file according to the XML format shown in table 2, becomes each image to set XML text resolution by time series technique
Standby note number instruction is stored in the instruction list List_Orders in control system with entity Parameter_KZ.
Table 2 note number instructs XML text formatting
As shown in figure 1, orbiter, orbital vehicle vision facilitiess collection data in solid storing module by the picture number of 4 device class names
According to point 4 passage storages, then according to the protocol format shown in table 3, table 4 descends into ground, the receiving card of ground observing and controlling system
By under pass view data and be stored in 4 corresponding queues.The many data buffer storages of multithreading are adopted in the operation that data receiver is processed
Method realizes the independent parallel decoding display processing of different channel image, as shown in figure 3, by the independent lines of a real time execution
Journey receives the data with processing data receiving card, and the view data of reception carries out data by 4 threads of separate operation
Parsing, different queue different coding form is read using the multimedia timer timing that 12 timing accuracies reach Milliseconds
View data, the decoding carrying out view data through corresponding decompression algorithm shows, concrete operations flow process is as shown in Figure 3.
In conjunction with the flow process shown in Fig. 3, described step S2 specifically includes following steps：
Step S201, No. five orbiter, orbital vehicle vision facilitiess of the goddess in the moon according to parameter preset or note number instruction response operation, and under pass
View data；Ground control system is deposited into corresponding buffer queue ListGc_n according to the device class name of described image data
(n=1,2,3,4).
Step S202, sequentially extracts a frame described image data sheet in each is stored with the queue of same device class name
Unit, does to described image data cell simultaneously and shows and comparison process：
Display processing as shown in the flow chart of paths generating date thread every in Fig. 3, specially：
The first step：According to goddess in the moon's orbiter, orbital vehicle engineering image communication protocol as shown in table 4, find the frame in ListGc_n
Head, if finding frame head, finding the complete view data of a frame further according to compressed data length, and will work as former frame partial data
Data takes out from queue, if data is imperfect, waits new data, until obtaining the complete data of a frame.
Second step：Obtain coded format and the device id number of current data according to banner word in Data, number will be compressed
According to this and device id number is stored in the form of structure DatatStr (shown in table 5).
3rd step：List_H264 queue will be stored in based on the structured data of H.264 coded format according to coded format
In, and open the multimedia timer Timer_H264 playing this this coded format of passage；By the knot based on JPEG coded format
Structure volume data is stored in List_Jpeg queue, and opens the multimedia timer Timer_ playing this this coded format of passage
Jpeg；To be stored in List_Jpeg2000 list based on the structured data of JPEG2000 coded format, and open
Play the multimedia timer Timer_Jpeg2000 of this this coded format of passage.
View data adaptive decoding display module can reach the multimedia timer of Millisecond using multiple timing accuracies
Device timing is read in the buffer queue of storage DataStr, the Timer_ shown in each intervalometer timing working flow process and Fig. 3
H264 timing working flow process is the same.When each multimedia timer timing reaches, traversal of lists current cache queue first, if
There is number, then take out first structure datastr, corresponding decoding algorithm pair is adopted according to current data coded format
Data in datastr is decoded showing, and obtains the device id DeviceId of present image from datastr.
Comparison processes the flow process seeing in Fig. 4, specially：
The first step, the ListGc_n view data storing by passage is got the frame of the first frame according to table 4 protocol format
Count, and as first frame count Count0, currently practical frame count CountR=Count0, standard frame count CountB=
Difference CountGap=0 of Count0, actual frame count and standard frame count.
Second step, finds next frame whole frame and obtains current frame count Count, CountR=Count, CountB=
CountB+1.
3rd step, judges whether CountR is equal to CountB, is not equal to, proceeds to the 4th step；If being equal to, repeat second
Step.
4th step, judges whether CountGap is equal to (CountR-CountB), if equal, proceeds to second step, is not equal to
Then make CountGap=CountR-CountB, enter the 5th step.
5th step, by error message record format misregistration information ErrorStr of table 6, and ErrorStr is written to
In Interpretation Report, repeat second step.
Form is passed under the solid deposit data of table 3
Table 4 image data format
Table 5 DataStr structure form
Table 5 Interpretation Report form
Ground observing and controlling system in the present embodiment establishes a Visual controlling interface as shown in Figure 5, in visualization
In the menu bar of controlling interface, image shows the four type camera option providing in drop-down list in table 1, and user clicks on list
Any one of can eject the information display interface of corresponding classification equipment as shown in Figure 6.Use is additionally provided in controlling interface
The corresponding operating position of family command process module, with tree list form idsplay order name, it is then to be sent that user can click on choosing
Instruction.Content, the result of instruction transmission success or failure sending instruction is shown in command operating procedure information frame.Visual
Change in controlling interface and additionally provide comparing module, tester is apparent that frame count situation, click on menu bar and sentence
Read report button, current data can be compared in error important information write Interpretation Report, the view data including error is protected
Deposit the information such as filename, erroneous frame counters and correct frame count.
The invention provides a kind of ground observing and controlling system that can be used for moon exploration program vision facilitiess and method, by vision facilitiess
Control, display, interpretation is integrated in one, and can be relevant staff's great convenience.
A specific embodiment being only the application disclosed above, but the application is not limited to this any this area
What technical staff can think change, all should fall in the protection domain of the application.
Claims (3)
1. a kind of investigating method to vision facilitiess is it is characterised in that include：
Step S1, user instruction name is converted to note number and instructs and be sent to vision facilitiess；
Step S2, the view data that described image equipment is passed down shows simultaneously and compares；
Wherein, described step S1 is specially：
Obtain the user instruction name of input；Search for the note number mating with described user instruction name to refer in default instruction list
Order；The described note number instruction searching is sent to described image equipment；
Described step S2 specifically includes following steps：
Step S201, vision facilitiess are according to parameter preset or note number instruction response operation, and pass down view data；Obtain described figure
As identifying the device class name in its source in data, according to the queue in difference by described image data storage of described device class name
In；
Step S202, sequentially extracts a frame described image data cell in each is stored with the queue of same device class name, right
Described image data cell is done simultaneously and is shown and comparison process：
Display processing is specially：The coded system of detection described image data cell, corresponding according to described coding mode selection
Decoding algorithm is decoded showing；
Comparison processes and is specially：The actual image data unit sequence number obtaining is contrasted with the estimated standard sequence number obtaining,
When there is comparing mismatch, generate corresponding Error Text；
Step S203, repeat step S202 is until the described image data receiving decodes display completely and compares；
Described in default instruction list search mate with described user instruction note number instruct method and step be：
Step S101：According to the instruction name of user input, obtain the corresponding device class name controlling of described instruction name；
Step S102：Find the corresponding instruction set of described device class name in described preset instructions list, after finding, obtain institute
State corresponding first call number of instruction set；
Step S103：Find the instruction name of user input in the first step in described instruction set, after finding, obtain described instruction
Corresponding second call number of name；
Step S104：Obtain corresponding command content under described second call number, described command content is converted to byte arrays
As described note number instruction.
2. as claimed in claim 1 a kind of investigating method to vision facilitiess it is characterised in that a described device class name pair
Should at least one camera apparatus；At least one frame described image data cell is comprised in one described image data.
3. a kind of TT＆C system to vision facilitiess is it is characterised in that be based on the method for claim 1, including data
With instruction transceiver module, view data adaptive decoding display module, view data comparing module, user instruction processing module,
Wherein：
Data and instruction transceiver module：For receiving the view data that vision facilitiess pass down, and described image data is passed simultaneously
It is defeated by described image data adaptive decoding display module and view data comparing module；With for receiving at described user instruction
The note number instruction that reason module sends over, and described note number instruction is uploaded to described image equipment；
View data adaptive decoding display module：It is connected with instruction transceiver module with described data, for described image number
According to carrying out display processing；
View data comparing module：It is connected with instruction transceiver module with described data, for comparing to described image data
Process, and generation error text；
User instruction processing module：It is used for obtaining the user instruction name of user input, and be converted into corresponding described note number
Instruction is sent to described data and instruction transceiver module.
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| US20090103617A1 (en) * | 2007-10-22 | 2009-04-23 | The Hong Kong University Of Science And Technology | Efficient error recovery with intra-refresh |
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| CN101217339A (en) * | 2007-12-29 | 2008-07-09 | 华为技术有限公司 | A method, device and base station for frame dropping detection |
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