Rolling stock inspection and repair monitoring device and monitoring methodTechnical field
The present invention relates to rolling stock inspection and repair monitoring technology field, more particularly to a kind of rolling stock inspection and repair monitoring device andUsing the monitoring method of the device.
Background technology
In the process of running, parts can gradually wear away, corrode and damage rolling stock, to make vehicle often in qualityKilter, it is ensured that traffic safety simultaneously extends vehicle service life, it is necessary to which various inspections and repair work are carried out to rolling stock.Flight crew exists due to neglecting the situation of missing inspection in maintenance process, and missing inspection once occurs, it will jeopardizes traffic safety.Therefore, it is necessary to a kind of method that can be monitored service personnel and overhaul the device of position and use the assembly monitor.
The content of the invention
To solve to have the technical problem of carelessness missing inspection, skill of the invention during rolling stock inspection and repair in the prior artArt scheme is as follows：
Rolling stock inspection and repair monitoring device in the present invention, including packaged type video capture device, communication controller, numberAccording to storehouse server, image processing server, host computer and display；The input terminal of the communication controller and the packaged typeVideo capture device is communicatively coupled in a wired or wireless fashion, and output terminal and the described image of the communication controller are handledThe input terminal of server is communicatively coupled in a wired or wireless fashion, described image processing server also with the host computer andDatabase server two-way communication link, the output terminal of described image processing server are connected with the display；It is described upperMachine sends control information to described image processing server, image processing server is set the packaged type video acquisition of receptionThe rolling stock numbering maintenance photo of standby collection and the maintenance photo of rolling stock Awaiting Overhaul component carry out image recognition, cognitronThe numbering and rolling stock Awaiting Overhaul component of car vehicle, then by the rolling stock numbering maintenance photo and rolling stock after identificationThe rolling stock numbering reference picture to prestore in the photo and database server of Awaiting Overhaul component and rolling stock Awaiting Overhaul portionPart reference picture is matched, and matching result is transmitted to host computer and display is shown.
In a preferred embodiment, including GPS positioning module；The GPS positioning module is installed on described removableIn dynamic formula video capture device, the output terminal of the GPS positioning module is connected with the communication controller, the communication controlerIt is connected with the display, the positional information of the packaged type video capture device is transmitted on display and is shown.
In a preferred embodiment, the communication controller is multiple 3G modules or multiple 4G modules or multiple 3GThe combination of module and multiple 4G modules.
The invention also discloses a kind of monitoring method using above-mentioned rolling stock inspection and repair monitoring device, including following stepSuddenly：
Step 1, establish maintenance task library, is stored in database server, and maintenance task library includes rolling stockThe photo of multiple Awaiting Overhaul components of numbering photo and each Awaiting Overhaul rolling stock, as rolling stock numbering reference picture andRolling stock Awaiting Overhaul component reference picture；
Rolling stock numbering reference picture and rolling stock Awaiting Overhaul component reference picture are stored in inspection with treeRepair in task library, each of which rolling stock numbering reference picture is father node, the Awaiting Overhaul component benchmark of each rolling stockPhoto is child node；
Step 2, record each rolling stock numbering and each rolling stock is each using packaged type video capture deviceThe maintenance process of position is overhauled, maintenance process is recorded as video or photo, is such as video, then it is photo to be intercepted, asPhoto is overhauled, wherein maintenance photo includes rolling stock numbering maintenance photo and rolling stock Awaiting Overhaul component inspection photo；ItsMiddle rolling stock Awaiting Overhaul component inspection photo includes the photo of multiple different angles；
Rolling stock numbering maintenance photo is stored in rolling stock Awaiting Overhaul component inspection photo with tree canIn the memory of portable video capture device, each of which rolling stock numbering maintenance photo is father node, each locomotiveAwaiting Overhaul component inspection photo be child node；
Multiple of each maintenance position of each rolling stock in step 3, image processing server receiving step 2 are to be checkedComponent inspection photo is repaiied, and it is identified and fusion treatment, obtains a width of each maintenance position of each rolling stockPhoto is overhauled after the processing of high quality；
Step 4, using image processing server by the rolling stock numbering reference picture in step 1 and Awaiting Overhaul component baseThe Awaiting Overhaul component inspection of quasi- photo and rolling stock after the processing in step 2 rolling stock numbering maintenance photo and step 3 shinesPiece is matched, and exports matching result, when matching result is more than 80%, successful match, it was demonstrated that the position has been overhauled, noThen it fails to match.
In a preferred embodiment, step 3 includes：
Multiple of each maintenance position of each rolling stock in step 3.1, image processing server receiving step 2 are treatedComponent inspection photo is overhauled, image enhancement is carried out to multiple Awaiting Overhaul component inspection photos using high-pass filtering method；
Step 3.2, image processing server identify each maintenance of each rolling stock using Local Features Analysis methodMultiple different angle Awaiting Overhaul component inspection photos of position, then using Image Fusion by each of each rolling stockMultiple different angle Awaiting Overhaul component inspection photos of maintenance position are merged, and photograph is overhauled after obtaining the processing of several high qualityPiece, maintenance photo is the maintenance photo of one maintenance position of a rolling stock after every width processing.
In a preferred embodiment, step 4 includes：
Image processing server shines each rolling stock numbering maintenance in packaged type video capture device memoryPiece is matched with each rolling stock numbering reference picture；If matching result is more than 90%, then the rolling stock is numberedOverhaul under Awaiting Overhaul component inspection photo and rolling stock numbering reference picture of the matching result more than 90% under photoAwaiting Overhaul component reference picture is matched；When matching result is more than 80%, successful match, it was demonstrated that examined at the positionRepair, otherwise it fails to match；
Specific matching process is as follows：
Step 4.1, utilize each rolling stock numbering maintenance photo of scale invariant feature transfer algorithm extraction and each machineThe characteristic point of car car number reference picture, maintenance photo and rolling stock numbering reference picture characteristic point are numbered to rolling stockMatched, and filter out effective matching characteristic point；
Step 4.2, the effective matching characteristic point filtered out using step 4.1 and the projective transformation matrix for calculating acquisition,Realized by coordinate mapping transformation algorithm and rolling stock numbering reference picture is mapped in rolling stock numbering maintenance photo, meterCalculate matching degree, when matching result is more than 90%, successful match；
The rolling stock of successful match, is numbered the Awaiting Overhaul component inspection photo and locomotive overhauled under photo by step 4.3Awaiting Overhaul component reference picture under car number reference picture is matched, and when matching result is more than 80%, is matched intoWork(, it was demonstrated that the position has been overhauled, and otherwise it fails to match, is specially：
Step 4.3.1, extract each Awaiting Overhaul component inspection photo using scale invariant feature transfer algorithm and each treatThe characteristic point of component reference picture is overhauled, to each Awaiting Overhaul component inspection photo and each Awaiting Overhaul component reference picture featurePoint is matched, and filters out effective matching characteristic point；
Step 4.3.2, using the step 4.3.1 effective matching characteristic points filtered out and the projective transformation square obtained is calculatedBattle array, realizes that each Awaiting Overhaul component reference picture is mapped to each Awaiting Overhaul component inspection shines by coordinate mapping transformation algorithmIn piece, matching degree, when matching result is more than 80%, successful match are calculated.
In a preferred embodiment, Image Fusion is PCA blending algorithms or weighting used by step 3.2The method of average.
In a preferred embodiment, screening is effectively matched the specific method of characteristic point and is in step 4.1：
4.1.1, establish in each rolling stock numbering reference picture and each rolling stock numbering maintenance photo per a pair ofThe set of the difference point of the coordinate difference composition of matching characteristic point；
4.1.2, filter out and fall into centered on the first extreme point and there is the difference point in the circle of the first radius R, then withThe corresponding paired match point of difference point filtered out is as validity feature point.
In a preferred embodiment, screening is effectively matched the specific method of characteristic point and is in step 4.3.1：
4.3.1.1, establish each Awaiting Overhaul component reference picture of each rolling stock and each rolling stock is each to be checkedRepair the set of the difference point of the coordinate difference composition in component inspection photo per a pair of matching characteristic point；
4.3.2.1 the difference point fallen into centered on the first extreme point and in the circle with the first radius R, is filtered out, thenThe corresponding paired match point of difference point to filter out is used as validity feature point.
Rolling stock inspection and repair monitoring device and rolling stock inspection and repair monitoring method in the present invention, compared with prior art,Its advantage is：
Rolling stock inspection and repair monitoring device in the present invention, utilizes packaged type video capture device collection service personnel instituteThe position of maintenance, and overhauled position and image processing server is transferred in the form of video or photo, carry out image knowledgeNot and match, so that judge the position that service personnel is overhauled, it is real-time；Set at the same time in packaged type video capture deviceGPS positioning module has been put, has determined service personnel really in Overhaul site.
Rolling stock inspection and repair monitoring method in the present invention, realizes the maintenance photo gathered under dark environment and is shone with benchmarkThe matching of piece, so as to judge the position that service personnel is overhauled.
Brief description of the drawings
Fig. 1 is the structure diagram of rolling stock inspection and repair monitoring device in the present invention.
Embodiment
Below in conjunction with the attached drawing of the present invention, technical scheme is clearly and completely described.Based on this hairEmbodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative effortsExample, belongs to the scope of protection of the invention.
As shown in Figure 1, the rolling stock inspection and repair monitoring device of the present invention, including packaged type video capture device 1, communicationController 2, database server 3, image processing server 4, host computer 5 and display 6；The input terminal of communication controller 2 withPackaged type video capture device 1 is communicatively coupled in a wired or wireless fashion, at the output terminal and image of communication controller 2Reason server 4 input terminal be communicatively coupled in a wired or wireless fashion, image processing server 4 also with host computer 5 and numberAccording to 3 two-way communication link of storehouse server, the output terminal of image processing server 4 is connected with display 6；Host computer 5 is at imageManage server 4 and send control information, the machine for making image processing server 4 gather the packaged type video capture device 1 of receptionCar car number overhauls photo and the maintenance photo of rolling stock Awaiting Overhaul component carries out image recognition, identifies the volume of rolling stockNumber and rolling stock Awaiting Overhaul component, then by the rolling stock numbering maintenance photo and rolling stock Awaiting Overhaul component after identificationPhoto and database server 3 in the rolling stock numbering reference picture and rolling stock Awaiting Overhaul component reference picture that prestoreMatched, matching result is transmitted to host computer 5 and display 6 is shown..Wherein communication controller 2, database server3rd, model used in image processing server 4 and host computer 5 can be selected according to actual conditions, select existing model canRealize the function of the present invention.Rolling stock inspection and repair monitoring device in the present invention, is gathered using packaged type video capture deviceThe position that service personnel is overhauled, and overhauled position and be transferred to image processing server in the form of video or photo,Image recognition and matching are carried out, so as to judge the position that service personnel is overhauled, packaged type video capture device is easy to carry,And the control real-time of whole monitoring device is strong.
To determine service personnel really in Overhaul site, there is provided GPS positioning module 6；GPS positioning module 6 is installed on canIn portable video capture device 1, the output terminal of GPS positioning module 6 is connected with communication controller 2, communication controler 2 and displayDevice 6 connects, and the positional information of packaged type video capture device 1 is transmitted on display 6 and is shown.
Wherein communication controller 2 is multiple 3G modules or multiple 4G modules or the group of multiple 3G modules and multiple 4G modulesClose, so as to increase the handling capacity of transmitted per unit time data, improve transmission speed.
The invention also discloses a kind of monitoring method using above-mentioned rolling stock inspection and repair monitoring device, including following stepSuddenly：
Step 1, establish maintenance task library, is stored in database server, and maintenance task library includes rolling stockThe photo of multiple Awaiting Overhaul components of numbering photo and each Awaiting Overhaul rolling stock, as rolling stock numbering reference picture andRolling stock Awaiting Overhaul component reference picture；
Rolling stock numbering reference picture and rolling stock Awaiting Overhaul component reference picture are stored in inspection with treeRepair in task library, each of which rolling stock numbering reference picture is father node, the Awaiting Overhaul component benchmark of each rolling stockPhoto is child node；Stored using tree, it is possible to achieve quick-searching, saves retrieval time and flow.
Step 2, record each rolling stock numbering and each rolling stock is each using packaged type video capture deviceThe maintenance process of position is overhauled, maintenance process is recorded as video or photo, is such as video, then it is photo to be intercepted, asPhoto is overhauled, wherein maintenance photo includes rolling stock numbering maintenance photo and rolling stock Awaiting Overhaul component inspection photo；ItsMiddle rolling stock Awaiting Overhaul component inspection photo includes the photo of multiple different angles；
Rolling stock numbering maintenance photo is stored in rolling stock Awaiting Overhaul component inspection photo with tree canIn the memory of portable video capture device, each of which rolling stock numbering maintenance photo is father node, each locomotiveAwaiting Overhaul component inspection photo be child node；
Multiple of each maintenance position of each rolling stock in step 3, image processing server receiving step 2 are to be checkedComponent inspection photo is repaiied, and it is identified and fusion treatment, obtains a width of each maintenance position of each rolling stockPhoto is overhauled after the processing of high quality；Specially：
Multiple of each maintenance position of each rolling stock in step 3.1, image processing server receiving step 2 are treatedComponent inspection photo is overhauled, image enhancement is carried out to multiple Awaiting Overhaul component inspection photos using high-pass filtering method；
Step 3.2, image processing server identify each maintenance of each rolling stock using Local Features Analysis methodMultiple different angle Awaiting Overhaul component inspection photos of position, then using Image Fusion by each of each rolling stockMultiple different angle Awaiting Overhaul component inspection photos of maintenance position are merged, and used blending algorithm is calculated for PCA fusionsMethod or weighted mean method, overhaul photo, it is a locomotive to overhaul photo after every width processing after obtaining the processing of several high qualityThe maintenance photo of one maintenance position of vehicle.
Step 4, using image processing server by the rolling stock numbering reference picture in step 1 and Awaiting Overhaul component baseThe Awaiting Overhaul component inspection of quasi- photo and rolling stock after the processing in step 2 rolling stock numbering maintenance photo and step 3 shinesPiece is matched, and exports matching result, when matching result is more than 80%, successful match, it was demonstrated that the position has been overhauled, noThen it fails to match.
Image processing server shines each rolling stock numbering maintenance in packaged type video capture device memoryPiece is matched with each rolling stock numbering reference picture；If matching result is more than 90%, then the rolling stock is numberedOverhaul under Awaiting Overhaul component inspection photo and rolling stock numbering reference picture of the matching result more than 90% under photoAwaiting Overhaul component reference picture is matched；When matching result is more than 80%, successful match, it was demonstrated that examined at the positionRepair, otherwise it fails to match；
Specific matching process is as follows：
Step 4.1, utilize each rolling stock numbering maintenance photo of scale invariant feature transfer algorithm extraction and each machineThe characteristic point of car car number reference picture, maintenance photo and rolling stock numbering reference picture characteristic point are numbered to rolling stockMatched, and filter out effective matching characteristic point；
Wherein screening is effectively matched the specific method of characteristic point and is：
4.1.1, establish in each rolling stock numbering reference picture and each rolling stock numbering maintenance photo per a pair ofThe set of the difference point of the coordinate difference composition of matching characteristic point；
4.1.2, filter out and fall into centered on the first extreme point and there is the difference point in the circle of the first radius R, then withThe corresponding paired match point of difference point filtered out is as validity feature point.
Step 4.2, the effective matching characteristic point filtered out using step 4.1 and the projective transformation matrix for calculating acquisition,Realized by coordinate mapping transformation algorithm and rolling stock numbering reference picture is mapped in rolling stock numbering maintenance photo, meterCalculate matching degree, when matching result is more than 90%, successful match；
The rolling stock of successful match, is numbered the Awaiting Overhaul component inspection photo and locomotive overhauled under photo by step 4.3Awaiting Overhaul component reference picture under car number reference picture is matched, and when matching result is more than 80%, is matched intoWork(, it was demonstrated that the position has been overhauled, and otherwise it fails to match, is specially：
Step 4.3.1, extract each Awaiting Overhaul component inspection photo using scale invariant feature transfer algorithm and each treatThe characteristic point of component reference picture is overhauled, to each Awaiting Overhaul component inspection photo and each Awaiting Overhaul component reference picture featurePoint is matched, and filters out effective matching characteristic point；Wherein screening is effectively matched the specific method of characteristic point and is：
4.3.1.1, establish each Awaiting Overhaul component reference picture of each rolling stock and each rolling stock is each to be checkedRepair the set of the difference point of the coordinate difference composition in component inspection photo per a pair of matching characteristic point；
4.3.2.1 the difference point fallen into centered on the first extreme point and in the circle with the first radius R, is filtered out, thenThe corresponding paired match point of difference point to filter out is used as validity feature point.
Step 4.3.2, using the step 4.3.1 effective matching characteristic points filtered out and the projective transformation square obtained is calculatedBattle array, realizes that each Awaiting Overhaul component reference picture is mapped to each Awaiting Overhaul component inspection shines by coordinate mapping transformation algorithmIn piece, matching degree, when matching result is more than 80%, successful match are calculated.
Rolling stock inspection and repair monitoring method in the present invention, due to being carried by the use of scale invariant feature transfer algorithm as featureMethod is taken, it maintains the invariance rotation, scaling, brightness change, and one is also kept to visual angle change, affine transformation, noiseDetermine the stability of degree, therefore, there is higher successful match rate, strong robustness.Meanwhile the monitoring method can utilize lightThe maintenance photo gathered under dark environment is matched, and matches efficient, the occasion of suitable rolling stock inspection and repair, because machineCar car inspection and repair is usually at night.
Rolling stock numbering reference picture and Awaiting Overhaul component reference picture be stored in maintenance task library with tree,Rolling stock numbering maintenance photo is stored in packaged type video acquisition with tree with Awaiting Overhaul component inspection photo to setIn standby memory.Reference picture and the storage mode for overhauling photo are tree-like storage, when being matched, matching machine firstCar car number, after matching is correct, then matches the Awaiting Overhaul component reference picture and Awaiting Overhaul component under locomotive car numberPhoto is overhauled, reduces matching range, accelerates matching speed.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, anyThose familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be containedCover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.