CN103391413B - A kind of aerial survey image recording structure and method - Google Patents
A kind of aerial survey image recording structure and method Download PDFInfo
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Abstract
The present invention is a kind of aerial survey image recording structure and method, wherein: power supply aerial plug-in unit, external power source is connected with power panel by base plate, be used to power panel that dc source is provided; Power panel, is connected with recording image plate and hard disk support plate by base plate; Hard disk support plate, is connected with power panel by base plate; Recording image plate, is connected with hard disk support plate by the high-speed-differential line of base plate; Image input aerial plug-in unit, connects respectively full-color camera and color camera, and is connected with recording image plate by cable connecting area, base plate; Thousand with million net aerial plug-in units, be connected, and by cable connecting area, base plate, computer be connected with recording image plate by thousand with million network interfaces with computer; RS422 aerial plug-in unit, is connected with computer by RS422 interface module; Test port aerial plug-in unit, is connected with recording image plate by cable connecting area, base plate, for upgrading the configuration file of the field programmable gate array on recording image plate and the state of observation on-site programmable gate array internal.
Description
Technical field
The invention provides a kind of aerial survey image recording structure, belong to IMAQ and field of storage.
Background technology
Digital aviation measuring camera is in geography measurement, resources and environment protection, the disaster relief, anti-terrorism, military affairs etc.Increasing effect has been given play in field, has broad application prospects and the market demand. NumeralThe working environment of aviation measuring camera is more severe, therefore also very harsh to the technical requirement of product. GeneralTrading cannot meet the technical requirement of aeronautical product with image recording system, for example, and certain super-resolutionRate image capturing system and treatment system are by multiway images synthetic controller, image pick-up card and meterCalculation machine system composition. The wherein view data place of multiway images synthetic controller to camera outputReason, again arranges multiway images and integrates, and output one road ultrahigh resolution image is to capture card;Capture card is installed in the logical industrial control computer of a Daepori, and image pick-up card completes adopting of imageCollection. Image after collection imports industrial control computer into by pci interface, industrial control computerDeposit the image of collection in large capacity disc. There is following shortcoming in this technology:
1, integrated level is low, and the collection, record and the download function that realize view data need respectively manyRoad image synthetic controller, capture card and industrial control computer are realized.
2, volume is large, quality weight, does not meet the little lightweight requirement of aeronautical product volume.
3, reliability is low, adopts common business capture card and industrial control computer to be difficult to pass throughThe impact of aeronautical product, temperature, the experiments such as electromagnetic compatibility.
Summary of the invention
In order to solve the problem of prior art, the object of this invention is to provide a kind of aerial survey recording imageDevice.
In order to reach described object, the technical scheme that the present invention proposes aerial survey image recording structure comprises:Computer, full-color camera, color camera, power supply aerial plug-in unit, image input aerial plug-in unit, thousandWith million net aerial plug-in units, RS422 aerial plug-in unit, test port aerial plug-in unit, power panel, image noteRecord plate, hard disk support plate, cable connecting area and base plate, wherein:
Base plate, for power panel, recording image plate and hard disk support plate provide physical connection;
Power supply aerial plug-in unit, is connected by base plate external power source with power panel, be used to power panelDc source is provided;
Power panel, is connected with recording image plate and hard disk support plate by base plate, is used to recording imagePlate and hard disk support plate provide multi-channel DC voltage;
Hard disk support plate, is connected with power panel by base plate, obtains the 5V direct current of power panel outputPress;
Recording image plate, is connected with hard disk support plate by the high-speed-differential line of base plate, for download andStoring image data;
Image input aerial plug-in unit, connects respectively full-color camera and color camera, and by cable connecting area,Base plate is connected with recording image plate, for by the full-colour image of color camera and full-color camera output andColoured image imports recording image plate into;
Thousand with million net aerial plug-in units, be connected with computer with million network interfaces by thousand, and by outletDistrict, base plate are connected computer with recording image plate, receive recording image plate send for computerFull-colour image and coloured image;
RS422 aerial plug-in unit, is connected with computer by RS422 interface module, and by outletDistrict, base plate are connected computer with recording image plate, send life for computer to recording image plateMake, control chart is as data board work and receiving status information;
Test port aerial plug-in unit, is connected with recording image plate by cable connecting area, base plate, for upgradingThe configuration file of the field programmable gate array on recording image plate and observation field-programmable gate arrayBe listed as inner state.
In order to reach described object, the invention provides a kind of aerial survey image recording structure that proposes to useAerial survey image recording process, the step of described aerial survey recording image comprises:
Step S1: flush bonding processor is by the order of RS422 interface module receiving computer;
Step S2: the order of flush bonding processor analytical Calculation machine, if document image order,Go to step S3, if not document image order, go to step S1;
Step S3: start full-color camera processing module, receive full-colour image number from first interface moduleAccording to; Start color camera processing module, receive color image data from the second interface module;
Step S4: flush bonding processor control first memory control unit interface module and multiport are depositedFull-colour image data are write image buffer storage module by reservoir controller; Flush bonding processor control secondColor image data is write figure by memory controller interface module and multi-Port Memory ControllerPicture cache module; Full-colour image data and the color image data complete when a frame write image buffer storageAfter module, go to step S5;
Step S5: flush bonding processor control serial hardware driver interface controller is from image buffer storageModule reads full-colour image data and color image data, and writes the hard disk on hard disk support plate;
Step S6: if total data writes hard disk, go to step S7, if all do not countedAccording to writing hard disk, go to step S3;
Step S7: repeating step S3, to step S6 until all data all write hard disk, finishes noteRecord image manipulation.
Beneficial effect of the present invention: power panel of the present invention, recording image plate and hard disk support plate are at 3UOn board, solve collection, record and the download problem of 10K*10K*12 bit air map picture,In the situation of hardware resource stacked combination, can make the storage capacity of whole system increase exponentially, fromAnd record and the download problem of solution 30K*30K air map picture. This system can be widely used in groundReason measurement, resources and environment protection, the disaster relief, anti-terrorism, military affairs etc. require strict to working environmentOccasion.
The invention provides a kind of aerial survey image recording structure that meets Avionic Products technical requirementCan realize at a slice FPGA collection, record and the download function of image. Aerial survey image recording structureAdopt 3U board to reinforce conduction cooling cabinet, can meet complicated applied environment and various experiment: lowTemperature storage, low-temperature working, high temperature storage, hot operation, temperature shock, temperature altitude, vibration,Acceleration, vibration, acceleration, impact, damp and hot, mould, salt fog, drench with rain, electromagnetic compatibility etc.Environmental test. This device has the advantages such as reliability is high, size is little, lightweight.
Brief description of the drawings
Fig. 1 air map is as recording device structure schematic diagram;
Fig. 2 image storage sheet module connection layout;
Fig. 3 field programmable gate array 5 internal module connection layouts;
The operational flowchart of Fig. 4 document image;
Fig. 5 downloads the operational flowchart of image.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
As Fig. 1 illustrates that air map is as recording device structure, in the present embodiment, aerial survey recording image dressPut by computer 8, full-color camera 9, color camera 10, power supply aerial plug-in unit, image input boatBlank card, thousand is with million net aerial plug-in units, RS422 aerial plug-in unit, test port aerial plug-in unit, power supplyPlate, recording image plate, hard disk support plate, cable connecting area and base plate composition, wherein: base plate is power supplyPlate, recording image plate and hard disk support plate provide physical connection; Power supply aerial plug-in unit, by external power sourceBe connected with power panel by base plate, be used to power panel that dc source is provided; Power panel, the end of byPlate is connected with recording image plate and hard disk support plate, is used to recording image plate and hard disk support plate to provide manyRoad DC voltage; Hard disk support plate, is connected with power panel by base plate, obtains the 5V of power panel outputDC voltage; Recording image plate, is connected with hard disk support plate by the high-speed-differential line of base plate, forDownload and storing image data; Image input aerial plug-in unit, connects respectively full-color camera and colored phaseMachine, and being connected with recording image plate by cable connecting area, base plate, for by color camera 10 with entirelyThe full-colour image that form and aspect machine 9 is exported and coloured image import recording image plate into; Thousand insert with million net aviationsPart, is connected with computer 8 with million network interfaces by thousand, and passes through cable connecting area, base plate by computer8 are connected with recording image plate, for computer 8 receive recording image plate send full-colour image andColoured image; RS422 aerial plug-in unit, is connected with computer 8 by RS422 interface, and passes throughCable connecting area, base plate are connected computer 8 with recording image plate, for computer 8 to recording imagePlate sends order, control chart as data board work and receiving status information; Test port aerial plug-in unit,Be connected with recording image plate by cable connecting area, base plate, can for the scene of upgrading on recording image plateThe state of the configuration file of programming gate array and observation on-site programmable gate array internal. Wherein: electricitySource aerial plug-in unit receives the 28V DC voltage of external power source, as the input of power panel.
Power panel, recording image plate and hard disk support plate adopt standard-sized 3U board, according to1U=4.445cm design, meets CPCIE (compactPCIexpress) electrical standard.
Aerial survey recording image is the Design of Mechanical Structure that the casing structure of device adopts reinforcing and conduction cooling.The 28V direct current input of power panel Jiang Yi road is converted into 2 road 5V direct current outputs, wherein first via 5VDirect current is output as the power supply of recording image plate, and the second road 5V direct current is output as the power supply of hard disk support plate. LogicalCross Control output 5V voltage. The 600GB of Liang Kuai Intel company is installed on hard disk support plate to be heldThe hard disk of amount, hard disk model is SSDSA2CW600G3, as the storage medium of recording image.
Image storage sheet module connection layout as shown in Figure 2, recording image plate by first interface module 1,The second interface module 2, image buffer storage module 3, configuration module 4, field programmable gate array 5,Gigabit ethernet interface module 6, RS422 interface module 7 form, described field-programmable gate arrayRow 5 respectively with first interface module 1, the second interface module 2, configuration module 4, gigabit EthernetInterface module 6, RS422 interface module 7 connect; Wherein: field programmable gate array 5, useIn receiving full-color camera view data by first interface module 1, for by the second interface module2 receive color camera view data, for by full-colour image with coloured image writes and cache imageCache module 3, then reads the full-colour image of buffer memory and coloured image, for passing through RS422The order of interface module 7 receiving computers 8 and to computer 8 send status information, for passing throughGigabit ethernet interface module 6 sends full-colour image and coloured image, gigabit ether to computer 8Network interface module 6 receives the full-colour image of field programmable gate array 5 and coloured image and to calculatingMachine 8 sends the order of full-colour image and coloured image, RS422 interface module 7 receiving computers 8With to computer send status information.
First interface module 1 is for inputting full-color camera image; First interface module 1 is used a sliceDS90CR286 decoding chip complete by cameralink Low Voltage Differential Signal transfer to parallel data andClock signal is exported to field programmable gate array 5. It is basic that first interface module 1 realizes the first via(particular content about camerlink please refer to camerlink in the camerlink input of configuration modeSpecification document data), the full-colour image resolution ratio of input is 10240*10240*12 bit,Large frame frequency is that 1 frame/second, pixel clock are 50MHz.
The second interface module 2 is inputted for color camera image; The second interface module 2 is used a sliceDS90CR286 decoding chip complete by cameralink Low Voltage Differential Signal transfer to parallel data andClock signal is exported to field programmable gate array 5. The second interface module 2 is used and realizes the second tunnelThe camerlink input of basic configuration pattern, the color image resolution of input is4096*4096*12 bit, maximum frame rate is that 1 frame/second, pixel clock are 25MHz.
Image buffer storage module 3 is for caching image data; Image buffer storage module 3 is used 4 16bitThe DDR2 chip MT47H128M16 composition of bit wide,
Configuration module 4 adopts the nonvolatile storage XCF32P of a slice 32 megabit capacity, forStorage field programmable gate array 5 configuration file and after recording image plate powers on, the scene of completing canThe automatic loading of programming gate array 5 configuration files.
The chip model of field programmable gate array 5 is XC5VFX70T-2IFFG1136, forRealize collection, record and the download of view data.
Gigabit ethernet interface module 6 for recording image plate to computer 8 transmit image data;
Fig. 3 field programmable gate array 5 internal module connection layouts, described field programmable gate array5 comprise: full-color camera processing module 51a, first memory control unit interface module 52a, colourCamera processing module 51b, second memory control unit interface module 52b, multiport memory controlDevice 53 processed, memory controller interface module 54, serial hardware driver interface controller 55 HesFlush bonding processor 56.
Full-color camera processing module 51a, receives the full-colour image data that first interface module 1 is exported,Export the full-colour image data of 64 bit bit wides; Full-color camera processing module 51a enters view dataRow reconfigures, arrangement, caching process, and the view data of 12 bit bit wides is changed into 64The view data output of bit. The described view data by 12 bit bit wides changes into 64 bitsThe method of wide view data is: use the register 1 of 192 bit bit wides, from lowest orderWrite successively the data of 12 bits to the order of highest order, when the data bit width writing is greater than 64 ratiosWhen special, just export first 64 Bit data, in the time that the data bit width writing is greater than 128 bit justExport second 64 Bit data, in the time that the data bit width writing equals 192 bit, just exportThree 64 Bit datas, then the order from lowest order to highest order writes 12 bits successively againData, so circulation; When each output 64 Bit data, export data effective index signal.
Color camera processing module 51b to color image data reconfigure, arrangement, buffer memoryProcess, the view data of 12 bit bit wides is changed into the color image data of 64 bit bit wides;
First memory control unit interface module 52a, the full-colour image data of reception 64 bit bit wides,Produce and the initial address of output access image buffer storage module 3 and write the complete of image buffer storage module 3Color image data; First memory control unit interface module 52a produces access images cache module 3The step of initial address is: detect the effective rising edge of frame, and judgement is odd-numbered frame or even frame.If odd-numbered frame produces the first reference address, often read or write number one time to image buffer storage module 3According to just transmitting 256 byte data amounts, on the basis of the first reference address, increase by 256 and accessedThe new address of image buffer storage module 3; If even frame produces the second reference address, Mei DangxiangImage buffer storage module 3 reads or writes a secondary data and just transmits 256 byte data amounts, in the second accessOn the basis of location, increase the new address that a fixed value 256 obtains access images cache module 3. TheOne memory controller interface module 52a is identical with the second reservoir control unit interface module 52b function.First memory control unit interface module 52a, passes to multiport by the view data of 64 bit bit widesMemory Controller 53, first memory control unit interface module 52a is defeated at the effective rising edge of frameGo out to access the initial address of image buffer storage module 3;
Second memory control unit interface module 52b, the color image data of reception 64 bit bit wides,Produce the initial address and the colour that writes image buffer storage module 3 of output access image buffer storage module 3View data;
Multi-Port Memory Controller 53 is realized the read-write control of image buffer storage module 3. Multiport is depositedReservoir controller 53, respectively with image buffer storage module 3, first memory control unit interface module52a, second memory control unit interface module 52b are connected with memory controller interface module 54,For realizing the read-write control of image buffer storage module 3. Multi-Port Memory Controller 53 is by dividingThe mode of Shi Fuyong realize first memory control unit interface module 52a and image buffer storage module 3,Second memory control unit interface module 52b and image buffer storage module 3, memory controller interfaceTransfer of data between module 54 and image buffer storage module 3.
Memory controller interface module 54, for realizing multi-Port Memory Controller 53 and serialThe transmission of data between hardware driver interface controller 55. Memory controller interface module 54The initial address of access images cache module 3 is provided by flush bonding processor 56;
Described serial hardware driver interface controller 55 is realized disk read-write control. Serial hardwareDriver interface controller 55 is connected with flush bonding processor 56 by PLB bus, for controllingThe transmission of information and status information, by memory controller interface module 54 and multiport storageDevice controller 53 connects, for the transmission of data.
Flush bonding processor 56 is managed full-color camera processing module 51a, first memory controller connectsMouthful module 52a, color camera processing module 51b, second memory control unit interface module 52b,Multi-Port Memory Controller 53, memory controller interface module 54 and serial hardware driverThe work of interface controller 55; Order, the parameter of receiving computer 8 and sending to computer 8Status information.
Recording image plate has two kinds of mode of operations: document image and download image. When document image,Field programmable gate array 5 is by first interface module 1 (camlink interface module) and the second interfaceThe view data of module 2 (camlink interface module) input first writes image buffer storage module 3, soAfter read and write the hard disk on hard disk support plate; Download when image, field programmable gate array 5 fromHard disk reads image data on hard disk support plate also sends to meter by gigabit ethernet interface module 6Calculation machine 8.
Main 4 of the external interface of recording image plate: CameraLink interface, gigabit Ethernet connectMouth, RS422 serial ports and serial hardware driver interface control unit interface. Wherein, CameraLinkInterface is connected with color camera with full-color camera, and gigabit ethernet interface is connected with computer, RS422Serial ports is connected with computer, hard on serial hardware driver interface control unit interface and hard disk support plateDish is connected.
The operational flowchart of Fig. 4 document image, the operating process of document image is as follows:
Step S1: flush bonding processor 56 is by the 7 receiving computer orders of RS422 interface module;
Step S2: flush bonding processor 56 analytical Calculation machine orders, if document image orderGo to step S3, go to step S1 if not document image order;
Step S3: start full-color camera processing module 51a, receive panchromatic from first interface module 1View data; Start color camera processing module 51b, receive cromogram from the second interface module 2Picture data;
Step S4: flush bonding processor 56 control first memory control unit interface module 52a andFull-colour image data are write image buffer storage module 3 by multi-Port Memory Controller 53; Embedded placeReason device 56 is controlled second memory control unit interface module 52b and multi-Port Memory Controller 53Color image data is write to image buffer storage module 3; When a frame complete full-colour image data and coloured silkColor image data go to step S5 after writing image buffer storage module 3;
Step S5: flush bonding processor 56 is controlled serial hardware driver interface controller 55 from figureRead full-colour image data and color image data as cache module 3, and write on hard disk support plate hardDish;
Step S6: if total data writes hard disk, go to step S7, if all do not countedAccording to writing hard disk, otherwise go to step S3;
Step 7: repeating step S3 and step S6, until all data all write hard disk, finish noteRecord image manipulation.
Fig. 5 downloads the operational flowchart of image, and the operating process of downloading image is as follows:
Step 1: flush bonding processor 56 is by the 7 receiving computer orders of RS422 interface module;
Step 2: flush bonding processor 56 analytical Calculation machine orders, if download image commandGo to step 3, go to step 1 if not downloading image command;
Step 3: flush bonding processor 56 is controlled serial hardware driver interface controller 55 from firmlyOn dish, reads image data is to image buffer storage module 3;
Step 4: flush bonding processor 56 is from image buffer storage module 3 reads image data, by thousandMbit ethernet interface module 6 is transferred to computer 8;
Step 5: if total data is all transferred to computer 8, go to step 6, otherwise go to step 3;
Step 6: finish to download image manipulation.
The above be only the detailed description of the invention in the present invention, but protection scope of the present invention alsoBe not limited to this, any people who is familiar with this technology, in the disclosed technical scope of the present invention, can manageThe conversion that solution is expected or replacement, all should be encompassed in of the present invention comprise scope within.
Claims (4)
1. an aerial survey image recording structure, is characterized in that, by computer, full-color camera, coloured silkThe mechanical, electrical source of form and aspect aerial plug-in unit, image input aerial plug-in unit, thousand are with million net aerial plug-in units, RS422Aerial plug-in unit, test port aerial plug-in unit, power panel, recording image plate, hard disk support plate, cable connecting areaWith base plate composition, wherein:
Base plate, for power panel, recording image plate and hard disk support plate provide physical connection;
Power supply aerial plug-in unit, is connected by base plate external power source with power panel, be used to power panelDc source is provided;
Power panel, is connected with recording image plate and hard disk support plate by base plate, is used to recording imagePlate and hard disk support plate provide multi-channel DC voltage;
Hard disk support plate, is connected with power panel by base plate, obtains the 5V direct current of power panel outputPress;
Recording image plate, is connected with hard disk support plate by the high-speed-differential line of base plate, for download andStoring image data;
Image input aerial plug-in unit, connects respectively full-color camera and color camera, and by cable connecting area,Base plate is connected with recording image plate, for by the full-colour image of color camera and full-color camera output andColoured image imports recording image plate into;
Thousand with million net aerial plug-in units, be connected with computer with million network interfaces by thousand, and by outletDistrict, base plate are connected computer with recording image plate, receive recording image plate send for computerFull-colour image and coloured image;
RS422 aerial plug-in unit, is connected with computer by RS422 interface module, and by outletDistrict, base plate are connected computer with recording image plate, send life for computer to recording image plateMake, control chart is as data board work and receiving status information;
Test port aerial plug-in unit, is connected with recording image plate by cable connecting area, base plate, for upgradingThe configuration file of the field programmable gate array on recording image plate and observation field-programmable gate arrayBe listed as inner state.
2. aerial survey image recording structure as claimed in claim 1, is characterized in that, described power supplyAerial plug-in unit receives the 28V DC voltage of external power source.
3. aerial survey image recording structure as claimed in claim 1, is characterized in that, described imageData board is by first interface module, the second interface module, image buffer storage module, configuration module, existingField programmable gate array, gigabit ethernet interface module and RS422 interface module, described scene canProgramming gate array respectively with first interface module, the second interface module, configuration module, gigabit etherNetwork interface module, RS422 interface module connect; Wherein: field programmable gate array, for logicalCross first interface module and receive full-color camera view data, color for receiving by the second interface moduleLook camera image data, for full-colour image and coloured image are write and cache image buffer memory mouldPiece, then reads the full-colour image of buffer memory and coloured image, for by RS422 interface moduleThe order of receiving computer and to computer send status information, for passing through gigabit ethernet interfaceModule receives on-the-spot to computer transmission full-colour image and coloured image, gigabit ethernet interface moduleThe full-colour image of programmable gate array and coloured image also send full-colour image and colour to computerOrder, the parameter of image, RS422 interface module receiving computer and believing to computer transmission stateBreath.
4. aerial survey image recording structure as claimed in claim 1, is characterized in that, described sceneProgrammable gate array, has:
Full-color camera processing module, to full-colour image data reconfigure, arrangement, buffer memory placeManage, the view data of 12 bit bit wides is changed into and exports to the full-colour image number of 64 bit bit widesAccording to;
Color camera processing module, to color image data reconfigure, arrangement, buffer memory placeManage, the view data of 12 bit bit wides is changed into and exports to the coloured image number of 64 bit bit widesAccording to;
First memory control unit interface module, the full-colour image data of reception 64 bit bit wides,Produce and the initial address of output access image buffer storage module and write the panchromatic of image buffer storage moduleView data;
Second memory control unit interface module, the color image data of reception 64 bit bit wides,Produce the also initial address and the colour that writes image buffer storage module of output access image buffer storage moduleView data;
Multi-Port Memory Controller, connects with image buffer storage module, first memory controller respectivelyMouth module, second memory control unit interface module are connected with memory controller interface module, useIn the read-write control that realizes image buffer storage module; Multi-Port Memory Controller passes through time-sharing multiplexMode realizes first memory control unit interface module and image buffer storage module, second memory controlDevice interface module and image buffer storage module, memory controller interface module and image buffer storage module itBetween image data transmission;
Memory controller interface module, for realizing multi-Port Memory Controller and serial hardwareThe transmission of data between driver interface controller;
Serial hardware driver interface controller is connected with flush bonding processor by PLB bus, instituteState serial hardware driver interface controller for realizing disk read-write control, for control information andThe transmission of status information, connects by memory controller interface module and multi-Port Memory ControllerConnect, for transmit image data;
Embedded processing management full-color camera processing module, first memory control unit interface module,Color camera processing module, second memory control unit interface module, multi-Port Memory Controller,The work of memory controller interface module and serial hardware driver interface controller; By embeddedProcessor provides the initial address of memory controller interface module accesses image buffer storage module, embedsThe order of formula processor receiving computer, parameter and send status information to computer.
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| CN103259998A (en) * | 2013-05-16 | 2013-08-21 | 中国科学院光电技术研究所 | System and method for recording aerial survey image data |
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