CN207968682U - IR image processing system based on FPGA - Google Patents
IR image processing system based on FPGA Download PDFInfo
- Publication number
- CN207968682U CN207968682U CN201820453884.XU CN201820453884U CN207968682U CN 207968682 U CN207968682 U CN 207968682U CN 201820453884 U CN201820453884 U CN 201820453884U CN 207968682 U CN207968682 U CN 207968682U
- Authority
- CN
- China
- Prior art keywords
- interface
- fpga
- fpga chip
- interface circuit
- thermal imaging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012545 processing Methods 0.000 title claims abstract description 24
- 238000001931 thermography Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000006870 function Effects 0.000 abstract description 15
- 230000003287 optical effect Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 description 7
- 238000003331 infrared imaging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Studio Devices (AREA)
Abstract
The utility model provides a kind of IR image processing system based on FPGA, including sequentially connected thermal imaging system, AD conversion module, fpga chip；Connect the communications interface unit and display interface unit of fpga chip；The washer motor control module and focusing motor control module being connected between the thermal imaging system and fpga chip；It further include the power subsystem module that operating voltage is provided for above-mentioned each unit.It is core design hardware circuit that the utility model, which is based on FPGA, to provide hardware supported to the realization of Multiple Functions Infrared Image Processing System, its function includes not only traditional Image Acquisition, storage and display, also provide the digital picture of high quality and the control function to optical device simultaneously, and by reserving digital interface, it can also complete that embedded system is integrated and secondary development.
Description
Technical field
The utility model is related to infrared imaging system field more particularly to a kind of infrared image processing systems based on FPGA
System.
Background technology
Currently, any object of nature will be with electromagnetic radiation as long as temperature is higher than absolute zero (- 273.15 DEG C)
Form emitted energy in very wide wave-length coverage, generates radiation energy, and this radiation is also referred to as infra-red radiation, infrared imaging skill
Art is substantially a kind of light figure wavelength conversion technology, i.e., infra-red radiation is converted to the technology of visible light.As shown in Fig. 2, traditional
Infrared imaging system include mainly thermal imaging system and image procossing electric system two large divisions, thermal imaging system is there are two element
That is optical device and detector, the major function of thermal imaging system are the infrared radiation collections that are sent out object by optical device to visiting
It surveys on device, radiation is converted into electric signal by detector, and electric signal is by image processing system by the thermal information on measured target surface
Moment visualizes, i.e. thermography.
Infra-red thermal imaging system obtains the details of image using the difference of scenery each section radiation itself, has concealment
By force, the limitation such as cigarette, mist and identification camouflage ability can be penetrated, and with the not imaging and passive imaging system of blinding by the interference of strong light
System.Since infrared imagery technique is quickly grown these good characteristics in recent years, also more and more widely be applied to space flight, remote sensing,
The fields such as industry, medicine, fire-fighting and military affairs, especially in the application of military field, it can be achieved that over the horizon it is round-the-clock scout,
Detection, tracking and guidance.
The core of IR image processing system is its hardware circuit, traditional infrared imaging and processing circuit mostly only at
Picture and simple processing and acquisition function, most support dsp chip control Image Acquisition, storage and fortune as core devices
Calculation is handled, its main feature is that by the processing that processing is serialized, but the number for including complicated algorithm and real-time high flow capacity at some
In the application of word image, dsp chip resource cannot be satisfied requirement.Also some other designs use the processor that DSP adds FPGA
Framework, DSP is as control and main operational device, and FPGA is as coprocessor part, but the digital operating ability of FPGA does not obtain
To fully demonstrating, said function hardware cost also corresponding higher is realized.FPGA has powerful parallel processing capability, includes up to a hundred
A MAC unit, the monolithic fpga chip for reaching system-level integrated level have been enough to provide enough digital processing capabilities, processor industry
Boundary thinks that operation strength is easier to realize when less than 5GMACS using traditional dsp chip, and on the contrary then FPGA has more excellent
Gesture.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of IR image processing system based on FPGA,
To provide hardware supported to the realization of Multiple Functions Infrared Image Processing System.
The technical solution adopted in the utility model is a kind of IR image processing system based on FPGA, including is connected successively
Thermal imaging system, AD conversion module, the fpga chip connect；
Connect the communications interface unit and display interface unit of fpga chip；
The washer motor control module and focusing motor control mould being connected between the thermal imaging system and fpga chip
Block；
It further include the power subsystem module that operating voltage is provided for above-mentioned each unit.
It is core design hardware circuit based on FPGA, function includes not only traditional Image Acquisition, storage and display, is gone back
It is integrated with the digital picture algorithm of high quality and the control function to optical device simultaneously, and by reserving digital interface, also
It can complete that embedded system is integrated and secondary development.
By upper, computer exports control command to fpga chip by communication interface, and the fpga chip passes through inside
Reason controls thermal imaging system by control circuit and acquires picture signal, and electric signal is completed modulus by AD conversion module and turned by thermal imaging system
It changes, output is to fpga chip, by internal arithmetic, can convert electrical signals to picture signal and exports to display equipment and shown
Show.High-performance based on FPGA not only has most basic image display function, goes back while being integrated with the number of high quality
Image algorithm and control function to optical device.
Optionally, the communication interface includes at least one：
UART interface circuit, I2C interface circuit, serial communication interface circuit and digital signal interface circuit.
By upper, by the way that abundant communication interface is arranged, coordinates the programmable logic cells of FPGA, greatly facilitate various
Protocol integrated test system software controls hardware, to realize various functions, while by reserving digital interface, can directly with outside
Equipment connects, driving equipment work.
Optionally, the display interface unit includes at least one：
PAL interface circuits, USB interface circuit, SDI interface circuits, HDMI interface circuit and Camera Link interface electricity
Road.
By upper, traditional infrared imaging circuit is all the prison for directly exporting infrared thermal image technique at pal video signal
Visual organ is observed, and as the requirement of infrared total system is higher and higher, the output of single PAL vision signals cannot meet
The needs of total system and embedded secondary development can make infrared image direct, simple by the way that abundant image display interface is arranged
Just in various simulations, export image on numerical display device, be greatly enriched the application range of product, SDI interfaces will also
Application field extends to field of broadcast televisions from traditional monitoring field.
Optionally, further include the optional communications interface unit of the connection fpga chip, including at least one：
Usb circuit, LVDS interface circuit and ethernet interface circuit.
By upper, gigabit ethernet interface, USB2.0 interfaces, USB3.0 can be realized by way of external separate interface plate
Interface, LVDS interface communication, can select, plug and play according to actual demand, meet the system integration and embedded to the greatest extent
The requirement of secondary development.
It is further improved, the system also includes the MCU processors being connect with the fpga chip.
By upper, it can be achieved that the real-time processing of control command is completed a variety of by the cooperation with FPGA internal programmable units
Logical combination order.
It is further improved, the system also includes the DDR memory modules being connect with the fpga chip.
By upper, the data of thermal imaging system acquisition can be stored in DDR memory modules after FPGA inter-process.
In conclusion the design of this programme uses the relatively advanced fpga chip of technique, coordinate abundant communication interface
And display interface, not only have most basic Image Acquisition, processing and the function of display, further comprises to thermal imaging system optics
The control function of device, by realizing the control of focusing motor control module, washer motor control module to optical device
Real-time control, by carrying out the programming of respective logic order, the extreme enrichment application range of this programme meets to the greatest extent
The requirement of the system integration and embedded secondary development.
Description of the drawings
Fig. 1 is the principle schematic of IR image processing system of the utility model based on FPGA.
Fig. 2 is the principle schematic of traditional infrared imaging system.
Specific implementation mode
The main purpose of the utility model is to provide a kind of IR image processing systems based on FPGA, with to multi-functional
The realization of IR image processing system provides hardware supported, which includes not only traditional Image Acquisition, storage and display, is gone back
It provides the digital picture of high quality simultaneously and the control function to optical device, hardware design is not only powerful, neat
Entirely, circuit board appearance and size is compact and flexible, can meet the matching requirements of various structures.
In the following, with reference to the principle schematic of the IR image processing system as shown in Figure 1 based on FPGA, it is new to this practicality
The operation principle of type is described in detail, a kind of IR image processing system based on FPGA, including sequentially connected thermal imaging system
100, AD conversion module 200, fpga chip 300；
The power subsystem module 400 of operating voltage is provided for above-mentioned each unit；
The fpga chip 300 is by washer motor control module 500 and focusing motor control module 600 to thermal imaging system
100 carry out real-time control；
The system also includes the communications interface unit 700 being connect respectively with the fpga chip 300 and display interface lists
Member 800, the communications interface unit 700 is for connecting computer, including UART interface circuit, I2C interface circuit, serial communication
Interface circuit and digital signal interface circuit；The display interface unit 800 shows equipment for connecting, including PAL interface electricity
Road, USB interface circuit, SDI interface circuits, HDMI interface circuit and Camera Link interface circuits；
The system also includes an optional communications interface units 900, are used for external embedded device, including USB interface electricity
Road, LVDS interface circuit and ethernet interface circuit, by way of external separate interface plate, realization gigabit ethernet interface,
USB2.0 interfaces, USB3.0 interfaces, LVDS interface communication；
The system also includes the MCU processor 310 being connect with fpga chip 300 and DDR memory modules 320.
Above-mentioned thermal imaging system 100 includes refrigeration mode thermal imaging system and non-refrigeration type thermal imaging system, at present mainstream refrigeration mode thermal imaging system mould
Quasi- output is generally 4 tunnels or 8 tunnels, and non-refrigeration type thermal imaging system simulation output is generally 1 tunnel.
Above-mentioned AD conversion module 200 exports the multi-channel analog of thermal imaging system using LTC2201-16 bit A/D converters
Digital level is converted to, fpga chip is sent to.
Above-mentioned fpga chip 300 has selected the FPGA of altera corp CycloneV series, and element has can
It programs I/O unit, basic programmable logic cells, embedded block RAM, abundant interconnection resource, embed special IP kernel
Deng, use the 28-nm low-power consumption techniques of TSMC to be developed, support 400MHz DDR3 and PCI Express Gen2 stones
Multi-functional stone Memory Controller of IP modules etc..
Above-mentioned washer motor control module 500 and focusing motor control module 600 select DRV8837 motor drive ic structures
It builds.
Above-mentioned communications interface unit 700, UART interface select LTC2851IMS8 structures, I2C interface to select MCU
ATMEGA48PA is built, and serial communication interface includes RS232, RS422 and RS485, wherein RS232 select MAX3232 structures,
It is 16Bit digital interfaces that RS422, which selects MAX3488 structures, RS485 to select MAX485 structures, digital signal interface, is selected
LTC2851IMS8 is built.
Above-mentioned display interface unit 800, PAL interfaces select ADV7127KRU50 structures, USB interface to select
ADV7123KSTZ50 is built, and DS90CR285MTD, DS90C032TM, DS90LV019TMTC can be selected in Camera Link interfaces
Structure, HDMI interface circuit select STHDLS101TQTR structures, SDI interfaces to select LMH0303SQX (TX), LMH0384SQ
(QX) it builds.
Above-mentioned optional communications interface unit 900, USB 2.0 select CY7C68013A structures, USB 3.0 to select
CYUSB3014 is built, and LVDS interface selects SN65LVDS387 structures, Ethernet interface to select Ethernet PHY, 88E1111
Structure.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of IR image processing system based on FPGA, which is characterized in that including sequentially connected thermal imaging system, AD conversion mould
Block, fpga chip；
Connect the communications interface unit and display interface unit of fpga chip；
The washer motor control module and focusing motor control module being connected between the thermal imaging system and fpga chip；
It further include the power subsystem module that operating voltage is provided for above-mentioned each unit.
2. system according to claim 1, which is characterized in that the communication interface includes at least one：
UART interface circuit, I2C interface circuit, serial communication interface circuit and digital signal interface circuit.
3. system according to claim 1, which is characterized in that the display interface unit includes at least one：
PAL interface circuits, USB interface circuit, SDI interface circuits, HDMI interface circuit and Camera Link interface circuits.
4. system according to claim 1, which is characterized in that further include that the optional communication of the connection fpga chip connects
Mouth unit, including at least one：
Usb circuit, LVDS interface circuit and ethernet interface circuit.
5. system according to claim 4, which is characterized in that further include the MCU processor being connect with the fpga chip.
6. system according to claim 5, which is characterized in that further include the DDR storage moulds being connect with the fpga chip
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453884.XU CN207968682U (en) | 2018-04-02 | 2018-04-02 | IR image processing system based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820453884.XU CN207968682U (en) | 2018-04-02 | 2018-04-02 | IR image processing system based on FPGA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968682U true CN207968682U (en) | 2018-10-12 |
Family
ID=63726809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820453884.XU Expired - Fee Related CN207968682U (en) | 2018-04-02 | 2018-04-02 | IR image processing system based on FPGA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336958A (en) * | 2019-07-03 | 2019-10-15 | 天津市英贝特航天科技有限公司 | A kind of network-based a variety of image output modules |
| CN112197868A (en) * | 2020-10-12 | 2021-01-08 | 上海扬灵能源科技有限公司 | FPGA-based multi-sensor identification red thermal imager system and method |
| WO2021007242A1 (en) * | 2019-07-08 | 2021-01-14 | MP High Tech Solutions Pty Ltd | Hybrid cameras |
-
2018
- 2018-04-02 CN CN201820453884.XU patent/CN207968682U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336958A (en) * | 2019-07-03 | 2019-10-15 | 天津市英贝特航天科技有限公司 | A kind of network-based a variety of image output modules |
| WO2021007242A1 (en) * | 2019-07-08 | 2021-01-14 | MP High Tech Solutions Pty Ltd | Hybrid cameras |
| US11800206B2 (en) | 2019-07-08 | 2023-10-24 | Calumino Pty Ltd. | Hybrid cameras |
| CN112197868A (en) * | 2020-10-12 | 2021-01-08 | 上海扬灵能源科技有限公司 | FPGA-based multi-sensor identification red thermal imager system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207968682U (en) | IR image processing system based on FPGA | |
| CN102914667B (en) | Large-scale particle image velocimeter based on near-infrared smart camera | |
| CN101226050B (en) | Method for measuring double-camera straight-pulling monocrystal diameter based on digital signal processor | |
| CN101546381B (en) | Real-time moving target identifying system based on DSP and FPGA | |
| CN104967783B (en) | Towards the micro- image capturing system of multichannel of micro-nano star | |
| CN204705413U (en) | A kind of infreared imaging device of miniaturization | |
| CN206757652U (en) | A kind of object detection system based on FPGA+ARM heterogeneous polynuclear SoC platforms | |
| CN202270019U (en) | Medical far infrared thermal imaging device adopting wide-angle lens | |
| CN103826072B (en) | A kind of Minitype infrared imaging system | |
| CN106454023B (en) | USB3.0CMOS line array industrial camera | |
| CN203691506U (en) | Large-view-field and high-frame-frequency system for high speed target measurement | |
| CN106248051A (en) | Missile flying parameter recording equipment | |
| CN208128386U (en) | A kind of high-resolution large area array imaging circuit system | |
| Sosnowski et al. | Processing of the image from infrared focal plane array using FPGA-based system | |
| CN202793595U (en) | Infrared thermal imaging device based on FPGA | |
| CN203851239U (en) | Dual-camera video image tracking device | |
| CN206147296U (en) | Embedded MCU data acquisition module | |
| CN103685884A (en) | Intelligent camera based on on-chip visual system | |
| CN206832993U (en) | Portable laser altitude meter | |
| CN205102925U (en) | Variable frame frequency thermal infrared imager | |
| CN203414766U (en) | FPGA (field programmable gate array) based full polarization imaging processing system | |
| CN202889506U (en) | Digital image recorder | |
| CN206281575U (en) | A kind of infrared line walking equipment and system based on the Big Dipper | |
| CN206224383U (en) | A kind of gesture identification acquisition system based on binocular vision | |
| CN109648553A (en) | A kind of intelligent robot of view-based access control model servo-control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |