CN207677855U - A kind of high-resolution refractive and reflective panorama video image processing system - Google Patents
A kind of high-resolution refractive and reflective panorama video image processing system Download PDFInfo
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- CN207677855U CN207677855U CN201820039593.6U CN201820039593U CN207677855U CN 207677855 U CN207677855 U CN 207677855U CN 201820039593 U CN201820039593 U CN 201820039593U CN 207677855 U CN207677855 U CN 207677855U
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Abstract
The utility model discloses a kind of high-resolution refractive and reflective panorama video image processing systems, including SPI FLASH, FPGA JTAG, utilizing camera interface, display interface device, power module, SDRAM, FPGA, FPGA clock module, DDR2 SDRAM, DSP, DSP clock module, DSP JTAG, NAND FLASH, NOR FLASH and Ethernet interface.The system can give full play to the advantage of FPGA and DSP, and the collected high-resolution annular video image of refractive and reflective panorama camera is launched into the normal video image convenient for eye-observation in real time and is exported.
Description
Technical field
The utility model is related to embedded image processing technology fields more particularly to a kind of high-resolution refractive and reflective panorama to regard
Frequency image processing system.
Background technology
The field range of common camera is limited, scene that can only be in front of capture camera in a certain fixed angle space,
All events around occurred within the scope of 360 ° can not be taken into account, blind area unavoidably occur.Panoramic imaging techniques can be any
Time point perceives the scene information within the scope of 360 ° simultaneously, eliminates vision dead zone, therefore in military affairs, video monitoring, machine
It is used widely in the fields such as vision.
Panoramic imaging techniques include mainly：Image mosaic panoramic imaging techniques, flake panoramic imaging techniques, refractive and reflective panorama
Imaging technique.Image mosaic panoramic imaging techniques need to shoot multiple image, make post-processing by image mosaic software to obtain
Obtain panoramic picture.Flake panoramic imagery, pattern distortion is serious, goes distortion difficulty big.With the application field of panoramic imaging techniques
Expansion, also require omnidirectional imaging system towards the development of portable and miniaturization.Catadioptric omnidirectional imaging system is using instead
Penetrate the visual field that optical element expands imaging system, can once obtain panoramic picture, and with more than hemispherical space visual field,
At low cost, device designs the advantages that simple, conducive to miniaturization.
The original omni-directional image that Catadioptric omnidirectional imaging system is obtained is in circular ring type, there is distortion, and it is straight to be not suitable for human eye
Observation is connect, needs to spread out to meet the cylinder panoramic image of human eye vision.This is a complicated process, is needed to omnidirectional
Image carries out the processing of large amount of complex, and the requirement to hardware platform is very high, therefore developed refractive and reflective panorama imaging system at present
System also mostly uses PC machine and is handled, and using the abundant resource of PC machine and superpower operational capability, passes through software realization panorama sketch
As rapid deployment.But PC machine there are volumes it is big, mobility is poor, power consumption is high the shortcomings of so that requiring small size, low work(
The place of consumption, high mobility, such as armored vehicle is scouted, robotic vision system, can not be used.For above-mentioned situation, people
Devise Embedded refractive and reflective panorama imaging processing system, use application-specific integrated circuit realize refractive and reflective panorama imaging
The micromation of processing system, portability make panoramic imaging techniques can be applied to more occasions.But it is catadioptric for high-resolution
Panoramic imagery processing is penetrated, panoramic imagery processing speed is limited, it is difficult to reach the panoramic imagery processing speed of video frame rate.
Utility model content
For in existing high-resolution refractive and reflective panorama Imaging processing techniques, image processing speed is difficult to reach video frame speed
The problem of rate, the utility model provide a kind of high-resolution refractive and reflective panorama video image processing system, which can fully send out
The collected high-resolution annular video image of refractive and reflective panorama camera is launched into and is convenient for by the advantage for waving FPGA and DSP in real time
The normal video image of eye-observation simultaneously exports.
To achieve the goals above, technical solutions of the utility model are as follows：
It builds a kind of high-resolution refractive and reflective panorama video image processing system, including SPI FLASH, FPGA JTAG, takes the photograph
As head interface, display interface device, power module, SDRAM, FPGA, FPGA clock module, DDR2SDRAM, DSP, DSP clock mould
Block, DSP JTAG, NAND FLASH, NOR FLASH and Ethernet interface.
Further, the SPI FLASH capacity is not less than 64Mbit, program and configuration data for storing FPGA.
Further, the utilizing camera interface is USB interface or Camera Link interfaces, for connecting high-resolution folding
Reflective panorama camera, and receive original annular image.
Further, the display interface device is that DVI interface or Ethernet interface are exported for connecting external display
It is convenient for the normal video image of eye-observation after processing.
Further, the sdram size is not less than 1Gbit, for storing the data during FPGA image preprocessings.
Further, the DDR2SDRAM capacity is not less than 1Gbit, for storing the expansion of DSP annular images and going to distort
Data in the process.
Further, the NAND FLASH capacity be not less than 1Gbit, for interim storage annular image expansion with go it is abnormal
Result after change.
Further, the NOR FLASH capacity is not less than 64Mbit, program and configuration data for storing DSP.
Further, the power module can export 1.2V, 1.8V and 3.3V voltage, power to system various pieces.
The beneficial effects of the utility model are：The system can give full play to the respective advantages of FPGA and DSP, by catadioptric
The collected high-resolution annular video image of panorama camera is launched into real time convenient for the normal video image of eye-observation and defeated
Go out.
Description of the drawings
Fig. 1 is system structure diagram.
Fig. 2 is annular image expanded schematic diagram.
Specific implementation mode
In order to make technical solutions of the utility model and advantageous effect be more clearly understood, with reference to the accompanying drawings and embodiments,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model is not used to limit the utility model.
Refering to fig. 1, a kind of high-resolution refractive and reflective panorama video image processing system, including SPI FLASH 1, FPGA
JTAG2, utilizing camera interface 3, display interface device 4, power module 5, SDRAM 6, FPGA 7, FPGA clock modules 8,
DDR2SDRAM 9, DSP 10, DSP clock modules 11, DSP JTAG 12, NAND FLASH 13, NOR FLASH 14 and ether
Network interface 15.
Referring to Fig.2, as shown in left-half in figure, the collected original image of refractive and reflective panorama camera is annular image,
Surrounding is in the object of same level height in actual scene, as being located at the same annulus equal away from circle center distance in figure
On.After system processing in result such as figure shown in right half part, it is normal cylinder unwrapping figure, is convenient for eye-observation.
The FPGA7 is the Spartan6 XC6SLX16 of Xilinx companies.SPI FLASH 1 are the M25P64 of ST companies,
Its capacity is 64Mbit, program and configuration data for storing FPGA7.FPGAJTAG 2 is JATG interfaces, for adjusting online
Examination and download FPGA programs.SDRAM 6 is MT47H64M16HR, the capacity 1Gbit of MT companies, for storing FPGA7 figures
As the data in preprocessing process.FPGA clock modules 8, which are 50M Hz, source crystal oscillator, and external oscillation source is provided for FPGA7,
FPGA7 reaches frequency needed for work by internal PPL frequencys multiplication.
The DSP 10 is the TMS320C6748 of TI companies, and dominant frequency is 450M Hz.DDR2SDRAM 9 is SAMSUNG
The K4T1G164QF of company, capacity 1Gbit, for storing 10 image spreads of DSP and going the data during distortion.DSP
Clock module 11, which is 25M Hz, source crystal oscillator, provides external oscillation source for DSP 10, DSP 10 reaches work by internal PPL frequencys multiplication
Frequency needed for making.DSP JTAG 12 are JATG interfaces, for on-line debugging and download DSP programs.NAND FLASH 13 are MT
The MT29F1G08A of company, capacity 1Gbit are unfolded for interim storage annular image and go the result after distorting.NOR
FLASH 14 is SST39VF6401, the capacity 64Mbit of SST companies, program and configuration data for storing DSP 10.
DSP 10 is communicated by EMIFA and FPGA 7, and FPGA 7 decodes collected video to obtain annular image, and will
Annular image is sent to DSP 10.Annular image is unfolded and carries out distortion to handle by DSP 10, will treated that image is beamed back
FPGA7.Video data at video format, is exported the image compression encoding after expansion by FPGA 7 by display interface device 4.
Utilizing camera interface 3 is USB interface, for connecting refractive and reflective panorama camera, receives refractive and reflective panorama camera and collects
Original image, and be passed along FPGA7.Display interface device 4 is DVI interface, for connecting external display, by treated
Normal video image exports.Ethernet interface 15, will treated normal video image remote for connecting remote network equipment
Output.
System use external 5V power supply power supplies, power module 5 use power supply chip LM26480, output 1.2V, 1.8V,
3.3V voltages are powered to system various pieces.
The system can give full play to the respective advantages of FPGA and DSP, by the collected high-resolution of refractive and reflective panorama camera
Annular video image is launched into the normal video image convenient for eye-observation and exports in real time.
The embodiments of the present invention are described in the above content combination attached drawing, but the utility model does not limit to
In above-mentioned specific implementation mode, the above mentioned embodiment is only schematical, and not restrictive, this field it is general
Logical technical staff is not departing from the utility model aims and scope of the claimed protection feelings under the enlightenment of the utility model
Under condition, many forms can be also made, these are belonged within the protection of the utility model.
Claims (9)
1. a kind of high-resolution refractive and reflective panorama video image processing system, it is characterised in that：Including SPI FLASH, FPGA
JTAG, utilizing camera interface, display interface device, power module, SDRAM, FPGA, FPGA clock module, DDR2 SDRAM, DSP,
DSP clock modules, DSP JTAG, NAND FLASH, NOR FLASH and Ethernet interface.
2. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described
SPI FLASH capacity is not less than 64Mbit.
3. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described to take the photograph
As head interface is USB interface or Camera Link interfaces.
4. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described aobvious
Show that device interface is DVI interface or Ethernet interface.
5. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described
Sdram size is not less than 1Gbit.
6. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described
DDR2 sdram sizes are not less than 1Gbit.
7. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described
NAND FLASH capacity is not less than 1Gbit.
8. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：It is described
NOR FLASH capacity is not less than 64Mbit.
9. high-resolution refractive and reflective panorama video image processing system according to claim 1, it is characterised in that：The electricity
Source module can export 1.2V, 1.8V and 3.3V voltage.
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| CN201820039593.6U CN207677855U (en) | 2018-01-11 | 2018-01-11 | A kind of high-resolution refractive and reflective panorama video image processing system |
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| CN201820039593.6U CN207677855U (en) | 2018-01-11 | 2018-01-11 | A kind of high-resolution refractive and reflective panorama video image processing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062142A (en) * | 2019-04-25 | 2019-07-26 | 长春理工大学 | A kind of high-resolution refractive and reflective panorama video acquisition and processing system |
| CN110884428A (en) * | 2019-11-11 | 2020-03-17 | 长春理工大学 | Vehicle-mounted panoramic driving auxiliary device and method based on catadioptric panoramic camera |
| CN112929534A (en) * | 2021-01-22 | 2021-06-08 | 宁波山迪光能技术有限公司 | Panoramic view monitoring recorder and application thereof |
-
2018
- 2018-01-11 CN CN201820039593.6U patent/CN207677855U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062142A (en) * | 2019-04-25 | 2019-07-26 | 长春理工大学 | A kind of high-resolution refractive and reflective panorama video acquisition and processing system |
| CN110884428A (en) * | 2019-11-11 | 2020-03-17 | 长春理工大学 | Vehicle-mounted panoramic driving auxiliary device and method based on catadioptric panoramic camera |
| CN112929534A (en) * | 2021-01-22 | 2021-06-08 | 宁波山迪光能技术有限公司 | Panoramic view monitoring recorder and application thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20190111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |