CN103780819B - Intelligent industrial camera - Google Patents
Intelligent industrial camera Download PDFInfo
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- CN103780819B CN103780819B CN201410065973.3A CN201410065973A CN103780819B CN 103780819 B CN103780819 B CN 103780819B CN 201410065973 A CN201410065973 A CN 201410065973A CN 103780819 B CN103780819 B CN 103780819B
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Abstract
The invention provides an intelligent industrial camera which comprises an image data acquisition system arranged in a case and an image data processing system, wherein the image data processing system has X86 architecture of PCIEXPRESS and comprises an X86 CPU (Central Processing Unit), a bridge chip and an internal memory, and the X86 CPU, the bridge chip and the internal memory are interconnected by PCIEXPRESS; a PCIE (Peripheral Component Interface Express) and a DMA (Direct Memory Access) controller are further arranged at the output end of the image data output controller of the image data acquisition system, and the PCIE converts image data output by the image data output controller in a package into PCIEXPRESS data which enters the image data processing system, and the DMA controller directly inputs the image data which is converted into the PCIEXPRESS data by the PCIE previously into the internal memory of the image data processing system. The industrial camera is integrated with the image data acquisition system and the image data processing system, and the structure of the industrial camera is simple and easy to realize.
Description
Technical field
The present invention relates to industrial camera field.
Background technology
Industrial camera is commonly called as video camera again, compared to traditional civil camera（Video camera）For, it has image high
Stability, high-transmission ability and high anti-jamming capacity etc., at present on the market typical industrial camera by optical lens, sequential and same
Step signal generator, vertical driver, analog/digital signal process circuit composition.Therefore, current industrial camera only enters line number
According to acquisition, that is, high-resolution digital picture is obtained, if necessary to process digital picture, such as to captured
Image carries out the image real time transfers such as special object capture, it is necessary in background process.It is general Digital Image Processing to be carried out on backstage
Including a PC and treatment software, imageing sensor is used as by optical lens using industrial camera in this area, this is one
Digital sensor such as CCD etc. is planted, the digital picture of digital image sensor device capture is first preserved in the caching of industrial camera,
Then by preliminary treatment, digital image file is formed, is stored in the memory of industrial camera or by digital communication
Interface i.e. a kind of view data o controller, it would be desirable to transmission view data packing by USB interface or other
Communication interface such as network interface output, on backstage, receives these view data and is processed using a PC, main by direct
By the view data reading process in industrial camera memory, it is also possible to received by taking a picture by USB interface or network
The view data of the view data o controller output of machine is processed, therefore, the PC is considered as at a view data
Reason system, in PC, using various image softwares as needed, the image to receiving is processed, and at present, image is very
It is many, various image procossing application programs can be designed according to the purposes of industrial camera.But, used as industrial camera
During, its application software is essentially all special-purpose software, and the inseparable of industrial camera is constituted together with camera hardware
Every some, user buy industrial camera when, it is only necessary to buy the image data collection system of industrial camera, then
Install and use, when in use, the random application software brought is installed using a special PC and forms image data processing system, make
The PC of this image processing system is communicated by network service or other manner with industrial camera, is obtained and is taken a picture by industry
The view data of machine collection is processed, and then the result after treatment is exported by the expansion interface of PC carries out industrial use.
The need for such industrial camera can not increasingly meet market, requirement of the existing market to industrial camera is directly from work
The data for producing industrial use to need in the output interface of industry camera, but adopted there is presently no the view data for so both having included
Collecting system includes the intelligent camera of image data processing system again.
The content of the invention
Image data acquiring and image procossing are integrated into smart camera it is an object of the invention to provide one kind, the phase
Machine employs the image processing system of X86-based, and one is installed along with the image data collection system being integrated into FPGA
Casing is in.
The technical scheme is that：A kind of intelligent industrial camera, including it is arranged on the image data acquiring system in casing
System, described image data collection system includes imageing sensor, image data buffer, front-end image data processor and figure
As data output controller；The view data of described imageing sensor capture enter described image data buffer caching with
Afterwards, processed by described front-end image data processor, described view data o controller output；In described machine
Also include image data processing system in shell, described image data processing system is the X86 framves with PCI Express buses
The image data processing system of structure includes X86CPU and bridge chip, internal memory, and described X86CPU and bridge chip, internal memory are by PCI
Express buses are connected with each other；Also set in the output end of the view data o controller of described image data collection system
PCIE interface modules and dma controller are equipped with, described PCIE interface modules pack described view data o controller
The view data of output is converted into PCI Express bus datas and enters into described image data processing system, described DMA
The view data of view data o controller packing output is sent to PCIE interface modules and is converted into PCI by controller
Express bus datas, by PCI Express buses, are transferred in image data processing system internal memory.
Further, in above-mentioned intelligent industrial camera：Described image data processing system uses INTEL atom E6 systems
The CPU of row and corresponding EG20T bridge chips.
Further, in above-mentioned intelligent industrial camera：It is additionally provided with described image data processing system and is shown
Show the interface of device, access the interface of computer network, and RS232 interfaces, USB interface, GPIO interface.
Further, in above-mentioned intelligent industrial camera：Described image data collection system is arranged in a FPGA.
Industrial camera of the invention by image data collection system and image data processing system integrally, and simple structure
It is easily achieved.
The present invention is described in more detail with reference to specific embodiment.
Brief description of the drawings
The structure (one) of the intelligent camera of Fig. 1 embodiment of the present invention 1.
The structure (two) of the intelligent camera of Fig. 2 embodiment of the present invention 1.
Fig. 3 is the interface of the intelligent camera of inventive embodiments 1.
Specific embodiment
As shown in Figure 1 and Figure 2, the present embodiment is a kind of smart camera to embodiment 1, and industry is carried out using this intelligent camera
Control, can directly export the treated view data that Industry Control or other side are used, the photograph in the present embodiment
Camera hardware part includes the picture number of the industrial camera for using at present and a PC composition for being exclusively used in processing view data
According to processing system, in the present embodiment, both are combined.As shown in Fig. 2 in intelligent camera casing in the present embodiment
Two parts of image capturing system and image data processing system are installed, wherein, image capturing system is approximately equivalent to mesh
The industrial camera of preceding in the market, it is responsible for capture images, forms the view data of a frame frame, including as imageing sensor work
Industry camera gun, the image data buffer that the DID that camera lens is gathered is cached at present, is taken a picture in industry
Machine is also required to carry out preliminary treatment to view data for the view data of outputting standard, mainly to the initial data defect of image
Treatment and optimization, including bad point reparation, color conversion, colour correction etc., these are completed by front-end image data processor, this
Sample can form image data file and be saved in inside industrial camera by the view data after the treatment of front end data processor
Storage card or by view data o controller pack export.In the present embodiment, image is also being included also in casing
Data handling system, image data processing system is that the image data processing system of the X86-based with PCI EXPRESS includes
X86CPU and bridge chip, internal memory, X86CPU and bridge chip, internal memory are connected with each other by PCI EXPRESS；In image data acquiring
The output end of the view data o controller of system is additionally provided with PCIE and dma controller, and PCIE is by described view data
The view data of o controller packing output is converted into PCI EXPRESS data and enters into image data processing system, DMA
Be directly inputted to the view data that described PCIE is converted into after PCI EXPRESS data at described view data by controller
In reason Installed System Memory.
In the present embodiment, image data processing system uses the X86-based with PCI EXPRESS, CPU selections
The maximum feature of intel atoms E6 series CPU, this CPU is low in energy consumption, and its maximum heat dissipation design power consumption is right at 4.5 watts
The bridge chip answered is EG20T, and maximum heat dissipation design power consumption is done at view data using a PC in addition at present relatively at 1.5 watts
Tens watts of reason system, it is much lower.Circuit simplifies the interface that a large amount of cameras are not required to, and a network interface is only stayed in outside, and one shows
Show VGA, two USB ports, a RS232 serial ports, and 5 I/O ports.With the image in some current industrial sample embodiments
Acquisition system part is integrated into a FPGA, and using FPGA structure as shown in Figure 2 general at present, selection
Altera cyclone forth generations low-power consumption series.E6 series CPU and EG20T is power consumption the best part, this two device in structure
Part is directly contacted with shell, and shell uses metal material, is acted on as heat sink.Shell simultaneously has small fan.Can effectively shed
Heat.
The processor used in the present FPGA of current industrial camera typically uses special DSP, is that data directly connect
To DSP devices, speed is not high, and the disposal ability of DSP is also limited.In addition, industrial camera and computer connection are usually network interface at present
And USB port, this is two separate things.Reliability and less efficient.
The intelligent camera of the present embodiment is integrated equivalent to current general camera and computer together, former industrial camera part
Directly as a part for computer system, using DMA transfer during do not need CPU participate in, reduce CPU usage.
It should be that X86 is general as computer, easy-to-use that the x86 used in the present embodiment is different with DSP maximums, facilitate user two
Secondary exploitation.Using low-power consumption atom series, with GPU, without outside video card, using the solid state hard disc of Mini-PCIE interfaces.Respectively
Plant interface section signal and use aerospace connectors.Data acquisition packing is directly connected using the FPGA with PCI-Express stones
Onto x86 systems, peripheral components are reduced, shorten data transfer path.Industrial camera general at present connects computer, typically connects net
Mouthful, will be by network interface card, then to PCI-Express, data transfer will have data to pack on network interface card, unpack.
In the present embodiment, PCIE (PCI Express) is driven based on WDK exploitations, supports Windows Xp and above system
System, deposits operating system application layer image memory and maps directly to the kernel spacing of operating system, and creates DMA transfer chained list,
DMA transfer, and the treatment after being transmitted are initiated, in the transmitting procedure of whole image data, no data copy improves number
According to efficiency of transmission, reduce CPU utilization rate.Drive and create two I/O Request queues, a view data for being used for application layer
I/O Request, another is used to control I/O Request, can avoid the obstruction of I/O Request, improves the response to image request.
The intelligent camera of the present embodiment has following features：
In the present embodiment, view data is processed by FPGA and packed, by PCI-Express buses and DMA transfer, number
According to the internal memory for being transmitted directly to cpu system.Efficiency of transmission is high, is not take up cpu resource, and the performance of CPU can fully leave image for
Treatment calculating is used.
X86 systems use intel atoms E6 series CPU, and power consumption only has several watts, and dominant frequency 1.6G, integrated GPU, performance is enough
The application of normal image treatment.
Because X86-based is a general framework, therefore, abundant interface, including display, net can be connected thereon
Mouthful, RS232, USB, GPIO mouthful.Conveniently can be connected and communicate with the equipment such as external world PLC.Connected using aviation on interface hardware
Device, it is reliable and stable.Block diagram is as shown in Figure 3.
Claims (4)
1. a kind of intelligent industrial camera, including the image data collection system in casing is arranged on, described image data acquiring
System includes imageing sensor, image data buffer, the initial data defect processing of image and optimization, including bad point is repaiied
It is multiple, color conversion, the front-end image data processor and view data o controller of colour correction；Described imageing sensor
The view data of capture enters after described image data buffer caching, is carried out by described front-end image data processor
Treatment, described view data o controller output；It is characterized in that：Also include image real time transfer in described casing
System, described image data processing system is the image data processing system of the X86-based with PCI Express buses,
Including X86CPU and bridge chip, internal memory, described X86CPU and bridge chip, internal memory are connected with each other by PCI Express buses；
The output end of the view data o controller of described image data collection system is additionally provided with PCIE interface modules and DMA controls
The view data of described view data o controller packing output is converted into PCI by device processed, described PCIE interface modules
Express bus datas enter into described image data processing system, and described dma controller is by view data output control
The view data of device packing output, is sent to PCIE interface modules and is converted into PCI Express bus datas, by PCI
Express buses, are transferred in image data processing system internal memory.
2. intelligent industrial camera according to claim 1, it is characterised in that：Described image data processing system is used
The CPU and corresponding EG20T bridge chips of INTEL atoms E6 series.
3. intelligent industrial camera according to claim 2, it is characterised in that：On described image data processing system also
The interface with display is provided with, the interface of computer network, and RS232 interfaces, USB interface, GPIO interface is accessed.
4. intelligent industrial camera according to claim 1, it is characterised in that：Described image data collection system is arranged on
In one FPGA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410065973.3A CN103780819B (en) | 2014-02-26 | 2014-02-26 | Intelligent industrial camera |
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| CN201410065973.3A CN103780819B (en) | 2014-02-26 | 2014-02-26 | Intelligent industrial camera |
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| CN103780819A CN103780819A (en) | 2014-05-07 |
| CN103780819B true CN103780819B (en) | 2017-05-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472225A (en) * | 2016-01-14 | 2016-04-06 | 福州觉感视觉软件科技有限公司 | Intelligent camera capable of replacing modules |
| CN105578012B (en) * | 2016-02-04 | 2018-11-16 | 福建福光股份有限公司 | High-performance embedded camera system based on the general cpu of X86 platform |
| EP3537707B1 (en) * | 2018-03-06 | 2021-07-28 | B&R Industrial Automation GmbH | Camera core of a smart camera for the industrial processing of images and a method for industrial image processing |
| CN108600616A (en) * | 2018-04-04 | 2018-09-28 | 深圳市极酷威视科技有限公司 | A kind of video stabilization system and video acquisition equipment based on RTP frame synchronization |
| CN109525768A (en) * | 2018-12-29 | 2019-03-26 | 深圳市卓信创驰技术有限公司 | A kind of industrial camera |
| CN113791995B (en) * | 2021-09-10 | 2024-03-15 | 南京天兴通电子科技有限公司 | DMA image caching system based on FPGA platform |
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| CN101146179A (en) * | 2006-09-14 | 2008-03-19 | 佳能株式会社 | Image display apparatus, image capturing apparatus, and image display method |
| CN101184167A (en) * | 2007-12-14 | 2008-05-21 | 西安交通大学 | Industry intelligent camera |
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Inventor after: Chen Fajun Inventor after: Li Li Inventor after: Wang Zhihua Inventor after: Zhang Keyu Inventor after: Guo Hongguo Inventor before: Li Li |
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