CN108924460A - A kind of image data acquiring box and image capturing system - Google Patents

A kind of image data acquiring box and image capturing system Download PDF

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Publication number
CN108924460A
CN108924460A CN201810639183.XA CN201810639183A CN108924460A CN 108924460 A CN108924460 A CN 108924460A CN 201810639183 A CN201810639183 A CN 201810639183A CN 108924460 A CN108924460 A CN 108924460A
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CN
China
Prior art keywords
chip
interface
data
image data
module
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.)
Pending
Application number
CN201810639183.XA
Other languages
Chinese (zh)
Inventor
温志刚
陈小来
冯向朋
刘学斌
刘宏
魏文鹏
刘永征
闫鹏
孔亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XiAn Institute of Optics and Precision Mechanics of CAS
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XiAn Institute of Optics and Precision Mechanics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by XiAn Institute of Optics and Precision Mechanics of CAS filed Critical XiAn Institute of Optics and Precision Mechanics of CAS
Priority to CN201810639183.XA priority Critical patent/CN108924460A/en
Publication of CN108924460A publication Critical patent/CN108924460A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/765Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668Details of memory controller
    • G06F13/1673Details of memory controller using buffers
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4286Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0002Serial port, e.g. RS232C
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042Universal serial bus [USB]

Abstract

The present invention relates to a kind of image data acquiring box and image capturing systems.The problem of not readily portable and installations such as capture card is inserted into large-scale peripheral hardware PC machine, and bring volume is excessive, wiring is more must be relied on which solve existing acquisition equipment.The system includes fpga chip, DDR2 storage chip, USB3.0 interface chip, USB connector, Camera-Link interface chip and Camera-Link interface;The external external camera of Camera-Link interface, and connect by Camera-Link interface chip with fpga chip, DDR2 storage chip is mutually communicated with fpga chip, and USB connector is connect with peripheral hardware PC machine, and is connect by USB3.0 interface chip with fpga chip.

Description

A kind of image data acquiring box and image capturing system
Technical field
The invention belongs to data acquisition technology field, it is related to a kind of image data acquiring box and image capturing system.
Background technique
Current most imaging systems are ground using electrical interface output number or the image data of simulation in imaging system It makes and in use, image data acquiring and display are an essential rings.How fast and accurately to acquire and show imaging The data of system output, have great importance to imaging system development, guarantee the stability of acquisition system, reliability and in real time Property be develop an imaging system premise.In addition, acquisition in real time and display system also provide one visually for imaging system The application environment of change.
The capture card that existing most of acquisition systems are inserted into PC machine mainboard by one converts PCIE for camera interface and connects Mouthful, to realize acquisition of the PC machine to camera output data.Although PCIE interface bandwidth can be guaranteed, ligand is needed The bigger Desktop PC host of product, also needs plus PC machine peripheral hardware, leading to acquisition system, volume is relatively large, and wiring is more, is doing It is excessively heavy when field trial, it is not easy to carry.
And it is existing in such a way that capture card is acquired, auxiliary data relevant to image data can not be provided, And these auxiliary datas are also required for some users.
Summary of the invention
In order to solve the problems in background technique, the present invention devises a kind of using the image based on USB3.0 connector Data acquisition box, solves existing acquisition equipment and must rely on capture card and be inserted into large-scale peripheral hardware PC machine, bring volume The problem of excessive, not readily portable and installation such as wiring is more.
Meanwhile it being also based on above-mentioned image data acquiring box, propose a kind of portable notes of image data acquiring box cooperation The image data collection system of this computer.
The specific technical solution of the present invention is:
A kind of image data acquiring box, it is characterised in that:Including fpga chip, DDR2 storage chip, USB3.0 interface core Piece, USB connector, Camera-Link interface chip and Camera-Link interface;
The external external camera of Camera-Link interface, and connect by Camera-Link interface chip with fpga chip, DDR2 storage chip is mutually communicated with fpga chip, and USB connector is connect with peripheral hardware PC machine, and by USB interface chip with Fpga chip connection.
Further, which further includes RS485 chip and RS485 interface;RS485 interface passes through RS485 chip It is connect with fpga chip, for uploading image auxiliary data;Described image auxiliary data includes frame head mark, frame count, image Line number, picturewide and pixel digit.
Further, which further includes spare interface resource chip and spare interface;Spare interface passes through reserved Interface resource chip is connect with fpga chip, for realizing different types of camera interface is connected.
Further, USB connector includes that the USB3.0 interface for being used for transmission image data and one are used for outward If the USB2.0 interface of PC machine power supply.
Further, which further includes power management module;USB2.0 interface is connect with power management module.
Further, the program module run in the fpga chip includes image data receiving module, data framing mould Block, data buffering writing module, MIG controller, data buffering read module and USB interface tfi module;
Image data receiving module connect and is used for Camera-Link interface chip and spare interface resource chip respectively Receive the image data of external camera;
Assistance data reception module connect the assistant images number for receiving external camera offer with RS485 interface chip According to;
Data framing module receives the image data that image data receiving module is sent and assistance data reception module hair After the assistant images data sent, by the splicing of each assistant images data before each frame image data, a data are formed Packet;
The data packet is written in DDR2 storage chip by MIG controller and is cached by data buffering writing module;
Data buffering, which reads module and reads MIG controller out of DDR2 storage chip, data cached is sent to USB interface Tfi module;
USB interface tfi module sends data to laptop according to the timing requirements of USB3.0 interface chip.
Based on above-mentioned image data acquiring box, the structure of the image capturing system using the image data acquiring box is now provided Description, which includes above-mentioned image data acquiring box and laptop;Image data acquiring box passes through USB3.0 connection Line and laptop realize mutually communication.
The beneficial effects of the invention are as follows:
1, image data acquiring box of the invention by by fpga chip, DDR2 storage chip, USB3.0 interface chip, USB connector, the mode of Camera-Link interface chip and Camera-Link Interface integration together, not only bandwidth meets The real-time acquisition requirement of most of camera image data, while USB3.0 interface has the characteristics that small in size and versatile, benefit In the miniaturization of system and the exploitation of acquisition software, while the image capturing system of existing PC machine and capture card form is compared, Acquisition system of the invention is easy to carry.
2, RS485 chip and RS485 interface are equipped in image data acquiring box of the invention for uploading visual aids Data further improve comprehensive, the various requirement suitable for user of data acquisition.
3, it is equipped with spare interface resource chip and spare interface in image data acquiring box of the invention, realizes inhomogeneity The camera of type can be used image data acquiring box of the invention and be acquired, and improve the applicable model of image data acquiring box It encloses.
Detailed description of the invention
Fig. 1 is the system diagram of image capturing system in the present invention;
Fig. 2 is the structure principle chart of image data acquiring box;
Fig. 3 is the display interface schematic diagram of image data and image auxiliary data on laptop.
Specific embodiment
The present invention passes through a kind of specific embodiment of image capturing system, the present invention is described in detail, such as Fig. 1 institute Show.
Camera is attached by image data acquiring box with laptop.
Image data and image auxiliary data are transferred to image data acquiring box by camera, and image data acquiring box receives number External laptop is transferred to by USB3.0 interface according to rear, the acquisition software display image data reconciliation in laptop Analyse auxiliary data.
1, image data acquiring box
As shown in Fig. 2, image data acquiring box of the invention, using fpga chip as master devices, realize data reception, Conditioning and output.
Image data acquiring box specific structure includes fpga chip, DDR2 storage chip, USB3.0 interface chip, USB company Connect device, Camera-Link interface chip, Camera-Link interface, RS485 chip, RS485 interface, spare interface resource core Piece, spare interface and power management module;
The external external camera of Camera-Link interface, and connect by Camera-Link interface chip with fpga chip, DDR2 storage chip is mutually communicated with fpga chip, and USB connector is connect with peripheral hardware PC machine, and by USB3.0 interface chip with Fpga chip connection.
RS485 interface is connect by RS485 chip with fpga chip, for uploading image auxiliary data;Described image is auxiliary Helping data includes frame header knowledge, frame count, picturedeep, picturewide and pixel digit.
Spare interface is connect by spare interface resource chip with fpga chip, for realizing different types of camera is connected Interface.
USB connector includes that the USB3.0 interface for being used for transmission image data and one are used to power to peripheral hardware PC machine USB2.0 interface, USB2.0 interface connect with power management module.
Specifically, the program module run in fpga chip includes image data receiving module, data framing module, number Module and USB interface tfi module are read according to buffering writing module, MIG controller, data buffering;
Image data receiving module connect and is used for Camera-Link interface chip and spare interface resource chip respectively Receive the image data of external camera;
Assistance data reception module connect the assistant images number provided for receiving outer external camera with RS485 interface chip According to;
Data framing module receives the image data that image data receiving module is sent and assistance data reception module hair After the assistant images data sent, by the splicing of each assistant images data before each frame image data, a data are formed Packet;
The data packet is written in DDR2 storage chip by MIG controller and is cached by data buffering writing module;
Data buffering, which reads module and reads MIG controller out of DDR2 storage chip, data cached is sent to USB interface Tfi module;
USB interface tfi module sends data to laptop according to the timing requirements of USB3.0 interface chip.
Need to stress is:
1, USB interface
USB3.0 interface is used between image data acquiring box and laptop, bandwidth meets most of camera image number According to real-time acquisition requirement.In addition, USB3.0 have the characteristics that it is small in size and versatile, conducive to the miniaturization and acquisition of system The exploitation of software.
USB3.0 interface transmission data is used between image data acquiring box and laptop, in addition increases one only The USB interface of function of supplying power carries out auxiliary power supply interface.Image data acquiring box is powered using 5V in the present invention, and measured current Less than 1A, USB3.0 interface can provide the power supply of 5V/900mA, and USB2.0 can provide the power supply of 5V/500mA, image data The connection relationship that USB3.0+USB3.0 or USB3.0+USB2.0 is used between collecting cassette and laptop can be picture number It is worked normally according to collecting cassette and enough power reguirements is provided.
2, data receiver interface
More common Camera-Link interface image data, RS485 interface image are used in the present invention Auxiliary data.
3, data store
The data of USB3.0 interface be transmitted as it is paroxysmal, and camera output interface be it is continuous continual, need big face Long-pending memory space carries out data buffer storage, prevents loss of data.Use DDR2 storage chip as memory in present system Part provides data buffer storage for USB3.0 acquisition.DDR2 storage chip has the characteristics that memory space is big, read or write speed is fast, uses MIG (Memory Interface Generator) in Xilinx company FPGA can be realized the read-write to DDR2.
4, acquisition software
Acquisition software is installed on laptop, realizes the parsing of the acquisition of data, the display of image and auxiliary data. As shown in Figure 3:Including acquisition control region, parameter setting region, acquisition image display area, image auxiliary data region and Log Window region;
(1) acquisition control region realizes the preservation function of beginning, stopping and data that data acquire.
(2) parameter setting region realizes the basic setup function of acquiring preceding some parameters, the size (line number including image × columns), pixel digit and scanning mode etc..
(3) image of acquisition image display area real-time display acquisition.
(4) auxiliary data area shows definition and the numerical value of the auxiliary data parsed, has in addition also reserved multiple Auxiliary data facilitates its meaning of user's self-defining.
(5) operation such as Log Window regional record acquisition software dynamic, including beginning, stopping, setting parameter and The mistake and failure that may occur.

Claims (7)

1. a kind of image data acquiring box, it is characterised in that:Including fpga chip, DDR2 storage chip, USB3.0 interface chip, USB connector, Camera-Link interface chip and Camera-Link interface;
The external external camera of Camera-Link interface, and connect by Camera-Link interface chip with fpga chip, DDR2 Storage chip is mutually communicated with fpga chip, and USB connector is connect with peripheral hardware PC machine, and passes through USB3.0 interface chip and FPGA Chip connection.
2. image data acquiring box according to claim 1, it is characterised in that:It further include that RS485 chip and RS485 connect Mouthful;RS485 interface is connect by RS485 chip with fpga chip, for uploading image auxiliary data;Described image auxiliary data Including frame head mark, frame count, picturedeep, picturewide and pixel digit.
3. image data acquiring box according to claim 2, it is characterised in that:Further include spare interface resource chip and Spare interface;Spare interface is connect by spare interface resource chip with fpga chip, for realizing different types of phase is connected Machine interface.
4. image data acquiring box according to claim 3, it is characterised in that:USB connector includes one and is used for transmission The USB3.0 interface of image data and a USB2.0 interface for powering to peripheral hardware PC machine.
5. image data acquiring box according to claim 4, it is characterised in that:It further include power management module;USB2.0 Interface is connect with power management module.
6. image data acquiring box according to claim 5, it is characterised in that:The program mould run in the fpga chip Block includes image data receiving module, data framing module, data buffering writing module, MIG controller, data buffering reading mould Block and USB interface tfi module;
Image data receiving module is connect with Camera-Link interface chip and spare interface resource chip for receiving respectively The image data of external camera;
Assistance data reception module connect the assistant images data for receiving external camera offer with RS485 interface chip;
What the image data and assistance data reception module that data framing module reception image data receiving module is sent were sent After assistant images data, by the splicing of each assistant images data before each frame image data, a data packet is formed;
The data packet is written in DDR2 storage chip by MIG controller and is cached by data buffering writing module;
Data buffering, which reads module and reads MIG controller out of DDR2 storage chip, data cached is sent to USB interface timing Module;
USB interface tfi module sends data to laptop according to the timing requirements of USB3.0 interface chip.
7. a kind of image capturing system, it is characterised in that:Including image data acquiring box as claimed in claim 6 and notes This computer;Described image data acquisition box realizes mutually communication by USB3.0 connecting line and laptop.
CN201810639183.XA 2018-06-20 2018-06-20 A kind of image data acquiring box and image capturing system Pending CN108924460A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109756642A (en) * 2018-12-28 2019-05-14 中科院成都信息技术股份有限公司 The control method and ballot paper image capturing system of ballot paper image capturing system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020041757A1 (en) * 2000-08-29 2002-04-11 Toshiya Takahashi Auxiliary information generation method, auxiliary information generation apparatus, video data generation method, video data playback method, video data playback apparatus, and data storage medium
CN101572779A (en) * 2009-05-31 2009-11-04 西安空间无线电技术研究所 CCD image data and auxiliary data transmission method and transmission device
CN102116643A (en) * 2010-12-14 2011-07-06 中国科学院长春光学精密机械与物理研究所 Image simulation and display device for space camera with high resolution and wide coverage
CN103986869A (en) * 2014-05-22 2014-08-13 中国科学院长春光学精密机械与物理研究所 Image collecting and displaying device of high-speed TDICCD remote sensing camera
CN203799371U (en) * 2014-02-24 2014-08-27 北京空间机电研究所 High-speed image data storage device for small unmanned aerial vehicle
CN104154997A (en) * 2014-07-16 2014-11-19 北京空间机电研究所 Unmanned aerial vehicle mounted light and small-sized self-stabilized flight multispectral imaging system
CN104378560A (en) * 2014-10-16 2015-02-25 苏州佑瑞检测技术有限公司 Graph collecting system based on CMOS camera
CN105120235A (en) * 2015-09-17 2015-12-02 合肥埃科光电科技有限公司 Industrial image collection system based on USB 3.0 interface, and image collection processing method of industrial image collection system
CN106454023A (en) * 2016-09-07 2017-02-22 北京凯视佳光电设备有限公司 USB3.0 CMOS linear array industrial camera
CN106713804A (en) * 2016-10-24 2017-05-24 华中光电技术研究所(中国船舶重工集团公司第七七研究所) Three-channel image transmission interface conversion device and method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020041757A1 (en) * 2000-08-29 2002-04-11 Toshiya Takahashi Auxiliary information generation method, auxiliary information generation apparatus, video data generation method, video data playback method, video data playback apparatus, and data storage medium
CN101572779A (en) * 2009-05-31 2009-11-04 西安空间无线电技术研究所 CCD image data and auxiliary data transmission method and transmission device
CN102116643A (en) * 2010-12-14 2011-07-06 中国科学院长春光学精密机械与物理研究所 Image simulation and display device for space camera with high resolution and wide coverage
CN203799371U (en) * 2014-02-24 2014-08-27 北京空间机电研究所 High-speed image data storage device for small unmanned aerial vehicle
CN103986869A (en) * 2014-05-22 2014-08-13 中国科学院长春光学精密机械与物理研究所 Image collecting and displaying device of high-speed TDICCD remote sensing camera
CN104154997A (en) * 2014-07-16 2014-11-19 北京空间机电研究所 Unmanned aerial vehicle mounted light and small-sized self-stabilized flight multispectral imaging system
CN104378560A (en) * 2014-10-16 2015-02-25 苏州佑瑞检测技术有限公司 Graph collecting system based on CMOS camera
CN105120235A (en) * 2015-09-17 2015-12-02 合肥埃科光电科技有限公司 Industrial image collection system based on USB 3.0 interface, and image collection processing method of industrial image collection system
CN106454023A (en) * 2016-09-07 2017-02-22 北京凯视佳光电设备有限公司 USB3.0 CMOS linear array industrial camera
CN106713804A (en) * 2016-10-24 2017-05-24 华中光电技术研究所(中国船舶重工集团公司第七七研究所) Three-channel image transmission interface conversion device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109756642A (en) * 2018-12-28 2019-05-14 中科院成都信息技术股份有限公司 The control method and ballot paper image capturing system of ballot paper image capturing system

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Application publication date: 20181130