CN207443037U - A kind of video monitoring system based on FPGA - Google Patents
A kind of video monitoring system based on FPGA Download PDFInfo
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- CN207443037U CN207443037U CN201721182913.5U CN201721182913U CN207443037U CN 207443037 U CN207443037 U CN 207443037U CN 201721182913 U CN201721182913 U CN 201721182913U CN 207443037 U CN207443037 U CN 207443037U
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Abstract
The utility model discloses a kind of video monitoring system based on FPGA, which includes video acquisition unit, storage unit, Ethernet interface unit, processor, Video Quality Metric unit, video display unit and USB interface.The system adds peripheral circuit to build system using monolithic FPGA, and system design is simple, at low cost.Secondly, the processing for video realizes that treatment effeciency is high with fast and efficiently hardware description language, and is then realized for the function of the complex tall buildings such as network transmission time using embedded soft-core processor.Both combines exploitation so that system development costs reduce, and the design cycle shortens.
Description
Technical field
The utility model is related to technical field of temperature control more particularly to a kind of video monitoring systems based on FPGA.
Background technology
With the rapid development of network, communication, multimedia technology and microelectric technique, video monitoring system is got over
To be more widely applied.It is regarded with the rapid raising and various practicalities of network bandwidth, computer process ability and storage device
The appearance of the frequency information processing technology, video monitoring enter the cybertimes of total digitalization, are known as third generation video monitoring system,
I.e. digital video monitoring system or network digital surveillance.Third generation video monitoring system is using network to rely on, with number
Compression, storage, the broadcasting of video are core, using the graphical analysis of Intelligent practical as characteristic, have triggered the skill of Video Surveillance Industry
Art revolution.
Third generation video monitoring system makes monitoring reach a new height, with good cost advantage and stalwartness
Scalability.Need not be that newly-built monitoring system is laid with optical cable, increases equipment, easily using existing Internet resources
Realize monitoring remote video；System extended capability is strong, as long as have network place increase monitoring point device extend it is new
Monitoring point；Maintenance cost is low, system function is powerful, utilizes flexible, totally digitilized preservation and retrieval.Each meter in a network
Calculation machine, as long as being mounted with client software, monitor workstation can be become by giving corresponding permission.This, which has become, is badly in need of what is solved
Problem.
Utility model content
The utility model proposes a kind of video monitoring system based on FPGA, which adds peripheral electricity using monolithic FPGA
Road builds system, and system design is simple, at low cost.Secondly, the processing for video, with fast and efficiently hardware description language
It realizes, treatment effeciency is high, and is then realized for the function of the complex tall buildings such as network transmission time using embedded soft-core processor.This two
Person combines exploitation so that system development costs reduce, and the design cycle shortens.
Technical solution is as follows used by the utility model：
A kind of video monitoring system based on FPGA, the video monitoring system include video acquisition unit, storage unit, with
Too network interface unit, processor, Video Quality Metric unit, video display unit and USB interface, it is characterised in that：
Processor is shown respectively with video acquisition unit, storage unit, Ethernet interface unit, Video Quality Metric unit, video
Show that unit is connected, video acquisition unit carries out analog-to-digital conversion to the analog video data collected, and transformed data are sent out
Give processor, processor will treated that video data is sent respectively to storage unit stores, and is sent to Ethernet and connects
Mouth unit carries out the transmission of video data, is sent to after Video Quality Metric unit carries out digital-to-analogue conversion and is transmitted further to USB interface, sends
It is shown to video display unit；
The video acquisition unit uses video capture processor ADV7181, which passes through SCLK, SDA two
Root string line configures the register of ADV7181 with I2C buses, and after the completion of configuration, the chip is to the analog video of input
Video decoding is carried out, output meets the YCrCb 4 of CCIR656 standards:2:2 video datas, the video acquisition unit is by camera
The analog video data that acquisition is come in is converted to digital of digital video data, and obtains corresponding video control signal.
Preferably, the processor uses fpga chip EP2C35F672C6.
Preferably, the Video Quality Metric unit uses modulus conversion chip ADV7123.
The technical solution of the utility model, which can be obtained advantageous effect, to be included：First, peripheral electricity is added using monolithic FPGA
Road builds system, and system design is simple, at low cost.Secondly, the processing for video, with fast and efficiently hardware description language
It realizes, treatment effeciency is high, and is then realized for the function of the complex tall buildings such as network transmission time using embedded soft-core processor.This two
Person combines exploitation so that system development costs reduce, and the design cycle shortens.
Description of the drawings
Fig. 1 is the circuit diagram of the video monitoring system based on FPGA；
Fig. 2 is the circuit diagram of Video Quality Metric unit.
Specific embodiment
In order to better illustrate the utility model, in conjunction with specific embodiment and Figure of description technical solution is made into
The explanation of one step.Although having recorded these specific embodiments in embodiment, so it is not limited to the utility model, appoints
What those of ordinary skill in the art, without departing from the spirit and scope of the utility model, when can make a little
It changes and retouches, therefore the scope of protection of the utility model is when subject to those as defined in claim.
The video monitoring system of the utility model is based on FPGA, is broadly divided into two parts：First portion utilizes hardware
Description language realizes video acquisition, and video VGA is shown, video compress, video buffer storage.Second portion, it is embedded in FPGA
The soft cores of Nios II, will be in the video data transmission compressed of buffering area to network by the soft nuclear control of Nios II.This is based on
The theory of constitution figure of the video monitoring system of FPGA is as shown in Figure 1.The video monitoring system includes video acquisition unit, storage list
Member, Ethernet interface unit, processor, Video Quality Metric unit, video display unit and USB interface.
Processor is shown respectively with video acquisition unit, storage unit, Ethernet interface unit, Video Quality Metric unit, video
Show that unit is connected, video acquisition unit carries out analog-to-digital conversion to the analog video data collected, and transformed data are sent out
Give processor, processor will treated that video data is sent respectively to storage unit stores, and is sent to Ethernet and connects
Mouth unit carries out the transmission of video data, is sent to after Video Quality Metric unit carries out digital-to-analogue conversion and is transmitted further to USB interface, sends
It is shown to video display unit.
The video acquisition unit uses video capture processor ADV7181, which passes through SCLK, SDA two
Root string line configures the register of ADV7181 with I2C buses, and after the completion of configuration, the chip is to the analog video of input
Video decoding is carried out, output meets the YCrCb 4 of CCIR656 standards:2:2 video datas, the video acquisition unit is by camera
The analog video data that acquisition is come in is converted to digital of digital video data, and obtains corresponding video control signal.The processor
Using fpga chip EP2C35F672C6.
Fig. 2 is the circuit diagram of Video Quality Metric unit.The Video Quality Metric unit uses modulus conversion chip ADV7123
As audio D/A converter.ADV7123 is three tunnels high speed, 10 audio D/A converters inputted, and the maximum with 330MHz is adopted
Sample speed, it is compatible with a variety of high-precision display systems, including RS-343A and RS-170, can be widely applied to as HDT V,
Digital Video System (1600*1200@100Hz), the processing of high-resolution color picture image, vision signal reproduction etc., therefore
It disclosure satisfy that our many-sided application demands.Three tunnel simulation outputs are generated by ADV7123, it is complete in combination with row field sync signal
Into the display of image.ADV7123 is easy to use, but in order to avoid design, operational error, and optimum efficiency is obtained, hard
It is still needed in part circuit design it is noted that following problem：IOR, IOG, I OB signal are respectively red, the green, electric current of blue channel
Positive output terminal.
The scope of protection of the utility model is not limited to the above embodiments, it is clear that those skilled in the art can be right
The present invention carries out various changes and deformation without departing from scope and spirit of the present invention.If these changes and deformation belong to this reality
In the range of new claim and its equivalent technologies, then the intention of the utility model also comprising these changes and deforms
It is interior.
Claims (3)
1. a kind of video monitoring system based on FPGA, which includes video acquisition unit, storage unit, ether
Network interface unit, processor, Video Quality Metric unit, video display unit and USB interface, it is characterised in that：
Processor is single with video acquisition unit, storage unit, Ethernet interface unit, Video Quality Metric unit, video display respectively
Member is connected, and video acquisition unit carries out analog-to-digital conversion to the analog video data collected, and transformed data sending is given
Processor, processor will treated that video data is sent respectively to storage unit stores, and is sent to Ethernet interface list
Member carries out the transmission of video data, is sent to after Video Quality Metric unit carries out digital-to-analogue conversion and is transmitted further to USB interface, is sent to and regards
Frequency display unit is shown；
The video acquisition unit uses video capture processor ADV7181, which passes through two strings of SCLK, SDA
Line configures the register of ADV7181 with I2C buses, and after the completion of configuration, which carries out the analog video of input
Video decodes, and output meets the YCrCb 4 of CCIR656 standards:2:2 video datas, the video acquisition unit gather camera
The analog video data come in is converted to digital of digital video data, and obtains corresponding video control signal；
The soft cores of embedded Nios II in FPGA.
2. video monitoring system according to claim 1, it is characterised in that：The processor uses fpga chip
EP2C35F672C6。
3. video monitoring system according to claim 1, it is characterised in that：The Video Quality Metric unit uses analog-to-digital conversion
Chip ADV7123.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721182913.5U CN207443037U (en) | 2017-09-14 | 2017-09-14 | A kind of video monitoring system based on FPGA |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721182913.5U CN207443037U (en) | 2017-09-14 | 2017-09-14 | A kind of video monitoring system based on FPGA |
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| CN207443037U true CN207443037U (en) | 2018-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083416A (en) * | 2018-10-19 | 2020-04-28 | 杭州海康威视数字技术股份有限公司 | Data processing method and device, electronic equipment and readable storage medium |
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2017
- 2017-09-14 CN CN201721182913.5U patent/CN207443037U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083416A (en) * | 2018-10-19 | 2020-04-28 | 杭州海康威视数字技术股份有限公司 | Data processing method and device, electronic equipment and readable storage medium |
| CN111083416B (en) * | 2018-10-19 | 2021-04-27 | 杭州海康威视数字技术股份有限公司 | Data processing method and device, electronic equipment and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190124 Address after: Room 3658, 3rd floor, 2879 Longteng Avenue, Xuhui District, Shanghai, 2002 Patentee after: Optical Control Teslian (Shanghai) Information Technology Co., Ltd. Address before: 100034 Xicheng District Xicheng District Xizhimen South Street, Beijing, 1st floor-107 Patentee before: Benitez Lian (Beijing) Technology Co. Ltd. |
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| TR01 | Transfer of patent right |