CN106507057A - A kind of high speed image Transmission system for being applied to UAS - Google Patents
A kind of high speed image Transmission system for being applied to UAS Download PDFInfo
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- CN106507057A CN106507057A CN201611093932.0A CN201611093932A CN106507057A CN 106507057 A CN106507057 A CN 106507057A CN 201611093932 A CN201611093932 A CN 201611093932A CN 106507057 A CN106507057 A CN 106507057A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The present invention provides a kind of high speed image Transmission system for being applied to UAS, and including unmanned plane signal sending system component and ground signal receiving unit, unmanned plane signal sending system component includes high definition motion cameras and transmitter；Transmitter includes H264 coding units and the transmitting antenna for transmission signal；Ground signal receiving unit includes controller, signal receiving antenna, H264 decoding units, high-definition display screen and code encoder；Before H264 decoding units are decoded process, code encoder compiles out the code needed for decoding process in advance, journey is treated using compiled code directly when H264 decoding units are decoded process, some variables in the middle of the decoding of H264 decoding units can be made, the constant when frame of such as image, height, number of macroblocks also have the parameters such as quantizing factor to become compiling, cpu depositor is no longer taken, without being transmitted by parameter again, so that code overall operation is more efficient, the effect for improving decoding efficiency 30% 50% is reached.
Description
[technical field]
The present invention relates to unmanned plane figure passes technical field, more particularly to a kind of decoding efficiency height, the speed of service soon and are not accounted for
There is the high speed image Transmission system for being applied to UAS of excessive Installed System Memory.
[background technology]
High definition figure is passed and is widely used in industry-by-industry in recent years, and such as transportation, exploration, photography etc. needs to shoot and pass
The work of data is sent to realize.Except the monitoring figure of fixed point location is passed, the real-time high-definition of follow shot also on unmanned plane during flying device
Figure is passed, and the speed and reaction passed by figure is put forward higher requirement.
Now most in the industry monitoring figure is passed and is taken up room greatly, and during operation, speed does not catch up with the renewal for obtaining image,
Cause image interim card, it is impossible to which real-time synchronization is transmitted.Based on this problem, it is improved by what kind of mode, higher to adapt to
Hsrdware requirements and change, are the problems of technical staff often concern and the research of the industry, with the continuous development of science and technology, people
To high-performance, the requirement of high-quality product and demand also constantly increase, and in order to cater to the market demand, gain the initiative, it is necessary to
From more hommization, more efficiently develop and improve with high-quality direction.
[content of the invention]
For overcoming the problems of prior art, the present invention provides a kind of decoding efficiency height, the speed of service is fast and does not account for
There is the high speed image Transmission system for being applied to UAS of excessive Installed System Memory.
The present invention solves the scheme of technical problem and is to provide a kind of high speed image Transmission system for being applied to UAS,
Believe including unmanned plane signal sending system component and for receiving from the ground of unmanned plane signal sending system component signals
Number receiving unit；
The unmanned plane signal sending system component includes power supply, high definition motion cameras and the high definition Flying Camera
The transmitter that machine is electrically connected with；The transmitter include H264 coding units, COFDM modulating units, Linear Power Amplifier unit and
Transmitting antenna for transmission signal；H264 coding units receive the image information from the shooting of high definition motion cameras and carry out
Coding, is sent to COFDM modulating units and is modulated process after the completion of coding, the signal transmission after the completion of process is to Linear Power Amplifier
Unit carries out signal amplification, is then sent by transmitting antenna；
The ground signal receiving unit includes that controller, signal receiving antenna, COFDM demodulating units, H264 decodings are single
Unit, high-definition display screen and code encoder；Signal receiving antenna in ground signal receiving unit is received from unmanned plane
COFDM demodulating units are transferred to after the signal that transmitting antenna is launched in signal sending system component carry out signal solution mediate
Reason, is transferred to H264 decoding units and is decoded process, send a signal to high-definition display screen and enter after the completion of decoding after the completion of process
Row video shows；
Before the H264 decoding units are decoded process, the code encoder in ground signal receiving unit is advance
Compile out the code needed for decoding process, when H264 decoding units are decoded process directly using compiled code at
Reason process.
Preferably, the ground signal receiving unit also includes spiral link belt wave filter and low-noise amplifier；Signal connects
After receipts antenna receives signal, first transmit a signal to spiral link belt wave filter and be filtered denoising, by signal after the completion of process
Sending low-noise amplifier to carries out signal amplification, and then sending COFDM demodulating units again to carries out signal demodulation process.
Preferably, the unmanned plane signal sending system component also includes programmable attenuation units and power amplification list
Unit；Programmable attenuation units receive the signal from COFDM modulating units and carry out attenuation processing to high-frequency signal, and process is completed
After transmit a signal to power amplification unit and carry out power amplification.
Preferably, the code encoder carries out the code of advance compiling includes the frame of image, height, quantizing factor and grand
Number of blocks.
Preferably, the ground signal receiving unit also includes being electrically connected with, being used for data storage information with controller
Image/video memory element；Mobile memory card is provided with the described image/video storage unit；Described image/video storage is single
Unit is stored in the image/video data for receiving in the mobile memory card of its installed inside.
Preferably, the unmanned plane signal sending system component is also included at audio signal sample unit and audio signal
Reason unit；After the audio signal sample unit collects audio signal, audio signal processing unit, audio frequency is transmitted a signal to
Signal processing unit is encoded to the audio frequency that the audio collection unit is gathered using distributed coding mode, after the completion of coding
Transmit a signal to transmitting antenna and be sent to ground signal receiving unit.
Compared with prior art, a kind of high speed image Transmission system for being applied to UAS of the present invention passes through in program
Middle single code encoder is set, in the actual motion course of work, the decoding code used by algorithm is operationally to generate not
It is to generate in compiling, built-in compiler in the middle of program, before decoding algorithm runs, compiles out required code, reuses
Compiled code is decoded.Some variables in the middle of the decoding of program H264 decoding unit can be made using this method, than
Constant when such as the frame of image, height, number of macroblocks also have the parameters such as quantizing factor to become compiling, these numbers in the middle of the code of generation
Value can become constant during operation, no longer take cpu depositors, without transmitting by parameter again, so that code is whole
Running body is more efficient, reaches the effect for improving decoding efficiency 30%-50%.
[description of the drawings]
Fig. 1 is a kind of principle schematic of the high speed image Transmission system for being applied to UAS of the present invention.
[specific embodiment]
For making the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting this invention.
Fig. 1 is referred to, a kind of high speed image Transmission system 1 for being applied to UAS of the present invention includes unmanned plane signal
Send system component and for receive from unmanned plane signal sending system component signals ground signal receiving unit；
The unmanned plane signal sending system component includes power supply, high definition motion cameras and the high definition Flying Camera
The transmitter that machine is electrically connected with；The transmitter include H264 coding units, COFDM modulating units, Linear Power Amplifier unit and
Transmitting antenna for transmission signal；H264 coding units receive the image information from the shooting of high definition motion cameras and carry out
Coding, is sent to COFDM modulating units and is modulated process after the completion of coding, the signal transmission after the completion of process is to Linear Power Amplifier
Unit carries out signal amplification, is then sent by transmitting antenna；
The ground signal receiving unit includes that controller, signal receiving antenna, COFDM demodulating units, H264 decodings are single
Unit, high-definition display screen and code encoder；Signal receiving antenna in ground signal receiving unit is received from unmanned plane
COFDM demodulating units are transferred to after the signal that transmitting antenna is launched in signal sending system component carry out signal solution mediate
Reason, is transferred to H264 decoding units and is decoded process, send a signal to high-definition display screen and enter after the completion of decoding after the completion of process
Row video shows；
Before the H264 decoding units are decoded process, the code encoder in ground signal receiving unit is advance
Compile out the code needed for decoding process, when H264 decoding units are decoded process directly using compiled code at
Reason process.
Decoding generation by arranging single code encoder in a program, in the actual motion course of work, used by algorithm
Code be operationally generate be not compiling when generate, built-in compiler in the middle of program, decoding algorithm run before, compile out
Required code, reuses compiled code and is decoded.Decode can program H264 decoding unit using this method
The constant when frame of some central variables, such as image, height, number of macroblocks also have the parameters such as quantizing factor to become compiling, raw
Into code in the middle of these numerical value can become operation when constant, no longer take cpu depositors, without passing through parameter again
Transmission, so that code overall operation is more efficient, reaches the effect for improving decoding efficiency 30%-50%.
Preferably, the ground signal receiving unit also includes spiral link belt wave filter and low-noise amplifier；Signal connects
After receipts antenna receives signal, first transmit a signal to spiral link belt wave filter and be filtered denoising, by signal after the completion of process
Sending low-noise amplifier to carries out signal amplification, and then sending COFDM demodulating units again to carries out signal demodulation process.
Preferably, the unmanned plane signal sending system component also includes programmable attenuation units and power amplification list
Unit；Programmable attenuation units receive the signal from COFDM modulating units and carry out attenuation processing to high-frequency signal, and process is completed
After transmit a signal to power amplification unit and carry out power amplification.
Preferably, the code encoder carries out the code of advance compiling includes the frame of image, height, quantizing factor and grand
Number of blocks.
Preferably, the ground signal receiving unit also includes being electrically connected with, being used for data storage information with controller
Image/video memory element；Mobile memory card is provided with the described image/video storage unit；Described image/video storage is single
Unit is stored in the image/video data for receiving in the mobile memory card of its installed inside.
Preferably, the unmanned plane signal sending system component is also included at audio signal sample unit and audio signal
Reason unit；After the audio signal sample unit collects audio signal, audio signal processing unit, audio frequency is transmitted a signal to
Signal processing unit is encoded to the audio frequency that the audio collection unit is gathered using distributed coding mode, after the completion of coding
Transmit a signal to transmitting antenna and be sent to ground signal receiving unit.
Compared with prior art, a kind of high speed image Transmission system 1 for being applied to UAS of the present invention passes through in journey
Single code encoder is set in sequence, and in the actual motion course of work, the decoding code used by algorithm is operationally to generate
It is not to generate in compiling, built-in compiler in the middle of program, before decoding algorithm runs, compiles out required code, then makes
It is decoded with compiled code.Some variables in the middle of the decoding of program H264 decoding unit can be made using this method,
The constant when frame of such as image, height, number of macroblocks also have the parameters such as quantizing factor to become compiling, in the middle of the code of generation these
Numerical value can become constant during operation, no longer take cpu depositors, without transmitting by parameter again, so that code
Overall operation is more efficient, reaches the effect for improving decoding efficiency 30%-50%.
Invention described above embodiment, does not constitute limiting the scope of the present invention.Any in the present invention
Spirit and principle within modification, equivalent and the improvement made etc., should be included in the claim protection model of the present invention
Within enclosing.
Claims (6)
1. a kind of high speed image Transmission system for being applied to UAS, it is characterised in that：System is sent including unmanned plane signal
System component and for receive from unmanned plane signal sending system component signals ground signal receiving unit；
The unmanned plane signal sending system component includes that power supply, high definition motion cameras and the high definition Flying Camera are electromechanical
Property connection transmitter；The transmitter includes H264 coding units, COFDM modulating units, Linear Power Amplifier unit and is used for
The transmitting antenna of transmission signal；H264 coding units receive the image information from the shooting of high definition motion cameras and are compiled
Code, is sent to COFDM modulating units and is modulated process after the completion of coding, the signal transmission after the completion of process gives Linear Power Amplifier list
Unit carries out signal amplification, is then sent by transmitting antenna；
The ground signal receiving unit includes controller, signal receiving antenna, COFDM demodulating units, H264 decoding units, height
Clear display screen and code encoder；Signal receiving antenna in ground signal receiving unit is received to be sent out from unmanned plane signal
Being transferred to COFDM demodulating units after the signal for sending transmitting antenna in system component to launch carries out signal demodulation process, processes
After the completion of be transferred to H264 decoding units and be decoded process, send a signal to high-definition display screen after the completion of decoding and carry out video and show
Show；
Before the H264 decoding units are decoded process, the code encoder in ground signal receiving unit is compiled in advance
The code gone out needed for decoding process, is directly treated using compiled code when H264 decoding units are decoded process
Journey.
2. a kind of high speed image Transmission system for being applied to UAS as claimed in claim 1, it is characterised in that：Described
Ground signal receiving unit also includes spiral link belt wave filter and low-noise amplifier；After signal receiving antenna receives signal,
First transmit a signal to spiral link belt wave filter and be filtered denoising, low-noise amplifier is transmitted a signal to after the completion of process and is entered
Row signal amplifies, and then sending COFDM demodulating units again to carries out signal demodulation process.
3. a kind of high speed image Transmission system for being applied to UAS as claimed in claim 1, it is characterised in that：Described
Unmanned plane signal sending system component also includes programmable attenuation units and power amplification unit；Programmable attenuation units are received
From COFDM modulating units signal and attenuation processing is carried out to high-frequency signal, transmit a signal to power after the completion of process and put
Big unit carries out power amplification.
4. a kind of high speed image Transmission system for being applied to UAS as claimed in claim 1, it is characterised in that：Described
Code encoder carries out the code of advance compiling includes frame, height, quantizing factor and the number of macroblocks of image.
5. a kind of high speed image transmission for being applied to UAS as described in any one claim in claim 1-4
System, it is characterised in that：The ground signal receiving unit also includes being electrically connected with, being used for data storage information with controller
Image/video memory element；Mobile memory card is provided with the described image/video storage unit；Described image/video storage is single
Unit is stored in the image/video data for receiving in the mobile memory card of its installed inside.
6. a kind of high speed image Transmission system for being applied to UAS as claimed in claim 1, it is characterised in that：Described
Unmanned plane signal sending system component also includes audio signal sample unit and audio signal processing unit；The audio signal
After collecting unit collects audio signal, audio signal processing unit is transmitted a signal to, audio signal processing unit is adopted and divided
Cloth coded system is encoded to the audio frequency that the audio collection unit is gathered, and transmits a signal to launch day after the completion of coding
Line is sent to ground signal receiving unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093932.0A CN106507057A (en) | 2016-12-02 | 2016-12-02 | A kind of high speed image Transmission system for being applied to UAS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093932.0A CN106507057A (en) | 2016-12-02 | 2016-12-02 | A kind of high speed image Transmission system for being applied to UAS |
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| Publication Number | Publication Date |
|---|---|
| CN106507057A true CN106507057A (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093932.0A Pending CN106507057A (en) | 2016-12-02 | 2016-12-02 | A kind of high speed image Transmission system for being applied to UAS |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451272A (en) * | 2018-11-15 | 2019-03-08 | 浙江云来集科技有限公司 | A kind of unmanned plane overlength distance image delivering system |
| CN110149522A (en) * | 2019-06-14 | 2019-08-20 | 哈尔滨理工大学 | A kind of comprehensive avoiding device of unmanned plane based on artificial intelligence |
| CN111402863A (en) * | 2020-03-23 | 2020-07-10 | 北京京东乾石科技有限公司 | Control method, system, device, medium and equipment for formation unmanned aerial vehicle |
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| US20100316304A1 (en) * | 2009-06-16 | 2010-12-16 | Canon Kabushiki Kaisha | Image decoding apparatus and control method for the same |
| CN103297769A (en) * | 2006-01-13 | 2013-09-11 | 弗劳恩霍夫应用研究促进协会 | Picture coding using adaptive color space transformation |
| CN103379333A (en) * | 2012-04-25 | 2013-10-30 | 浙江大学 | Encoding and decoding method, encoding and decoding of video sequence code streams and device corresponding to methods |
| CN104219492A (en) * | 2013-11-14 | 2014-12-17 | 成都时代星光科技有限公司 | Image transmission system of unmanned aerial vehicle |
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2016
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Patent Citations (4)
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| CN103297769A (en) * | 2006-01-13 | 2013-09-11 | 弗劳恩霍夫应用研究促进协会 | Picture coding using adaptive color space transformation |
| US20100316304A1 (en) * | 2009-06-16 | 2010-12-16 | Canon Kabushiki Kaisha | Image decoding apparatus and control method for the same |
| CN103379333A (en) * | 2012-04-25 | 2013-10-30 | 浙江大学 | Encoding and decoding method, encoding and decoding of video sequence code streams and device corresponding to methods |
| CN104219492A (en) * | 2013-11-14 | 2014-12-17 | 成都时代星光科技有限公司 | Image transmission system of unmanned aerial vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451272A (en) * | 2018-11-15 | 2019-03-08 | 浙江云来集科技有限公司 | A kind of unmanned plane overlength distance image delivering system |
| CN110149522A (en) * | 2019-06-14 | 2019-08-20 | 哈尔滨理工大学 | A kind of comprehensive avoiding device of unmanned plane based on artificial intelligence |
| CN111402863A (en) * | 2020-03-23 | 2020-07-10 | 北京京东乾石科技有限公司 | Control method, system, device, medium and equipment for formation unmanned aerial vehicle |
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Application publication date: 20170315 |
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