CN105763836A - Remote sensing platform image acquisition and processing system based on UAV - Google Patents
Remote sensing platform image acquisition and processing system based on UAV Download PDFInfo
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- CN105763836A CN105763836A CN201410777482.1A CN201410777482A CN105763836A CN 105763836 A CN105763836 A CN 105763836A CN 201410777482 A CN201410777482 A CN 201410777482A CN 105763836 A CN105763836 A CN 105763836A
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Abstract
The present invention relates to a remote sensing platform image acquisition and processing system based on a UAV. The system is formed by an airborne image acquisition module, an airborne microcontroller, a wireless transceiver module, a ground microcontroller, and ground terminal equipment. The airborne image acquisition module comprises an image sensor, an FPGA module, a memory, and a digital image processor. The image sensor is connected to the FPGA module which is connected to the memory. The memory is connected to the digital image processor. The airborne image acquisition module is connected to the airborne microcontroller which is connected to the wireless transceiver module. The wireless transceiver module is connected to the ground microcontroller which is connected to the ground microcontroller. The ground microcontroller is connected to the ground terminal equipment. The remote sensing platform image acquisition and processing system has the advantages of simple structure, reasonable design, high image information transmission rate, low power consumption, strong anti-interference ability, and good practicability and promotion values.
Description
Technical field
The invention belongs to acquisition technology field, especially a kind of based on unmanned aerial vehicle remote sensing platform image collection processing system.
Background technology
Unmanned air vehicle technique is through the development of decades, performance improves constantly, function becomes better and approaching perfection day by day, developing rapidly of the correlation techniques such as aviation especially in recent years, microelectronics, computer, navigation, communication, sensor, unmanned air vehicle technique is made to develop practical stage rapidly from the research and development stage, and it is widely applied in every field, become one of important development direction of following airborne vehicle.
UAS has been widely used in military investigation, the remotely field such as monitoring and geological mapping as a kind of high-end remote control equipment.The top priority of usual unmanned plane device be by Real-time Collection to picture signal be sent to ground base station by Wireless Telecom Equipment.The unmanned plane acquisition technology of present stage mainly has two ways: one is to adopt analogue transmission mode, and its frequency usage rate is relatively low, and system is easily disturbed, and its picture quality is poor, and chnnel coding is inefficient, and anti-multipath jamming is poor；Another kind is that the CCD camera adopting simulation becomes digital signal by modulus conversion chip, then is compressed by controller and processes, and has so not only increased the weight of the burden of controller, and it is relatively big to easily cause system power dissipation, and transfer rate is slow.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of system power dissipation is little, transfer rate is fast, capacity of resisting disturbance is strong based on unmanned aerial vehicle remote sensing platform image collection processing system.
This invention address that it technical problem is that takes techniques below scheme to realize:
A kind of based on unmanned aerial vehicle remote sensing platform image collection processing system, being made up of onboard image acquisition module, airborne microcontroller, radio receiving transmitting module, ground microcontroller, ground terminal, described onboard image acquisition module includes imageing sensor, FPGA module, memorizer, Digital Image Processor；Described imageing sensor is connected with FPGA module；Described FPGA module is connected with memorizer；Described memorizer is connected with Digital Image Processor；Described onboard image acquisition module is connected with airborne microcontroller；Described airborne microcontroller is connected with radio receiving transmitting module；Described radio receiving transmitting module is connected with ground microcontroller；Described ground microcontroller is connected with ground terminal.
And, described imageing sensor adopts cmos image sensor.
And, described Digital Image Processor adopts DSP Digital Image Processor.
And, described airborne microcontroller, ground microcontroller are STM32 microcontroller.
And, described onboard image acquisition module is connected with airborne microcontroller by USB.
And, described ground microcontroller is connected with ground terminal by USB.
Advantages of the present invention and having the benefit effect that
1, the random window reading capability of cmos image sensor of the present invention is strong, and random window read operation is that it is functionally better than the aspect of CCD；Cmos image sensor has highly integrated property, image signal amplifier, signal read circuits, A/D change-over circuit, image-signal processor and controller etc. can be integrated on chip piece by CMOS chip, only needing chip piece just can realize all basic functions of camera, integrated level is significantly high；The potential radiation resistance of cmos image sensor has important enhancing relative to CCD performance, adopts cmos image sensor can be greatly simplified system hardware structure, and cmos image sensor also has the spectrum assignment of non-destructive data read-out mode and optimization.Adopt cmos image sensor that common CCD photographic head can be avoided to require over modulus conversion chip and become digital signal, it is compressed by controller again and processes, cause the burden of controller, problem that system power dissipation is bigger and the low problem of image transmission rate.
Accompanying drawing explanation
Fig. 1 is that present configuration connects block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
As shown in Figure 1, one of the present invention is based on unmanned aerial vehicle remote sensing platform image collection processing system, being made up of onboard image acquisition module, airborne microcontroller, radio receiving transmitting module, ground microcontroller, ground terminal, described onboard image acquisition module includes imageing sensor, FPGA module, memorizer, Digital Image Processor；Described imageing sensor is connected with FPGA module；Described FPGA module is connected with memorizer；Described memorizer is connected with Digital Image Processor；Described onboard image acquisition module is connected with airborne microcontroller；Described airborne microcontroller is connected with radio receiving transmitting module；Described radio receiving transmitting module is connected with ground microcontroller；Described ground microcontroller is connected with ground terminal.Described imageing sensor adopts cmos image sensor；Described Digital Image Processor adopts DSP Digital Image Processor；Described airborne microcontroller, ground microcontroller are STM32 microcontroller；Described onboard image acquisition module is connected with airborne microcontroller by USB；Described ground microcontroller is connected with ground terminal by USB.
In conjunction with accompanying drawing, set forth the operation principle of the present invention:
Onboard image acquisition module includes imageing sensor, FPGA module, memorizer, Digital Image Processor.Cmos image sensor random window reading capability is strong, and there is highly integrated property, image signal amplifier, signal read circuits, A/D change-over circuit, image-signal processor and controller etc. can be integrated on chip piece by CMOS chip, only needing chip piece just can realize all basic functions of camera, integrated level is significantly high；The potential radiation resistance of cmos image sensor has important enhancing relative to CCD performance, adopts cmos image sensor can be greatly simplified system hardware structure, and cmos image sensor also has the spectrum assignment of non-destructive data read-out mode and optimization.Adopt cmos image sensor collection image information that common CCD photographic head can be avoided to require over modulus conversion chip and become digital signal, it is compressed by controller again and processes, cause the burden of controller, problem that system power dissipation is bigger and the low problem of image transmission rate.
Image information is sent to FPGA module by cmos image sensor, it is achieved higher image transmission rate, and FPGA motility simultaneously is strong, low in energy consumption, it is possible to make system better operate faster；Being sent to memorizer through FPGA module image information, it is achieved the preservation of information, the image information being saved is sent to DSP Digital Image Processor；Dsp chip arithmetic speed is high, addressing system advantage flexibly, has advantageously promoted the Real-time Collection of data image signal, process and telecommunication, it is achieved the compression of image information and transmission.
Image information after compression is sent to radio receiving transmitting module by airborne microcontroller, and radio receiving transmitting module launches information and in ground receiver image information, and the image information received is transferred into ground microcontroller.Airborne microcontroller and ground microcontroller use ARM Cortex-M3 kernel up-to-date, advanced framework, built-in quick interrupt control unit, provide superior real-time characteristic, drop to the time delay between interruption and only need 6 cpu cycles, also only need 6 cpu cycles from the time that low-power consumption mode wakes up, speed is low in energy consumption soon.Image information arrives ground terminal through the connection of ground microcontroller and USB port, for use.
It is emphasized that; embodiment of the present invention is illustrative; rather than it is determinate; therefore the present invention is not limited to the embodiment described in detailed description of the invention; every other embodiments drawn according to technical scheme by those skilled in the art, also belong to the scope of protection of the invention.
Claims (6)
1. one kind based on unmanned aerial vehicle remote sensing platform image collection processing system, it is made up of onboard image acquisition module, airborne microcontroller, radio receiving transmitting module, ground microcontroller, ground terminal, it is characterised in that: described onboard image acquisition module includes imageing sensor, FPGA module, memorizer, Digital Image Processor；Described imageing sensor is connected with FPGA module；Described FPGA module is connected with memorizer；Described memorizer is connected with Digital Image Processor；Described onboard image acquisition module is connected with airborne microcontroller；Described airborne microcontroller is connected with radio receiving transmitting module；Described radio receiving transmitting module is connected with ground microcontroller；Described ground microcontroller is connected with ground terminal.
2. according to claim 1 based on unmanned aerial vehicle remote sensing platform image collection processing system, it is characterised in that: described imageing sensor adopts cmos image sensor.
3. according to claim 1 based on unmanned aerial vehicle remote sensing platform image collection processing system, it is characterised in that: described Digital Image Processor adopts DSP Digital Image Processor.
4. according to claim 1 based on unmanned aerial vehicle remote sensing platform image collection processing system, it is characterised in that: described airborne microcontroller, ground microcontroller are STM32 microcontroller.
5. according to claim 1 based on unmanned aerial vehicle remote sensing platform image collection processing system, it is characterised in that: described onboard image acquisition module is connected with airborne microcontroller by USB.
6. according to claim 1 based on unmanned aerial vehicle remote sensing platform image collection processing system, it is characterised in that: described ground microcontroller is connected with ground terminal by USB.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777482.1A CN105763836A (en) | 2014-12-17 | 2014-12-17 | Remote sensing platform image acquisition and processing system based on UAV |
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| CN201410777482.1A CN105763836A (en) | 2014-12-17 | 2014-12-17 | Remote sensing platform image acquisition and processing system based on UAV |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509033A (en) * | 2017-09-20 | 2017-12-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of remote sensing camera image real-time acquisition processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509033A (en) * | 2017-09-20 | 2017-12-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of remote sensing camera image real-time acquisition processing system |
| CN107509033B (en) * | 2017-09-20 | 2020-12-01 | 中国科学院长春光学精密机械与物理研究所 | Remote sensing camera image real-time acquisition and processing system |
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Application publication date: 20160713 |
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