CN203365700U - Urban air-defense target detecting system based on infrared imaging - Google Patents
Urban air-defense target detecting system based on infrared imaging Download PDFInfo
- Publication number
- CN203365700U CN203365700U CN 201320383503 CN201320383503U CN203365700U CN 203365700 U CN203365700 U CN 203365700U CN 201320383503 CN201320383503 CN 201320383503 CN 201320383503 U CN201320383503 U CN 201320383503U CN 203365700 U CN203365700 U CN 203365700U
- Authority
- CN
- China
- Prior art keywords
- unit
- infrared imaging
- system based
- urban air
- air defense
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an urban air-defense target detecting system based on infrared imaging. The system includes a front-end collecting unit, an FPGA unit, a DSP unit and a network unit sequentially connected together. The system also includes a power module connected with the front-end collecting unit, the FPGA unit and the DSP unit. An infrared imaging instrument is connected to the front-end collecting unit. According to the utility model, infrared imaging technology is applied to a target detecting field, so that the efficient image processing system based on a core structure with the FPGA unit and the multi-core DSP unit is designed. Real-time treatment of large-data-volume image data of the target detecting system is realized in the maximum degree and the system is small in errors, high in detection precision, high in operation intelligent degree, high in reliability and the like.
Description
Technical field
The utility model relates to antiaircraft field, relates in particular to the urban air defense field, specifically a kind of urban air defense target detection system based on infrared imaging.
Background technology
Air defense is the important component part of national military strategy, refers to the defence to the hostile aerial attacker from aerospace and outer space.According to the difference of organizing and directing level and task, modern air defense operation can be divided into three kinds of Homeland air defense, field air-defence and air-defence critical areas.Urban air defense belongs to the air-defence critical area category, is mainly defendance political economy center, office of Party, government and army location, military commanding in wartime institute and military key area, message center, industrial base, electric power, the energy and transport hub.And the generation of September 11 attacks, the attack that absolutely proves the terrorist is also that a kind of very important urban safety threatens, therefore the object of modern city air defense focuses on the attack of terrorism and rear burst air strike category gradually, mainly for target be helicopter, propeller-parachuting, soarer, hot air balloon etc.That this class target has usually is low, little, wait slowly feature, and sudden strong, disguised strong, has brought very large difficulty to traditional air defense, so the research of actively developing the modern city air defense has great importance.
Conventional city prevention and control system comprises: scout early warning, commander controls, firepower interception and counterattack, important goal protection, the systems such as equipment Safeguard and logistics support.Obviously, scouting early warning is the prerequisite of all the other systems, and as can not be effectively spied out target, other system just can't normally effectively be worked.
The utility model content
In order to solve the above-mentioned technical matters existed in prior art, the utility model aims to provide a kind ofly can quick and precisely have to helicopter, propeller-parachuting, soarer, hot air balloon etc. the urban air defense target detection system based on infrared imaging that target low, little, slow feature is carried out detecting and tracking.
The utility model is achieved through the following technical solutions:
A kind of urban air defense target detection system based on infrared imaging, comprise successively connected front-end collection unit, FPGA unit, DSP unit and network element, also comprises the power module all be connected with front-end collection unit, FPGA unit, DSP unit; Described front-end collection is connected with infrared thermoviewer on unit.
This system also is provided with support circuit, and described front-end collection unit, FPGA unit and DSP unit all are connected with support circuit.
Described support circuit is one or more in DDR3 memory circuit, CameraLink change-over circuit, DC-DC translation circuit, transmission circuit.
Described front-end collection unit is that simulating signal A/D conversion gathers binary system with digital signal CameraLink.
Described front-end acquisition circuit is nested on processing platform with the form of daughter board.
Described FPGA unit comprises 25 * 18 complement multipliers and 48 adder/subtracter/totalizers.
The DDR2 that is respectively equipped with two groups of 256MB in described FPGA unit stores and four RS422 interfaces.
Described DSP unit is provided with the DDR3 storage chip of 512Mb.
The beneficial effects of the utility model are:
Compared with prior art, a kind of urban air defense target detection system based on infrared imaging that the utility model provides, infrared imagery technique is applied to the target detection field, the image processing system that to design efficiently based on FPGA and multi-core DSP be core architecture, realized to greatest extent the real-time processing of the images with large data volume data of object detection system, and in conjunction with the urban air defense characteristic, image is made to Nonuniformity Correction, filter preprocessing, under complex background, moving target is made the correlation technique difficult problems such as detection and tenacious tracking and carried out special technology study and implement, it is little that it has error, accuracy of detection is high, operative intelligence, high reliability.
The accompanying drawing explanation
Fig. 1 is system principle schematic diagram of the present utility model;
Fig. 2 is system hardware structure composition diagram of the present utility model.
In figure: 1-front-end collection unit, 2-FPGA unit, 3-DSP unit, 4-network element, 5-support circuit, 6-thermal infrared imager, 7-power module.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described further, but that desired protection domain is not limited to is described;
As shown in Figure 1, 2, a kind of urban air defense object detection system based on infrared imaging that the utility model provides, comprise successively connected front-end collection unit 1, FPGA unit 2, DSP unit 3 and network element 4, also comprise the power module 7 all be connected with front-end collection unit 1, FPGA unit 2, DSP unit 3; Be connected with infrared thermoviewer 6 on described front-end collection unit 1.The data that thermal infrared imager 6 gathers are through front end collecting unit 1 conversion output low-voltage differential digital signal, and be transferred to FPGA unit 2, FPGA unit 2 completes initialization and the Correlation method for data processing of target tracking data, and by the result real-time Transmission to multi-core DSP unit 3, multi-core DSP unit 3 completes data storage and the externally network service of infrared picture data, and realize that on computers image shows, and then reach the purpose of urban air defense.
In order to promote the scope of application of the present utility model and to use dirigibility, this system also is provided with support circuit 5, and described front-end collection unit 1, FPGA unit 2 and DSP unit 3 all are connected with support circuit 5.
Whole detection system be take and realized that infrared imaging detection is as purpose, designed high speed image signal processing system scheme, the utility model is also designed the relevant configuration circuit, and described support circuit 5 is one or more in DDR3 memory circuit, CameraLink change-over circuit, DC-DC translation circuit, transmission circuit.
For acquisition performance and the accuracy rate that promotes collecting unit 1, described front-end collection unit 1 gathers binary system for simulating signal A/D conversion with digital signal CameraLink.
Described front-end acquisition circuit 1 is nested on processing platform with the form of daughter board, has increased like this dirigibility of thermal infrared imager 6 type selectings/renewal, improves versatility of the present utility model and exploitability.
For pre-service such as the nonuniformity correction that completes infrared image and medium filterings, described FPGA unit 2 comprises 25 * 18 complement multipliers and 48 adder/subtracter/totalizers.
For realizing exploitability of the present utility model and versatility, the DDR2 that is respectively equipped with two groups of 256MB in described FPGA unit 2 stores and four RS422 interfaces.
Described DSP unit 3 is provided with the DDR3 storage chip of 512Mb, to meet its data storage requirement.
Embodiment:
As shown in Figure 2, a kind of urban air defense object detection system based on infrared imaging that the utility model provides, its data transmission interface by thermal infrared imager 6 is connected on the front-end collection unit 1 of object detection system, thermal infrared imager 6 output analog video signals are that the digital differential signal is transferred to FPGA unit 2(Camera Link system thermal imaging system and can be transferred to FPGA unit 2 by the CameraLink modular converter by the A/D video conversion module by Video Decode), FPGA unit 2 completes the nonuniformity correction of infrared image, the data such as medium filtering and target component initialization are processed, and pass through RapidIO, SPI and DSP circuit interconnection are realized the high-speed data exchange, send to multi-core DSP unit 3 through pretreated view data by the RapidIO interface, completing infrared target by DSP unit 3 detects, Target Segmentation, the function such as target following and correspondence with foreign country, the tracking results of processing through multi-core DSP unit 3 sends to outer computer by the gigabit networking interface in network element 5, timely output display.
The utlity model has error little, accuracy of detection is high, operative intelligence, high reliability.Be directed to low, little, the slow target under complex background in urban air defense, can be real-time, accurately it is detected, and accuracy of detection is high.Particularly, to the scouting early warning of urban air defense, there is its unique superiority and practicality.
Claims (8)
1. the urban air defense target detection system based on infrared imaging, comprise successively connected front-end collection unit (1), FPGA unit (2), DSP unit (3) and network element (4), also comprise the power module (7) all be connected with front-end collection unit (1), FPGA unit (2), DSP unit (3), it is characterized in that: be connected with infrared thermoviewer (6) on described front-end collection unit (1).
2. the urban air defense target detection system based on infrared imaging according to claim 1, it is characterized in that: this system also is provided with support circuit (5), and described front-end collection unit (1), FPGA unit (2) all are connected with support circuit (5) with DSP unit (3).
3. the urban air defense target detection system based on infrared imaging according to claim 2 is characterized in that: described support circuit (5) is one or more in DDR3 memory circuit, CameraLink change-over circuit, DC-DC translation circuit, transmission circuit.
4. the urban air defense target detection system based on infrared imaging according to claim 1 is characterized in that: described front-end collection unit (1) is that simulating signal A/D conversion gathers binary system with digital signal CameraLink.
5. the urban air defense target detection system based on infrared imaging according to claim 1, it is characterized in that: described front-end acquisition circuit (1) is nested on processing platform with the form of daughter board.
6. the urban air defense target detection system based on infrared imaging according to claim 1, it is characterized in that: described FPGA unit (2) comprises 25 * 18 complement multipliers and 48 adder/subtracter/totalizers.
7. the urban air defense target detection system based on infrared imaging according to claim 1, is characterized in that: the DDR2 storage and four the RS422 interfaces that are respectively equipped with two groups of 256MB in described FPGA unit (2).
8. the urban air defense target detection system based on infrared imaging according to claim 1, it is characterized in that: described DSP unit (3) is provided with the DDR3 storage chip of 512Mb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383503 CN203365700U (en) | 2013-06-28 | 2013-06-28 | Urban air-defense target detecting system based on infrared imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320383503 CN203365700U (en) | 2013-06-28 | 2013-06-28 | Urban air-defense target detecting system based on infrared imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365700U true CN203365700U (en) | 2013-12-25 |
Family
ID=49813445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320383503 Expired - Lifetime CN203365700U (en) | 2013-06-28 | 2013-06-28 | Urban air-defense target detecting system based on infrared imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203365700U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240240A (en) * | 2014-09-04 | 2014-12-24 | 南京理工大学 | Infrared small target detection method and system based on FPGA |
| CN108152816A (en) * | 2016-12-05 | 2018-06-12 | 南京理工大学 | Real-time SAR imaging systems and imaging method based on multi-core DSP |
| CN115050154A (en) * | 2022-06-10 | 2022-09-13 | 中国建设科技集团股份有限公司 | Multifunctional indoor security monitoring and alarming system |
-
2013
- 2013-06-28 CN CN 201320383503 patent/CN203365700U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240240A (en) * | 2014-09-04 | 2014-12-24 | 南京理工大学 | Infrared small target detection method and system based on FPGA |
| CN104240240B (en) * | 2014-09-04 | 2017-03-15 | 南京理工大学 | A kind of infrared small target detection method and system based on FPGA |
| CN108152816A (en) * | 2016-12-05 | 2018-06-12 | 南京理工大学 | Real-time SAR imaging systems and imaging method based on multi-core DSP |
| CN115050154A (en) * | 2022-06-10 | 2022-09-13 | 中国建设科技集团股份有限公司 | Multifunctional indoor security monitoring and alarming system |
| CN115050154B (en) * | 2022-06-10 | 2024-01-30 | 中国建设科技集团股份有限公司 | Multifunctional indoor security monitoring alarm system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203365700U (en) | Urban air-defense target detecting system based on infrared imaging | |
| CN104296606A (en) | Laser fuse reception system | |
| Kim et al. | Highly efficient supersonic small infrared target detection using temporal contrast filter | |
| Sun et al. | Fast motion object detection algorithm using complementary depth image on an RGB-D camera | |
| Wang et al. | Detection of self-build data set based on YOLOv4 network | |
| CN106324592A (en) | Aiming and tracking device for guiding photoelectric device by radar and tracking method thereof | |
| Xiao et al. | A combined method based on expert system and BP neural network for UAV systems fault diagnosis | |
| CN203632765U (en) | Multi-source image information acquisition and fusion system | |
| CN106412560A (en) | Three-dimensional image generating method based on depth map | |
| CN109117945B (en) | Processor and processing method thereof, chip packaging structure and electronic device | |
| CN2646794Y (en) | Equipment for implementing infrared image background compensation by using digital image processing module | |
| Huo et al. | An object detection method for the work of an unmanned sweeper in a noisy environment on an improved YOLO algorithm | |
| CN113989942A (en) | Gesture recognition method and device | |
| CN203658778U (en) | Naval gun DSP main control module | |
| Zhang et al. | Binocular camera calibration based on BP neural network optimized by improved particle swarm optimization | |
| CN209640702U (en) | A kind of tidal data recovering Transmission system based on edge calculations | |
| CN106019273A (en) | Radar illumination control device based on optical fiber | |
| Hu et al. | Electronics and Signal Processing | |
| Lu et al. | Linked attention-based dynamic graph convolution module for point cloud classification | |
| CN103136784B (en) | Streetscape sets up system and streetscape method for building up | |
| CN205005181U (en) | Video intelligent analysis identification system based on DM8168 | |
| CN205751230U (en) | The infrared communication system of solar control interference | |
| CN205388775U (en) | Adopt parallel data processing's figure processing system | |
| CN210572361U (en) | Passive radar signal processor of unmanned aerial vehicle anti-braking system | |
| CN205910543U (en) | Novel pulse secondary radar answer signal treater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |