CN201594861U - Multi-band image fusion infrared imaging system - Google Patents
Multi-band image fusion infrared imaging system Download PDFInfo
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- CN201594861U CN201594861U CN2009202445150U CN200920244515U CN201594861U CN 201594861 U CN201594861 U CN 201594861U CN 2009202445150 U CN2009202445150 U CN 2009202445150U CN 200920244515 U CN200920244515 U CN 200920244515U CN 201594861 U CN201594861 U CN 201594861U
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Abstract
The utility model provides a multi-band image fusion infrared imaging system which combines the characteristics of an infrared sensor and a visible light CCD sensor, and is used for double-image fusion treatment. The multi-band image fusion infrared imaging system consists of an infrared optical system, the infrared sensor, an infrared signal processing module, an Ethernet exchange processing module, a visible light optical system, the CCD sensor, a control interface module and a control holder, wherein the infrared optical system is connected with the infrared sensor which is connected with the infrared signal processing module that is connected with the Ethernet exchange processing module; and the visible light optical system is connected with the CCD sensor which is connected with the control interface module that is respectively connected with the Ethernet exchange processing module and the control holder. An image data transmission interface adopts TCP/IP network transmission protocol, so that the multi-band image fusion infrared imaging system can be accessed with Ethernet and a remote control computer to conduct real-time data analysis.
Description
(1) technical field
The utility model relates to infrared technology, is exactly that a kind of multispectral image merges infrared imaging system specifically.
(2) background technology
Thermal infrared imager is to utilize Infrared Detectors, the infrared energy distribution pattern that optical imagery object lens and optical mechaical scanning system (advanced at present focal plane technology has then been saved the optical mechaical scanning system) accept measured target is reflected in the photosensitive unit of Infrared Detectors, between optical system and Infrared Detectors, there is an optical mechaical scanning mechanism (the focal plane thermal imager does not have this mechanism) that the infrared thermal imagery of testee is scanned, and focus on unit or the spectroscopic detectors, convert infrared energy to the signal of telecommunication by detector, through processing and amplifying, conversion or video standard signal show Infrared Thermogram by TV screen or monitor.This thermography is corresponding with the heat distribution field of body surface; Come down to measured target object each several part infrared radiation the thermal imagery distribution map since signal very a little less than, compare with visible images, lack level and third dimension, therefore, it in the actual act process infra-red heat distribution field of more effectively judging measured target, the normal utility function that adopts some ancillary methods to increase instrument, control as image brightness, contrast, real calibration just, pseudo-color technology such as described 1800, the conspicuous Xu Er of Britain physicist F.W. has found infrared ray, has from then on opened up the wide path of human application infrared technique.In World War II, the German as electrooptical device, has developed active infrared equipment and infrared communication device, for Development of Infrared Technology is laid a good foundation with infrared image converter tube.After the World War II, at first by the nearly 1 year exploration of U.S. De Kesalan instrument company process, the first generation of developing is used for the infreared imaging device of military field, is referred to as the infrared viewing system (FLIR) of seeking, and it is to utilize the infrared radiation scanning of optical-mechanical system to measured target.Receive bidimensional infrared radiation sign by photon detector, handle, form video signal through opto-electronic conversion and a series of instrument.This system, original form are a kind of non real-time automatic temperature-adjusting distribution record instrument, and the development of mixing the mercury photon detector along with the fifties indium antimonide and germanium afterwards just begins to occur the system of high-velocity scanning and real-time display-object heat picture.The sixties are early stage, and Sweden AGA Aktiebolag succeeds in developing second generation infreared imaging device, and it is the function that has increased thermometric on the infrared basis of seeking viewing system, is referred to as thermal infrared imager.Beginning is owing to maintain secrecy, and also only limits to militaryly in the country of prosperity, drops into the thermal imaging device of using can be surveyed the other side in night or dense cloud and mist target, surveys the target pretended and the target of high-speed motion.Because the support of national funds is arranged, and the development of input is very expensive, the cost of instrument is also very high.Consider later in the developing practicality of industrial production, characteristics in conjunction with industrial infrared acquisition, take to compress the instrument cost, reduce production costs and, improve measures such as image resolution ratio and develop into civil area gradually by reducing sweep speed according to civilian requirement.Middle nineteen sixties, AGA Aktiebolag develops the industrial Real Time Image System (THV) of first cover, this system is by liquid nitrogen cooling, the power supply of 110V supply voltage, heavily about 35 kilograms, portable very poor in therefore using, improve through several generations instrument, the thermal infrared imager of development in 1986 need not liquid nitrogen or high pressure gas, and with thermoelectric mode refrigeration, available powered battery; The global function thermal imager of releasing in 1988 closes measurement, modification, analysis, IMAQ, the storage of temperature in one, and weight is less than 7 kilograms, and the function of instrument, precision and reliability have all obtained significant raising.Middle nineteen nineties, U.S. FSI Corp. at first succeeds in developing by military technology (FPA) changes a kind of picture device that congeals into civilian and a commercial new thermal infrared imager (CCD) genus focal plane array formula structure, technical functionality is advanced more, pickup image only need aim at the mark during on-the-spot thermometric, and with on the PC card of above-mentioned information stores in the machine, promptly finish whole operations, the setting of various parameters can be got back to indoor software and make amendment and analyze data, directly draw examining report at last, because the improvement of technology and the change of structure, replaced complicated mechanical scanning, instruments weight is less than two kilograms, as hand-held camera, one hand can be operated easily in the use.
Nowadays, infra-red thermal imaging system has obtained in fields such as electric power, fire-fighting, petrochemical industry and medical treatment using widely.Thermal infrared imager is just being brought into play very important effect in world's expanding economy.
General light splitting machine scanning imaging system of thermal infrared imager and non-scanning imaging system.The optical mechaical scanning imaging system adopts unit or polynary (first number has 8,10,16,23,48,55,60,120,180 even more) photoconduction or photovoltaic infrared detector, speed is slow during with single-element detector, the time that mainly is the response of the frame width of cloth is fast inadequately, and the complex array detector can be made the high-speed real-time thermal imager.The thermal imager of non-scanning imagery as the focal plane thermal imager of the array staring imaging released in recent years, belongs to the thermal imaging device of a new generation, is better than optical mechaical scanning formula thermal imager on performance greatly, and the trend that progressively replaces optical mechaical scanning formula thermal imager is arranged.Its key technology is that detector is made up of monolithic integrated circuit, above the whole visual field of measured target all focuses on, and image is more clear, use conveniently, instrument is small volume and less weight very, has the automatic focusing freeze frame simultaneously, amplify continuously, point temperature, line temperature, etc. functions such as gentle voice notes image, instrument employing PC card, memory capacity can be up to 500 width of cloth images.
Infrared thermal television is a kind of of thermal infrared imager.Infrared thermal television is to accept measured target object surfaces infrared radiation by pyricon (PEV), and the invisible heat image that thermal radiation in the target is distributed is transformed into vision signal, therefore, pyricon is the light key device of infrared thermal television, it is a kind of real time imagery, wide range imaging (3～5 μ m and 8～14 μ m are had frequency response preferably) has the heat imaging device of intermediate resolution, mainly is made up of lens, target surface and electron gun three parts.Its technical functionality be infrared radiation scioptics focal imaging with measured target to pyricon, adopt normal temperature thermal television detector and electron beam scanning and target surface imaging technique to realize.Thermal infrared imager is to generate infrared image and thermometric instrument by the energy emission that absorbs target object.Infrared energy is the invisible energy of a kind of naked eyes, and its wavelength is very long, can't be detected by naked eyes.It is the part in the electromagnetic spectrum, and the mankind are perceived as heat with it.Different with visible light, in infrared field, the object of every temperature more than absolute zero can both distribute heat.Even the very cold object in surface can be launched infrared energy equally as ice cube.The temperature of object is high more, and the infrared energy of its institute's radiation is just strong more.Thermal infrared imager can help us to see the situation that naked eyes can't be seen.Thermal infrared imager can generate infrared image or thermal radiation image, and accurate contact-free measurement of temperature function can be provided.Nearly all object is before breaking down, and temperature all can increase, and therefore in a lot of fields, thermal infrared imager definitely is a kind of cost-effective testing tool.Because a lot of industries are all with High-efficient Production, energy conservation, raising output and the production safety important goal as enterprise development, so thermal infrared imager constantly is applied in various industries and the various application.
(3) summary of the invention
The purpose of this utility model is to provide a kind of characteristics in conjunction with infrared sensor and visible light ccd sensor, and the multispectral image that the dual imaging that is transmitted is carried out fusion treatment merges infrared imaging system.
The purpose of this utility model is achieved in that it is by infrared optical system, infrared sensor, the infrared signal processing module, the Ethernet exchange processing module, the visible light optical system, ccd sensor, the control interface module, the control The Cloud Terrace, the AC24V transformer, Ethernet environment and main control system are formed, infrared optical system connects infrared sensor, infrared sensor connects the infrared signal processing module, the infrared signal processing module connects the Ethernet exchange processing module, the visible light optical system connects ccd sensor, ccd sensor connects the control interface module, the control interface module connects Ethernet exchange processing module and control The Cloud Terrace respectively, the control The Cloud Terrace connects the AC24V transformer, the Ethernet exchange processing module connects the Ethernet environment, and the Ethernet environment connects main control system.
A kind of multispectral image of the utility model merges infrared imaging system, characteristics in conjunction with infrared sensor and visible light ccd sensor, the dual imaging that is transmitted is carried out fusion treatment, joint through accurate algorithm, form an effective fusion image, the advantage that makes it to have thermal-induced imagery also can be as high-visible as the visible images.The image data transmission interface adopts the TCP/IP network transmission protocol, make it can the access network based on ethernet network and remote control computer carry out the real time data analysis.
(4) description of drawings
Fig. 1 is a thermal imaging schematic diagram of the present utility model;
Fig. 2 is an image co-registration schematic diagram of the present utility model;
Fig. 3 is a fusion flow chart of the present utility model;
Fig. 4 is a hardware system structure block diagram of the present utility model.
(5) embodiment
The utility model is described in further detail for example below in conjunction with accompanying drawing.
Embodiment 1: in conjunction with Fig. 4, a kind of multispectral image of the utility model merges infrared imaging system, it is by infrared optical system (1), infrared sensor (2), infrared signal processing module (3), Ethernet exchange processing module (4), visible light optical system (5), ccd sensor (6), control interface module (7), control The Cloud Terrace (8), AC24V transformer (9), Ethernet environment (10) and main control system (11) are formed, infrared optical system (1) connects infrared sensor (2), infrared sensor (2) connects infrared signal processing module (3), infrared signal processing module (3) connects Ethernet exchange processing module (4), visible light optical system (5) connects ccd sensor (6), ccd sensor (6) connects control interface module (7), control interface module (7) connects Ethernet exchange processing module (4) and control The Cloud Terrace (8) respectively, control The Cloud Terrace (8) connects AC24V transformer (9), Ethernet exchange processing module (4) connects Ethernet environment (10), and Ethernet environment (10) connects main control system (11).
Embodiment 2: in conjunction with Fig. 1-Fig. 3, a kind of multispectral image of the utility model merges infrared imaging system, and operation principle is as follows:
Infrared imaging sensor can be respectively at near-infrared, short-wave infrared, medium wave is infrared and the imaging of thermal infrared wave band.Wherein, the mechanism of action of the imaging sensor of near-infrared (0.7-1.1 μ m) wave band is similar to the visual light imaging transducer, and the main catoptric imaging of surveying scene that relies on contains suitable abundant image detailed information in the image that it is become before and after dusk and daybreak.The imaging sensor of medium wave infrared (3-5 μ m) and thermal infrared (8-14 μ m) wave band has better cloud and mist penetration capacity mainly by obtaining the infrared radiation imaging of scene.
Visible light sensor and infrared sensor are two kinds of the most frequently used transducers.The visual light imaging transducer obtains the various reflective informations of scene, and higher spatial and temporal resolution is arranged, and the image that is become contains abundant geometry and grain details, and the detailed information of target place scene can be provided, and helps the overall cognitive of observer to scene.Visible images is that people are the most familiar, is easy to the image of lexical or textual analysis most.But visible light sensor under the atrocious weather condition to atmosphere to penetrate imaging capability relatively poor, especially poor at the imaging capability at night; In addition, atmospheric turbulance causes the random fluctuation of air refractive index in the light path, can cause the fuzzy at random of image.
Image co-registration is by certain algorithm, generate the process of a width of cloth or a few width of cloth images with several source images (being input picture), the fused images that generates has the not available advantage of single source images, contain more, information more accurately, thereby be more suitable in the human eye machine vision or be more suitable for the subsequent image processing task, fused images has been removed the partial redundance information in the source images, and amount of information has had tangible minimizing than total amount of information of source images.
The handled two-dimensional image data of image fusion technology may be different on sensor type, observation condition, camera position or acquisition time.Contain complementary information and redundant information in these images, redundant information comprises consistent and information conflict, and wherein conflicting information is to remove.So image co-registration should: the completeness that improves system by complementary information; By uncertainty, inaccuracy and the ambiguity of redundant information reduction information, improve the reliability and the confidence level of system; Reduce redundancy; Remove the conflicting information in the source images; Thereby the detector defective is compensated, and obtain scene accurately, significant explanation.
The double camera multi-band image merges: used infrared and visible light camera are to be transferred to picture in the computer and to demonstrate by procotol, its infrared lens irradiated has the scenery striking contrast, be the contrast of radiation temperature, this just so-called infrared thermal imaging figure.So, digital visible light camera, the visible images that institute's journey reveals is the image that people's naked eyes can direct viewing arrive, it is to transmit in the computer by an IP address equally.Since adopt the infrared intelligent video camera, its transducer latest generation non-refrigeration type focal plane Infrared Detectors, image is more clear, and its service band belongs to thermal infrared at 7.5 μ m-13.5 μ m.Its digital camera adopts CCD.It is as follows that infrared and visible images merges its process: at first, adopt Pixel-level multi-sensor image method for registering in image registration, with wavelet algorithm distribution diagram image space; Secondly, carry out preliminary treatment to infrared with visible images respectively.At last, carry out image co-registration.
The utility model is the characteristics in conjunction with infrared sensor and Visible-light CCD sensor, the dual imaging that transmits is carried out fusion treatment, joint through accurate algorithm forms an effective fused images, and the advantage that makes it to have thermal-induced imagery also can be as high-visible as the visible images. The image data transmission interface adopts the TCP/IP network transmission protocol, make it can the access network based on ethernet network and remote control computer carry out real-time data analysis.
Claims (1)
1. a multispectral image merges infrared imaging system, it is by infrared optical system (1), infrared sensor (2), infrared signal processing module (3), Ethernet exchange processing module (4), visible light optical system (5), ccd sensor (6), control interface module (7), control The Cloud Terrace (8), AC24V transformer (9), Ethernet environment (10) and main control system (11) are formed, it is characterized in that: infrared optical system (1) connects infrared sensor (2), infrared sensor (2) connects infrared signal processing module (3), infrared signal processing module (3) connects Ethernet exchange processing module (4), visible light optical system (5) connects ccd sensor (6), ccd sensor (6) connects control interface module (7), control interface module (7) connects Ethernet exchange processing module (4) and control The Cloud Terrace (8) respectively, control The Cloud Terrace (8) connects AC24V transformer (9), Ethernet exchange processing module (4) connects Ethernet environment (10), and Ethernet environment (10) connects main control system (11).
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| CN2009202445150U CN201594861U (en) | 2009-12-30 | 2009-12-30 | Multi-band image fusion infrared imaging system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025979A (en) * | 2010-12-14 | 2011-04-20 | 中国科学院长春光学精密机械与物理研究所 | Infrared video real-time enhancing display device based on dual DSPs (digital signal processors) |
| CN103033909A (en) * | 2011-10-04 | 2013-04-10 | 索尼公司 | Infrared optical system and infrared imaging apparatus |
| CN103514449A (en) * | 2012-06-28 | 2014-01-15 | 联想(北京)有限公司 | Image collecting device and method |
| CN104535186A (en) * | 2014-12-30 | 2015-04-22 | 华中科技大学 | Infrared spectrogram correlation detection system and method for mobile platform |
| CN105988122A (en) * | 2015-02-06 | 2016-10-05 | 上海蓝剑科技发展有限公司 | Wide-spectrum multi-waveband self-adaptive imaging system |
| CN107607204A (en) * | 2017-09-05 | 2018-01-19 | 昆山博威泰克电子科技有限公司 | Color analysis device and method |
| CN111756969A (en) * | 2020-06-16 | 2020-10-09 | RealMe重庆移动通信有限公司 | Optical module and electronic equipment |
| CN114170125A (en) * | 2021-12-28 | 2022-03-11 | 河南三谱睿光电科技有限公司 | Ultrashort wave image and infrared image fusion processing method |
-
2009
- 2009-12-30 CN CN2009202445150U patent/CN201594861U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025979A (en) * | 2010-12-14 | 2011-04-20 | 中国科学院长春光学精密机械与物理研究所 | Infrared video real-time enhancing display device based on dual DSPs (digital signal processors) |
| CN103033909A (en) * | 2011-10-04 | 2013-04-10 | 索尼公司 | Infrared optical system and infrared imaging apparatus |
| CN103514449A (en) * | 2012-06-28 | 2014-01-15 | 联想(北京)有限公司 | Image collecting device and method |
| CN103514449B (en) * | 2012-06-28 | 2017-08-29 | 联想(北京)有限公司 | A kind of image collecting device and method |
| CN104535186A (en) * | 2014-12-30 | 2015-04-22 | 华中科技大学 | Infrared spectrogram correlation detection system and method for mobile platform |
| CN105988122A (en) * | 2015-02-06 | 2016-10-05 | 上海蓝剑科技发展有限公司 | Wide-spectrum multi-waveband self-adaptive imaging system |
| CN107607204A (en) * | 2017-09-05 | 2018-01-19 | 昆山博威泰克电子科技有限公司 | Color analysis device and method |
| CN111756969A (en) * | 2020-06-16 | 2020-10-09 | RealMe重庆移动通信有限公司 | Optical module and electronic equipment |
| CN114170125A (en) * | 2021-12-28 | 2022-03-11 | 河南三谱睿光电科技有限公司 | Ultrashort wave image and infrared image fusion processing method |
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Granted publication date: 20100929 Termination date: 20111230 |