CN204301863U - Novel visible and thermal infrared imager camera parameter combined calibrating plate - Google Patents
Novel visible and thermal infrared imager camera parameter combined calibrating plate Download PDFInfo
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- CN204301863U CN204301863U CN201420686148.0U CN201420686148U CN204301863U CN 204301863 U CN204301863 U CN 204301863U CN 201420686148 U CN201420686148 U CN 201420686148U CN 204301863 U CN204301863 U CN 204301863U
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- infrared imager
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- heating
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- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000004927 fusion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of novel visible and thermal infrared imager camera parameter combined calibrating plate, comprise reflector, described reflector is arranged the round hole of some according to certain rule, described reflector is connected with the heating material flitch of black by support column, described support column is made up of heat-barrier material and is not blocked described round hole, and described heating material flitch is connected with heating arrangement.Described heating arrangement adopts Electric heating, and is controlled time and the temperature of described heating arrangement by controller.The camera parameter that the utility model utilizes combined calibrating to obtain, can unify the space reference of thermal infrared imager and camera, for multispectral fusion and combined measurement set up basis, very succinctly, efficiently.
Description
technical field:
The utility model relates to a kind of camera calibration device, particularly relates to a kind of novel visible and thermal infrared imager camera parameter combined calibrating plate.
background technology:
In the application such as multispectral photography measurement, remote sensing and targeted surveillance, for comprehensively obtaining the Spectral Radiation Information of object, often take the method for multispectral combined measurement.Wherein, Visible Light Camera can obtain abundant texture information, and thermal infrared imager can obtain temperature information.Therefore, the combined measurement of current Visible Light Camera and infrared camera is applied widely.And when infrared camera and Visible Light Camera do not share same camera lens or same optical path, just strictly their camera intrinsic parameter and the relative position and attitude between them must be demarcated.Determine that three-dimensional geometry position of certain point of space object surface and the geometric model parameter of its mutual relationship in the picture between corresponding point are exactly camera parameter.Utilize caliberating device and scaling method to determine that the process of these parameters is just called camera calibration.In prior art, the caliberating device demarcating separately general camera or infrared camera is innumerable with method, but less caliberating device and the method seeing Calibration of Infrared Thermal Imager and Visible Light Camera simultaneously.
utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of enforcement reasonable in design, easy, the novel visible simultaneously can demarcating two kinds of cameras and thermal infrared imager camera parameter combined calibrating plate.
The technical solution of the utility model is:
A kind of novel visible and thermal infrared imager camera parameter combined calibrating plate, comprise reflector, described reflector is arranged the round hole of some according to certain rule, described reflector is connected with the heating material flitch of black by support column, described support column is made up of heat-barrier material and is not blocked described round hole, and described heating material flitch is connected with heating arrangement.
Described heating arrangement adopts Electric heating, and is controlled time and the temperature of described heating arrangement by controller.The heating material flitch of described black adopts semiconductor chilling plate or ceramic infrared radiation electric hot plate to make, and described support column has five at least, supports corner and the centre of described reflector respectively.
The beneficial effects of the utility model are:
1, the utility model utilizes same set of caliberating device and scaling method to determine parameter that is infrared and Visible Light Camera simultaneously, utilize the camera parameter that combined calibrating obtains, the space reference of thermal infrared imager and camera can be unified, for multispectral fusion and combined measurement set up basis, very succinct, efficiently.
2, the utility model black heating material flitch can use the material such as semiconductor chilling plate or ceramic infrared radiation electric hot plate to make, the heating process of these materials and add heat energising can be utilized accurately to control, good integrity, Heat stability is good, temperature is also relatively more even, is applicable to becoming good infrared origin.
3, the utility model support column does not block round hole, has light transmission accurately, and the relative position in addition between the round center of circle, hole, through accurately measuring, is convenient to calibration position.
4, the utility model enforcement reasonable in design, easy, can demarcate two kinds of cameras, its applied range, is easy to promotion and implementation, has good economic benefit simultaneously.
accompanying drawing illustrates:
Fig. 1 is the structural representation of novel visible and thermal infrared imager camera parameter combined calibrating plate;
The vertical view that Fig. 2 is novel visible shown in Fig. 1 and thermal infrared imager camera parameter combined calibrating plate;
Fig. 3 is the image schematic diagram of Visible Light Camera shooting caliberating device;
Fig. 4 is the image schematic diagram of thermal infrared imager shooting caliberating device.
embodiment:
Embodiment: see Fig. 1-Fig. 4, in figure, 1-reflector, 2-support column, 3-heating material flitch, 4-circle hole.
Novel visible and thermal infrared imager camera parameter combined calibrating plate, comprise reflector 1, wherein: the round hole 4 reflector 1 being arranged some according to certain rule, reflector 1 is connected with the heating material flitch 3 of black by support column 2, support column 2 is made up of heat-barrier material and is not blocked round hole 4, and heating material flitch 3 is connected with heating arrangement (not shown in FIG.).
Heating arrangement adopts Electric heating, and is controlled time and the temperature of heating arrangement by controller.The heating material flitch 3 of black adopts semiconductor chilling plate or ceramic infrared radiation electric hot plate to make, good integrity, Heat stability is good, and temperature is also relatively more even, is applicable to becoming good infrared origin.Solar radiation absorbility factor and the coefficient of heat conductivity of heat-barrier material are lower.Support column 2 has at least five (in figure are six, determine its quantity according to actual needs), supports corner and the centre of reflector 1 respectively.
Principle of work: carry out timing signal, take scaling board by Visible Light Camera and thermal infrared imager simultaneously, the image that Visible Light Camera photographs be white reflector among have the circle of some black, the infrared image that thermal infrared imager is seen be black reflector among have the circle of some white, after infrared image being used inverse image procossing, the circle of some black is had among the reflector just becoming white, consistent with visible images, can ellipse be deformed into through having an X-rayed circle.
The angle of continuous conversion caliberating device and position, all keep static after each conversion, after taking abundant photo, using the center of circle as the anchor point of picture point and object point, because the actual object point coordinate at each circle center is also known, current camera calibration method is therefore utilized to obtain the camera parameter of Visible Light Camera and thermal infrared imager.
The utility model rapidly and efficiently can complete the combined calibrating of visible ray binocular camera and thermal infrared imager, the space reference of unified thermal infrared imager and binocular camera, thus is that basis is set up in the fusion of thermal infrared imager photo and binocular camera photo.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. a novel visible and thermal infrared imager camera parameter combined calibrating plate, comprise reflector, it is characterized in that: the round hole described reflector being arranged some according to certain rule, described reflector is connected with the heating material flitch of black by support column, described support column is made up of heat-barrier material and is not blocked described round hole, and described heating material flitch is connected with heating arrangement.
2. novel visible according to claim 1 and thermal infrared imager camera parameter combined calibrating plate, is characterized in that: described heating arrangement adopts Electric heating, and is controlled time and the temperature of described heating arrangement by controller.
3. novel visible according to claim 1 and thermal infrared imager camera parameter combined calibrating plate, it is characterized in that: the heating material flitch of described black adopts semiconductor chilling plate or ceramic infrared radiation electric hot plate to make, described support column has five at least, supports corner and the centre of described reflector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686148.0U CN204301863U (en) | 2014-11-17 | 2014-11-17 | Novel visible and thermal infrared imager camera parameter combined calibrating plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686148.0U CN204301863U (en) | 2014-11-17 | 2014-11-17 | Novel visible and thermal infrared imager camera parameter combined calibrating plate |
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| CN204301863U true CN204301863U (en) | 2015-04-29 |
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| CN201420686148.0U Active CN204301863U (en) | 2014-11-17 | 2014-11-17 | Novel visible and thermal infrared imager camera parameter combined calibrating plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107205146A (en) * | 2016-03-16 | 2017-09-26 | 中航华东光电（上海）有限公司 | Multifunction automatic calibration system and its scaling method |
| RU2692970C2 (en) * | 2017-07-07 | 2019-06-28 | Акционерное общество "Государственный Рязанский приборный завод" | Method of calibration of video sensors of the multispectral system of technical vision |
| CN110298887A (en) * | 2019-05-31 | 2019-10-01 | 中国人民解放军陆军工程大学 | Visible light infrared dual-waveband composite calibration plate |
| WO2019201342A1 (en) * | 2018-04-20 | 2019-10-24 | 深圳市道通科技股份有限公司 | Heating element temperature control method, and night vision system calibrating device and system |
| CN113503975A (en) * | 2021-09-13 | 2021-10-15 | 四川大学 | Calibration plate and infrared temperature measurement mapping calibration method |
-
2014
- 2014-11-17 CN CN201420686148.0U patent/CN204301863U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107205146A (en) * | 2016-03-16 | 2017-09-26 | 中航华东光电（上海）有限公司 | Multifunction automatic calibration system and its scaling method |
| RU2692970C2 (en) * | 2017-07-07 | 2019-06-28 | Акционерное общество "Государственный Рязанский приборный завод" | Method of calibration of video sensors of the multispectral system of technical vision |
| WO2019201342A1 (en) * | 2018-04-20 | 2019-10-24 | 深圳市道通科技股份有限公司 | Heating element temperature control method, and night vision system calibrating device and system |
| US11761818B2 (en) | 2018-04-20 | 2023-09-19 | Autel Intelligent Technology Corp., Ltd. | Temperature control method for heating element, night vision system calibration device and system |
| CN110298887A (en) * | 2019-05-31 | 2019-10-01 | 中国人民解放军陆军工程大学 | Visible light infrared dual-waveband composite calibration plate |
| CN113503975A (en) * | 2021-09-13 | 2021-10-15 | 四川大学 | Calibration plate and infrared temperature measurement mapping calibration method |
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