CN202720381U - Light path fusion apparatus - Google Patents
Light path fusion apparatus Download PDFInfo
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- CN202720381U CN202720381U CN2012203789468U CN201220378946U CN202720381U CN 202720381 U CN202720381 U CN 202720381U CN 2012203789468 U CN2012203789468 U CN 2012203789468U CN 201220378946 U CN201220378946 U CN 201220378946U CN 202720381 U CN202720381 U CN 202720381U
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Abstract
Disclosed in the utility model is a light path fusion apparatus that comprises a reference light path device and a multiplying power adjustment light path device. The reference light path device consists of a first objective lens and a first sensor; and the light of the first wave band passes through the first objective lens and is imaged on the first sensor. The multiplying power adjustment light path device includes a second objective lens, a second sensor and a multiplying power adjusting device; and the light of the second wave band successively passes trough the second objective lens and the multiplying power adjusting device and then is imaged on the second sensor. The multiplying power adjusting device adjusts the light multiplying power of the multiplying power adjustment light path device according to the light multiplying power of the reference light path device. According to the above-mentioned technical scheme provided by the utility model, one channel multiplying power adjustment in the fusion can be realized, thereby ensuring the dual-channel multiplying power consistency. The adjusting process is convenient and rapid and the performances of accuracy and reliability are realized; and a way of multiplying power adjusting by employing later-period image processing is not used, thereby ensuring the real-time performance of the system and the image quality.
Description
Technical field
The utility model relates to a kind of double-light path imaging system, more particularly, relates to and a kind ofly can adjust the conforming optical system of double light path multiplying power in the image co-registration.
Background technology
Image fusion technology refers to obtain by dissimilar sensor the view data of same target and scene, adopts certain algorithm, the information of each sensor passage is combined, and produce the technology of new images.
In the two waveband image co-registration, in order to realize pixel matching, guarantee the two-way image syncretizing effect, need the multiplying power of adjustment double light path consistent.During present two waveband merged, generally all each was comprised of object lens and sensor two passages.As described in Figure 1, in first passage, the light 1 of the first wave band enters the first object lens 2 and is imaged onto first sensor 3 rear outputs; In second channel, the light 4 of the second wave band is exported after being imaged onto the second sensor 6 through the second object lens 5.Although guarantee during two groups of object lens of initial designs that the double light path multiplying power is consistent, because the error of optics processing adjustment causes the multiplying power deviation approximately ± 2%, if lack the multiplying power adjustment link in the light path, will cause syncretizing effect not good.If process the adjustment multiplying power by later image, then can cause the consequences such as real-time is poor, picture quality reduces, resource consumption is large.
In having the two waveband image co-registration of low-light passage, the sensor of low-light level television generally adopts image intensifier light cone coupling surface array charge-coupled device (light cone coupling ICCD), as shown in Figure 2, white light 7(450nm～900nm) enters the cathode plane of image intensifier 9 through low-light object lens 8, image intensifier is with faint optical signal amplification and be imaged onto on the video screen, is imaged onto on the CCD11 by light cone 10 again.The multiplying power of low-light passage is mainly determined by the process and assemble of object lens and light cone, lacks adjustment link.The error of double light path multiplying power finally can affect the syncretizing effect in the image co-registration.
The utility model content
The purpose of this utility model aims to provide a kind of light path fusing device, solves the various deficiencies that exist in the prior art.
According to the utility model, a kind of light path fusing device is provided, comprise reference light path device and multiplying power adjusting light path device.Wherein the reference light path device comprises the first object lens and first sensor, and the light of the first wave band is imaged onto on the first sensor through the first object lens.Multiplying power is regulated light path device and is comprised the second object lens, the second sensor and multiplying power adjusting gear, and the light of the second wave band passes through the multiplying power adjusting gear more first through the second object lens, is imaged onto on the second sensor.The multiplying power adjusting gear is adjusted the light amplification multiplying power that multiplying power is regulated light path device according to the light amplification multiplying power of reference light path device.
According to an embodiment of the present utility model, the multiplying power adjusting gear is for single group single element lens or organize the multi-disc lens more.
According to an embodiment of the present utility model, the second object lens are the white light object lens, and the second sensor is surface array charge-coupled device, and the light of the second wave band is white light.
According to an embodiment of the present utility model, the second object lens are the low-light object lens, and the second sensor is surface array charge-coupled device, and the light of the second wave band is low-light, also comprise image intensifier between low-light object lens and the multiplying power adjusting gear.Low-light passes through first the low-light object lens, is imaged onto on the cathode plane of image intensifier, and image intensifier amplifies low level light signal, through the multiplying power adjusting gear, is imaged onto on the surface array charge-coupled device.
According to an embodiment of the present utility model, the first object lens are infrared objective, and first sensor is the thermal imagery movement, and the light of the first wave band is infrared light.
According to an embodiment of the present utility model, the first object lens are the low-light object lens, and first sensor is surface array charge-coupled device, comprises image intensifier and light cone between low-light object lens and the surface array charge-coupled device, and the light of the first wave band is low-light.Low-light passes through first the low-light object lens, is imaged onto on the cathode plane of image intensifier, and image intensifier amplifies low level light signal, through light cone, is imaged onto on the surface array charge-coupled device.
According to an embodiment of the present utility model, the first object lens are the white light object lens, and first sensor is charge-coupled image sensor, and the light of the first wave band is white light.
Adopted the technical solution of the utility model, a passage multiplying power in can realizing merging is regulated, thereby guarantees that the binary channels multiplying power is consistent.Adjustment process is convenient and swift, accurately and reliably; Do not adopt later image to process and proofread and correct multiplying power, guaranteed system real time and picture quality.
Description of drawings
In the utility model, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is traditional image co-registration bifocal path structure schematic diagram, and multiplying power is non-adjustable;
Fig. 2 is the structural representation of image intensifier light cone coupling surface array charge-coupled device (light cone coupling ICCD);
Fig. 3 is the structural representation of light path fusing device of the present utility model;
Fig. 4 is the integration program schematic diagram of light path fusing device of the present utility model;
Fig. 5 is that the white light multiplying power is adjustable, the scheme of the infrared fusion of white light;
Fig. 6 is that the white light multiplying power is adjustable, the scheme that the white light low-light merges;
Fig. 7 is that the low-light multiplying power is adjustable, the scheme that the low-light white light merges;
Fig. 8 is that the low-light multiplying power is adjustable, the scheme of the infrared fusion of low-light.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
As shown in Figure 3, light path fusing device A0 of the present utility model comprises 2 path channels devices, is respectively that reference light path device A01 and multiplying power are regulated light path device A02.Wherein reference light path device A01 comprises that the light 1 of the first object lens 2 and first sensor 3, the first wave bands is imaged onto on the first sensor 3 through the first object lens 2, and can record accordingly the enlargement ratio of reference light path device A01.Multiplying power is regulated light path device A02 and is comprised the second object lens 5, the second sensor 6, unlike the prior art be, between the second object lens 5 and the second sensor 6, also comprise a multiplying power adjusting gear 12, the light 1 of the second wave band is first through the second object lens 5, pass through again multiplying power adjusting gear 12, be imaged onto at last on the second sensor 6, simultaneously, also can record accordingly the enlargement ratio that multiplying power is regulated light path device A02.The multiplying power adjusting gear is adjusted the light amplification multiplying power that multiplying power is regulated light path device according to the light amplification multiplying power of reference light path device.
In the utility model, multiplying power adjusting gear 12 can be single group single element lens, also can be many group multi-disc lens.If the multiplying power of reference light path device A01 is regulated light path device A02 greater than multiplying power, then can move multiplying power adjusting gear 12 along the direction of the close object lens of optical axis direction, finely tune the second sensor 6 to imaging clearly along optical axis simultaneously.And if the multiplying power of reference light path device A01 is regulated light path device A02 less than multiplying power, then by the reverse mobile multiplying power adjusting gear 12 of above-mentioned steps.So, repeat adjustment, until the binary channels enlargement ratio is consistent, can guarantee that syncretizing effect is good.
In the utility model, the light 1 of the first wave band and the light 4 of the second wave band can be respectively the light of various wavelength, below by several embodiment light path fusing device of the present utility model and running thereof are described, take white light, low-light and infrared light as example, but are not limited in this several light and combination thereof.
As shown in Figure 4,4 following embodiment are divided into 2 classes substantially, and namely can be in harmonious proportion the low-light multiplying power adjustable for the white light multiplying power, and each amalgamation mode has and is divided into 2 kinds, are respectively that the infrared fusion of white light, white light low-light merge, the infrared fusion of low-light and low-light white light merge.
Embodiment 1
Figure 5 shows that the white light multiplying power is adjustable, the scheme of the infrared fusion of white light.
In the present embodiment, the second object lens are that white light object lens 14, the second sensors are surface array charge-coupled device 11(CCD), the light of the second wave band is white light 13, the first object lens are infrared objective 16, and first sensor is that the light of thermal imagery movement 17, the first wave bands is infrared light 15.
Reference light path device A01 is infrared channel, and it is the white light passage that multiplying power is regulated light path device A02.Infrared light 15 enters infrared objective 16 and is imaged onto the 17 rear outputs of thermal imagery movement, can record the enlargement ratio of infrared channel.Take the multiplying power of infrared channel as benchmark, adjust the multiplying power of white light passages by multiplying power adjusting gear 12, finally reach the binary channels multiplying power consistent.
Figure 6 shows that the white light multiplying power is adjustable, the scheme that the white light low-light merges.
In the present embodiment, the second object lens are white light object lens 14, and first sensor, the second sensor are surface array charge-coupled device 11(CCD), the light of the second wave band is that white light 13, the first object lens are the low-light object lens, the light of the first wave band is low-light 7.
Low-light object lens 8, image intensifier 9, light cone 10, surface array charge-coupled device 11 set gradually.Low-light 7 passes through first low-light object lens 8, is imaged onto on the cathode plane of image intensifier 9, and image intensifier 9 amplifies low-light 7 signals, through light cone 10, is imaged onto on the surface array charge-coupled device 11.Take the multiplying power of low-light passage as benchmark, adjust the multiplying power of white light passages by multiplying power adjusting gear 12, reach the binary channels multiplying power consistent.
Figure 7 shows that the low-light multiplying power is adjustable, the scheme that the low-light white light merges.
In the present embodiment, it is the low-light passage that multiplying power is regulated light path device A02, low-light 7 is imaged onto on the cathode plane of image intensifier 9 through low-light object lens 8, image intensifier 9 is imaged on the video screen after low-light 7 signals are strengthened amplification, image is imaged onto on the CCD11 through multiplying power adjusting gear 12 again, obtains low-light passage enlargement ratio by detecting.Take the multiplying power of reference light path device A01 as benchmark, adjust the multiplying power that multiplying power is regulated light path device A02.Multiplying power adjusting gear 12 moves along optical axis, and CCD11 also finely tunes to clear picture along optical axis simultaneously.Repeat adjustment, until the binary channels enlargement ratio is consistent.
Embodiment 4
Figure 8 shows that the low-light multiplying power is adjustable, the scheme of the infrared fusion of low-light.
In the present embodiment, reference light path device A01 is infrared channel, and infrared light 15 enters infrared objective 16 and is imaged onto the 17 rear outputs of thermal imagery movement, can record the enlargement ratio of infrared channel.Identical with embodiment 3, take the multiplying power of reference light path device A01 as benchmark, adjust the multiplying power that multiplying power is regulated light path device A02.Multiplying power adjusting gear 12 moves along optical axis, and CCD11 also finely tunes to clear picture along optical axis simultaneously.Repeat adjustment, until the binary channels enlargement ratio is consistent.
Sum up above-mentioned multiple embodiments, because mainly being the focus error by two kinds of object lens, double light path multiplying power difference causes, in initial designs, guarantee two objective focal lengths coupling, but because optics processing adjustment error causes the objective focal length deviation approximately ± 1%, can cause two light path magnification errors approximately ± 2%.Therefore, light path fusing device A0 of the present utility model proposes following light path fusion method:
At first, at reference light path the first object lens and first sensor are set, receive the light of the first wave band, and the light of the first wave band is imaged onto on the first sensor through the first object lens.
Secondly, regulate light path in multiplying power the second object lens, the second sensor and multiplying power adjusting gear be set, receive the light of the second wave band, and with the light of the second wave band first through the second object lens, pass through again the multiplying power adjusting gear, be imaged onto on the second sensor.
At last, according to the light amplification multiplying power of reference light path, adjust the light amplification multiplying power that multiplying power is regulated light path, the multiplying power that makes reference light path and multiplying power regulate light path is consistent.
When regulating, take the multiplying power of reference light path as benchmark, regulate multiplying power and regulate light path and guarantee that multiplying power is consistent.The enlargement ratio that multiplying power is regulated light path equals the enlargement ratio of the second object lens and the product of multiplying power adjustment group enlargement ratio, and wherein the multiplying power of the second object lens is determined by process and assemble, and adjustable is the enlargement ratio of multiplying power adjustment group.Regulate the multiplying power adjustment group that multiplying power is regulated light path along optical axis direction, simultaneously fine setting passes the second sensor and makes imaging clearly, and the realization multiplying power is regulated the adjustment of light path multiplying power, finally reaches the binary channels multiplying power consistent.
Those of ordinary skill in the art will be appreciated that, above instructions only is one or more embodiments among the numerous embodiment of the utility model, and is not to use restriction of the present utility model.Any for the above embodiment equalization variation, modification and be equal to the technical schemes such as alternative, as long as meet connotation scope of the present utility model, all will drop in the scope that claims of the present utility model protect.
Claims (8)
1. a light path fusing device comprises reference light path device and multiplying power adjusting light path device, it is characterized in that:
Described reference light path device comprises the first object lens and first sensor, and the light of the first wave band is imaged onto on the described first sensor through described the first object lens;
Described multiplying power is regulated light path device and is comprised the second object lens, the second sensor and multiplying power adjusting gear, and the light of the second wave band passes through first described the second object lens, passes through described multiplying power adjusting gear again, is imaged onto on described the second sensor;
Described multiplying power adjusting gear is adjusted the light amplification multiplying power that described multiplying power is regulated light path device according to the light amplification multiplying power of described reference light path device.
2. light path fusing device as claimed in claim 1 is characterized in that:
Described multiplying power adjusting gear is for single group single element lens or organize the multi-disc lens more.
3. light path fusing device as claimed in claim 1 is characterized in that:
Described the second object lens are the white light object lens, and described the second sensor is surface array charge-coupled device, and the light of described the second wave band is white light.
4. light path fusing device as claimed in claim 1 is characterized in that:
Described the second object lens are the low-light object lens, and described the second sensor is surface array charge-coupled device, and the light of described the second wave band is low-light, also comprise image intensifier between described low-light object lens and the described multiplying power adjusting gear;
Described low-light passes through first described low-light object lens, is imaged onto on the cathode plane of described image intensifier, and described image intensifier amplifies described low level light signal, through described multiplying power adjusting gear, is imaged onto on the described surface array charge-coupled device.
5. light path fusing device as claimed in claim 3 is characterized in that:
Described the first object lens are infrared objective, and described first sensor is the thermal imagery movement, and the light of described the first wave band is infrared light.
6. light path fusing device as claimed in claim 3 is characterized in that:
Described the first object lens are the low-light object lens, and described first sensor is surface array charge-coupled device, comprise image intensifier and light cone between described low-light object lens and the described surface array charge-coupled device, and the light of described the first wave band is low-light;
Described low-light passes through first described low-light object lens, is imaged onto on the cathode plane of described image intensifier, and described image intensifier amplifies described low level light signal, through described light cone, is imaged onto on the described surface array charge-coupled device.
7. light path fusing device as claimed in claim 4 is characterized in that:
Described the first object lens are the white light object lens, and described first sensor is charge-coupled image sensor, and the light of described the first wave band is white light.
8. light path fusing device as claimed in claim 4 is characterized in that:
Described the first object lens are infrared objective, and described first sensor is the thermal imagery movement, and the light of described the first wave band is infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203789468U CN202720381U (en) | 2012-08-01 | 2012-08-01 | Light path fusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203789468U CN202720381U (en) | 2012-08-01 | 2012-08-01 | Light path fusion apparatus |
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| CN202720381U true CN202720381U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203789468U Withdrawn - After Issue CN202720381U (en) | 2012-08-01 | 2012-08-01 | Light path fusion apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768398A (en) * | 2012-08-01 | 2012-11-07 | 江苏北方湖光光电有限公司 | Optical path fusion device and method thereof |
| CN106199925A (en) * | 2016-09-14 | 2016-12-07 | 昆明物理研究所 | Low-light infrared optics image co-registration doublet optical texture |
| CN106291905A (en) * | 2015-05-11 | 2017-01-04 | 云南北方光电仪器有限公司 | A kind of infrared front end registration apparatus with LLL image fusion |
-
2012
- 2012-08-01 CN CN2012203789468U patent/CN202720381U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102768398A (en) * | 2012-08-01 | 2012-11-07 | 江苏北方湖光光电有限公司 | Optical path fusion device and method thereof |
| CN102768398B (en) * | 2012-08-01 | 2016-08-03 | 江苏北方湖光光电有限公司 | Optical path fusion device and method thereof |
| CN106291905A (en) * | 2015-05-11 | 2017-01-04 | 云南北方光电仪器有限公司 | A kind of infrared front end registration apparatus with LLL image fusion |
| CN106199925A (en) * | 2016-09-14 | 2016-12-07 | 昆明物理研究所 | Low-light infrared optics image co-registration doublet optical texture |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20160803 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |